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core network engineer

Randstad Türkiye

<div>
 
 We are seeking an experienced and skilled
 
 Core Network Engineer
 
 to join our team at
 
 Huawei
 
 . In this role, you will take on key responsibilities in delivering, maintaining, and optimizing NFV and mobile core network solutions, ensuring high reliability and performance across 2G/3G/4G/5G services. You will act as a technical expert in core network projects, addressing complex system issues, supporting network operations, and enhancing service quality through advanced troubleshooting and optimization methods. This position provides an excellent opportunity to apply your expertise in core network technologies while contributing to global knowledge transfer and technical excellence in the telecom industry.
 
 
 
 
 
 
 Responsibilities:
 
 
 
 
 
 
 1. Support the delivery of NFV/mobile core network (EPC/5GC) projects as a technical expert, technical lead, or delivery engineer, and resolve various technical issues in the projects.
 
 
 2. Maintain and analyze faults for NFV, mobile core network, and fixed core network products, and support the routine maintenance, fault location, fault handling, and network optimization of NFV and mobile core networks to improve network performance.
 
 
 3. Transfer technical knowledge of NFV and mobile core network products to global core network technical support engineers through training and on-site support.
 
 
 
 
 
 
 
 
 
 Requirements:
 
 
 
 
 
 
 1. Bachelor's degree or above in communications, computer science, or related fields.
 
 
 2. At least 2 years of relevant work experience in the core network or IT industry, with a deep understanding of the core network or IT domain.
 
 
 3. Strong ability to handle system issues.
 
 
 4. Excellent communication and presentation skills, and a strong service-oriented mindset.
 
 
 5. Good knowledge of IP technologies; candidates with CCNP or higher certification will be preferred.
 
 
 6. Candidates with the following core network knowledge will be preferred:
 
 
 (1) Networking knowledge: Proficiency in 2G/3G/4G/5G horizontal service non-standard networking solutions, IPv6 networking solutions, and common NFVI networking solutions.
 
 
 (2) Service knowledge: Proficiency in 2G/3G/4G/5G service implementation solutions (such as chain backup, pool migration, precise paging, fast-moving user assurance, Smartphone signaling storm suppression, DECOR, charging fraud, SA signature database update, and emergency calls), familiarity with 5G QoS principles and configurations, and end-to-end service quality control and differentiated management methods based on QoS. Ability to complete content-based charging and PCC script development according to user service requirements.
 
 
 (3) Network design knowledge: Proficiency in 2G/3G/4G/5G horizontal service networking solutions, IPv6 networking solutions, and other service solutions LLD/HLD.
 
 
 (4) Integration and interconnection knowledge: Proficiency in the commissioning methods for 2G/3G/4G/5G horizontal service non-standard networking solutions, IPv6 networking solutions, and other service solutions, as well as IoT commissioning, cutover, verification, and automated monitoring methods.
 
 
 (5) Routine operation and maintenance knowledge: Proficiency in basic KPI optimization methods for 2G/3G/4G/5G horizontal services, and familiarity with TCP packet analysis methods.
 
 
 
</div>

CORE NETWORK ENGINEER

Nokia

<div>
 
 Job Description
 
 
 
 As a Network Design &amp; Planning Engineer at Nokia, you will play a crucial role in shaping the future of our 4G and 5G networks. Collaborating with a dynamic team of experts, you'll conduct in-depth network design and planning, driving innovative strategies to enhance performance and coverage. Your responsibilities will include capacity analysis, link budgeting, and feature design, ensuring our solutions meet customer requirements and exceed expectations. Embrace a fast-paced, collaborative work environment where you can lead projects, make impactful decisions, and communicate your findings to stakeholders. You will utilize state-of-the-art planning tools such as iBwave, NDE, and Netact, fostering a culture of knowledge sharing while contributing to significant advancements in network technology. Join us in revolutionizing connectivity and creating seamless experiences for users worldwide.
 
