3 of 3 Permanent Security Operations Jobs in Portsmouth

days on-site per week) Permanent Up to £78,500 + bonus This is a prime opportunity to design and engineer the core platforms behind a rapidly growing Security Operations Centre (SOC), blending hands-on technical work with automation and solution design. You’ll collaborate with analysts, architects, and customers to build reliable, scalable systems that accelerate threat … detection and response, all in a collaborative culture that invests in your growth, wellbeing, and career progression. Job Title: Senior Security Engineer Job Type: Permanent Salary: Up to £78,500 (DOE) + Bonus Working arrangement: Hybrid Office Location: Portsmouth As a Senior Security Engineer, you will: Design, deploy, and maintain core SOC technologies (SIEM, EDR, SOAR, threat intelligence … Support client onboarding, threat hunting, detection engineering, and process improvements. Mentor junior engineers and maintain documentation, diagrams, and standards. Required Experience/Skills: 5 years’ experience in a SOC, security engineering, or cyber operations role. Strong hands-on experience with SIEM or EDR platforms (e.g., Microsoft Sentinel, Splunk, Defender, CrowdStrike, Elastic). Expertise in building and tuning detection More ❯

Senior Security Engineer – Detection & Automation Here’s a great opportunity for a hands-on Senior Security Engineer who enjoys building, optimising, and automating SOC infrastructure. This role sits within a growing Cyber Defence operation where you’ll help design and maintain the platforms behind SIEM, EDR, SOAR, and threat intelligence tooling, improving detection coverage and enabling analysts to … improve visibility across cloud/on-prem environments. Support client onboarding and configuration alignment. Mentor junior engineers and analysts. You’ll bring: 3–5 years’ experience in SOC or security engineering. Strong knowledge of platforms such as Sentinel, Splunk, Defender, or Elastic. Scripting/automation ability (PowerShell, KQL, Python, etc.). Understanding of Azure/AWS cloud and network … detection frameworks. What’s in it for you: Flexible hybrid working, paid certifications, great progression into consultancy or leadership, and a genuinely collaborative environment. If you love improving how security operations work and want to be part of a team building a next-generation SOC, this one’s for you. More ❯

Senior Security Analyst – SOC/Incident Response I’m partnering with a fast-growing Cyber Defence function that’s strengthening its Security Operations Centre and looking for a talented Senior Security Analyst to join the team. You’ll take a leading role in detecting, analysing, and responding to cyber threats across diverse client environments, mentoring junior … a SOC, CSIRT, or cyber defence environment. Solid knowledge of SIEM and EDR platforms (Sentinel, Splunk, Defender, CrowdStrike, etc.). Understanding of MITRE ATT&CK and network/cloud security principles. Strong analytical and communication skills. Bonus points for: Scripting or automation experience (KQL, PowerShell, Python). Background in threat hunting or vulnerability management. Why apply? Hybrid flexibility, funded More ❯