Senior Network Security Engineer jobs in Belfast

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 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.

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...

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.

You will be accountable for setting operational standards and ensuring consistent, high-quality delivery during the non-traditional trading window. This position is a critical component of our comprehensive "Follow-the-Sun" support model, vital to achieving 24/7 market protection.

Northern Ireland (Field Based) Competitive + Overtime + Company Vehicle + Benefits Full-time, Permanent Vickerstock are working in partnership with a growing specialist in Fire & Security solutions to recruit a Fire & Security Engineer. Our client delivers installation, service and maintenance of high-quality fire and electronic security systems across commercial, industrial and public sector...

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 part of a highly skilled operations function responsible for maintaining the availability and performance of critical network services.

You will support and guide team members, coordinate major incidents, and work closely with internal teams and third-party providers to maintain service excellence.

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...

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,...

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...

Senior Engineer Operations (Fixed Term Contract) Location: Belfast (Hybrid) Duration: 30-Month Fixed Term Contract About the Role A leading Transmission System Operator is seeking a Senior Engineer to support the safe, secure, and reliable operation of Northern Irelands electricity system. This is a chance to work at the forefront of power system innovation, renewable integration, and market...

You will be subject to BPSS and Export Control checks (including a criminal record check)

You will manage the metallic material activities in the Belfast production facilities

You will be responsible for material selection and Support to design, manufacturing Engineering, supply chain and quality for any material related queries, concession, etc.

You will work closely with customers and internal stakeholders to design, deploy and support SIP and VoIP-based voice platforms. Configuring and planning work, fault finding at protocol level, and joining customer calls to explain technical designs, security considerations and voice architectures.

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 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.

Senior Tech Ops Engineer (Saturday - Wednesday + shift allowance) We have an opening for an ambitious IT professional to join our Technology Operations Command Centre, the hub of global technology operations at CME Group. This is a troubleshooting focused role, where the successful candidate will gain exposure to a wide range of the latest technologies across systems, networks and software in a...

You will be subject to BPSS and Export Control checks (including a criminal record check)

You will be managing composite material activities in the Belfast production facilities

You will be responsible for material selection and Support to design, manufacturing Engineering, supply chain and quality for any material related queries, concession, etc.

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...