 
 
 How You Will Contribute And What You Will Learn
 
 
 
 <ul>
 <li>
 Lead network design and planning activities for 4G and 5G networks, including new software releases and feature enhancements.
 </li>
 <li>
 Conduct detailed coverage predictions and link budget analyses for indoor and outdoor RF design to meet customer requirements.
 </li>
 <li>
 Prepare and manage parameter workbooks, ensuring accurate mapping of features and KPIs from various vendors to Nokia standards.
 </li>
 <li>
 Perform capacity analysis and create high-level (HLD) and low-level designs (LLD) to optimize network efficiency.
 </li>
 <li>
 Utilize planning tools such as Netact, MantRay, NDE, and 9955 for effective network design implementation.
 </li>
 <li>
 Evaluate impacts of software changes on key performance indicators (KPIs) and provide recommendations for improvement.
 </li>
 <li>
 Present technical data and project updates to customers with strong communication and presentation skills.
 </li>
 <li>
 Provide informal guidance and support to team members, fostering collaboration and knowledge sharing within the team.
 
 
 </li>
 </ul>
 
 Key Skills And Experience
 
 
 
 
 You have:
 
 
 
 <ul>
 <li>
 Hands-on experience in Radio network technologies (2G, 3G, LTE, 5G SA and NSA)
 </li>
 <li>
 Proficiency in network design and coverage analysis for indoor and outdoor deployments
 </li>
 <li>
 Experience with planning tools: Netact, MantRay, NDE, 9955, and Mapinfo
 </li>
 <li>
 Ability to conduct capacity analysis and prepare high-level and low-level designs (HLD/LLD)
 
 
 </li>
 </ul>
 
 It would be nice if you also had:
 
 
 
 <ul>
 <li>
 Experience in delta analysis and mapping KPIs from different vendors
 </li>
 <li>
 Strong presentation and customer-facing skills
 </li>
 <li>
 Expertise in parameter workbooks and feature design
 </li>
 <li>
 A background in project leadership and independent decision-making
 
 
 </li>
 </ul>
 
 About Us
 
 
 
 
 Come create the technology that helps the world act together
 
 
 
 Nokia is committed to innovation and technology leadership across mobile, fixed and cloud networks. Your career here will have a positive impact on people&rsquo;s lives and will help us build the capabilities needed for a more productive, sustainable, and inclusive world.
 
 
 We challenge ourselves to create an inclusive way of working where we are open to new ideas, empowered to take risks and fearless to bring our authentic selves to work
 
 
 
 What we offer
 
 
 
 Nokia offers continuous learning opportunities, well-being programs to support you mentally and physically, opportunities to join and get supported by employee resource groups, mentoring programs and highly diverse teams with an inclusive culture where people thrive and are empowered.
 
 
 
 Nokia is committed to inclusion and is an equal opportunity employer
 
 
 
 Nokia has received the following recognitions for its commitment to inclusion &amp; equality:
 
 
 <ul>
 <li>
 One of the World&rsquo;s Most Ethical Companies by Ethisphere
 </li>
 <li>
 Gender-Equality Index by Bloomberg
 </li>
 <li>
 Workplace Pride Global Benchmark
 
 
 </li>
 </ul>
 At Nokia, we act inclusively and respect the uniqueness of people. Nokia&rsquo;s employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law.
 
 
 We are committed to a culture of inclusion built upon our core value of respect.
 
 
 Join us and be part of a company where you will feel included and empowered to succeed.
 
 
 
 About The Team
 
 
 
 In Mobile Networks , our ambition is to become the trusted partner of choice for Communications Service Providers (CSPs), as well as for non-CSP entities in sectors like utilities, transportation, public services, and defense. We strive to deliver unbeatable customer experiences in wireless connectivity.
</div>

