product manager

project engineer

sales engineer

civil engineer

cost control engineer

process engineer

<div>What if you could shape a career as unique as you? 
 
<div>At WSP, you can always find opportunities to grow and do what matters to you. Make the most of our global reach to discover new challenges and chances to work with diverse, talented individuals who will help you expand your horizons. 
</div><div></div> 
As part of a major infrastructure program in Riyadh (PMCM scope), we are seeking a Lead Process Engineer to lead and oversee all process engineering systems across the project lifecycle.
You will provide strategic and technical leadership, driving design excellence and ensuring robust delivery of process systems across water, wastewater, stormwater, and district cooling assets. Acting as the subject matter expert, you will guide multidisciplinary teams and ensure alignment with regulatory, sustainability, and program objectives within a client-facing PMO/PMC environment.</div><div></div>
 <div><ul><li>Lead and oversee technical review, validation, and approval of all process design submissions from consultants and contractors.
</li><li>Drive strategic planning and integration of process systems across large-scale infrastructure programs.
</li><li>Act as the lead technical advisor to the client on all process engineering matters.
</li><li>Establish and enforce quality assurance frameworks for process engineering deliverables.
</li><li>Lead coordination across multidisciplinary teams including mechanical, civil, utilities, and MEP.
</li><li>Champion value engineering, innovation, and optimization initiatives across process systems.
</li><li>Provide leadership support during procurement, including review of specifications, tender documents, and technical evaluations.
</li><li>Lead risk assessments, technical workshops, and sustainability initiatives at a program level.
</li><li>Oversee construction-phase implementation, ensuring compliance, performance, and best practice standards.
</li><li>Mentor and develop engineering teams, fostering a culture of technical excellence and knowledge sharing.</li></ul></div>
 <div><ul><li>Bachelor&rsquo;s or Master&rsquo;s degree in Process, Chemical, Environmental, or Mechanical Engineering.
</li><li>15+ years of experience in process engineering, with at least 7 years in a leadership role within PMC/PMO or consulting environments in the Middle East.
</li><li>Extensive expertise in water/wastewater treatment, pumping stations, stormwater systems, and utility infrastructure.
</li><li>Demonstrated leadership in managing multidisciplinary teams and complex project interfaces.
</li><li>Strong knowledge of international standards (ASME, API, ISO, etc.) and regional regulatory frameworks.
</li><li>Proven stakeholder management and client engagement experience at senior levels.
</li><li>Experience on large-scale infrastructure or urban development programs is essential.
</li><li>Professional membership (e.g., IChemE, ASME) is preferred. 
</li></ul><div></div><div>Imagine a better future for you and a better future for us all. 
</div><div></div> 
<div>Work on landmark projects around the world and embrace opportunities to make an even bigger impact in the communities you care about. What if you could do the best work of your life and create a legacy for yourself? 
</div><div></div> 
<div>With us, you can. Apply today .</div></div>

Lead Process Engineer

Euro Systems

Job Title: Production Engineer &ndash; Aluminum &amp; Fa&ccedil;ade Location: United Arab Emirates Employment Type: Full-Time Industry: Aluminum / Fa&ccedil;ade / Construction / ManufacturingJob OverviewWe are seeking a highly skilled and experienced Production Engineer &ndash; Aluminum &amp; Fa&ccedil;ade to manage and oversee factory production operations related to aluminum systems, curtain walls, windows, doors, and fa&ccedil;ade elements.The ideal candidate will have strong technical expertise in aluminum fabrication, with a proven ability to ensure efficient production planning, maintain quality standards, and deliver projects on time within a fast-paced manufacturing environment.Key Responsibilities<ul><li>Plan, organize, and supervise daily production activities in the aluminum and fa&ccedil;ade factory</li><li>Coordinate with design, estimation, and project teams to align production schedules with project timelines</li><li>Ensure all products meet required quality standards and technical specifications</li><li>Optimize utilization of manpower, machinery, and materials to improve efficiency</li><li>Monitor fabrication processes including cutting, CNC operations, assembly, and glazing</li><li>Implement and enforce health, safety, and quality control procedures</li><li>Identify opportunities for process improvements and cost reduction</li><li>Prepare daily/weekly production reports and progress updates</li><li>Ensure timely completion of production targets in line with project requirements</li></ul>Qualifications &amp; Requirements<ul><li>Bachelor&rsquo;s Degree in Mechanical, Production, Industrial Engineering, or a related field</li><li>3&ndash;7 years of experience in aluminum or fa&ccedil;ade manufacturing (mandatory)</li><li>Strong knowledge of aluminum profiles, curtain wall systems, windows/doors, and fabrication techniques</li><li>Experience working in a factory or manufacturing environment within the construction/contracting industry</li><li>Familiarity with ERP systems and production planning tools is an advantage</li><li>Strong leadership, communication, and team management skills</li><li>Ability to work under pressure and manage multiple projects simultaneously</li></ul>Preferred Skills<ul><li>AutoCAD and technical drawing interpretation</li><li>Lean Manufacturing and process improvement techniques</li><li>Quality control systems and factory workflow management</li><li>Knowledge of CNC programming or machinery operations is an added advantage</li></ul>Benefits<ul><li>Competitive salary package</li><li>Company visa and medical insurance</li><li>Annual leave and air ticket</li><li>Career growth and development opportunities</li></ul>Job Type: Full-timePay: ﷼6,500.00 - ﷼8,000.00 per monthWork Location: In person

