piping design engineer

Worley

<div>About us
Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.
Responsibilities:
<ul><li>Champion the Project Safety culture, behaviors and engagement activities.
</li><li>Identifying, evaluating, and resolving Piping Engineering issues.
</li><li>Review and approve within the specified approval durations, the Contractor key deliverables and other works within the Mechanical (Piping) discipline, ensuring compliance with Mechanical (Piping)design requirements and the Licensors&rsquo; PDP&rsquo;s, which involves the interpretation and review of calculations, specifications, plans, investigations, surveys, structures, system or equipment with relatively few complex features.
</li><li>Review and approve the following Contractor&rsquo;s deliverables:
<ul><li>Equipment design and development.
</li><li>System design, including concept sketches and layouts.
</li><li>Testing of materials.
</li><li>Specifications and design calculations.
</li><li>Designs, drawings and data by other Contractors&rsquo; or by Vendors.
</li><li>Engineering studies and reports.
</li><li>Material Requisitions for equipment &amp; materials
</li><li>Material quantity estimates.
</li></ul></li><li>Review and approve key design documents from Vendors, equipment manufacturers or Subcontractors and prepare comments and recommendations incorporating any comments received from the Owner.
</li><li>Attend technical meeting with Owner, Licensor, Contractor and Vendors.
</li><li>Attend all Project technical sessions by the Contractor such as: Design Review Meetings, 3D Model Review Meeting, Constructability, SIL, EIA, HAZOP and HAZID etc.
</li><li>Ensure quality and accuracy of EPC Contractor&rsquo;s Mechanical (Piping) Engineering design activities, system integration, and design selection.
</li><li>Supervise and manage the review and approval of Contractor&rsquo;s work, ensuring compliance with Owner and Project specifications, relevant codes and standards, and industry best practices.
</li><li>Coordinate the required Engineering participation in the development and analysis of various design options and business models.
</li><li>Contribute input and expertise in the development and analysis of various design options and business models to ensure design optimization and validation for the Owner.
</li><li>Coordinate the technical guidance required to develop new specifications and update existing specifications in line with Owner requirements.
</li><li>Coordinate other discipline Engineer&rsquo;s participation in layout reviews, design reviews, and technical workshops.
</li><li>Influence Facilities and Equipment design optimization.
</li><li>Provide technical assistance and coordination with other discipline Engineers.
</li><li>Coordinate technical reviews and analysis during vendor prequalification, bid evaluation, and performance evaluation.
</li><li>Coordinate the review of technical bid submissions and perform technical bid analysis.
</li></ul>Qualifications and Experience:
<ul><li>A bachelor&rsquo;s degree in relevant engineering (including but not limited to Mechanical, Electrical, Civil, Environmental, Chemical, Computer, Software, Electronic, Marine, Ship Captain, etc.) or equivalent from an accredited university with a minimum of fifteen (15+) years of relevant experience in the Oil &amp; Gas or Petrochemical industry, Petrochemical.
</li><li>Must have at least five (5) years of experience in similar position in a mega Oil &amp; Gas or Petrochemical projects.
</li><li>PMC &amp; ADNOC experiences are preferrable.
</li><li>Gas Processing experience in FEED &amp; EPC Phases.
</li></ul>Moving forward together
We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.
And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.
<div>And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.</div></div>

