Position Description:
At 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 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:
n 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 SLAs
Maintain & Optimise Windows Server environments and Active Directory services
Administer & Support VMware virtualisation platforms
Support & Enhance Citrix environments where applicable
Manage & Maintain Group Policy and DNS configurations
Support & Deliver Microsoft Exchange administration and services
Monitor & Improve infrastructure performance and system health
Automate & Streamline operational tasks using scripting (e.g. PowerShell)
Contribute & Deliver infrastructure project work and platform enhancements
Ensure & Uphold security, governance, and compliance standards
Required qualifications to be successful in this role:
To 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 environments
Proven expertise in Group Policy and DNS management
Hands-on experience supporting VMware virtualisation platforms
Experience administering Microsoft Exchange environments
Familiarity with backup and anti-virus technologies
Exposure to Citrix environments
Proficiency in scripting, particularly PowerShell
Experience working within secure or regulated environments
Awareness of monitoring tools such as Zabbix (desirable)
Exposure to automation or emerging technologies (desirable)
Skills:
1. Process Management
2. Wintel/Windows Server