Production Engineer – Aluminum & Façade

EUROPHON ACOUSTICS TRADING L.L.C

Job Title: Production Engineer &ndash; Aluminum &amp; Fa&ccedil;ade Location: Riyadh, Saudi Arabia Job Type: Full-TimeJob SummaryWe are seeking an experienced Production Engineer &ndash; Aluminum &amp; Fa&ccedil;ade to oversee factory production activities related to aluminum systems, curtain walls, cladding, and fa&ccedil;ade elements. The candidate will be responsible for ensuring efficient production planning, quality control, and timely delivery in line with project requirements.Key Responsibilities<ul><li>Supervise daily production activities in aluminum and fa&ccedil;ade fabrication.</li><li>Review shop drawings and ensure accurate implementation in production.</li><li>Plan and monitor production schedules to meet project deadlines.</li><li>Coordinate with design, procurement, and project teams.</li><li>Optimize production processes to improve efficiency and reduce waste.</li><li>Ensure compliance with quality standards and safety regulations.</li><li>Monitor material usage and control production costs.</li><li>Lead and manage production staff and supervisors.</li></ul>Requirements<ul><li>Bachelor&rsquo;s degree in Mechanical Engineering, Industrial Engineering, or related field.</li><li>5&ndash;8 years of experience in aluminum and fa&ccedil;ade production.</li><li>Strong knowledge of curtain wall systems, unitized systems, cladding, and aluminum fabrication processes.</li><li>Ability to read and interpret technical drawings.</li><li>Experience with ERP systems and production planning tools is an advantage.</li><li>Strong leadership and problem-solving skills.</li></ul>Job Type: Full-timePay: ﷼6,000.00 - ﷼8,000.00 per monthWork Location: In person

Forbes Marshall

<div>
 
 For over 75 years, Forbes Marshall has been a leader in delivering innovative products and services that help industries worldwide enhance their manufacturing processes and achieve superior energy efficiency. As global industries face the challenges of the climate crisis, the emphasis on sustainable growth with reduced carbon emissions has never been more vital.
 
 
 Drawing on decades of engineering expertise, Forbes Marshall provides practical, long-term solutions that empower businesses to operate more responsibly, cut down energy usage, and improve overall process efficiency. Our commitment to sustainability is reflected in the impact we make, we help our customers reduce fuel expenses by up to 1.5% annually, significantly transforming their energy footprint, and cutting down 122,000 tonnes of CO2 emissions each year. We also contribute to water conservation by saving ten million liters per hour and ensure operational uptime that surpasses industry standards. At the heart of our mission is a dedication to customer partnerships, high ethical standards, and community support through initiatives in healthcare, education, and women's empowerment.
 
 
 
 
 
 
 Role Overview
 
 
 
 As a Project Engineer at Forbes Marshall, you are the vital link between cutting-edge engineering and real-world industrial impact. You will act as a consultant, a strategist, and a technical expert, navigating the vibrant and expanding industrial landscape of Saudi Arabia. This is not just a desk job; it is a field-based opportunity where you will build lasting relationships, influence major infrastructure designs, and represent a global leader in energy and process efficiency.
 
