Senior Network Security Engineer jobs in Belfast

You will be responsible for verifying complex IP and SoC designs, owning test plans, driving coverage closure,...

Role & What’s in it for the applicant and why would they apply?: This is a rare opportunity to join a public-sector organisation with genuine technical depth, running and evolving its own data centre and enterprise network estate. Rather than being siloed or boxed into BAU, you’ll work across network design, deployment, support, and continuous improvement, with real influence over direction and...

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security...

Job Description Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Are you looking for a career move that will put you at the heart of a global financial...

You will design and implement secure network architectures, managing core Cisco technologies such as ASA firewalls, Firepower Threat Defense (FTD)/NGFW, Identity Services Engine (ISE) for NAC, Cisco+ Secure Connect, and Wireless LAN Controllers. You'll optimise DMVPN/MPLS for remote sites, evaluate SDWAN solutions, and enforce zero trust policies.

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.

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...

Role Title: Storage SAN SME Duration : 8 months Rate: £366 per day on umbrella Location: Sheffield Hybrid -3 Days We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. Storage - Strong knowledge in SAN hardware installation and configuration; Storage - Strong SAN storage and virtualisation knowledge, provisioning and migration...

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,...

Position: Senior IT Engineer Reports to: Head of IT Location: Head Office, 74 Scarva Road, Banbridge, BT32 3QD, Northern Ireland (Fully office based) Duration: Full time (40 hours) / Permanent. Primarily 8.30am to 5.00pm rotational 06.30am to 3.00pm shift every 3 weeks. Rotational on call will also be required. Gordons Chemists is Northern Ireland’s largest independently owned pharmacy...

Description Join System C and help connect and transform health and care through secure, resilient networks that millions rely on every day. You'll design, implement and operate modern network services across our data centres and Azure, acting as the subject-matter expert for Fortinet firewalls, F5 BIG-IP and Cisco routing/switching. You'll lead complex change, solve major incidents, and raise...

About Turing: Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in coding, reasoning, STEM,...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

Senior Performance Engineer - UK Ready to Make a Real Impact? Join e-STORAGE! Who We Are Welcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more...

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.

Senior System Engineer (AI/ML) | Permanent position - Location: Central London - Onsite: 5 days a week (South Kensington / Waterloo) - Salary: Up to £82,500 + Excellent Benefits - Available position: 2 positions Our client, an IT consulting and services provider, is seeking an experienced AI/ML Platform Engineer to support a transformative project within the UK education sector. You'll play a...

You will be responsible for verifying complex IP and SoC designs, owning test plans, driving coverage closure, and supporting integration using industry-standard verification environments. Key Responsibilities - Design and implement UVM / SystemVerilog verification environments

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.