Cyber Security Jobs in Southampton

Senior Platform Engineer - Defence / National Security

This role involves designing, building, and supporting secure AWS cloud platforms for Defence and National Security programmes. You will work closely with architects and security specialists to deliver scalable, reliable cloud services, automate CI/CD pipelines, and mentor junior engineers in a complex, secure environment.

SR2 Corsham, Wiltshire, SN13 0HB, United Kingdom £70,000 – £80,000 pa

On-site Permanent Clearance Required

SBD Specialist - Secure By Design

The SBD Specialist will work on a UK MOD project, focusing on embedding security principles into system and solution design. Key responsibilities include conducting security design reviews, developing security architectures, threat models, and risk assessments, and ensuring compliance with MOD and UK Government security standards. The role involves close collaboration with architects, engineers, and security teams to integrate security into Agile and DevSecOps environments.

CBSbutler Holdings Limited trading as CBSbutler Andover, Hampshire, United Kingdom £500 – £550 pd

Hybrid Contract Flexible Clearance Required

Cyber Security Assurance Specialist

Cyber Security Assurance SpecialistLocation: Culham, Oxfordshire (2–3 days onsite per week)Contract Length: Until 18 December 2026Rate: £55 per hour (Umbrella)IR35 Status: In ScopeSecurity Clearance: Active SC (or lapsed within last 24 months) – mandatoryCV Deadline: Tuesday 28th at 12:00About the...

GTC Recruitment Culham, Oxfordshire, OX14 4LY, United Kingdom £50 – £55 ph

Hybrid Contract Clearance Required

Senior Azure Platform Engineer - MOD/Defence - SC

Senior Azure Platform Engineer - MOD/Defence - UK Security Clearance Required£70-80k + benefitsFarnborough (Hybrid 2-3 days on site)SC ClearanceBuild platforms that have to work. Every time.This role sits in a space where engineering standards are high, MOD and Defence environments...

Talent Locker Farnborough, Hampshire, GU14 7JT, United Kingdom £70,000 – £80,000 pa

Hybrid Permanent Clearance Required

Security Architect

Security ArchitectCorsham | Up to £85,000 + bonus + benefits | Hybrid (up to 3 days onsite)SC clearance required (or eligible)We're hiring a Security Architect with strong cloud experience to support high-assurance programmes across Defence and central government. You'll play...

Experis Corsham, Wiltshire, SN13 0HB, United Kingdom £75,000 – £85,000 pa

Hybrid Permanent Clearance Required

Senior Security Engineering Consultant - Fully

Senior Security Engineering Consultant (121lw) Remote - £90,000- £100,000pa + BenefitsAre you an experienced cyber professional from a military or defence background looking to step into a more consultative, project-led role?We’re supporting a rapidly growing cyber security organisation that is...

Ex-Mil Recruitment Ltd Basingstoke, Hampshire, United Kingdom £90,000 – £100,000 pa

Remote Permanent Clearance Required

Network & Security Engineer (Remote/South East)

Network & Security Engineer (119lw) - Hybrid (Remote/South East) - £50,000-£55,000pa + BenefitsAre you a technically strong Network & Security Engineer with a passion for Palo Alto technologies? Do you thrive in fast-paced environments where teamwork, precision, and continuous improvement...

Ex-Mil Recruitment Ltd Basingstoke, Hampshire, United Kingdom £50,000 – £55,000 pa

Hybrid Permanent Clearance Required

Corporate Account Manager, UK

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native...

CrowdStrike Reading, United Kingdom £40,000 – £60,000 pa

On-site Permanent

SOC Analyst - 24/7 Secure Operations (Public Sector)

SOC Analyst - 24/7 Secure Operations (Public Sector)⚠️ IMPORTANT ELIGIBILITY REQUIREMENT You must be a UK National with a minimum of 5 years' continuous UK residency to be considered for this role.Rate: £250-£300 per shift (Inside IR35) Shift pattern: 4...

Hays Technology Winchester, Hampshire, United Kingdom £250 – £300 pd

On-site Contract Shift-work Clearance Required

Solution Architect

Solution ArchitectLocation: Durrington, Worthing (Hybrid working arrangements, on site presence will be required)Rate: £800 per day (Inside IR35)Contract Length: Initial 6 months (expected to extend to 12 months)We are recruiting an experienced Solution Architect on behalf of our leading utilities...

Adecco Worthing, West Sussex, United Kingdom £800 pd

Hybrid Contract Flexible

Senior Internal SOC Analyst

Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI.The...

Darktrace London, UB8 1LQ, United Kingdom

Account Executive

As an Account Executive at Darktrace, you will own the full sales cycle for enterprise and mid-market accounts, from identifying opportunities to closing deals. You will collaborate with partners, present Darktrace's AI-driven cybersecurity solutions to CISOs and security experts, and attend industry events. The role involves significant interaction with technical teams and key stakeholders, supported by a dedicated SDR team for lead generation.

Darktrace London, UB8 1LQ, United Kingdom

Hybrid Permanent

Manager, Corporate Sales Engineering (BeNeLux)

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native...

CrowdStrike Reading, United Kingdom

Customer Development Representative, UK

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native...

CrowdStrike Reading, United Kingdom

Senior DevOps Engineer

Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI.The...

Darktrace London, UB8 1LQ, United Kingdom