 
 
 
 
 
 Purpose of the Role
 
 
 
 The core mission of this role is to champion sustainability and operational excellence. You are here to help our partners in the Kingdom bridge the gap between "standard operations" and "world-class efficiency." By identifying optimization opportunities and integrating Forbes Marshall&rsquo;s innovative steam and control solutions, you play a direct part in reducing carbon footprints, saving vital energy, and ensuring the industrial future of Saudi Arabia is both productive and environmentally responsible.
 
 
 
 
 
 
 Roles and Responsibilities
 
 
 <ul>
 <li>
 
 Demonstrate and apply
 
 deep technical knowledge of Steam Boilers and Steam Systems to serve as a subject matter expert for all project stakeholders.
 </li>
 <li>
 
 Proactively identify
 
 and track upcoming industrial projects across all major industrial zones and developing economic regions within Saudi Arabia.
 </li>
 <li>
 
 Identify and engage
 
 with the key consultants and contractors who lead large-scale steam and thermal energy projects across the Kingdom.
 </li>
 <li>
 
 Work closely
 
 from the initial design stage to provide technical support and ensure Forbes Marshall solutions are integrated into project specifications.
 </li>
 <li>
 
 Manage the end-to-end process
 
 of registering Forbes Marshall on the approved vendor lists of regional consultants and contractors.
 </li>
 <li>
 
 Conduct professional training seminars
 
 and technical workshops for consultants and contractors to build awareness of our latest engineering innovations.
 </li>
 <li>
 
 Perform industrial benchmarking
 
 to clearly demonstrate how Forbes Marshall deliverables provide superior efficiency and reliability compared to standard market options.
 </li>
 <li>
 
 Manage a strategic grid of customers
 
 , conducting detailed onsite surveys to identify operational gaps and improvement areas.
 </li>
 <li>
 
 Submit high-quality technical reports
 
 that provide data-backed insights into system health and operational performance.
 </li>
 <li>
 
 Propose tailored Forbes Marshall solutions
 
 focused on saving energy, boosting productivity, and reducing environmental impact to help partners meet modern industrial standards.
 </li>
 </ul>
 
 
 
 
 
 Qualifications and Requirements
 
 
 <ul>
 <li>
 
 Educational Background:
 
 A Bachelor&rsquo;s Degree (B.Sc. or B.E.) in Mechanical, Mechatronics, Power, Chemical, or Instrumentation &amp; Control Engineering from an accredited institution.
 </li>
 <li>
 
 Professional Registration:
 
 Must be registered (or eligible for registration) with the Saudi Council of Engineers (SCE), ensuring compliance with local engineering standards.
 </li>
 <li>
 
 Proven Experience:
 
 A minimum of 3 to 9 years of experience in project engineering, technical sales, or industrial utility management, ideally within the Kingdom of Saudi Arabia.
 </li>
 <li>
 
 Technical Foundation:
 
 A strong grasp of thermodynamics, fluid mechanics, and heat transfer; direct exposure to steam systems, boilers, or process automation is highly advantageous.
 </li>
 <li>
 
 Industry Knowledge:
 
 Hands-on experience within manufacturing environments such as Petrochemicals, Food &amp; Beverage, Pharmaceuticals, or heavy utilities is preferred.
 </li>
 <li>
 
 Local Residency:
 
 The candidate must be currently based in Saudi Arabia with a valid, transferable Iqama and the ability to begin work within a reasonable notice period.
 </li>
 <li>
 
 Stakeholder Experience:
 
 Proven ability to engage with EPC contractors, engineering consultants, and industrial plant managers, with the capacity to influence project specifications at the design stage.
 </li>
 <li>
 
 Communication Proficiency:
 
 Full professional command of English for technical reporting and presentations. Fluency in Arabic is a significant advantage for effective local coordination.
 </li>
 <li>
 
 Consultative Approach:
 
 A results-oriented mindset with the ability to identify operational inefficiencies and propose technical solutions as compelling business cases for energy saving and productivity.
 </li>
 <li>
 
 Analytical Skills:
 
 Competence in conducting onsite technical surveys, performing industrial benchmarking, and drafting detailed performance reports for end-users.
 </li>
 <li>
 
 Mobility and Travel:
 
 Possession of a valid Saudi Arabian driving license and a willingness to travel extensively to various industrial regions to meet with customers and partners.
 </li>
 <li>
 
 Interpersonal Strength:
 
 Self-motivated and capable of working independently to manage a strategic portfolio of customers while maintaining high standards of safety and quality.
 </li>
 </ul>
 
 
 
 
 
 Why Join Forbes Marshall?
 
