Cyber Security Assurance Specialist – 11927AC

Proactive IT; West of England; Hybrid; GBP 74,000 - 83,000; Full time

Job summary

Proactive Appointments Ltd. seeks a Cyber Security Assurance Specialist for a contract role in the UK. The position requires current SC clearance and is outside IR35, with a hybrid pattern—3 on-site days per week in Oxfordshire and remaining days remote.

The candidate will design secure infrastructure, conduct risk assessments, and support Gov assurance activities, audits, and remediation efforts within a modern security program.

Qualifications

• Security certifications required.
• Demonstrable risk assessment experience.

Responsibilities

• Design and implement secure infrastructure or cloud architectures.
• Lead risk assessments and maintain enterprise risk registers.
• Support security audits and remediation plans.
• Interpret CVEs, CVSS scores and threat intel.
• Communicate risk to non-specialists and stakeholders.

Skills

CCP

SIRA

CISSP

SSCP

CISM

CRISC

CCSP

SABSA

GIAC GSEC

GIAC GCCC

GIAC GCPM

Secure infrastructure design

Risk assessment

Gov Assure/CAF/ISO27001

Cyber/NIST frameworks

CVEs/Threat intel interpretation

Stakeholder communication

Tools

Entra ID (Azure AD)

Microsoft 365 E5

Azure IaaS/PaaS

Windows

Linux/Unix

SIEM

EDR/XDR

Vulnerability management

Job description

11927AC
£400 – 450 per day

Our client is urgently looking for an experienced Cyber Security Assurance Specialist to join their team on a contract basis, initially for 6 months with a view to extend.

Please note:

• The role is OUTSIDE of IR35
• The role requires CURRENT SC Clearance
• The role is Hybrid, with 3 days on-site each week in Oxfordshire

Cyber Security Assurance Specialist – Key Skills:

• Security Assurance certifications such as CCP, SIRA
• Security certifications such as CISSP, SSCP, CISM, CRISC, CCSP, SABSA, or SANS GIAC (GSEC, GCCC, GCPM).
• Demonstrable experience in designing and implementing secure infrastructure or cloud architectures.
• Proven experience with risk assessment methodologies and maintaining enterprise risk registers.
• Working knowledge of risk assessment methodologies (e.g. ISO 31000, FAIR, OWASP risk rating).
• Strong understanding of Gov Assure, CAF, ISO 27001, Cyber Essentials, and NIST frameworks.
• Experience conducting or supporting security audits and implementing remediation plans.
• Proficiency in assessing and securing platforms such as Entra ID (Azure AD), Microsoft 365 E5, Azure IaaS/PaaS, Windows/Linux/Unix.
• Strong knowledge of security tooling such as SIEM, endpoint detection (EDR/XDR), and vulnerability management platforms.
• Hands-on experience with policy development, access control models (RBAC, ABAC), and logging standards.
• Experience supporting assurance activities or government-mandated reviews (e.g. GovAssure, Secure by Design).
• Ability to interpret CVEs, CVSS scores, and threat intelligence feeds.
• Strong stakeholder engagement and communication skills with an ability to produce technical reports and articulate risk to non-specialists.
• Excellent written and verbal communication skills with the ability to present to senior stakeholders.

Cyber Security Assurance Specialist – SC Cleared – Outside IR35 – Hybrid

Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted.

Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation

We take our obligations to protect your personal data very seriously. Any information provided to us will be processed as detailed in our Privacy Notice, a copy of which can be found on our website http://proactive.it/privacy-notice/