Position DescriptionAt CGI, we deliver secure, resilient infrastructure solutions that underpin critical services across the UK’s most sensitive environments. As a Wintel Consultant, you will play a key role in maintaining and enhancing core Windows-based platforms, ensuring stability, security, and performance across a complex estate. Working within a highly secure setting, you will contribute to the continuous improvement of essential infrastructure services while supporting mission-critical operations. You will be empowered to take ownership of technical challenges, bring forward innovative ideas, and collaborate with experienced teams to deliver reliable, high-impact outcomes that support long-term client success.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 responsibilitiesn this role, you will take ownership of delivering 3rd line Wintel support across a secure and complex infrastructure estate, ensuring high availability, performance, and compliance of critical systems. You will operate within SLA-driven frameworks, resolving complex incidents, supporting BAU operations, and contributing to infrastructure improvements that enhance resilience and efficiency.Working closely with internal teams, you will play a key role in maintaining core Windows services while identifying opportunities to automate processes, optimise environments, and strengthen platform stability in a collaborative and structured setting.Support & Resolve complex 3rd line Wintel incidents within agreed SLAsMaintain & Optimise Windows Server environments and Active Directory servicesAdminister & Support VMware virtualisation platformsSupport & Enhance Citrix environments where applicableManage & Maintain Group Policy and DNS configurationsSupport & Deliver Microsoft Exchange administration and servicesMonitor & Improve infrastructure performance and system healthAutomate & Streamline operational tasks using scripting (e.g. PowerShell)Contribute & Deliver infrastructure project work and platform enhancementsEnsure & Uphold security, governance, and compliance standardsRequired Qualifications To Be Successful In This RoleTo succeed, you will bring strong 3rd line Wintel support experience within enterprise or secure environments, with the ability to troubleshoot complex issues and maintain critical infrastructure services. You will have a solid foundation across Windows technologies and virtualisation, alongside a proactive approach to continuous improvement and operational excellence.You should have strong experience in Windows Server and Active Directory environmentsProven expertise in Group Policy and DNS managementHands-on experience supporting VMware virtualisation platformsExperience administering Microsoft Exchange environmentsFamiliarity with backup and anti-virus technologiesExposure to Citrix environmentsProficiency in scripting, particularly PowerShellExperience working within secure or regulated environmentsAwareness of monitoring tools such as Zabbix (desirable)Exposure to automation or emerging technologies (desirable)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.
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