Find your next tech and IT Job or contract IT security in Basingstoke

Trusted to see the whole picture If you’re ahead of the game on cyber security, systems and operations risk we can secure your career ambitions. Our Security Architects are trusted to work closely with a wide range of clients from all sectors on exciting projects with real-world purpose and impact. Whether you're a self-starter looking to test your talents, or want the opportunity to use your experience and skills, you'll find the challenges and support you need as part of one of the UK's largest cyber consultancies. Our roles are only available if you hold or fulfil the criteria to obtain the highest level of UK Security Clearance.

At CGI, we are driving innovation at the forefront of the Space, Defence and Intelligence sector, delivering secure, high-impact solutions that protect critical systems and enable mission success. As a Cyber Engineer within our cyber and protective monitoring capability, you will play a key role in modernising complex data platforms, advancing automation, and strengthening security operations. Working in a collaborative, on-site environment in Basingstoke, you’ll contribute to meaningful, technically challenging work while being supported to grow your expertise in SIEM technologies and DevOps practices, with the opportunity to shape robust, scalable solutions that make a tangible difference. 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 position will work on site in Basingstoke 5 days a week.

At CGI, we’re redefining how technology protects the nation. As an ArcSight SIEM Engineer, you’ll play a vital role in a major defence programme—modernising secure data platforms, driving automation, and strengthening the UK’s cyber resilience. Working at the forefront of national security, you’ll design and support cutting-edge systems that enable faster, smarter threat detection and decision-making. You’ll be part of a close-knit team that thrives on collaboration, innovation, and technical excellence—where you’ll have the freedom to take ownership of your work, the opportunity to create lasting impact, and the support of a global organisation committed to your growth. 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 full-time onsite position in Basingstoke (no hybrid/remote working).