Cyber Security Jobs

eFinancialCareers · Manchester · £100,000 pa

Senior technical security consultant acting as a security architect and technical authority across complex cybersecurity programmes in UK healthcare, defence, central government and the public sector. Leads security architecture reviews, threat modelling and risk assessments, advises on secure-by-design controls across cloud, network, infrastructure and application environments, and mentors security practitioners while engaging senior stakeholders.

eFinancialCareers · London · £85,000 – £105,000 pa

Senior technical security authority supporting UK public sector, healthcare, defence and central government clients. Leads security architecture reviews, assesses cloud, network, infrastructure and application controls, and conducts threat modelling, risk and vulnerability assessments. Mentors practitioners and translates complex security risks into business-focused recommendations for senior stakeholders.

eFinancialCareers · London · £70,000 – £90,000 pa

Senior security architect and technical authority across a portfolio of projects, leading architecture reviews and advising on secure-by-design, cloud, network, infrastructure and application security controls. Involves threat modelling, risk and vulnerability assessments, oversight of penetration testing, mentoring practitioners and communicating risk to senior stakeholders, largely on government, defence and public-sector programmes.

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.