Core Network Engineer jobs in Belfast

You will be a key player in implementing highly scalable, secure and cutting-edge, cloud-based solutions. This is a key opportunity to assist in the design, deployment, and management of cloud infrastructure on Azure.

You will collaborate with product owners, developers, key stakeholders (at all levels) and data engineers.

MRJ have partnered with a fast-growing AI-First tech company based in Belfast (But with multiple UK hubs) that’s done with “good enough.” They need a DevOps Engineer who brings order to chaos, automates the tedious, and builds systems that actually let teams move fast. Hybrid working with 2 days in Belfast (applicants must be UK based)"If you thrive on tackling root causes, turning messy systems...

You will be subject to BPSS and Export Control checks (including a criminal record check) TRAVEL REQUIRED: Occasional travel within UK

You will ensure service quality, drive continuous improvement, and manage service provider contracts. This role is responsible for ensuring that all network operations meet or exceed our internal and external service level agreements.

You will manage the full lifecycle of technical projects including: - Designing, planning and delivering customer solutions - Managing implementations, migrations and rollouts - Coordinating closely with engineering teams (approx.

We re Hiring: 24/7 NOC Shift Lead Belfast (Newtonabbey) Permanent We re expanding a 24/7 Network Operations Command Centre in Belfast and are looking for an experienced NOC Shift Lead to play a key role in day-to-day operations. This is a newly created role offering real responsibility, visibility, and long-term growth. If you re a confident people leader who thrives in fast-paced,...

Job Description 🚨 We’re Hiring: 24/7 NOC Shift Lead 📍 Belfast (Newtonabbey) | 💼 Permanent We’re expanding a 24/7 Network Operations Command Centre in Belfast and are looking for an experienced NOC Shift Lead to play a key role in day-to-day operations. This is a newly created role offering real responsibility, visibility, and long-term growth. If you’re a confident people leader who thrives...

As an experienced engineering manager, you will be responsible for the successful delivery of critical features within our core platform. Your primary focus will involve optimizing agile development methodologies, maintaining high code quality standards, and streamlining deployment pipelines. A core function of this position is talent management, including hiring, coaching, and developing...

You will work closely with leadership and your team to improve the overall availability, reliability, performance, and security of the infrastructure under your management.

You will need to develop a deep technical understanding of our systems and help grow and mentor your team of Engineers and architects.

You will design, implement, and maintain network architecture across a global environment, ensuring reliability, performance, and security. This includes provisioning network equipment, managing firewalls and VPNs, monitoring performance, responding to incidents, and driving continuous improvements.

You will be tasked with taking legacy network engineers forward and automating everything from configuring to operations.

You will be working with a firm that is known for the best architecture in the industry, you will be using bleeding-edge technology to expand this global network and automating its future.

You will also have the reassurance of a job guarantee upon completion.

You will also be assigned an expert tutor to help you throughout your training.

You will gain the practical experience by using our cutting edge Livelabs.

You will then go on to sit the CompTIA A+ exams to give you the official certifications which will be recognised worldwide.

Are you passionate about delivering sustainable solutions in the water sector? We have an exciting opportunity for an experienced Senior Engineer to join our dynamic team at Ryan Hanley, now Stantec, supporting critical infrastructure projects in the Water sector across Ireland. With a robust pipeline of work underway, you will play a key role in a collaborative environment, driving the...

You will be responsible for hydraulic modelling and designing innovative solutions for new infrastructure projects. The ideal candidate possesses strong problem-solving skills, teamwork experience, and expertise in water network operations. Join us to shape the future of water and leave a lasting legacy in your community.

Job Title: AI Product Engineer (KTP Associate) Ulster University and The Odyssey Trust Company Limited (OTC) School: School of Computing Location: The Odyssey Trust Company Limited (OTC), 2 Queens Quay, Belfast BT3 9QQ Salary: £37,000 to £42,000 per annum Closing Date: 8th February 2026 Full-time, Fixed-term for two years Reference Number: 040487 - THE BUSINESS - At The Odyssey Trust, we...

Role Title: Senior Engineer Fixed Term Contract (Operations) Reports to: Head of System Operations Location: Belfast (Hybrid) Duration: 30 Month Fixed Term Contract About us SONI as Transmission System Operator (TSO) is responsible for the safe, secure and reliable supply of electricity now and in the future. We have a pivotal role in the economy of Northern Ireland, supporting competition in...

Role Are you eager to work for one of the world’s most prominent financial institutions as they strengthen their enterprise infrastructure? Here’s why you should seize this opportunity: Join a financial giant as they expand their wireless and security networks and enterprise-grade load balancers, offering you an influential role in shaping their future. Take charge of designing, implementing,...

You will be part of a multidisciplinary team designing new infrastructure and non‐infrastructure assets that will serve communities for decades, even centuries. You'll be at the forefront of shaping how water is moved, stored, and managed across the UK. Your responsibilities will include:

You will oversee a team of technical engineers and see this as a prime opportunity to pursue a management opportunity.

You will set direction and standards and provide technical hands-on leadership capabilities.

You will implement highly scalable, secure and cutting-edge, cloud-based solutions.

We’re Hiring: 24/7 NOC Shift Lead #Permanent We’re expanding a 24/7 Network Operations Command Centre in Belfast and are looking for an experienced NOC Shift Lead to play a key role in day-to-day operations. This is a newly created role offering real responsibility, visibility, and long-term growth. As the on-shift lead , you’ll ensure smooth service delivery, strong SLA performance, and...

You will play a key role in evolving a high-performance infrastructure that supports complex routing, automation, and next-generation security. This is a deeply technical, hands-on position, ideal for engineers who want to work on challenging architecture and drive best practice across the business.