Assurance Analyst

Job title Assurance Analyst  Division Asset Operations & Capital Delivery Location Hybrid - Kemble Court - RG2 6AD
Contract type Permanent Full/Part-time Full-time Hours 36 hours per week Salary Offering up to £48,000 per annum depending on experience and skills Job grade B Closing date 09/11/2026

We are currently recruiting an Assurance Analyst to join our Security Control Centre (SCC).

Forming part of the Protective Security Team, you will be supporting the performance of physical security across Thames Water, ensuring our critical assets are secure. As the SCC Assurance Analyst, you will work within our Security Control Centre (SCC), which continuously monitors the security of our estate. The SCC is connected to remote sites through multi-face communications such as Video Surveillance Systems (VSS), Intruder Detection Systems (IDS), Electronic Access Control (EAC), ADSL line, etc.

The reports and insights generated will directly feed into our compliance requirements, e.g. Protective Security Guidance (PSG), Water UK Security WUKSS and SEMD.

• Create, upkeep and present reports that demonstrate compliance with legal requirements, including reports and requests from government agencies such as DWI or DEFRA.
• Ownership of system health, working with large data sets drawn from a number of sources to identify trends and drive system compliance.
• Design and create dashboards to present key information in an easy-to-understand format.
• Input into ESS contractor performance meetings and reports, using data insights to improve our utilisation of the third-party.
• Support continuous improvement activity, using data insights to inform and identify opportunities for operational and process improvements.
• In collaboration with the Security Systems Lead, oversee maintenance requests and faults ensuring the functionality of the AMC is maintained.
• Support the SCC upgrade project to ensure the successful delivery of ESS systems.
• Develop key relationships with internal and external stakeholders. Specifically, using data analysis to agree and inform the strategic development of the IT Systems and security equipment deployed on sites and in the SCC.
• Responsible for delivering agreed security KPIs and adhering to agreed SLAs.

The successful candidate will be required to undertake UK National Security Vetting (NSV) Counter Terrorism Check (SC) clearance before starting in this role.

Candidates must either hold active CTC clearance or be willing and eligible to undergo the vetting process. To meet the eligibility criteria, you must typically have been a continuous resident in the UK for the last 5 years and hold a valid passport.

Location – Kemble Court, Reading.

Working 36 hours per week.

• A degree or equivalent within an analytical field (e.g. Science, Maths, Geographical disciplines) or substantial work experience in a similar type of role.
• Role subject to national security clearance when in post. (NSV to CTC)
• Data, analytical, and Insight experience with strong numeracy and analysis skills.
• Experience in a related discipline (i.e. Business or Data Analyst) and a willingness to develop into a security role.
• Experience in developing and writing reports, good written communication skills.
• Strong negotiation and people influencing skills. Ability to communicate at all levels, present to an audience and build strong relationships.
• Office/Microsoft systems incl. Excel, PowerPoint, and Word.
• Data analytical tools, e.g. Excel, Power Query, SQL and Power BI.

• Offering up to £48,000 per annum, depending on experience and skills.
• 26 days holiday per year, increasing to 30 with the…