Specialist Piping Engineer

Rejlers Sverige AB

<div><div><div><div>Rejlers International Engineering Solutions is recognized for delivering reliable engineering and project services. With over 15 years in Abu Dhabi, UAE, our regional headquarters are based in Abu Dhabi City, and we also have an office in Navi Mumbai, India, supporting diverse operations throughout the area. We specialize in industries such as Oil &amp; Gas, Refining, Petrochemical, Chemical, Renewable Energy, and Industrial Infrastructure&mdash;including Buildings, Power Distribution, and Telecommunications&mdash;serving clients across the UAE and Arabian Gulf.
Our expertise in Industrial Digitization and AI solutions demonstrates our dedication to technological innovation and excellence. Backed by a parent company with over 80 years of engineering experience, we proudly bring Nordic engineering traditions to the region, combining advanced technology with a legacy of quality and reliability.
We are now looking for Lead Engineer &ndash; Rotating and Packages with extensive experience in refinery and onshore / offshore oil and gas projects to join our Abu Dhabi Operations, UAE.
The Lead Engineer &ndash; Rotating and Packages reports to Head of Discipline &ndash; Mechanical &amp; Piping.
Job Overview
The Lead Engineer is responsible for leading the design, engineering, review, and technical assurance of all static equipment activities for ADNOC and EPC projects. The role ensures that engineering deliverables comply with ADNOC standards, international codes, project specifications, safety requirements, and quality objectives throughout the project lifecycle, including Conceptual, FEED, Detailed Engineering, EPC, Commissioning, and Start-up phases.
The position provides technical leadership and guidance to a team of engineers and designers, ensuring safe, reliable, cost-effective, and operable designs for oil &amp; gas, petrochemical, refinery, and energy projects.
Key Responsibilities
<ul><li>Lead engineering activities for rotating equipment packages including:
<ul><li>Centrifugal compressors
</li><li>Reciprocating compressors
</li><li>Gas turbines
</li><li>Steam turbines
</li><li>Pumps (API and NFPA)
</li><li>Blowers
</li><li>Fans
</li><li>Diesel engines
</li><li>Package
</li></ul></li><li>Review and approve:
<ul><li>Datasheets
</li><li>Specifications
</li><li>Vendor documents
</li><li>GA drawings
</li><li>P&amp;IDs
</li><li>Calculations
</li><li>Material requisitions
</li></ul></li><li>Ensure compliance with:
<ul><li>ADNOC standards
</li><li>API standards
</li><li>ASME codes
</li><li>ISO requirements
</li><li>Project specifications
</li></ul></li><li>Perform technical bid evaluations and vendor offer reviews.
</li><li>Coordinate with:
<ul><li>Mechanical
</li><li>Process
</li><li>Electrical
</li><li>Instrumentation
</li><li>Pipeline
</li><li>Civil departments
</li></ul></li><li>Participate in:
<ul><li>HAZOP
</li><li>SIL reviews
</li><li>Design reviews
</li><li>FAT/SAT
</li><li>Performance testing
</li></ul></li><li>Provide site engineering support during:
<ul><li>Installation
</li><li>Alignment
</li><li>Pre-commissioning
</li><li>Commissioning
</li><li>Startup
</li></ul></li><li>Troubleshoot vibration, seal failures, bearing issues, and operational problems.
</li><li>Support reliability improvement and root cause failure analysis (RCFA).
</li><li>Ensure timely project execution and engineering deliverables.
</li></ul>Required Qualifications
<ul><li>Bachelor&rsquo;s Degree in Mechanical Engineering.
</li><li>15+ years of rotating equipment engineering experience in Oil &amp; Gas.
</li><li>Minimum 5+ years in ADNOC projects or ADNOC group companies.
</li><li>ADNOC approval preferred/mandatory.
</li><li>Strong knowledge of:
<ul><li>API 610
</li><li>API 617
</li><li>API 618
</li><li>API 614
</li><li>API 682
</li><li>ISO 10439
</li><li>AGPS
</li></ul></li><li>Experience with EPC contractors and PMC environments.
</li><li>Familiarity with:
<ul><li>ETAP
</li><li>Bentley
</li><li>AVEVA
</li><li>SAP
</li><li>MS Office
</li></ul></li></ul>Our work is guided by our vision: Home of the learning minds. We believe in continuous learning and development. We want to succeed both as individuals and as a company through a common goal: success through continuous learning.
Do you want to join us?
Please apply at once as we proceed with suitable candidates as soon as possible. Submit your application, CV, and salary expectation latest by 30 September 2026.
</div></div></div><div><div><div><div><div><div><div>Details
</div><div><div><ul><li>Department Abu Dhabi</li>
<li>Location Abu Dhabi</li>
<li>Last date of apply 30.9.2026</li></ul></div></div></div></div></div></div></div></div></div><div></div>