Network Design & Planning Engineer

Nets-international Communication

Overview We are seeking a skilled Splunk Engineer with strong administration and operational experience to design, implement, and maintain Splunk infrastructure and analytics solutions. The ideal candidate will have hands-on expertise in Splunk Enterprise / Enterprise Security (ES), data onboarding, dashboard creation, alert tuning, and system administration. This role bridges engineering, operations, and security analytics, ensuring Splunk runs optimally while delivering actionable insights.Key Responsibilities<ul><li>Design, deploy, and maintain Splunk environments (indexers, search heads, forwarders, deployment servers, cluster masters).</li><li>Create and optimize SPL queries, dashboards, reports, and alerts for operational visibility and threat detection.</li><li>Develop and automate data onboarding pipelines from diverse sources (syslog, cloud, API, EDR tools).</li><li>Integrate Splunk with SIEM/SOAR platforms, cloud services (AWS, Azure, GCP), and endpoint security tools.</li><li>Support use case development for security monitoring and compliance (SOC, IT Ops, or DevOps).</li><li>Perform installation, configuration, and upgrade of Splunk components.</li><li>Manage user roles, authentication, and access control (RBAC).</li><li>Monitor system health, indexing performance, and data retention policies.</li><li>Handle license management, data optimization, and troubleshooting.</li><li>Conduct backup, recovery, and disaster recovery planning for Splunk infrastructure.</li></ul>Security &amp; Operations<ul><li>Collaborate with SOC Analysts to build and tune correlation searches.</li><li>Ensure data integrity, confidentiality, and compliance with security standards (SOC 2, ISO 27001, NIST).</li><li>Participate in incident response and threat analysis leveraging Splunk dashboards.</li><li>Automate repetitive tasks using scripts (Python, Bash, PowerShell) and APIs.</li></ul>Required Skills &amp; Qualifications<ul><li>Bachelor&rsquo;s degree in Computer Science, Information Security, or related field.</li><li>3+ years of experience in Splunk engineering or administration.</li><li>Proficiency in Splunk Enterprise / ES, SPL scripting, and data onboarding.</li><li>Experience managing Splunk clusters, indexing, and search head configurations.</li><li>Strong understanding of log parsing, data normalization, and regex extractions.</li><li>Familiarity with Linux/Windows administration and network security concepts.</li><li>Experience with security frameworks (NIST, MITRE ATT&amp;CK, SOC2, PCI-DSS).</li><li>Scripting skills in Python, Shell, or PowerShell.</li><li>Excellent problem-solving and analytical skills.</li></ul>Preferred Qualifications<ul><li>Splunk Certifications:</li><li>Splunk Core Certified Power User</li><li>Splunk Enterprise Certified Admin</li><li>Splunk Enterprise Security Certified Admin</li><li>Knowledge of cloud-based Splunk (Splunk Cloud, AWS, Azure integrations).</li><li>Experience working in a Security Operations Center (SOC) environment.</li></ul>Job Type: Full-timeAbility to commute/relocate:<ul><li>&#305;stanbul: Reliably commute or planning to relocate before starting work (Required)</li></ul>Application Question(s):<ul><li>what is your monthly current salary?</li><li>what is your monthly expected salary?</li><li>what is your notice period?</li></ul>Education:<ul><li>Bachelor's (Required)</li></ul>Experience:<ul><li>Splunk Engineer: 4 years (Required)</li></ul>

Splunk Engineer

Vanderlande

<div>
 Job Title
 
 
 High Level Control Engineer (Application Support)
 
 
 
 Job Description
 
 
 
 
 ICT High-Level Control Engineer
 
 
 
 Our company
 
 
 Vanderlande is the global market leader for future-proof logistic process automation at airports &ndash; from London Heathrow to Singapore Changi &ndash; and in the parcel market, for main players such as UPS and FedEx. Furthermore, we are also a leading supplier of solutions for warehousing giants, including one of the largest e-commerce leaders providing logistics, payments, hardware, data storage, and media solutions, which seamlessly integrate innovative systems, intelligent software and life-cycle services.
 
 
 If you aspire to a position of responsibility &ndash; and want to make a difference by facilitating the delivery of what matters most to consumers, passengers and businesses &ndash; then the next step on your path to global opportunities is to join Vanderlande. As part of our network and unique culture of freedom and flexibility, you will be connected to our dedicated people, build strong relationships and rise to the challenge of industry-leading projects.
 
 
 You will grow, take ownership and make every day better as you continue on the road to success with your spirit of adventure &ndash; and fulfil your ambitions for personal development through our Academy. Vanderlande will give you the necessary knowledge, tools and support, so that together we have the confidence and ability to exceed our customers&rsquo; expectations in over 100 countries.
 
