Kroll is hiring: System Administrator (Clearance Required) in washington
krollWashington, DC
Kroll is hiring: System Administrator (Clearance Required) in washington
L6
Occupations
Network and Computer Systems AdministratorsComputer Systems Engineers/ArchitectsWeb AdministratorsOverview:
In this role you will be the on-site Linux systems authority supporting a mission-critical program in a SCIF at Fort Meade. You will drive secure, compliant Linux infrastructure across virtualized and containerized environments within a RMF/NIST framework. The position emphasizes STIG adherence, SSP maintenance, and PKI/cryptographic policy enforcement to sustain DoD/IC operations. You will collaborate with cross-functional teams to ensure system health, security, and certification readiness in a high-security environment. Compensation / Benefits Healthcare coverage Generous PTO and holidays Parental and family leave Life insurance and disability coverage 401(k) with company matching
Responsibilities:
Administer and harden Linux server environments (RHEL, Rocky Linux, CentOS Stream) Apply DISA STIG configurations using SCAP tooling; remediate findings Manage patching, package management, and OS lifecycle operations Configure services, daemons, logging, and audit frameworks Provide Tier 1–2 support and troubleshooting for Linux systems Support SSP development and RMF activities; document controls and tracking Coordinate vulnerability management and CVE remediation Support STE/STN infrastructure and DoD crypto policies Manage PKI operations, TLS/SSL configurations, and HSMs where deployed Administer virtualization and container platforms (VMware vSphere, KVM/QEMU, Docker/Podman, Kubernetes/OpenShift) Operate NAS/SAN storage and Ceph; manage LVM/RAID and encryption Configure host firewalls and network security; collaborate with network engineers
Key requirements:
Active TS/SCI clearance with Full Scope Polygraph 5+ years of system administration in classified DoD/IC environments Deep hands-on Linux proficiency across RHEL/Rocky/CentOS Experience with STIGs and SCAP compliance scanning Familiarity with NIST SP 800-53 RMF and SSP/A&A activities STE/STN installation, configuration, and support experience Strong PKI/TLS/cryptographic standards knowledge and DoD crypto policies Solid IP networking and host-based firewall management Experience with container platforms (Docker, Podman, Kubernetes, OpenShift) and virtualization (VMware vSphere, KVM/QEMU) Storage management experience (NAS, SAN, LVM, Ceph); data-at-rest encryption DoD 8140 IAT Level II (Security+, CASP+, or equivalent) RHEL/Rocky/CentOS administration DISA STIG compliance (OpenSCAP) RMF/SSP/A&A processes PKI/TLS/DoD cryptography STE/STN infrastructure support Container platforms: Docker, Podman, Kubernetes/OpenShift
Apply now (opens in a new tab)
Level
LeadL6
Location
Washington, DC
Occupation
Network and Computer Systems Administrators
Industry
Computer Systems Design Services
Posted
today
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