Lead Engineer – Rotating and Packages

<div>About us
Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.
Key Responsibilities
<ul><li>Lead and manage all materials engineering activities during FEED, EPC, and detailed engineering phases of the project.
</li><li>Develop and implement materials selection strategies for process facilities, pipelines, piping systems, static equipment, and offshore structures, ensuring safe, reliable, and cost-effective operation.
</li><li>Prepare, review, and approve material selection reports, corrosion studies, material specifications, piping class specifications, and technical requisitions.
</li><li>Perform materials selection and corrosion assessments considering process conditions, operating environments, and project design life requirements.
</li><li>Ensure compliance with ADNOC standards, project specifications, and applicable international codes and standards such as NACE, ASME, ASTM, API, and ISO.
</li><li>Provide technical expertise in corrosion control, coating systems, cathodic protection interfaces, metallurgy, welding requirements, and non-metallic materials applications.
</li><li>Review vendor documentation, technical bid evaluations, and material compliance documentation to ensure alignment with project requirements.
</li><li>Support HAZOP, HAZID, constructability reviews, value engineering studies, and design optimization initiatives.
</li><li>Coordinate closely with Process, Mechanical, Piping, Civil, Inspection, and Procurement disciplines to ensure appropriate material selection and specification.
</li><li>Participate in technical meetings with clients, vendors, contractors, and stakeholders to resolve material-related issues.
</li><li>Monitor engineering deliverables and ensure activities are completed in accordance with project schedules, quality standards, and HSE requirements.
</li><li>Lead, mentor, and supervise a team of Specialists, Senior Engineers, and Engineers to ensure technical excellence and effective project delivery. 
</li></ul><ul><li>Bachelor&rsquo;s degree in relevant engineering discipline or equivalent, from an accredited university; or a minimum of fifteen (15) years of relevant experience in the Oil &amp; Gas or Petrochemical industry.
</li><li>Must have at least five (5) years of experience in a similar position on mega Oil &amp; Gas or Petrochemical projects.
</li><li>ADNOC &amp; Offshore project experience is required.
</li><li>PMC experience is required.
</li><li>Experience in FEED &amp; EPC Phases is required.
</li><li>ADNOC &amp; Offshore project experience is required.
</li><li>PMC experiences are preferrable.
</li><li>Experience in FEED &amp; EPC Phases is required.
</li><li>Strong knowledge of material selection, corrosion engineering, metallurgy, coatings, and international standards including NACE, ASME, ASTM, API, and ISO requirements.
</li><li>Experience in preparing Material Selection Diagrams (MSDs), Corrosion Control Documents (CCDs), and material specifications for offshore and onshore facilities.
</li><li>Excellent leadership, communication, and stakeholder management skills.
</li>Ability to work effectively within multidisciplinary and multicultural project environments. 
<li>
 
</li></ul>Moving forward together
We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.
And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.
<div>And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.</div></div>

Specialist Material & Corrosion Engineer

Excelerate Energy LP

<div>Excelerate Energy is helping countries around the world enhance energy security through reliable LNG and power infrastructure solutions. We strive to deliver sustainable results by doing what we promise and investing in our people, assets, and technology while promoting a culture of safety, quality, and environmental stewardship. We believe our people are our greatest asset and are committed to fostering a culture of safety, collaboration, and continuous growth. Together, we work to expand access to reliable energy for communities around the world. 
 
