Senior Linux Systems Administrator DoD Security & Automation

ASRC Federal; Maryland; On-site; USD 110,000 - 140,000; Full time

Job summary

ASRC Federal is seeking a Senior Linux Systems Administrator to support DEVCOM-CBC/TDAC at Aberdeen Proving Ground, MD. Responsible for engineering, deployment, security, and lifecycle maintenance of enterprise RHEL infrastructure for Army operations.

The ideal candidate holds an active Secret clearance and excels in automation (Ansible, Bash) with Docker, STIGs, LDAP/AD, PKI, and storage (LVM, Samba, NFS) in a DoD environment.

Qualifications

• Bachelor’s degree with 5+ years of related experience or equivalent.
• 3 years of Red Hat Enterprise Linux experience required.
• Active Secret clearance or higher is required.

Responsibilities

• Architect, deploy, configure, maintain, and decommission RHEL 7/8/9 servers with OS updates and packaging lifecycles.
• Develop and test Ansible playbooks; automate tasks and write Bash scripts.
• Manage systemd orchestration, SELinux policies, and Docker container environments.
• Configure storage (LVM), and manage Samba/NFS shares.
• Provide hosting support for middleware and databases (Oracle/WebLogic/PostgreSQL/MongoDB).
• Apply DISA STIGs and remediate vulnerabilities using ACAS/Nessus; maintain IAMV/STIG compliance.
• Integrate RHEL with LDAP/AD; manage CAC/PKI-based authentication and DoD certificates.
• Monitor health, performance, and logs; perform root-cause analysis and optimization.

Skills

Secret clearance

RHEL experience

Ansible

Bash scripting

Docker

LDAP/AD

PKI/CAC

STIG compliance

Samba/NFS

Automation

Education

Bachelor's degree in Computer Science / IT / Engineering

9 years of related work experience in lieu of a degree

Tools

Red Hat Satellite

Ansible

Docker

Nessus/ACAS

LDAP/AD integration

Job description

ASRC Federal is seeking a Senior Linux Systems Administrator to support DEVCOM-CBC/TDAC at Aberdeen Proving Ground, MD. Responsible for engineering, deployment, security, and lifecycle maintenance of enterprise RHEL infrastructure for Army operations.

The ideal candidate holds an active Secret clearance and excels in automation (Ansible, Bash) with Docker, STIGs, LDAP/AD, PKI, and storage (LVM, Samba, NFS) in a DoD environment.