 
 
 Joining Forbes Marshall means becoming part of a legacy that spans over 75 years of engineering excellence and innovation. We are a multinational with Indian roots operating in over 18 countries and catering to over 20 industries. Here, you are not just a member of a workforce; you are a valued part of a close-knit community dedicated to making a real impact.
 
 
 
 
 
 
 Personal and Professional Growth
 
 
 
 At Forbes Marshall, we focus on the growth and development of our members. You will gain valuable experience through engaging projects, exposure to advanced industry practices, and access to training and skill development opportunities.
 
 
 
 
 
 
 A Commitment to Sustainability and Purpose
 
 
 
 Forbes Marshall is dedicated to helping industries operate more efficiently and responsibly providing benefits. As a member of our team, you will contribute to projects that support energy efficiency and sustainability, helping customers reduce their carbon footprint.
 
 
 
 
 
 
 A Culture of Collaboration
 
 
 
 Collaboration is at the heart of our work environment. Members work together with teams across functions, fostering an atmosphere where knowledge sharing and teamwork drive success.
 
 
 
 
 
 
 Values We Wish for You to Experience
 
 
 
 
 
 
 
 INTEGRITY - Energising Self
 
 
 <ul>
 <li>
 
 Ethics:
 
 Fair and Honest
 </li>
 <li>
 
 Ownership:
 
 I Own the Result
 </li>
 <li>
 
 Candour:
 
 Speak Up
 </li>
 </ul>
 
 
 
 
 
 FAMILY SPIRIT - Energising Members
 
 
 <ul>
 <li>
 
 Generosity and Collaboration:
 
 Care, Respect, and Contributing to the performance of other teams along with their own
 </li>
 <li>
 
 Freedom:
 
 Do it
 </li>
 <li>
 
 Accountability:
 
 Answer to the Team
 </li>
 </ul>
 
 
 
 
 
 EXCELLENCE - Energising Customers
 
 
 <ul>
 <li>
 
 Quality:
 
 In All We Do
 </li>
 <li>
 
 Innovation:
 
 Try Something New
 </li>
 <li>
 
 Add Value:
 
 Deliver Customer Benefits
 </li>
 </ul>
 
 
 
 
 
 GOOD CITIZENSHIP - Energising Communities
 
 
 <ul>
 <li>
 
 Sustainability:
 
 Business, Environment, Society
 </li>
 <li>
 
 Diversity:
 
 Ideas, People, Worldwide
 </li>
 <li>
 
 Inclusive:
 
 Equal Opportunity
 </li>
 </ul>
 
 
 
 
 At Forbes Marshall, members are not just part of a team; they are part of a mission focused on delivering impactful solutions and promoting sustainability. Here, you will find more than just a career; you will find an opportunity to grow, collaborate, and make a meaningful difference in your work and the community.
 
</div>

Project Engineer

IFAS

Mechanical Engineer (Saudi National Only)Location: RiyadhJob SummaryWe are looking for a motivated fresh Mechanical Engineering graduate to support maintenance and project activities. The candidate will gain hands-on experience in mechanical systems including HVAC, plumbing, and fire fighting.Key Responsibilities* Assist in maintenance and inspection of mechanical systems.* Support senior engineers in daily operations and troubleshooting.* Follow preventive maintenance schedules.* Read basic drawings and assist in site supervision.* Prepare simple reports and documentation.* Ensure compliance with safety standards.Requirements* Bachelor&rsquo;s degree in Mechanical Engineering (Fresh Graduate).* Basic knowledge of HVAC / MEP systems.* Willingness to learn and work on-site.* Good communication skills.* Internship or training experience.* Registration in Saudi Council of Engineers (SCE).Kindly Answer the below questions to proceed further.All the Best!Application Question(s):<ul><li>What is your Total Package Expectation?</li><li>What is your Nationality?</li></ul>License/Certification:<ul><li>Saudi Counsil Of Engineers (SCE) (Required)</li></ul>Work Location: In person