 
 To achieve our collective goals, you will have a hands-on role working in a positive environment to deliver tangible, state-of-the-art products and improve the competitiveness of our highly visible customers. As an integral part of our team, you will have the enthusiasm and be driven to reach our destination before your next journey with Vanderlande begins&hellip;
 
 
 Your position
 
 
 As ICT High-Level Control Engineer, you will be responsible for all continuous operations of the assigned information technologies infrastructure such as in-house applications, databases, their network, and interactions with various depending systems of Baggage Handling System (BHS) at Istanbul Airport. Your responsibility is to act as Level-1 and Level-2 service desk with the assistance of the Global Service Desk operations. You will follow the ITIL based functional and tactical procedures and the assigned tools during the operations.
 
 
 As ICT High-Level Control Engineer you will ensure the delivery of the planned preventive maintenance over the systems as well as the problem items and the changes that may require. Furthermore, you enhance the performance of the incident management by constantly updating the knowledge base so that the engineers can quickly resolve incidents.
 
 
 In this function, you will work in shifts. You will constantly collaborate with Operation Team and Maintenance Team on Shift, other engineers of ICT team, engineers/specialists of Global Service Desk Level-1,2, 3, and 4 to ensure the continuity of their service functions. You will report to the HLC Team Lead.
 
 
 Your profile
 
 
 <ul>
 <li>
 You hold a bachelor degree in computer sciences or electric &ndash; electronics, or related other fields
 </li>
 <li>
 You have entry-level knowledge of computer and database technologies like Linux, Windows, Oracle
 </li>
 <li>
 You are familiar with SQL language in database platforms Oracle and / or Microsoft SQL
 </li>
 <li>
 1 to 3 years of work experience in IT environment (preferable)
 </li>
 <li>
 Preferably you have working knowledge of one or more application servers (WebLogic, etc)
 </li>
 <li>
 Preferably you have good understanding of IT service management practices (ITIL v3/v4)
 </li>
 <li>
 Preferably you have working knowledge of one or more scripting languages (Bash, Python, etc.)
 </li>
 <li>
 You have excellent communication skills, writing and speaking, in the Turkish and the English language
 </li>
 <li>
 You live in Istanbul or willing to move there, within commuting distance of the new airport
 
 
 </li>
 </ul>
 Your responsibilities
 
 
 <ul>
 <li>
 Analyzing &amp; reporting of system performance and undefined behavior and phenomena of the system as well as functional reports and specific flow situations
 </li>
 <li>
 Executing the lifecycle of open tickets, proper reporting between shifts, and communicating with the stakeholders
 </li>
 <li>
 Continuously monitoring the customer&rsquo;s BHS environment
 </li>
 <li>
 Help in identifing problems and performing Root Cause Analysis in close collaboration with other IT organizational groups
 </li>
 <li>
 Maintaining and supporting the Incident Management processes
 </li>
 <li>
 Monitoring shift reports and raising problem items when required
 </li>
 <li>
 Analyzing and filtering events that are potential incidents
 </li>
 <li>
 Working on priority 1 and 2 incidents when escalated, resolving them within SLA
 </li>
 <li>
 Triaging all events reported and maintain incident reporting till event is closed
 </li>
 <li>
 Planning and delivering preventive maintenance tasks &amp; assigned change tasks (back-ups, patch execution, etc.)
 </li>
 <li>
 Creating documentation such as manuals, programming diagrams, network diagrams, work instructions and communication drawings
 
 
 </li>
 </ul>
 Personal skills
 
 
 <ul>
 <li>
 Initiator and follower on engineering solutions.
 </li>
 <li>
 Strong customer focus
 </li>
 <li>
 A clear communicator, able to communicate at all levels, able to provide clear and concise information to stakeholders and management at all levels
 </li>
 <li>
 Proactive (focus on service improvements)
 </li>
 <li>
 Team player, adaptable and willing to broaden skills outside core skillset, and to develop and mentor other team members
 </li>
 <li>
 Eager to learn. Have the ability to dig into technical problems in its own areas, at the same time to maintain the overview on the system, software, and system behavior
 </li>
 <li>
 Have very good analytical skills and able to think &ldquo;out-of-the-box&rdquo;
 </li>
 <li>
 Ability to work under pressure on mission-critical systems
 </li>
 <li>
 Good attention to detail and ability to work to a high standard
 </li>
 <li>
 Good scheduler and performer in highly planned task regime
 </li>
 <li>
 Able and willing to work in shifts
 