JOB SUMMARY: The Senior Engineer helps support Excelerate&rsquo;s current and future global projects as part of the infrastructure team. The Senior Engineer will work closely with other individuals in the Infrastructure, Operations, and Commercial teams. This position will support the development and implementation of new projects and support the engineering needs of Company&rsquo;s existing assets.
ESSENTIAL DUTIES AND RESPONSIBILITIES: include but are not limited to the following activities:
<ul><li>Ensure safety is paramount in all aspects of work. planning/execution and the Excelerate Core Values are applied to daily routines.
</li><li>Ability to manage infrastructure projects with the following expectations:
<ul><li>Experienced in gas transmission, pipeline (onshore and offshore) design, and LNG loading terminal infrastructure design.
</li><li>Familiarity with Stage Gate Project Development Processes.
</li><li>Strong Front End design experience from feasibility to FEED stages. Working within the project team on onshore/offshore feasibility, conceptual, pre-FEED, FEED, detailed design, and EPC phase of the project.
</li><li>Preparation of technical scopes of work for site investigation programs such as design of pipelines, mooring terminals.
</li><li>Preparation of technical scopes of work for Pre-feasibility and feasibility studies such as high level conceptual designs, cost estimates, schedule, and risks for the purpose of screening, concept selection and definition and detailed designs including onshore pipelines, offshore gas export systems and terminals.
</li><li>Be able to perform project management duties, including management of external contractors and vendors, while working with internal resources to define project scope, schedule, and budget.
</li><li>Provide analysis, reports, and review of contractual requirements regarding project controls and its scheduling.
</li><li>Effectively oversee and perform detailed review of relevant submittals by Company&rsquo;s consultants. Ensure that all deliverables have been prepared to the full requirements of relevant agreements.
</li><li>Ensure designs and analyses are performed in compliance with the established latest design rules and standards.
</li><li>Overall responsibility for the scheduling and monitoring the quality of the work procedure for subcontracted work.
</li><li>Provides support to or directly overseas fabrications, fit test, and / or system integration testing of installation aids and construction /equipment.
</li><li>Effectively manage interfaces between internal and external parties to ensure full alignment and a detailed and complete understanding of all projects needs and requirements.
</li></ul></li></ul><ul><li>Support Permitting team in development of necessary environmental and permitting documentations.
</li><li>Participate in activities pertinent to project risk analysis, evaluation, remediation, and integration of data.
</li><li>Ensuring the project&rsquo;s compliance with the applicable codes, practices, policies, performance standards, and specifications.
</li></ul>QUALIFICATIONS, EXPERIENCE, AND EDUCATIONAL REQUIREMENTS:
<ul><li>Bachelor&rsquo;s Degree in Civil, Ocean Engineering, or Mechanical Engineering.
</li><li>Minimum 5 years of experience in design, project engineering, and construction in marine or offshore industries.
</li><li>Must have exceptional verbal and written communication skills as well as computer proficiency including MS Office Suite, and use of scheduling programs such as MS Project or Primavera.
</li><li>Hands-on experience using AutoCAD and other engineering design software for developing and reviewing technical drawings, layouts, and schematics, including Piping &amp; Instrumentation Diagrams (P&amp;IDs), General Arrangement (GA) drawings, and related engineering documentation.
</li><li>Ability to work under pressure and coordinate numerous activities and groups of people who need to cooperate to achieve maximum efficiency.
</li><li>Proven strengths in diverse and multi-cultural environments. Must have the ability to adapt, to establish and maintain strong relationships internally and externally.
</li><li>Completes assigned work within the allocated schedule and budget while maintaining company quality and safety standards
</li><li>Strong planning, organizational and time management skills.
</li><li>Fluency in Arabic language (written and spoken) preferred.
</li><li>Previous LNG and or FSRU project experience preferred.
</li></ul>TRAVEL: Up to 20%
WORK ENVIRONMENT:
The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job.
The noise level in the work environment is usually moderate.
PHYSICAL DEMANDS: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this Job, the employee is regularly required to talk or hear. The employee is frequently required to sit. The employee is occasionally required to stand; walk and reach with hands and arms. The employee must occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and ability to adjust focus.
WORK AUTHORIZATION: Candidates must be legally authorized to work in the country where the position is based.
AFFIRMATIVE ACTION/EEO STATEMENT:
It is the policy of Excelerate Energy to provide equal employment opportunities without regard to race, color, religion, sex, national origin, age, disability, marital status, veteran status, sexual orientation, genetic information, or any other protected characteristic under applicable law.
Excelerate Energy is committed to providing reasonable accommodations to qualified individuals with disabilities and disabled veterans in our job application procedures and employment processes. If you need an accommodation to apply for a role or to perform essential job functions, please contact Human Resources at hr@excelerateenergy.com. Requests for accommodation will be considered on a case-by-case basis consistent with applicable laws</div>

