International Cyber Security SME in Reading

Mastek is looking for a highly skilled International Cyber Security SME to bring deep expertise in cyber resilience, assurance, and technical advisory across global programmes. This role is ideal for professionals who thrive on solving complex cyber challenges and influencing strategic security decisions in regulated, international environments.

The International Cyber Security SME provides deep subject matter expertise across cyber resilience, assurance and technical advisory services. The role is responsible for leading complex assessments, shaping control improvements, advising on incident management and technical resilience, and providing specialist input into international service delivery and client decision‑making.

Key responsibilities:

• Provide expert cyber security input across risk management, information assurance, technical controls, emerging technologies, incident management and resilience improvement.
• Lead detailed assessments against frameworks and standards such as ISO 27001, NIST CSF, Cyber Essentials, CAF and NIS.
• Identify control gaps, non‑conformities, vulnerabilities and resilience weaknesses, and develop practical remediation recommendations.
• Support the design and review of security architectures, control environments, operating procedures and technical resilience measures.
• Advise on incident response planning, playbooks, lessons learned and improvements to security operations and resilience capability.
• Contribute to client reporting, technical papers, assurance outputs and stakeholder briefings.
• Review and quality assure deliverables produced by advisors and support staff.
• Support service adaptation in response to evolving threat, regulatory and operational requirements.

Essential qualifications and experience:

• Degree in Cyber Security, Computer Science, Information Security or related field; postgraduate qualification desirable.
• Strong demonstrable experience in cyber security advisory, technical assurance, risk assessment or specialist cyber consulting.
• Deep knowledge of security frameworks, controls, risk treatment and resilience practices.
• Experience in technical writing, stakeholder workshops and translating technical issues into business risk.
• Strong analytical skills and ability to work across complex, international environments.

Desirable certifications:

• CISSP, CISM, CISA, CRISC, ISO 27001 Lead Auditor/Implementer, GIAC, CREST or equivalent, depending on specialism.
• Knowledge of incident response, vulnerability management and operational resilience.
• Experience working in central government, critical national infrastructure or international regulated sectors.

Security and suitability requirements:

• Must be eligible for BPSS; CTC or SC eligibility highly desirable for secure client environments.
• Willingness to travel internationally where required.

Why Join Mastek:

Make a Difference That Matters. Mastek is a purpose‑driven organisation where the work you do makes a real difference, particularly across the public and health sectors. You’ll have the opportunity to work on complex, meaningful programmes that impact communities and improve public services. We offer a collaborative and supportive working environment that encourages innovation, learning, and professional growth. At Mastek, people are trusted to contribute ideas, challenge thinking, and work together to deliver the best outcomes. We value diversity and believe that different experiences, backgrounds, and perspectives lead to better solutions. Even if you don’t meet every requirement, we encourage you to apply — your skills and experiences may be exactly what we are looking for. Mastek is an equal opportunities employer and is committed to building an inclusive and diverse workforce. We welcome applications from all suitably qualified candidates, regardless of age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, or sexual orientation. If you require any reasonable adjustments or additional support during the recruitment process, please let us know. If this sounds like the right opportunity for you, feel free to reach out or apply directly. Referrals are also welcome — please share this role within your network!