Senior Systems Engineer - Enterprise Infra & Virtualization (Onsite)

Amentum is seeking a Senior Systems Engineer to implement, administer, and improve enterprise infrastructure across classified environments. You will work on compute, storage, networking, and identity management platforms, coordinating with cybersecurity teams and engineering peers. This full-time, on-site role requires strong leadership and hands-on expertise. Responsibilities include design, deployment, maintenance, and documentation of infrastructure systems, plus collaboration on