Sr. Engineer, Infrastructure Projects

<div>About us
Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.
Job Purpose
The Specialist Structural Engineer will provide specialist-level technical expertise and engineering support for Civil and Structural engineering activities on ADNOC Offshore projects during the FEED, EPC, fabrication, construction, installation, and commissioning phases. The role is responsible for reviewing EPC Contractor deliverables, ensuring compliance with ADNOC specifications, international codes, project requirements, quality standards, and HSE regulations while supporting successful project execution.
Key Responsibilities
<ul><li>Provide specialist Civil and Structural engineering support throughout FEED, Detailed Engineering, Procurement, Construction, Installation, and Commissioning phases.
</li><li>Review and approve EPC Contractor Civil and Structural engineering deliverables, including calculations, drawings, specifications, material requisitions, and technical reports.
</li><li>Review structural analysis and design for offshore facilities including jackets, topsides, decks, bridges, modules, pipe racks, equipment foundations, and support structures.
</li><li>Ensure compliance with ADNOC standards, project specifications, international codes, and engineering best practices.
</li><li>Participate in design reviews, HAZID, HAZOP, constructability reviews, model reviews, and technical workshops.
</li><li>Review structural load calculations, foundation design, fatigue assessments, transportation, lifting, and installation analyses.
</li><li>Coordinate with multidisciplinary engineering teams including Process, Mechanical, Piping, Electrical, Instrumentation, Pipeline, Marine, Geotechnical, and Construction disciplines.
</li><li>Support procurement activities through technical bid evaluations, vendor document reviews, and material approvals.
</li><li>Review fabrication, transportation, offshore installation, and commissioning methodologies.
</li><li>Identify technical risks and provide practical engineering solutions to ensure safe and cost-effective project execution.
</li><li>Provide technical support during site visits, fabrication yards, offshore construction, and commissioning activities when required.
</li><li>Monitor engineering progress and ensure timely resolution of technical queries (TQs), site queries (SQs), and engineering change requests.
</li><li>Ensure engineering deliverables are completed in accordance with project schedule, quality requirements, and HSE objectives.
</li><li>Mentor junior engineers and provide technical guidance within the Civil/Structural discipline.
</li></ul>Minimum Qualifications &amp;Experience
<ul><li>Bachelor&rsquo;s degree in relevant engineering discipline or equivalent, from an accredited university; or a minimum of fifteen (15) years of relevant experience in the Oil &amp; Gas or Petrochemical industry.
</li><li>Must have at least five (5) years of experience in a similar position on mega Oil &amp; Gas or Petrochemical projects.
</li><li>ADNOC &amp; Offshore project experience is required.
</li><li>PMC experiences are preferrable.
</li><li>Proven experience in FEED and EPC phases of large Offshore projects us required
</li><li>ADNOC Offshore PMC project experience is required
</li><li>5+ yearsGCC project experience is preferred
</li></ul>Technical Competencies
<ul><li>Strong knowledge of offshore structural engineering principles.
</li><li>Experience in structural design of jackets, topsides, decks, modules, equipment foundations, pipe racks, and steel structures.
</li><li>Knowledge of offshore transportation, lifting, installation, fatigue, seismic, blast, and accidental load analysis.
</li><li>Familiarity with international standards including:
<ul><li>ADNOC Standards
</li><li>API
</li><li>DNV
</li><li>ISO 19902
</li><li>AISC
</li><li>Eurocodes
</li><li>BS Standards
</li></ul></li><li>Experience using structural engineering software such as:
<ul><li>SACS
</li><li>STAAD.Pro
</li><li>SESAM
</li><li>ANSYS
</li><li>AutoCAD
</li><li>Navisworks
</li><li>MS Office
</li></ul></li></ul>Key Skills
<ul><li>Strong technical and analytical capability.
</li><li>Excellent engineering judgement and problem-solving skills.
</li><li>Effective communication and stakeholder management.
</li><li>Experience working within PMC environments.
</li><li>Ability to manage multiple priorities and coordinate across multidisciplinary teams.
</li><li>Strong understanding of project execution, quality assurance, HSE requirements, and risk management.
</li><li>Ability to work effectively with clients, EPC Contractors, vendors, and construction teams.
</li></ul>Preferred Experience
<ul><li>ADNOC Offshore Brownfield and Greenfield projects.
</li><li>Offshore platforms, Wellhead Towers, Jackets, Topside facilities, Bridges, and Modular Structures.
</li><li>Experience supporting offshore fabrication yards, hook-up, commissioning, and offshore installation activities.
</li>Familiarity with ADNOC Engineering Standards (AES), Specifications, and Project Management Systems. 
<li>
 
