Defence Security Consultant jobs

At CGI, we’re shaping the future of secure digital transformation helping clients across industries protect their most valuable assets in the cloud. As a Cloud Security Consultant, you’ll play a key role in building trusted, resilient cloud environments that enable innovation and drive business success. You’ll work within one of the UK’s largest and most respected cyber consultancies, influencing major cloud programmes that safeguard national infrastructure, modernise operations, and empower clients to grow with confidence. Join us to make an impact where it truly matters combining your technical expertise with creativity and ownership to deliver lasting change.

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.

Your future duties and responsibilities

In this role, you will lead and support cloud security initiatives that protect client systems, data, and operations. You’ll work closely with cross-functional teams to design, assess, and enhance secure cloud architectures across AWS, Azure, and GCP environments. By combining technical depth with strategic insight, you’ll help organisations adopt cloud technologies confidently balancing security, innovation, and performance.

You’ll be empowered to take ownership of projects, apply creativity to complex challenges, and collaborate within a supportive community of cyber professionals who are passionate about making a difference.

Key responsibilities include:

Design & Implement: Develop secure architectures and solutions across public, private, and hybrid cloud environments.

Assess & Advise: Conduct risk assessments, threat modelling, and compliance audits.

Embed & Automate: Integrate security within DevOps and CI/CD pipelines.

Govern & Guide: Provide expert advice on cloud governance, identity, and access management.

Support & Protect: Align client operations with leading frameworks and regulatory standards.

Required qualifications to be successful in this role

ou should have a solid understanding of cloud security principles and proven experience securing complex cloud infrastructures. Strong communication, analytical, and problem-solving skills are essential, alongside the ability to translate technical risks into actionable recommendations for clients.

You should have:

Proven experience in cloud security architecture and assurance

Strong knowledge of AWS, Azure, or GCP environments

Understanding of security frameworks such as ISO 27001, NIST, NCSC CAF, and Cyber Essentials/Plus

Experience in identity and access management, data protection, and cloud governance

Knowledge of network and infrastructure security in cloud contexts

Familiarity with business continuity, resilience, and incident response

Desirable certifications: CISSP, CISM, CCSP, AZ-500, AWS Security Specialty, CCP, or equivalent

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Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.