Job Title: Enterprise Systems Engineer UK-TS/SCI with PolyJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: Regular-Long Term AssignmentPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:We are seeking an engineering focused Enterprise Services Engineer—not a developer role—who has solid, hands on experience operating within complex enterprise service environments. This role requires someone who can independently manage multiple enterprise grade services, ensure platform stability, meet service-level agreements (SLAs), and proactively identify and resolve performance issues. The successful candidate will support existing on premises services with a forward looking mandate: migrating and modernizing these services into Azure over time. This position requires deep technical breadth and exceptional troubleshooting capabilities across Windows based enterprise ecosystems.Responsibilities:• Operate, maintain, and troubleshoot multiple enterprise services to ensure stability, performance,



and adherence to SLAs.• Perform advanced performance monitoring using both native and third party enterprise tools.• Lead and contribute to service modernization efforts, including structured migration of on premises capabilities into Azure.• Execute deep 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 ensure service readiness, effective incident response, and continuous improvement.• Contribute to enterprise service engineering documentation, standards, and automation where applicable.Qualifications:Required: Active TS/SCI with PolyTanium platform operationsLoginVSICayosoft Administration1E (Endpoint Automation & Experience)SL1 / VossKion (Cloud Governance)Splunk engineer

📌 Enterprise Systems Engineer UK-TS/SCI with Poly (España)
🏢 CACI International
📍 España