</li></ul>Moving forward together 
 
We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.
And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.
<div>And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.</div></div>

Specialist Structural Engineer

<div>Role description 
UST Tittle: Lead I - Software Engineering

Who we are:

At UST, we help the world&rsquo;s best organizations grow and succeed through transformation. Bringing together the right talent, tools, and ideas, we work with our client to co-create lasting change. Together, with over 30,000 employees in 30+ countries, we build for boundless impact&mdash;touching billions of lives in the process. Visit us at .

Summary:

UST is looking for Sr. Lead Backend Developer

The Opportunity:
<ul>
<li>We are looking for a hands-on Backend Developer Lead to own the API and service layer of a large-scale geospatial platform built on Next.js, tRPC and PostgreSQL/PostGIS, running on Google Cloud Run.</li>
<li>This is a modular monolith, not a microservices estate &mdash; a documented route manager engine repository architecture, wired with Inversify dependency injection, across 11 PostgreSQL schemas and 69 data models.</li>
<li>The role demands genuine depth: you will complete an unfinished authorisation refactor, finish a streaming-export programme, resolve a dual-ORM strategy, and clear a significant security remediation backlog &mdash; all in a 65,000-line codebase with only 9 test files.</li>
<li>The ideal candidate is a strong backend engineer who is comfortable owning technical design and leading a team while remaining predominantly hands-on.</li>
</ul>
Key Responsibilities:
<ul>
<li>Lead the hands-on design and development of the API and service layer using TypeScript, Next.js, tRPC 11 and Zod. Own 17 tRPC routers and 17 REST route handlers, and the layered architecture behind them &mdash; managers, engines and repositories wired with Inversify.</li>
<li>Complete the unified authorisation refactor currently unfinished across open merge requests &mdash; make server-side authorisation authoritative and treat UI checks as convenience only.</li>
<li>Own PostgreSQL 16 + PostGIS 3.5 across 11 schemas &mdash; schema design, indexing, query plans, and transaction boundaries.</li>
<li>Resolve the dual-ORM strategy: Prisma owns 128 migrations, Drizzle owns 11, both targeting the same database.</li>
<li>Publish and enforce an ownership map per bounded context.</li>
<li>Own the import pipeline &mdash; 14 import.* staging tables converted into live schemas under transaction, including plan survey, personal plan and plan spend imports.</li>
<li>Complete the streaming CSV export programme across five bulk export routes, preserving correct backpressure (ReadableStream with pull()) and cursor-based pagination &mdash; no loading whole datasets into memory.</li>
<li>Clear the security remediation backlog &mdash; 182 findings including 15 critical and 49 high &mdash; covering dependency advisories, an SSRF in application code, and secret rotation.</li>
<li>Own authentication and session via NextAuth 4 and Okta/OIDC, including permission utilities and organisation/group scoping.</li>
<li>Integrate Google Cloud services &mdash; Cloud Storage across 8 buckets, Cloud Run, Cloud SQL, Secret Manager, and GCP logging.</li>
<li>Establish backend test coverage where almost none exists &mdash; a database-backed integration harness, plus unit tests on permissions, geometry, subscriptions and export engines.</li>
<li>Set and enforce backend engineering standards: coding conventions, code review, testing, and documentation.</li>
<li>Champion the effective use of AI-assisted development tools (GitHub Copilot, Claude, ChatGPT) to accelerate delivery and raise code quality.</li>
<li>Own backend non-functional quality: performance, scalability, resilience, observability, and security.</li>
