2 of 2 Permanent Senior Security Engineer Jobs in Hampshire

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 respond faster. Key responsibilities: Engineer and maintain SIEM, EDR, SOAR, and logging platforms. Develop automation and integrations using scripting or API connections. Tune detection use cases and 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 fundamentals. Desirable: Experience with SOAR tools or Infrastructure-as-Code (Terraform, Bicep, ARM). Knowledge of MITRE ATT&CK mapping or threat detection frameworks. What’s in it More ❯

Portsmouth - hybrid (2-3 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 … intelligence, and logging infrastructure). Develop and optimise detection use cases, correlation rules, and analytics content. Build and maintain automation workflows and integrations using automation platforms or custom scripting. Engineer secure log ingestion pipelines across hybrid cloud and on-prem environments. Support client onboarding, threat hunting, detection engineering, and process improvements. Mentor junior engineers and maintain documentation, diagrams, and More ❯