ITSM Service Design Consultant - Security (IT)

At CGI, we help organisations turn complex security challenges into meaningful, measurable outcomes. As a Security Service Design Consultant within our Advisory Services team, you?ll shape next-generation IT services and operating models that protect critical systems and enhance user experience across the UK. Working closely with public and private sector clients, you?ll design secure, resilient services that enable innovation, strengthen trust, and deliver lasting business value. You?ll have the freedom to take ownership, the support to grow, and the opportunity to apply creativity to real-world challenges?while collaborating with experts who are passionate about making a difference through technology. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ?Best Employer? by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you?ll be part of an open, friendly community of experts. We?ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position but you will be expected to travel to client site or CGI offices 1 to 2 days a week on average Candidate profile: n this role, you will work alongside clients to design, assure, and improve secure IT services across the full-service management lifecycle. You?ll take ownership of service strategies and designs that balance people, process, technology, and commercial considerations, ensuring solutions transition smoothly into live operations and deliver real business impact. You will act as a trusted advisor, shaping service architectures, guiding improvement initiatives, and adapting designs to emerging frameworks and technologies. Supported by a collaborative community, you?ll also mentor junior consultants while continuing to develop your own expertise in response to evolving industry needs. Key responsibilities include:

• Lead & Shape: Define service management and security strategies aligned to client goals.
• Design & Deliver: Produce SDPs, HLDs, and LLDs that provide clear, secure delivery roadmaps.
• Assure & Improve: Review and assure service designs, driving continuous improvement.
• Collaborate & Influence: Work closely with stakeholders to integrate new services seamlessly.
• Architect & Align: Design target operating models that balance business and technical needs.
• Optimise & Enable: Assess processes, simulate workflows, and enhance service performance.
• Mentor & Grow: Coach junior consultants and promote best practice across teams.
• Contribute & Develop: Support business development and shape tailored advisory solutions.

Required qualifications to be successful in this role You will bring strong experience in service management and security service design, with the ability to translate complex requirements into practical, high-quality solutions. You should be confident working with stakeholders, assuring service designs, and contributing to both delivery and advisory growth. Essential qualifications and experience:

• Strong understanding of end-to-end service management and service design practices
• ITIL Foundation qualification
• Proven experience in security service design and security architecture principles
• Knowledge of SecOps practices and Security by Design approaches
• Experience in IT project delivery, process implementation, and improvement
• Ability to review and assure service designs with constructive feedback
• Strong stakeholder management, communication, and leadership skills
• Commercial awareness of IT services, SLAs, and contractual delivery
• Experience mentoring or coaching colleagues

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