 
 </li>
 </ul>
 
 Diversity &amp; Inclusion Disclaimer
 
 
 
 Vanderlande is an equal opportunity employer. Qualified applicants will be considered without regards to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
</div>

High Level Control Engineer (Application Support)

Vanderlande Industries

<div><div>Job Title</div>
High Level Control Engineer (Application Support)<div></div><div>
Job Description</div><div>
ICT High-Level Control Engineer</div><div></div><div>
Our company</div><div>
Vanderlande is the global market leader for future-proof logistic process automation at airports &ndash; from London Heathrow to Singapore Changi &ndash; and in the parcel market, for main players such as UPS and FedEx. Furthermore, we are also a leading supplier of solutions for warehousing giants, including one of the largest e-commerce leaders providing logistics, payments, hardware, data storage, and media solutions, which seamlessly integrate innovative systems, intelligent software and life-cycle services.</div><div></div><div>
If you aspire to a position of responsibility &ndash; and want to make a difference by facilitating the delivery of what matters most to consumers, passengers and businesses &ndash; then the next step on your path to global opportunities is to join Vanderlande. As part of our network and unique culture of freedom and flexibility, you will be connected to our dedicated people, build strong relationships and rise to the challenge of industry-leading projects.</div><div></div><div>
You will grow, take ownership and make every day better as you continue on the road to success with your spirit of adventure &ndash; and fulfil your ambitions for personal development through our Academy. Vanderlande will give you the necessary knowledge, tools and support, so that together we have the confidence and ability to exceed our customers&rsquo; expectations in over 100 countries.</div><div></div><div>
To achieve our collective goals, you will have a hands-on role working in a positive environment to deliver tangible, state-of-the-art products and improve the competitiveness of our highly visible customers. As an integral part of our team, you will have the enthusiasm and be driven to reach our destination before your next journey with Vanderlande begins&hellip;</div><div></div><div>
Your position</div><div>
As ICT High-Level Control Engineer, you will be responsible for all continuous operations of the assigned information technologies infrastructure such as in-house applications, databases, their network, and interactions with various depending systems of Baggage Handling System (BHS) at Istanbul Airport. Your responsibility is to act as Level-1 and Level-2 service desk with the assistance of the Global Service Desk operations. You will follow the ITIL based functional and tactical procedures and the assigned tools during the operations.</div><div></div><div>
As ICT High-Level Control Engineer you will ensure the delivery of the planned preventive maintenance over the systems as well as the problem items and the changes that may require. Furthermore, you enhance the performance of the incident management by constantly updating the knowledge base so that the engineers can quickly resolve incidents.</div><div></div><div>
In this function, you will work in shifts. You will constantly collaborate with Operation Team and Maintenance Team on Shift, other engineers of ICT team, engineers/specialists of Global Service Desk Level-1,2, 3, and 4 to ensure the continuity of their service functions. You will report to the HLC Team Lead.</div><div></div><div>
Your profile</div><div></div><ul><li>
You hold a bachelor degree in computer sciences or electric &ndash; electronics, or related other fields</li><li>
You have entry-level knowledge of computer and database technologies like Linux, Windows, Oracle</li><li>
You are familiar with SQL language in database platforms Oracle and / or Microsoft SQL</li><li>
1 to 3 years of work experience in IT environment (preferable)</li><li>
Preferably you have working knowledge of one or more application servers (WebLogic, etc)</li><li>
Preferably you have good understanding of IT service management practices (ITIL v3/v4)</li><li>
Preferably you have working knowledge of one or more scripting languages (Bash, Python, etc.)</li><li>
You have excellent communication skills, writing and speaking, in the Turkish and the English language</li><li>
You live in Istanbul or willing to move there, within commuting distance of the new airport</li></ul><div></div><div>
Your responsibilities</div><div></div><ul><li>
Analyzing &amp; reporting of system performance and undefined behavior and phenomena of the system as well as functional reports and specific flow situations</li><li>
Executing the lifecycle of open tickets, proper reporting between shifts, and communicating with the stakeholders</li><li>
Continuously monitoring the customer&rsquo;s BHS environment</li><li>
Help in identifing problems and performing Root Cause Analysis in close collaboration with other IT organizational groups</li><li>
Maintaining and supporting the Incident Management processes</li><li>
Monitoring shift reports and raising problem items when required</li><li>
Analyzing and filtering events that are potential incidents</li><li>
Working on priority 1 and 2 incidents when escalated, resolving them within SLA</li><li>
Triaging all events reported and maintain incident reporting till event is closed</li><li>
Planning and delivering preventive maintenance tasks &amp; assigned change tasks (back-ups, patch execution, etc.)</li><li>
Creating documentation such as manuals, programming diagrams, network diagrams, work instructions and communication drawings</li></ul><div></div><div>
Personal skills</div><div></div><ul><li>
Initiator and follower on engineering solutions.</li><li>
Strong customer focus</li><li>
A clear communicator, able to communicate at all levels, able to provide clear and concise information to stakeholders and management at all levels</li><li>
Proactive (focus on service improvements)</li><li>
Team player, adaptable and willing to broaden skills outside core skillset, and to develop and mentor other team members</li><li>
Eager to learn. Have the ability to dig into technical problems in its own areas, at the same time to maintain the overview on the system, software, and system behavior</li><li>
Have very good analytical skills and able to think &ldquo;out-of-the-box&rdquo;</li><li>
Ability to work under pressure on mission-critical systems</li><li>
Good attention to detail and ability to work to a high standard</li><li>
Good scheduler and performer in highly planned task regime</li><li>
Able and willing to work in shifts</li></ul><div></div><div>
Diversity &amp; Inclusion Disclaimer</div><div></div><div>
Vanderlande is an equal opportunity employer. Qualified applicants will be considered without regards to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.</div></div>

