Windows Systems Administrator

Job description

Position Overview We are seeking a Senior Infrastructure Engineer to support and operate mission-critical, enclave-based environments across on-premises VMware infrastructure and AWS cloud . This role sits at the center of a high-security, high-availability ecosystem , supporting systems where downtime has real operational impact . You will be responsible for owning, stabilizing, and improving a complex hybrid environment consisting of both legacy and modern platforms . This is not a passive support role—this is for someone who can step in, take control of the environment , and drive reliability and performance forward . Clearance Requirement: Active TS/SCI with Poly security clearance required Must be eligible to work in restricted / air-gapped environments What You’ll Own: Two standalone/enclave Windows domains: On-prem VMware-based infrastructure AWS-hosted environment: A 24/7 mission-critical system footprint: Core enterprise services: identity, storage, compute, backup, and security tooling Environments with limited external connectivity and strict security controls Key Responsibilities: Administer and maintain Windows-based infrastructure across enclave environments Manage VM...