System Administrator - TS/SCI
Role details
Job location
Tech stack
Job description
We are seeking an experienced Linux-focused System Administrator 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. The successful candidate will be responsible for the day-to-day administration, security compliance, and operational health of complex Linux-based infrastructure spanning virtualized environments, container platforms, and classified networked systems., The Systems Administrator operates with a high degree of independence and serves as a technical authority on Linux systems engineering, PKI/cryptographic policy enforcement, storage management, IP networking, and security compliance. This role carries significant responsibility for System Security Plan (SSP) maintenance, STIG implementation, and supporting Secure Telephone Equipment/Network (STE/STN) infrastructure within a heavily regulated RMF/NIST framework.
Requirements
Top Secret/SCI with Active Full Scope Polygraph - must be active prior to start Bachelor's degree preferred; equivalent experience considered 5+ years of system administration experience in classified or secure DoD/IC environments., * Active TS/SCI clearance with Full Scope Polygraph - must be active prior to start
- Deep hands-on Linux proficiency across RHEL, Rocky Linux, and/or CentOS
- Demonstrated experience with DISA STIGs and SCAP compliance scanning
- Working knowledge of NIST SP 800-53 controls and RMF process
- Experience with SSP development and A&A/ATO activities
- Hands-on STE/STN installation, configuration, and support experience
- Solid understanding of PKI/TLS/cryptographic standards including DoD PKI and FIPS enforcement
- Strong IP networking fundamentals and host-based firewall management
- Experience with container platforms (Docker, Podman, Kubernetes, or OpenShift)
- Experience with virtualization platforms (VMware vSphere, KVM/QEMU)
- Storage management experience with NAS, SAN, LVM, and/or distributed storage
- DoD 8140 IAT Level II compliance (Security+, CASP+, or equivalent)
Desired Skills
- Experience with Ansible, Puppet, SaltStack, or Chef
- Proficiency in Bash and Python scripting
- OpenShift Container Platform experience in classified deployments
- Experience with cross-domain solutions (CDS)
- Familiarity with DoD cloud environments (AWS GovCloud, C2S)
