At Affinity Water, protecting our people, product, and places is vital to keeping water flowing safely to millions of customers. We’re looking for a Security Engineer to join our dedicated Security Team, taking ownership of the systems and infrastructure that safeguard over 450 operational sites across our network.
This is a varied and impactful role where you’ll work directly with security systems, respond to incidents, and partner with both internal teams and external contractors to ensure our sites remain compliant, resilient, and secure.
What you’ll be doing:
1. Maintaining and troubleshooting security assets including CCTV, security management systems, and alarms – responding quickly to faults and resolving issues
2. Acting as the technical lead and key liaison between IT, OT, contractors, and site teams
3. Installing and commissioning CCTV and new security infrastructure at operational sites
4. Conducting security audits and risk assessments, identifying vulnerabilities, and recommending improvements
5. Overseeing third-party security maintenance contracts and auditing performance
6. Managing lifecycle planning for security assets, ensuring replacements and upgrades are scheduled
7. Delivering training to colleagues and supporting security exercises
8. Supporting with access control systems, locks, keys, and compliance requirements
9. Providing technical input to new projects requiring physical security measures
What we’re looking for:
10. NIS Gold registered, 18th Edition Electrical, or willingness to work towards qualifications
11. Experience with security systems installation/maintenance (CCTV, access control, alarms, or similar)
12. Familiarity with IT/OT environments and systems, or enthusiasm to develop in this area
13. Confident working with systems such as Vanderbilt SPC, Milestone, Pelco, Cortech, Sentinor, and Commend (training provided where needed)
14. Strong problem-solving skills with the ability to prioritise tasks under pressure
15. Excellent communicator, able to engage with technical and non-technical stakeholders
16. Full driving licence and flexibility to travel to operational sites
Why join us?
This role gives you the chance to make a real difference by protecting the infrastructure that delivers life’s most essential resource. You’ll gain exposure to critical security technology, develop specialist expertise, and play a key part in safeguarding our people, communities, and water supply.
If you’re motivated by protecting what matters and want to grow your career in a supportive, hands-on security role, we’d love to hear from you.
Benefits:
17. Salary £40,000 - £45,000 per annum. Dependant on skills and experience
18. Company Car - level 3
19. Learning and development opportunities, including mentoring and a range of formal courses and open learning resources.
20. Entry into the company annual bonus scheme.
21. Annual leave from 23-27 days rising with length of service, and the option to purchase up to 5 extra days.
22. A ‘Celebration Day’ in addition to public holidays that people can use to celebrate a religious festival or other occasion that is important to them.
23. A generous 'double match pension scheme' that doubles the contributions you make (company contribution capped at 12%)
24. We offer a range of family benefits including enhanced Maternity, Adoption, Paternity, Shared Parental Leave, Fertility Support Leave and up to 5 full or 10 half days of paid Carers Leave.
25. Menopause policy and Reasonable Adjustment policy to help everyone perform at their best.
26. Access to our Wellbeing Centre with support for looking after your physical and mental health.
27. Discounts at a Range of Retail Outlets and on Dental and Medical Insurance through our Tap4Perks scheme.
28. Up to 4 Affinity days a year to volunteer in the community.
29. Life Assurance.
30. Disability confident: if you need to apply in a different format, please contact us