Head of Sites and Security

Thales Group; Oxford; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Private healthcare

Pension scheme

Life cover

28 days annual leave (plus bank hols)

Job summary

Thales Group in Oxford is seeking a Head of Sites and Security to lead Site Management, Health, Safety and Environment, and Security across Harwell facilities. You will drive day-to-day operations, coordinate external contractors, and ensure compliance with safety standards while maintaining robust security for personnel and assets.

The role requires overseeing real estate and security operations, managing budgets, and aligning local needs with Thales Group policies.

Qualifications

• Experience in facilities, site management, security or an operational role with transferrable skills.
• Solid understanding of Health and Safety, physical security and business continuity principles.
• Strong ability to manage contractors, service providers and internal stakeholders.

Responsibilities

• Overall accountable for day-to-day management of Office Space, Laboratories, Storage Facilities and Kitchen areas.
• Lead coordination of facilities management providers and contractors to deliver on time and within budget.
• Communicate site health, safety and security information to stakeholders including management and Harwell Campus.

Skills

Facilities mgmt

Security mgmt

HSE knowledge

Contractor management

BCM planning

Organisational skills

Job description

Head of Sites and Security### Head of Sites and SecurityApply: Hybrid: Oxford: Full time: Posted Today: End Date: October 31, 2026 (9 days left to apply): R0342637Location: Oxford, United KingdomThales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services.Join Thales Alenia Space UK in a key role safeguarding our sites, people and operations. We are recruiting for a Head of Sites and Security to join our Operations Management Team and lead critical areas of our business, spanning Site Management, Health, Safety and Environment (HSE) and Security. The successful candidate will oversee the effective management of the company’s Real Estate, primarily located in Harwell, Oxfordshire; and lead the day to day and strategic Security Operations of TAS UK. Governments and private industry rely on us to create satellite‐based systems that provide trusted, anytime‐anywhere connectivity and positioning—helping care for our planet, manage its resources thoughtfully, and explore our Solar System with curiosity and purpose. We view space as a new horizon for collective progress, shaping a more sustainable life on Earth. As a joint venture between Thales (67%) and Leonardo (33%), Thales Alenia Space partners with Telespazio through the Space Alliance to deliver a full suite of integrated solutions and services. **Main Responsibilities*** Overall accountable for the day-to-day management of Office Space, Laboratories, Storage Facilities and Kitchen areas, ensuring that maintenance and servicing of equipment and systems are carried out in accordance with contractual standards and business need* Lead on the coordination of facilities management providers and specialist contractors to deliver the agreed scope of work, on cost, on quality and on time* Communicate information relating to Site Management, Health and Safety, and Security to the relevant stakeholders, both internally and externally and including, but not limited to; Head of Operations and wider management team; Employees; Harwell Campus and contracted service providers* Ensure the business is operating in compliance with Health and Safety Legislation, supported by Thales Group; manage safe working conditions in all our facilities and oversee and verify risk assessments for activities* Coordinate and oversee the occasional logistics and movement of goods to support business operations* Support the management and tracking of company assets and inventory, ensuring accurate records are maintained and appropriate controls are in place* Lead Business Continuity Management (BCM) planning activities to ensure robust plans and processes are in place to strengthen business resilience and maintain operations during unexpected disruptions* Responsible for verifying the security status of employees; working closely with the Thales Security team to ensure all new starters are vetted to the appropriate clearance level and that records of clearance are received and maintained, in support of future project access requirements.* Responsible for the physical security standards of our Real Estate, ensuring doors and secure areas have appropriate locking mechanisms with electronic access control where required.* Management of the Site Security Budget and Facilities CapEx Budget, ensuring local business needs are aligned with the needs of Thales Group **Ideal Experience & Skills*** Experience in facilities, site management, security or an operational role with transferrable skills* A self-motivated and proactive approach with the ability to anticipate issues, identify opportunities for improvement and take ownership of actions through to completion* Experience working with contractors, service providers and internal stakeholders to deliver safe and effective site operations* Strong organisational and problem-solving skills, with the ability to manage multiple activities and competing priorities and adapt to changing business needs* A solid understanding of Health and Safety, physical security and business continuity principles with demonstrable experience in the application of these **Benefits*** Performance-related bonus* Half day every Friday, usually finishing around 13:00* 28 days annual leave (plus bank holidays) with opportunity to buy up to 40 hours/year (pro rata)* 24 hours volunteering paid for* Private healthcare* Pension scheme* Life cover* 24/7 Employee Assistance Program and access to mental wellbeing app* Employee discount shopping schemes on major brands and retailers* Gym membership discount**s** **Security Clearance Requirement:**Due to the nature of the work that we do at Thales, many of our roles are subject to security restrictions. This role requires Security Clearance (SC). It would be advantageous if currently held, however, if not currently held, it is a requirement that the successful applicant undergo, achieve, and maintain SC Clearance prior to commencing employment.To be eligible for full SC, you generally need to have resided in the UK for the last 5 years. In some circumstances, a minimum of 3 years’ residence in the UK over the last 5 years may be accepted, with additional overseas checks.Please visit the UKSV website for further guidance:https://www.gov.uk/government/publications/united-kingdom-security-vetting-clearance-levels/national-security-vetting-clearance-levels. #LI-DB1At Thales, we ensure equal opportunities, pay and working conditions for all. The benefits we offer include private medical insurance, buying or selling annual leave, cycle to work schemes, employee discounts, paid volunteering day, stocks and shares, annual bonus and much more depending on the role. Read more about our benefits here.