Cyber Security Jobs in Belfast

eFinancialCareers · Belfast

Operational role running penetration tests, vulnerability assessments and Red Team adversarial evaluations across a global bank's application portfolio. The work is twofold: testing GenAI, agentic and LLM-backed systems for prompt injection, retrieval poisoning and tool misuse, and using AI tooling to speed up security testing. Involves building triage pipelines and containment architectures for AI agents at enterprise scale.

Adecco · Belfast

Designs end-to-end infrastructure and cloud solutions for enterprise customers, leading technical workshops and translating business requirements into scalable architectures. Produces high and low-level design documentation and provides technical leadership across the project lifecycle, working with Azure, Microsoft 365, VMware/vSAN and hybrid cloud platforms. Also supports bids, solution presentations and customer engagement.

VIQU IT · Belfast · £80,000 – £100,000 pa

Independent assurance voice across a sovereign AI platform's cloud estate, corporate environment and AI capability. Sets security baselines for DevOps, IT and Product Security Engineering, then verifies them through continuous monitoring and independent testing, including AI controls such as prompt injection defences and agent permissions. One of the founding roles in a scaling assurance function, working with defence and government customers.

airbus · Belfast

Contributes to the design and deployment of SAP S/4 HANA for a Belfast aerostructures site, covering Inbound, Warehousing and Distribution processes in line with Customs and Export Control rules. Works with operations stakeholders, process owners and IM teams from discovery through entry into service, handling analysis, data migration, business acceptance testing and hypercare.

airbus · Belfast

Maintains and secures the IT systems embedded in production machinery at a Belfast manufacturing site, covering deployment, software configuration, validation, scheduled and reactive maintenance, upgrades and disposal. Also handles incident resolution, change management, documentation and cyber security of industrial assets, with on-call duty required.