Senior Linux SysAdmin - DoD Infra & Automation

ASRC Federal Holding Company; Maryland; On-site; USD 79,000 - 130,000; Full time

Job summary

ASRC Federal is a leading government contractor supporting space, public health and defense missions. The Senior Linux Systems Administrator will architect, deploy, and secure a multi-version RHEL infrastructure at Aberdeen Proving Ground, MD, enforcing STIGs and CAC/PKI MFA.

The role emphasizes automation (Ansible, Bash), vulnerability remediation, and integration with identity providers, Oracle/PostgreSQL/MongoDB hosting, and Docker containers in a DoD environment.

Qualifications

• Active Secret clearance required.
• Red Hat Enterprise Linux experience (RHEL 7/8/9).
• Experience with Ansible playbooks and Bash scripting for automation.
• Knowledge of Docker and container runtimes within Linux environments.
• Familiarity with DISA STIGs, IAMV, and DoD security standards.

Responsibilities

• Architect, deploy, configure, maintain, and decommission enterprise RHEL servers.
• Develop and run Ansible playbooks; write Bash scripts for automation.
• Manage systemd, SELinux, and Docker container environments.
• Configure local storage (LVM), and network shares (Samba/NFS).
• Provide hosting support for middleware and databases (Oracle, PostgreSQL, MongoDB).
• Apply DISA STIGs and perform vulnerability remediation with ACAS/Nessus.
• Integrate with LDAP/AD for CAC/PKI-based MFA; manage DoD certificates.
• Monitor health, performance, and logs; perform root-cause analysis.

Skills

Active Secret clearance

Red Hat Enterprise Linux

Ansible

Docker

SELinux

Education

Bachelor’s degree + 5 years experience

9 years experience in lieu of degree

Job description

ASRC Federal is a leading government contractor supporting space, public health and defense missions. The Senior Linux Systems Administrator will architect, deploy, and secure a multi-version RHEL infrastructure at Aberdeen Proving Ground, MD, enforcing STIGs and CAC/PKI MFA.

The role emphasizes automation (Ansible, Bash), vulnerability remediation, and integration with identity providers, Oracle/PostgreSQL/MongoDB hosting, and Docker containers in a DoD environment.