Linux System Administrator; Top Secret clearance

AMO, an Akima company, is seeking a Linux System Administrator with Top Secret clearance to join the team in Summerville, SC. This full‑time position supports the Naval Information Warfare Center Atlantic (NIWC Atlantic) Research, Development, Test & Evaluation (RDT&E) network as a Linux Systems Administrator responsible for sustaining and securing Red Hat Enterprise Linux (RHEL) infrastructure in classified and unclassified environments.

Responsible for the overall systems infrastructure including engineering, implementation and integration, and technical services and support. Designs, implements, installs, maintains, and administers infrastructure including hardware, software, and various configurations. Monitors overall performance to proactively identify potential issues and tune appropriately. Performs root cause analysis on failed components and implements corrective measures. Works with others to establish and improve processes and procedures.

• Install, configure, and maintain RHEL 8 & 9 servers (RHEL 8/9 exposure required).
• Perform server and workstation installations, technology refreshes, and system upgrades.
• Maintain IT infrastructure endpoint devices and external workstation hardware.
• Install and configure authorized software packages.
• Diagnose and resolve hardware and software issues.
• Administer accounts and groups via Red Hat Identity Management (IdM).
• Configure and administer LVM (Logical Volume Management).
• Manage patching and package administration using YUM/DNF.
• Write custom start scripts for applications and services.
• Create and maintain technical documentation.

• Support Linux systems operating in virtualized environments (VMware, vCenter).
• Assist with infrastructure integration and sustainment activities.
• Lead and assist with infrastructure projects as needed.

• Implement and remediate STIG findings and vulnerabilities identified through ACAS and other security tools.
• Perform system maintenance and patching in compliance with DoD security standards.
• Continuously analyze system posture and identify security risks and recommended mitigation strategies.
• Maintain all qualifications required under the Cybersecurity Workforce (CSWF) framework for Privileged Access Administrator (PAA).

• Provide architecture guidance and assist with deployment and configuration of the Splunk solution.
• Troubleshoot Splunk issues and support sustainment and maintenance of Splunk infrastructure.
• Support Linux-based applications such as Splunk, Satellite, and Ansible Tower.
• Evaluate and implement new tools and technologies to enhance operational efficiency.

• Demonstrate fluency in scripting for automation and administrative efficiency.
• Work independently and collaboratively to research data and develop analytical techniques and methodologies.

• Active Top‑Secret clearance
• Master’s level degree in any engineering discipline
• 7+ years of professional experience supporting Linux systems
• Strong experience administering Red Hat Enterprise Linux (RHEL 8 &
  9) required
• Experience supporting virtualized environments (VMware/vCenter)
• Experience with STIG implementation and ACAS vulnerability remediation
• Experience administering Splunk in Linux environments
• Experience with IdM, LVM, patching, and package management (YUM/DNF)
• Strong scripting skills for automation
• Maintain all CSWF PAA qualification requirements

• Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE)
• Ansible Automation certifications
• ACAS Operator and Supervisor Course (cyber.mil) – required per DoD standards to be an ACAS User or Administrator

Job :

Work Type:
On‑Site

Akima Mission Optimization (AMO), an Akima company, is not just another federal logistics contractor. As an Alaska Native Corporation (ANC), our mission and purpose extend beyond our exciting federal projects as we support our shareholder communities in Alaska.

At AMO, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.

For our shareholders, AMO provides support and employment opportunities and contributes to the survival of a culture that has thrived above the Arctic Circle for more than 10,000 years.

For our government customers, AMO delivers innovative administrative support services that streamline operations and enhance productivity.

As an AMO employee, you will be surrounded by a challenging, yet supportive work environment that is committed to innovation and diversity, two of our most important values. You will also have access to our comprehensive benefits and competitive pay in addition to growth opportunities and excellent retirement options.