Enterprise Systems Engineer UK

Salary: £26,000 - 66,000 per year

Requirements:

• Active TS/SCI clearance with polygraph
• Hands-on experience operating Tanium, Login VSI, Cayosoft, 1E Endpoint Automation & Experience, SL1/Voss, Kion, and Splunk, including Splunk engineering and dashboarding
• Experience with Azure performance monitoring
• Citrix VDI engineering experience
• Windows desktop engineering experience, including deep troubleshooting and boot-process debugging
• Active Directory and Entra (Azure AD) engineering experience
• An IAT Level II-compliant certification: A+ CE, CCNA-Security, CND, or Network+ CE
• Ability to operate complex enterprise ecosystems in a multi-service environment
• Experience leading service transitions from on-premises environments to Azure
• Strong documentation skills and ability to communicate complex technical issues clearly
• Familiarity with incident response, root cause analysis, and enterprise change management
• Relevant Microsoft, Citrix, Tanium, Splunk, or similar certifications are desired

Responsibilities:

• Operate, maintain, and troubleshoot multiple enterprise services to ensure stability, performance, and adherence to SLAs
• Perform advanced performance monitoring using native and third-party enterprise tools
• Lead and contribute to service modernization, including structured migration of on-premises capabilities to Azure
• Conduct engineering-level troubleshooting for Windows desktop platforms, including boot-level debugging for CSI operations
• Provide engineering support for Citrix VDI environments and enterprise-scale identity and endpoint platforms
• Collaborate with cross-functional teams to support service readiness, incident response, and continuous improvement
• Contribute to enterprise service engineering documentation, standards, and automation where applicable

Technologies:

• Active Directory
• Azure
• Citrix
• Support
• Network
• Security
• Splunk
• Windows
• Cloud

More:

We are hiring a full-time Enterprise Systems Engineer for an engineering-focused, non-developer role supporting complex enterprise services. The position supports existing on-premises services, with a long-term focus on migrating and modernizing them in Azure, and involves up to 10% local travel. This is a regular, long-term assignment and is contingent on funding; it may not be filled immediately, and applicants may also be considered for other CACI positions. At CACI, we center our work on integrity, character, and innovation in support of our customers missions and national safety. We offer flexible time off, learning and development resources, competitive compensation, and benefits that include healthcare, wellness, financial and retirement support, family support, continuing education, and time off. The proposed salary range is $108,400–$227,500 USD; final compensation may depend on factors including location, contract labor categories and wage rates, experience, skills, education, and certifications.

last updated 40 week of 2026