Information Security Advisor – Interim/Contract

Contract Length: 12 months

Location: Salisbury – 4 days/week on site (no flexibility on site attendance)

Security Clearance: Active DV clearance required + Sole UK national (no flexibility on clearance)

IR35 Status: Inside IR35 (Umbrella or PAYE)

About the Role

We’re recruiting on behalf of a high-profile UK Government defence and science organisation for an experienced Information Security Advisor to support the CISO function, reporting largely to the Deputy CISO.

This is a critical, hands-on advisory role within a secure defence environment, combining technical leadership on network and application security testing with strategic input into risk-based security decision-making across the organisation.

Key Responsibilities

• Lead network and application testing and subsequent remediation activity, working closely with IT suppliers and assurance leads
• Support the generation and review of security policy and process documentation
• Provide cyber security advice and best practice guidance to the wider security community
• Support security practitioners within the Operations area, translating CISO strategic direction into pragmatic, risk-balanced decisions
• Advise on Cyber Risk Assessments and Cyber Improvement Plans

Essential Experience

• Strong knowledge and experience of multi-site IP-based networks – their operation, protection and monitoring
• Experience securing public cloud infrastructure and/or operational technology (OT)
• Excellent written and verbal communication skills, with the ability to convey complex technical ideas clearly and succinctly
• Sound decision-making based on business and security risk
• Prior exposure to operating within a secure/defence environment
• Direct experience producing or contributing to Cyber Risk Assessments and Cyber Improvement Plans

Clearance & Eligibility

• Active DV (Developed Vetting) clearance is essential – this cannot be sponsored during the process
• Candidates must be Sole UK nationals
• This organisation supports inclusive hiring, including the Disability Confident Scheme and the Armed Forces Covenant – candidates eligible under either scheme are encouraged to make this known during the application process

CV Deadline: Monday 16th November, 12pm

(Please note: this deadline may be brought forward at short notice if sufficient strong applications are received)