<li>Identify and pay down technical debt across oversized routers (organization-router.ts 1,102 lines, plan-router.ts 994, import-router.ts 815).</li>
<li>Collaborate with Frontend, Architecture, QA and DevOps to deliver business outcomes. Mentor backend engineers and support technical growth.</li>
</ul>
Required Skills &amp; Experience
<ul>
<li>Bachelor's degree in Computer Science, Engineering, or a related field.</li>
<li>8+ years of backend software development experience, including 2+ years leading a team or squad technically.</li>
<li>Deep expertise in TypeScript and Node.js in production.</li>
<li>Strong experience with tRPC or a comparable typed RPC layer &mdash; routers, procedures, middleware, and the typed client/server contract.</li>
<li>Strong experience with Next.js server-side &mdash; route handlers, App Router API design, instrumentation.ts, and standalone output.</li>
<li>Zod or equivalent runtime validation at the API boundary.
</li><li>Deep PostgreSQL &mdash; schema design, indexing strategy, query plans, and transaction isolation.</li>
<li>You should read EXPLAIN ANALYZE comfortably.</li>
<li>Experience with multi-schema PostgreSQL &mdash; search paths, cross-schema foreign keys, and permissions.</li>
<li>Strong ORM experience &mdash; Prisma and/or Drizzle &mdash; including migration strategy and the judgement to run two ORMs safely side by side.</li>
<li>Node streams / Web Streams &mdash; genuine understanding of backpressure, not just piping.</li>
<li>Dependency injection in a JavaScript/TypeScript runtime &mdash; Inversify or equivalent &mdash; including lifecycle and scoping in a serverless runtime.</li>
<li>Layered architecture discipline: thin routes, orchestrating managers, domain engines, persistence-only repositories.</li>
<li>Authentication and authorisation at implementation level &mdash; OAuth2/OIDC, JWT, session management, and permission modelling.</li>
<li>Application security fundamentals &mdash; OWASP Top 10, SSRF defence, secrets management, dependency advisory remediation.</li>
<li>Testing with Vitest, including database-backed integration testing.</li>
<li>Practical, day-to-day use of AI-assisted engineering tools (GitHub Copilot, Claude, ChatGPT or similar).</li>
<li>Experience working in Agile/Scrum environments.</li>
</ul>
Preferred Qualifications
<ul>
<li>PostGIS in production &mdash; geometry types, spatial indexes, SRID handling, and validity.</li>
<li>Coordinate reference systems and reprojection (proj4, ST_Transform) &mdash; this product handles EPSG:27700, 29901 and 23030. Google Cloud Platform &mdash; Cloud Run, Cloud SQL, Cloud Storage, Secret Manager, Artifact Registry.
</li><li>NextAuth 4 with an enterprise OIDC provider (Okta).
</li><li>Streaming exports at scale (100k+ rows) and cursor-based pagination. Queue-driven worker extraction &mdash; Pub/Sub, Cloud Tasks, or Cloud Run jobs.</li>
<li>Experience running a release-candidate dependency in production, and a view on the risk (this codebase runs tRPC 11.0.0-rc.593).</li>
<li>Server-side document generation &mdash; pdfmake, Playwright, svgdom. pgAudit, Cloud SQL Auth Proxy, IAM database authentication. GitLab CI/CD and Docker multi-stage builds.</li>
<li>Experience improving a codebase with a very thin test suite without stopping delivery.</li>
<li>Leadership Competencies Strong hands-on technical leadership, leading by example within the codebase.</li>
<li>Ability to make pragmatic technical decisions, justify trade-offs clearly, and disagree constructively.</li>
<li>Proven ability to mentor and coach backend engineers.</li>
<li>Excellent communication skills, including explaining data and security constraints to non-technical stakeholders.</li>
<li>Strong ownership mindset &mdash; sees features through from design to production support.</li>
<li>Sound judgement in balancing delivery pace against engineering quality and technical debt.</li>
<li>Customer-focused mindset with a commitment to delivering business value.</li>
</ul>
What we believe:

