System Engineer - TS/SCI

NOTE: Clearance is required for this position. Specifically Top Secret/SCI with Active Full Scope Polygraph must be active prior to start. Client Confidential. This is an onsite role near Washington, DC. Pay: $90-96.56/hour. W2 only. Duration:5 yrs Overview We are seeking an experienced Senior System Engineer (Level 3) to support a mission-critical program within the Intelligence Community. This is an on-site position in a Sensitive Compartmented Information Facility (SCIF) environment requiring a TS/SCI clearance with an active Full Scope Polygraph prior to consideration - no exceptions. Qualifications Top Secret/SCI with Active Full Scope Polygraph – must be active prior to start. Bachelor’s degree preferred; additional relevant 4+ years of experience in lieu of degree considered. 8+ years of systems engineering experience in classified DoD/IC environments , with demonstrated expertise across the full system engineering lifecycle. Required Skills Strong, hands‑on situational awareness (SA) experience in an IC program context. Deep Linux proficiency across RHEL, CentOS, and Rocky Linux: installation, configuration, management, and security hardening. Experience with authentication and authorization systems: FreeIPA identity management and/or Microsoft Active Directory integration on Linux. Hands‑on STE/STN installation, configuration, and management experience in both connected and disconnected classified environments. Demonstrated GOTS software experience: installation, configuration, and ongoing maintenance of government‑provided software products. Proven ability to create, read, and modify automation scripts in Bash and/or Python. Strong testing and troubleshooting skills across complex, multi‑component systems. Ability to produce technical documentation and drawing packages (system designs, ICDs, test plans, as‑builts). Comfortable operating within a small, agile, mission‑focused team that interfaces regularly with users, customers, and adjacent technical teams. Strong written and verbal communication skills in a security‑controlled environment. Desired Skills Familiarity with shared storage solutions (NAS, SAN, distributed storage such as Ceph). Virtualization and containerization experience: VMware vSphere, KVM, Docker, Kubernetes, or Podman. Data flow design experience in classified or sensitive network environments. Familiarity with IT automation and configuration management tools: Ansible, SaltStack (SALT), or equivalent. Familiarity with Helm Charts and YAML‑based configuration management for containerized workloads. DevOps experience including CI/CD pipeline design, GitOps workflows, and infrastructure‑as‑code practices. Experience with air‑gapped or disconnected network environments and offline software lifecycle management. DoD8140/8570IATLevelIIcertification (Security+, CASP+, or equivalent). #J-18808-Ljbffr