Cyber Security Jobs

165 jobs for “Defence”

Results

Senior Infrastructure Engineer (eDV)

4 days ago

QinetiQ Malvern

Designs, develops and delivers secure networking solutions across defence programmes, providing technical leadership through the full project lifecycle. Covers enterprise networking, Windows Server, virtualisation, Azure/AWS cloud and PowerShell or Python automation, working with project managers and stakeholders on secure, reliable infrastructure.

Hybrid Permanent Clearance Required

Naimuri - Information Security Officer

Last month

QinetiQ Manchester

Bridges compliance and hands-on technical security, managing ISO 27001 and Cyber Essentials Plus frameworks, running internal audits and third-party risk assessments. Also hardens AWS/Azure cloud environments, runs vulnerability scans and remediation, and supports incident response and identity/access management. Reports to the Head of Security in a Salford-based team.

Hybrid Permanent

Systems Administrator - Spacecraft Control Centre

3 weeks ago

Airbus Chippenham

Day-to-day administration of the Spacecraft Control Centre's Linux and Cisco-based command and control systems, including configuration, equipment swap-outs, and restoration of capability. Acts as lead engineer for deployment planning, testing, and patching of system upgrades across a multi-site SCOF network, liaising with customers on fault investigation. Requires in-date RHCSA and offers hybrid, flexible working.

Hybrid Permanent Clearance Required

Systems Engineer - Nuclear Hardening

4 months ago

Airbus Portsmouth

Systems engineering role focused on radiation and nuclear hardening for military fixed ground installations, spanning requirements elicitation, mitigation planning, test plans and architecture definition. You will lead customer and test house engagement, working with IS/IT specialists on end-to-end system lifecycles for defence communications equipment. Based on-site in Portsmouth with hybrid and flexible working, on stable long-term MOD, Government and SATCOM projects.

Hybrid Permanent Clearance Required

Senior Systems Integration & Test Engineer

3 weeks ago

Appcast Enterprise Whiteley £61,500 – £78,800 pa

Designs, develops and maintains manual and automated test scripts and reporting for a flagship National Security programme, using frameworks such as Katalon Studio, Selenium, SoapUI and JUnit. Analyses requirements and designs to build risk-based test approaches, working within hybrid Waterfall and Agile scrum teams alongside software and systems engineers.

Hybrid Clearance Required

Infrastructure & Cyber Security Specialist

Last week

Adecco Colchester £51,000 – £55,000 pa

Hands-on security role managing and enhancing controls across the IT infrastructure, covering incident response, threat detection, vulnerability management and compliance. You will work with Microsoft security tooling including Entra ID, Defender, Purview and Intune, support audits and frameworks such as NIST and ISO 27001, and help shape security strategy in a small collaborative IT team.

Remote Permanent

SOC Analyst

Last week

Experis Winchester £41,000 – £50,000 pa

Monitor, triage and investigate security alerts across SIEM and wider security tooling, identifying indicators of compromise and conducting initial incident investigations. Support the full incident response lifecycle including containment, remediation and post-incident learning, while tuning detection rules to reduce false positives. Work with security and infrastructure teams on threat intelligence, trend reporting and continual service improvement.

On-site Clearance Required

Cloud Security Engineer

Last week

Adecco Warwick £65,000 – £75,000 pa

Hands-on role securing enterprise cloud environments across Azure and GCP, covering vulnerability remediation, cloud security tooling, Microsoft Defender, Conditional Access and identity controls. Works with infrastructure and engineering teams to embed best practice, support governance and compliance, and contribute to incident response, with remote on-call expected within six months.

Hybrid Clearance Required

Cyber Security Engineer

3 weeks ago

Identify Solutions Swansea £45,000 – £55,000 pa

Hands-on role taking technical ownership of cyber security across a predominantly Microsoft environment, working with an infrastructure team and external SOC partners. Day to day involves assessing the estate for security gaps, hardening systems, operating Defender/XDR, EDR and Sentinel, managing Entra ID access controls, and responding to incidents and vulnerabilities.

Hybrid

SOC Analyst

Last month

Reed Technology Newcastle upon Tyne £35,000 – £45,000 pa

Investigating and responding to security incidents at 2nd Line level, monitoring customer environments and SIEM alerts, and threat hunting across a Microsoft security stack including Sentinel, Defender and Entra. Uses KQL and PowerShell for investigations and automation, acts as an escalation point for junior analysts, and supports vulnerability assessment and remediation. Initially on a 4-on, 4-off night shift pattern before moving to an 8-hour shift model.

Remote Shift-work

Cyber Security Engineer

Last month

Erin Associates Manchester £45,000 – £50,000 pa

Hands-on role strengthening an organisation's security posture and delivering initiatives across its Cyber Security Roadmap. Day to day involves managing Microsoft Defender, Intune, Entra ID and Microsoft 365 security controls, supporting vulnerability remediation, alert triage and incident response, and maintaining Cyber Essentials and CIS Controls compliance.

Hybrid

Cyber Security Engineer

3 weeks ago

Yolk Recruitment Cardiff £62,000 – £72,000 pa

Hands-on security engineering role focused on building and improving controls across a Microsoft-centric estate, including Defender, Sentinel, Azure and Entra ID. Involves vulnerability management, data protection with Purview, incident response support and embedding security into projects, with influence over strategy rather than pure SOC operations.

Remote

Security Engineer

Last month

CPS Group Cardiff £40,000 – £45,000 pa

Client-facing technical role in a Microsoft-focused security partner's Cyber Security Delivery Team, acting as a trusted point of contact for customers. Day to day involves tuning Defender and Entra controls, building KQL detections in Microsoft Sentinel, running phishing simulations and vulnerability scans, and supporting incident response and reporting.

Hybrid

Cyber Security Engineer

Yesterday

Found Talent Manchester £60,000 – £75,000 pa

Hands-on security engineering role centred on the Microsoft and Azure security stack, covering Defender, Sentinel, Entra, Purview and Azure. The engineer owns security controls, detection rules, telemetry, alerting, automation and response workflows, and helps embed security into delivery processes while contributing to emerging AI security capabilities.

Security Architect

Last week

Randstad Technologies Recruitment Birmingham £300 – £400 pd

Lead a six-month AI and digital platform security initiative, defining controls and guardrails for GenAI and machine learning across global operations. Architect defences spanning AWS, Azure, hybrid and on-prem environments, aligning with NIST and ISO 27001 while mentoring a senior team of security architects and advising C-suite stakeholders.

Hybrid Contract

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