Mechanical Engineer

Confidential

Job Title: Mechanical Engineer Location: Riyadh, Saudi Arabia Employment Type: Full-Time Job Overview On behalf of a prestigious and forward-thinking organisation, we are seeking a highly skilled and motivated Mechanical Engineer to join their dynamic team in Riyadh, Saudi Arabia. The successful candidate will be responsible for designing, developing, and testing a wide range of mechanical components, systems, and machinery. This role requires a hands-on professional who can manage projects from concept through to completion, ensuring all work meets the highest standards of quality, safety, and efficiency. This is an excellent opportunity to contribute to significant projects within a growing and innovative environment. Responsibilities  <ul><li>Design and develop mechanical solutions, from initial concept to detailed engineering, using CAD software such as SolidWorks, AutoCAD, or similar programmes.</li><li>Conduct thorough analysis and simulations to test and validate the performance, durability, and safety of designs.</li><li>Create and maintain comprehensive technical documentation, including detailed drawings, schematics, and manufacturing specifications.</li><li>Collaborate effectively with multidisciplinary teams, including electrical engineers, project managers, and technicians, to ensure seamless project integration and execution.</li><li>Oversee the fabrication, assembly, installation, and commissioning of mechanical systems and equipment.</li><li>Identify, diagnose, and resolve technical issues and challenges throughout the project lifecycle.</li><li>Ensure all designs and processes comply with relevant industry codes, standards, and health and safety regulations.</li><li>Prepare detailed reports, technical presentations, and project progress updates for senior management and stakeholders.</li><li>Participate in continuous improvement initiatives to optimise product design, manufacturing processes, and overall organisational efficiency.</li></ul>Qualifications  <ul><li>A Bachelor's degree in Mechanical Engineering or a closely related discipline is required. A Master's degree would be advantageous.</li><li>Proven professional experience working in a mechanical engineering role.</li><li>Strong proficiency in 2D and 3D CAD software and other engineering tools.</li><li>A solid understanding of core engineering principles, including thermodynamics, fluid mechanics, materials science, and structural analysis.</li><li>Excellent analytical, problem-solving, and critical-thinking skills.</li><li>Strong written and verbal communication skills in English are essential.</li><li>The ability to work independently and as part of a collaborative team in a fast-paced environment.</li><li>Experience with Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) is highly desirable.</li><li>Familiarity with project management principles and practices would be beneficial.</li></ul> Benefits A competitive remuneration package will be offered to the successful candidate, commensurate with their skills, experience, and qualifications. Our client is dedicated to fostering a supportive work environment that encourages professional growth and provides significant opportunities for career advancement.

Nextpower

<div>
 
 Job Description
 
 
 
 At Nextpower, we are leading in the energy transition, providing the most comprehensive portfolio of intelligent solar tracker and control software solutions for solar power plants, as well as strategic services to capture the full value of solar power plants for our customers. Our talented worldwide teams are transforming PV plant performance every day with smart technology, data monitoring and analysis services.
 
 
 As a company driving the clean energy transition, sustainability is not just a word. It's a core part of our business and our operations. Our sustainability efforts are based on five cornerstones: People, Community, Environment, Innovation, and Integrity. We are creative, collaborative and passionate problem-solvers from diverse backgrounds, driven by our shared mission to provide smart solar and software solutions for our customers and to mitigate climate change for future generations. Make your mark with Nextpower.
 
 
 The
 
 Manufacturing Engineering Specialist
 
 will be based in Riyadh in Nextpower office. In this position, you will report to the
 
 Factory General Manager
 
 . Nextpower is seeking a Manufacturing Engineering Specialist in Saudi Arabia to develop and manage its local supply chain as local supply becomes more strategic.
 
 
 The Manufacturing Engineering department is responsible for driving the industrialization, ramp‑up and continuous improvement of the steel processes and supplier network through deploying category/region/supplier-specific strategies and establishing strategic relationships with core suppliers.
 
 
 He/She will also be responsible to ensure correct execution of all the activities related to define, develop and launch a new or improved product or supplier.
 
