IT Cyber Security Architect

Come and join the Littlefish team!

• Work location:
  
  Remote
• Salary:
  Up to: £50,000
• MustbeeligibleforSCClearance(UKresidentforthelast5years)

Here at Littlefish, we look for people who can make areal difference and become a giant slayer.

As the world around us continues to change, we look for people who grab that change with optimism and excitement. Theseare the passionate and high performingpeoplewho enjoy and thrive on thinking outside the box.

Our current employees are the giant slayers who have made Littlefish who we are today, and you will be the future employees who continue to add the drive, passion, andadd toour skills and experience as we see Littlefish grow.

So, if this is ticking your boxes and you are excited at the thought of working with creative, passionate, energetic, friendly people- we would love to hear from you.

We’re looking for an experienced Cyber Security Architect to join Littlefish Group and take a leading role in shaping, assuring and defending security architecture across complex, high-profile customer environments.

This is a hands-on architecture role with genuine technical authority. You’ll own security design decisions within your assigned areas, influence programme direction and represent Littlefish Group at Change Advisory Boards and design authority forums.

A key part of your work will support Project North Star, where Littlefish Group holds technical security and design authority responsibilities for the NHS Electronic Staff Record platform and the NHS Business Services Authority’s Future Workforce Solution. You’ll also work across our wider managed security and consultancy services, helping customers assess risk, strengthen their security posture and implement effective controls.

You’ll work alongside fellow security architects and consultants to:

• Own security architecture, design assurance and technical risk positions across your assigned areas.
• Shape and maintain security architecture principles, patterns, standards and roadmaps.
• Assess design options, manage risk-based trade-offs and produce clear architecture decision records.
• Review and assure solution designs, integrations and third-party components.
• Conduct threat modelling and identify proportionate remediation where designs do not meet required standards.
• Represent Littlefish Group at CAB and design authority forums, assessing changes for security impact.
• Shape Microsoft Sentinel architecture across complex customer environments.
• Produce high and low-level security designs, control mappings and technical decision records.
• Deliver security assessments, architecture reviews, and Microsoft 365 and Azure posture reviews.
• Design and implement layered security controls from initial requirements through to testing and handover.
• Provide technical escalation, mentoring and guidance to CSOC and project engineering teams.
• Support pre-sales activity and contribute reusable security designs, standards and playbooks to the Littlefish Group service catalogue.

You’ll be an experienced security professional who is comfortable making informed technical decisions and explaining and defending those decisions under scrutiny.

• Proven experience in security architecture, security consultancy or senior security engineering.
• Experience acting as a Security Architect, technical security authority or design lead within a large, complex programme.
• Strong hands‑on experience with Microsoft Sentinel and the Microsoft Defender suite.
• Experience of security and change governance, including CAB, design authority or equivalent forums.
• The ability to produce security designs, diagrams and decision records suitable for customer assurance,…