TS/SCI Systems Administrator (Linux)

Required Skills & Experience

Active TS/SCI security clearance 7+ years of experience in systems administration (linux) Experience with automation tools such as Ansible or Terraform Experience with containers such as Docker, Kubernetes, or Podman Experience with SELinux and FApolicyd, STIG hardening, Identity Management (IdM/LDAP), and managing secrets and certificates Knowledge of IT networking and security concepts Ability to translate complex technical requirements into solutions for clients and engineers DoD 8570 IAT Level II Certification (Sec+ preferred)

Nice to Have Skills & Experience

Bachelor’s Degree or Master’s Degree Strong experience administering RHEL environments Experience managing Kubernetes clusters in production environments. Experience supporting CI/CD pipelines and DevOps initiatives.

Job Description

An employer in the Dayton, Ohio area is seeking a TS/SCI Systems Administrator for a direct-hire opportunity. This individual will play a key role in supporting and maintaining mission-critical infrastructure within a highly technical environment. Responsibilities include administering Linux-based systems, managing Kubernetes clusters, and leveraging automation tools such as Ansible to enhance operational efficiency. The ideal candidate will monitor system performance, troubleshoot complex technical issues, and implement security and performance improvements across the environment. Additionally, they will support DevOps initiatives, including CI/CD integration, workload management, and infrastructure modernization efforts. This person will collaborate closely with engineering teams to deliver scalable, reliable solutions while effectively communicating technical concepts to both technical and non-technical stakeholders. The role also offers the opportunity to provide technical leadership, mentor team members, and contribute to the development of system architecture and operational best practices. Candidates must possess an active TS/SCI security clearance and be able to work onsite five days per week.