 
 
 We Are Looking For Someone Who Demonstrates
 
 
 
 <ul>
 <li>
 Passionate drive to innovate and create
 </li>
 <li>
 Integrity to the core
 </li>
 <li>
 Enthusiastic customer focus
 </li>
 <li>
 Consistent interactive teamwork
 </li>
 <li>
 Desire for continuous improvement and top performance
 </li>
 <li>
 Organized and structured
 
 
 </li>
 </ul>
 Here is a glimpse of what you&rsquo;ll do&hellip;
 
 
 <ul>
 <li>
 Lead technical qualification efforts to support product launches. Support product development using the overall prioritization, milestones, deliverables, and successful criteria for product qualification and ramp. Focus will balance quality, customer satisfaction, cost, and sustainability
 </li>
 <li>
 Coordinate product management, engineering, quality, project engineering, applications engineering and vendors to formulate and review task plans and deliverable items, ensures conformance with program task schedules and costs
 </li>
 <li>
 Identify, and analyze problems, taking the initiative to implement improvements identified with a recognized business benefit
 </li>
 <li>
 Lead cost reduction initiatives for assigned suppliers
 </li>
 <li>
 Coordinate the day-to-day activities required to deliver all projects and deliverables on time
 </li>
 <li>
 Troubleshoot manufacturing and equipment issues; own root‑cause analysis and corrective actions, documenting results
 </li>
 <li>
 Host recurring project meetings and deliver status updates to all stakeholders
 </li>
 <li>
 Actively participate in meetings and business development opportunities as needed
 </li>
 <li>
 Internal customer voice; an advocate for the customer
 </li>
 <li>
 Visit frequently suppliers and keep track of execution performance
 
 
 </li>
 </ul>
 
 Here Is Some Of What You&rsquo;ll Need (required)&hellip;
 
 
 
 <ul>
 <li>
 Advanced Negotiation skills
 </li>
 <li>
 Experience with Saudi steel manufacturers and manufacturing process and regulations
 </li>
 <li>
 Experience in CM or OEM manufacturing including two years working regularly with one or more factories on process development, DFM, tooling readiness, and product launches
 </li>
 <li>
 Experience in at least two of the following processes: stamping, drilling, laser cutting, tube bending, or welding
 </li>
 <li>
 Solid structuring and analytical skills to keep track of multiple projects and vendors, in an international and multicultural environment.
 </li>
 <li>
 Proficiency in Microsoft Office, especially in Excel and PowerPoint
 </li>
 <li>
 Ability to report and present a strategy at executive level
 </li>
 <li>
 Advanced communication skills (written and verbal)
 </li>
 <li>
 Fluent oral and written communications at least in English and Arabic
 </li>
 <li>
 Strong cross-functional communication and collaboration skills as a significant part of the team and suppliers are remote
 </li>
 <li>
 Results orientated and demonstrated ability to think out of the box to drive results
 </li>
 <li>
 Ability to handle ambiguity and respond quickly and flexibly
 </li>
 <li>
 Autonomous
 </li>
 <li>
 Availability to travel on a regular basis
 
 
 </li>
 </ul>
 
 Here Are a Few Of Our Preferred Experiences&hellip;
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in mechanical, Industrial or Manufacturing Engineering (or higher)
 </li>
 <li>
 8&ndash;10 years&rsquo; experience in heavy‑steel fabrication with proven ownership of equipment installation and volume ramp‑up
 </li>
 <li>
 Experience working in a multicultural environment
 
 
 </li>
 </ul>
 At Nextpower, we are driving the global energy transition with an integrated clean energy technology platform that combines intelligent structural, electrical, and digital solutions for utility-scale power plants. Our comprehensive portfolio enables faster project delivery, higher performance, and greater reliability, helping our customers capture the full value of solar power. Our talented worldwide teams are redefining how solar power plants are designed, built, and operated every day with smart technology, data-driven insights, and advanced automation. Together, we&rsquo;re building the foundation for the world&rsquo;s next generation of clean energy infrastructure.
 
 
 
 We are Nextpower
 
</div>

Manufacturing Engineering Expert

Explore 875+ Process engineer in Riyadh this May. Find roles across top companies and apply now to boost your career.

875 process engineer jobs In Riyadh

Lead Process Engineer

Production Engineer – Aluminum & Façade

Production Engineer – Aluminum & Façade

Project Engineer

Mechanical Engineer

Mechanical Engineer

Manufacturing Engineering Expert