ARX Group

<div>Road / Highway Design Engineer - &#304;stanbul (Merter), Ankara
We are looking for a passionate and detail-oriented Road / Highway Design Engineer to join our Ankara or Istanbul office. 
You will take part in the design and coordination of national and international transportation projects, working within a multidisciplinary team of engineers, architects, and BIM specialists.
This is your opportunity to lead design excellence, contribute to strategic infrastructure development, and help build the roads that connect tomorrow's communities. 
As a Road / Highway Design Engineer at ARX, you will:<ul><li>
Develop and review road and highway geometric designs (horizontal &amp; vertical alignments, cross-sections, typical details).</li><li>
Prepare and check drawings, design reports, and BOQs in accordance with international and local standards.</li><li>
Collaborate with structural, drainage, traffic, and BIM teams to ensure fully coordinated project delivery.</li><li>
Participate in design review, quality control, and technical meetings with clients and partners.</li><li>
Support tender documentation and contribute to project planning and implementation.</li></ul>
We're looking for:<ul><li>
A Bachelor's degree in Civil Engineering (Master's degree is a plus).</li><li>
At least 5 years of professional experience in road/highway design or transportation infrastructure.</li><li>
Strong knowledge of AutoCAD Civil 3D, InfraWorks, or similar design tools.</li><li>
Knowledge of Revit for coordination purposes will be considered an asset.</li><li>
Familiarity with AASHTO, DMR, or local geometric design standards.</li><li>
A collaborative, solution-oriented mindset and excellent communication skills.</li><li>
Fluency in English (both written and spoken).</li></ul>
Why ARX?<ul><li>
Be part of a global network of smart minds shaping the future of engineering.</li><li>
Work on high-profile international projects with cross-disciplinary collaboration.</li><li>
Enjoy a hybrid working model, private health insurance, and meal benefits (Multinet).</li><li>
Experience a culture that values innovation, quality, and professional growth.</li></ul>
If this sounds like the right opportunity for you, we'd love to hear from you! Apply now and be part of our team of smart minds building strong structures! 

 
Sector:
Role:
Will manage other people: No
Job type: Contratto a tempo indeterminato</div>

Road / Highway Design Engineer

Explore 409+ Core network engineer in Istanbul Turkey this November. Find roles across top companies and apply now to boost your career.

409 core network engineer jobs IN Istanbul Turkey

CORE NETWORK ENGINEER

Network Design & Planning Engineer

Splunk Engineer

High Level Control Engineer (Application Support)

High Level Control Engineer (Application Support)

High Level Control Engineer (Application Support)

Road / Highway Design Engineer