Dewislen

Level 3 Cyber Security Engineer

Manylion swydd
Dyddiad hysbysebu: 11 Chwefror 2026
Oriau: Llawn Amser
Dyddiad cau: 13 Mawrth 2026
Lleoliad: W2 6BD
Gweithio o bell: Ar y safle yn unig
Cwmni: Capita plc
Math o swydd: Parhaol
Cyfeirnod swydd: 10116604-42284

Gwneud cais am y swydd hon

Crynodeb

Level 3 Cyber Security Engineer

Location: Home-based (UK)

Contract: Permanent, Full-time (37.5 hour)

Help shape the future of security engineering at Capita.

We're looking for a Level 3 Cyber Security Engineer who enjoys solving complex problems, improving processes, and building secure systems that make a real impact. If you thrive in a hands on technical role and enjoy collaborating with others, we'd love to hear from you.

At Capita, we live by our values: Customer First, Always; ‍ Fearless Innovation; ✅ Achieve Together; Everyone is Valued.

These guide how we work, collaborate, and deliver exceptional results.

Eligibility for SC clearance required Required Qualifications

• Experience with SecDevOps and automation.
• Experience managing enterprise security tooling and SIEM integrations.
• Experience using scripting or query languages.
• Experience with cloud platforms such as Azure, AWS or Google Cloud.
• Experience working with containerisation technologies (e.g., Kubernetes).
• Knowledge of security frameworks such as MITRE ATT&CK, ISO27001, SOC2, NIST or NIS-D.
• Experience onboarding, tuning, reporting or configuring SIEM solutions.
• Understanding of networking and infrastructure design.

Preferred Qualifications

• Experience mentoring or supporting junior security engineers.
• Experience with Microsoft-focused security technologies.
• Experience contributing to architectural design or onboarding new security systems.
• Experience developing monitoring rules, automation workflows, or configuration changes.

About You

• You communicate clearly with colleagues across technical and non‑technical backgrounds.
• You collaborate effectively with stakeholders at various levels.
• You enjoy working with others to address security challenges.
• You can simplify complex information and communicate it clearly.
• You are proactive and comfortable working in a dynamic security environment.

What You'll Be Doing

• Designing, implementing, and optimising advanced security solutions and integrations.
• Monitoring cyber security trends and threat intelligence to inform our engineering approach.
• Providing support, guidance, and mentoring to Level 2 Security Engineers; acting as a point of escalation when required.
• Leading advanced alert analysis, baseline reviews and tuning use cases to improve detection quality.
• Supporting incident and major incident response activities, including identification, containment, and remediation.
• Providing timely guidance on deploying relevant use cases during events and incidents.
• Driving continuous improvement across processes, procedures, and automation.
• Developing and enhancing monitoring rules, automation workflows and configuration changes, with a focus on Microsoft security technologies.
• Working with internal teams and clients to ensure a coordinated approach to security engineering.
• Contributing to architectural design and the onboarding of new security systems, including log source integrations and use case development.

How this role aligns to our Values

Customer First Always - Your work strengthens our clients' security, ensuring reliable protection and a trusted experience.
Fearless Innovation - You'll have space to experiment, automate and improve how we detect and respond to threats.
Achieve Together - Collaboration is key. You'll work closely with SOC colleagues, engineers and stakeholders to solve complex challenges.
Everyone is Valued - We're an inclusive team where all perspectives matter. We welcome applicants from all backgrounds and offer adjustments throughout the recruitment process.

Join Capita - Where Innovation Meets Opportunity

Capita is a dynamic leader in consulting and digital services, helping some of the UK's most recognised organisations transform and thrive. We use cutting-edge technology and fearless innovation to create smarter, more efficient solutions that make a real difference. Our work spans diverse sectors-government, healthcare, education, and finance-offering you the chance to contribute to projects that impact millions of lives. At Capita, you'll be part of a collaborative, forward-thinking team that values creativity, growth, and inclusion.

We're committed to your development and success, providing opportunities to learn, progress, and shape better outcomes for customers and communities. If you're ready to make an impact and grow your career, Capita is the place for you. Check out our website www.capita.com

What's in it for you?

Remote working- work from wherever you're happiest in the UK
Competitive salary
23 days' holiday, rising to 27 (pro rata) - plus the option to buy more after qualifying period
• ❤️ Paid volunteering day with a charity of your choice
• Generous family leave policies - including 15 weeks' fully paid maternity, adoption, and shared parental leave
• ‍♀️ Cycle2Work scheme, pension, life assurance, and more

Customer first, always ‍ Fearless innovation ✅ Achieve together Everyone is valued

What we hope you'll do next:

Choose 'Apply now' to fill out our short application, so that we can find out more about you.

We are committed to building a workforce that reflects the diversity of the communities we serve. As part of our strategic goals, we are focused on accelerating gender and ethnic representation in leadership roles. We warmly encourage applications from women and individuals from Black, Asian, and other ethnic minority backgrounds.

We're an equal opportunity and Disability Confident employer, which means we recruit and develop people based on their merit and passion. We're committed to providing an inclusive, barrier-free recruitment process and working environment for everyone. If you need the job description or application form in an alternative format (such as large print or audio), or if you'd like to discuss other changes or support you might need going forward, please email reasonableadjustments@capita.com and we'll get back to you. For more information about equal opportunities and process adjustments, please visit the Capita Careers website.

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