IT Security Officer

Salary: £65,000 - 65,000 per year

Requirements:

• Experience in information security, cyber security, secure operations, security assurance or a related technical security role.
• Experience working with classified, regulated, defence, government or similarly sensitive environments.
• Understanding of MoD and other UK government security policy and frameworks.
• Knowledge of security control frameworks and risk management practices.
• Practical understanding of security risk assessment, residual risk, risk acceptance and non-compliance management.
• Experience supporting security architecture, design reviews or technical security decision-making.
• Experience reviewing security governance for project delivery, including security requirements, risk records, assurance evidence or readiness criteria.
• Experience reviewing or maintaining security management plans, assurance evidence, control records or equivalent security artefacts.
• Understanding of secure system operation, change control, access control, protective monitoring and incident response principles.
• Ability to work with technical teams, system owners and security specialists to assess whether controls are being applied effectively.
• Willingness and ability to hold the required security clearance for highly classified environments.
• Professional security qualification such as CISSP, CISM, Security, ISO 27001, Certified Cyber Professional or equivalent experience.
• Knowledge of cyber and information risk frameworks or methodologies.

Responsibilities:

• Act as the security point of contact for highly classified systems and associated data.
• Support the application of agreed security controls, management plans and assurance arrangements.
• Provide security architecture support and advice for highly classified systems, working with architects, system owners and operational teams.
• Review security governance for project delivery, helping ensure security requirements, risks and assurance evidence are considered at the right stages.
• Work with system owners, delivery teams, operational teams and Information Security colleagues to manage security risk through the system lifecycle.
• Review security-relevant changes and provide informed advice on whether they remain within agreed security guardrails.
• Support risk assessments, non-compliance reviews and remediation planning where controls are not fully implemented.
• Help ensure security evidence, control status and assurance activity are maintained and available for review.
• Escalate material changes in cyber or information risk to the appropriate stakeholders.
• Support audits, assurance reviews and continual improvement activity for highly classified environments.

Technologies:

• Support
• Security

More:

hackajob is partnering directly with Leonardo to hire for this role. Leonardo UK operates systems and handles information in highly classified environments. This role is likely to require regular on-site working across secure Leonardo UK locations, with hybrid working supported where appropriate for duties that do not require access to classified environments. At Leonardo, our people are at the heart of everything we do. We offer a comprehensive, company-funded benefits package that supports wellbeing, career development, and work-life balance, including generous leave with up to 12 additional flexi-days each year, an award-winning pension scheme with up to 15% employer contribution, free access to mental health support and financial advice, employee-led networks, a bonus scheme for management level and below, free access to 4,000 online courses via Coursera and LinkedIn Learning, referral rewards, and up to £500 annually on flexible benefits such as private healthcare, dental, family cover, tech and lifestyle discounts, and gym memberships. We offer flexible hours with hybrid working options. Leonardo is a global leader in Aerospace, Defence, and Security, headquartered in Italy, with over 53,000 people worldwide including 8,500 across 9 sites in the UK. We are committed to building an inclusive, accessible, and welcoming workplace, and we support accessibility requirements during the recruitment process. Primary location is Basildon, with additional locations across Bristol, Edinburgh, Lincoln, London, Luton, Newcastle, Southampton and Yeovil. Contract type is permanent.

last updated 35 week of 2026