Senior Information Systems Security Specialist

Senior Information Systems Security Specialist - Berkshire (Hybrid) - Circa £75K

**Security Clearance Required**

We're seeking a Senior Information Systems Security Specialist to provide expert oversight, advice, and guidance on all aspects of information security. This is a fantastic opportunity to play a vital role in ensuring sensitive & classified information assets are managed with the highest level of assurance.

Key Responsibilities:

• Deliver expert analysis of risks to information systems to support informed decision-making.

• Advise senior leadership and IT management on security strategies and best practices.

• Guide IT projects with timely and accurate technical security advice.

• Contribute to and develop the organisation's overall security architecture and controls.

• Promote a strong culture of safety, quality, and high professional standards.

Your Day-to-Day Will Involve:

• Working with internal teams and suppliers to assess and mitigate information risks.

• Leading on information assurance and staying up to date with HMG, MoD, and industry best practices.

• Supporting solution architects in applying secure design principles and ensuring compliance.

• Overseeing vulnerability assessments and coordinating formal system accreditations.

• Acting as a key interface with government technical authorities.

What We're Looking For:

Essential:

• CISSP or equivalent.

• CESG Certified Professional (CCP) - SIRA, Accreditor, or IA Architect (or similar).

• Eligibility to obtain and maintain high-level UK security clearance.

Desirable:

• Senior CESG certification (SCCP).

• ISO 27001 Lead Auditor or Implementer.

• Membership with a relevant professional body such as MInstISP.

• Strong experience with HMG, MoD, or other regulated environments.

**Security Clearance Required**