Job Title: Security Advisor
Location: Warrington, Cheshire + Hybrid Working Arrangement
Compensation: Attractive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF
Safeguarding People, Programmes and National Security – Your Career Starts Here
At Cavendish Nuclear, we’re working to create a safe and secure world, together. If you join us, you can play your part as a Security Advisor at our Warrington, Cheshire site.
The role
As a Security Advisor, you play a vital role in protecting people, information and critical infrastructure within a major national defence programme. Supporting the Head of Security and wider security team, you help ensure security processes operate smoothly, compliantly and effectively across a highly regulated environment.
The role is 37 hours per week, Monday to Friday, and is based at our Warrington site. Hybrid working patterns are available, and some travel to other Cavendish Nuclear, Babcock and customer sites will be expected.
Day-to-day, you’ll be required to:
1. Providing personnel security advice in line with current HMG and company security policy
2. Managing security clearance processes, including upgrades, transfers and access requests
3. Maintaining accurate security records, spreadsheets and compliance data using Microsoft Excel
4. Coordinating starters, leavers, site access and visitor processes across secure facilities
5. Supporting audits, training compliance and general administration for the Security team
Essential experience of the Security Advisor:
6. Experience in an administrative, coordination or support role within a structured environment
7. Strong working knowledge of Microsoft Excel and Microsoft Office applications
8. Excellent written and verbal communication skills
9. High attention to detail with the ability to manage data accurately
10. Ability to work independently while contributing positively to a team environment
Qualifications for the Security Advisor:
11. Membership with the Defence and Security Industry Association (DISA) or the Security Institute is highly desirable
12. We value difference and don’t have a fixed idea when it comes to background or education, provided you can show the required level of experience and willingness to learn then we would like to hear from you
Security Clearance
The successful candidate must be able to achieve and maintain Security Check (SC) security clearance for this role. Further details are available at
What we offer
13. Generous holiday allowance
14. Matched contribution pension scheme, with life assurance
15. Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
16. Employee share scheme
17. Employee shopping savings portal
18. Payment of Professional Fees
19. Reservists in the armed forces receive 10-days special paid leave
20. Holiday Trading is a benefit that allows UK Cavendish employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually.
21. ‘Be Kind Day’ enables employees to take one working day's paid leave a year (or equivalent hours) to undertake volunteering work with their chosen organisation or registered charity
22. Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.
Cavendish
We’re Cavendish Nuclear — a team of c5, specialists and a core part of