We&rsquo;re proud to embrace the same values that have shaped UST since the beginning. Since day one, we&rsquo;ve been building enduring relationships and a culture of integrity. And today, it's those same values that are inspiring us to encourage innovation from everyone, to champion diversity and inclusion and to place people at the centre of everything we do.
Humility:

We will listen, learn, be empathetic and help selflessly in our interactions with everyone.

Humanity:

Through business, we will better the lives of those less fortunate than ourselves.

Integrity:

We honour our commitments and act with responsibility in all our relationships.

Equal Employment Opportunity Statement

UST is an Equal Opportunity Employer. We believe that no one should be discriminated against because of their differences, such as age, disability, ethnicity, gender, gender identity and expression, religion, or sexual orientation.

All employment decisions shall be made without regard to age, race, creed, colour, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law. 
UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.

&bull; To support and promote the values of UST.
<ul><li>Comply with all Company policies and procedures</li></ul> 
Skills 
Next.js, Node.js, REST, SQL 
About UST 
UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world&rsquo;s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients&rsquo; organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact&mdash;touching billions of lives in the process.</div>

Sr. Lead Backend Developer

<div>About us
Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.
Key Responsibilities
<ul><li>Lead and manage all static equipment engineering activities during FEED, EPC, and detailed engineering phases of the project.
</li><li>Provide technical leadership for the design, specification, and procurement of static equipment, including pressure vessels, columns, heat exchangers, tanks, separators, filters, reactors, and package equipment.
</li><li>Develop and review equipment datasheets, specifications, material requisitions, technical bid evaluations, and vendor documentation.
</li><li>Ensure compliance with ADNOC standards, project specifications, and applicable international codes and standards such as ASME, API, TEMA, and ASTM.
</li><li>Coordinate with Process, Piping, Mechanical, Civil, Electrical, Instrumentation, and Procurement disciplines to ensure effective integration of static equipment requirements.
</li><li>Review and approve vendor drawings, calculations, manufacturing procedures, and inspection requirements.
</li><li>Support constructability reviews, value engineering studies, and cost optimization initiatives throughout the project lifecycle.
</li><li>Participate in design reviews, HAZOP, constructability workshops, and technical meetings with clients, vendors, and contractors.
</li><li>Monitor engineering progress and ensure deliverables are completed in accordance with project schedules, quality standards, and HSE requirements.
</li><li>Provide technical guidance, mentoring, and supervision to a team of Specialists, Senior Engineers, and Engineers.
</li><li>Interface effectively with clients, licensors, suppliers, and project stakeholders to resolve technical issues and support successful project execution.
</li></ul>Minimum Requirements
<ul><li>A bachelor&rsquo;s degree in relevant engineering discipline or equivalent from an accredited university, with a minimum of fifteen (15+) years of relevant experience in the Oil &amp; Gas or Petrochemical industry, including a minimum of five (5) years (preferred) in the GCC region.
</li><li>Must have at least five (5) years of experience in a similar position on major Oil &amp; Gas or Petrochemical projects, managing a team of Specialists, Senior Engineers, and Engineers.
</li><li>ADNOC &amp; Offshore project experience is preferred.
</li><li>PMC experiences are preferrable.
</li><li>Experience in FEED &amp; EPC Phases is required.
</li><li>Strong knowledge of international standards and codes including ASME Section VIII, API 650, API 620, API 661, API 660, TEMA, and NACE requirements.
</li><li>Experience in technical bid evaluations, vendor management, and fabrication oversight for static equipment.
</li><li>Excellent leadership, communication, and stakeholder management skills.
</li><li>Ability to work effectively within multidisciplinary and multicultural project environments.
</li></ul>Moving forward together
We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.
And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.
<div>And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.</div></div>

Specialist Static Equipment Engineer

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