Security Controller

Location

Edinburgh

£55-65K per annum (or pro‑rata) + pension scheme and discretionary bonus

Full time or part time;
Permanent

Friday 13 February 2026

See Byte, global leader in smart software for uncrewed maritime systems, is recruiting a Security Controller to join their team in Edinburgh
.

You will have a unique opportunity to play a significant role in a dynamic and world‑respected technology company within the exciting field of robotics, with clear development, training and career progression opportunities provided. This is a fantastic opportunity to work for an innovative and forward‑thinking company with an international client base.

• Competitive salary, discretionary bonus and shared employee / employer contributory pension scheme
• Generous holiday entitlement with the option to buy additional holidays after 1 year of service
• Travel compensation scheme
• Clear development, training and career progression opportunities
• Flexible Working Policy
• Opportunities to travel to great locations worldwide to work with robots
• External, online training courses and in‑house training
• Offices in the centre of Edinburgh or in Bristol, two great cities to live and work
• Free access to a gymnasium
• On‑site parking
• Enhanced family friendly policies
• Showers, lockers, swipe access internal bike store
• Travel season ticket loan
• Annual company day out
• Cycle to Work Scheme and Travel season ticket loan. See Byte also supports an EV leasing scheme.

As a Security Controller, you will be responsible for safeguarding government and company information while protecting employees, information, infrastructure and facilities. You will play a critical role in maintaining compliance with UK Government Standard GOVS 007 and other security frameworks, administering and continuously enhancing the Information Security Management System, fostering a strong security culture, and providing expert guidance to project teams on security‑related matters.

• Implement and maintain robust security policy, processes and data protection measures, ensuring organisational compliance with government standards such as GOVS 007, supporting personnel security clearance and vetting, promoting a strong security culture, and contributing to risk management and mitigation initiatives.
• Collaborate effectively with internal teams and external stakeholders to coordinate security activities, specify security requirements, maintain records, deliver security training, promote security awareness, and support organisational security objectives.
• Oversee the full lifecycle and security management of classified physical and digital assets, including procurement, inventory control, secure storage, distribution, disposal, policy compliance, auditing, incident response and liaison with internal and external stakeholders.
• Engage with the UK defence security community, adopting best practice and driving organisational change across the business.

This role requires a strong background in security management, ideally within a UK defence contractor, the Ministry of Defence (MOD), or other government agencies. You should be confident advising on security matters and ensuring compliance across the organisation, and able to conduct technical conversations with project teams to surface and mitigate security risks.

• Extensive experience in security management within MOD, defence or other government environments.
• Strong understanding of MOD/ISO security frameworks, policies and best practices.
• Ability to interpret and apply security legislation and compliance requirements efficiently.
• Excellent communication skills to engage with teams at all levels.
• Rapid digestion of new information and technical competence to grasp complex projects.
• Must hold, or be eligible for, a Security Check clearance.

• Prior experience of US Government security governance and compliance would be an advantage.
• Prior experience in Export Control, dual‑use items and ITAR compliance.

• High integrity, discretion, trustworthiness and ability to work both…