Senior Systems Administrator; Linux

Senior Systems Administrator (Linux)

Join to apply for the Senior Systems Administrator (Linux) role at Alaka`ina Foundation Family of Companies.

The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position will support our government customer located in Kekaha, Hawai'i.

Oversee and manage enterprise-level Linux infrastructure in support of U.S. Navy operations within a Department of Defense (DoD) environment. This role requires deep technical expertise in Linux systems, leadership in secure system administration, and a strong working knowledge of Risk Management Framework (RMF) and NIST SP 800-53 controls. The ideal candidate will demonstrate the ability to lead teams, manage complex environments, and ensure cybersecurity compliance across classified and unclassified networks.

• Administer and maintain Red Hat Linux (RHEL) and other Linux-based environments in classified and unclassified environments across Navy networks.
• Implement and maintain RMF security controls and ensure systems are compliant with DISA STIGs and DoD cybersecurity policies.
• Apply and manage patches and updates across all Linux systems in accordance with DoD and Navy patch management policies.
• Perform system hardening, patching, and vulnerability remediation using tools such as ACAS, ESS, and SCAP.
• Develop and maintain Power Shell scripts for automation of administrative tasks and system configuration.
• Support virtualization platforms (VMware, Hyper‑V) and manage virtual infrastructure lifecycle.
• Collaborate with cybersecurity teams to support ATO packages, POA&Ms, and audit readiness.
• Maintain system documentation, configuration baselines, and standard operating procedures (SOPs).
• Provide mentorship to junior administrators and IT support staff.
• Manage automated installation methods and system imaging (e.g., SCCM, VMware, Nutanix, Satellite, Ansible).
• Participate in Change Control Boards (CCBs) and Configuration Management Boards (CMBs).
• Assist with incident response, forensic analysis, and system recovery efforts.
• Support backup and disaster recovery strategies using enterprise tools (e.g., Veeam, Commvault).
• Evaluate and recommend new Linux technologies and DoD‑approved tools to improve system performance and security.
• Perform other duties as assigned.

• Candidate must be capable of working in a team environment and participate in technical and system administrative activities throughout project life cycles.
• Lifting/Pulling/Pushing: 25‑50 lbs. (two‑men assist)
• Positions: walking or standing, crawling, kneeling, cramped, and work requiring repeated stooping, sitting, and/or frequent stair climbing.
• Environmental:
  Customer Contact, Extended Workday, Confined Work Area, Office Laboratory, Field Assignment, Inclement Weather.

• Bachelor's Degree in IT or relevant field and at least seven (7) years of System Administration/IT experience.
• HS diploma/GED and twelve (12) years experience in System Administration/IT experience can be substituted for a Bachelor's degree.
• Advanced certifications may be substituted for a degree or experience.
• DOD 8570/8140 IAT II.
• One of the following OS Certifications required:
  Linux, Linux+, or Red Hat Certified System Administrator (RHCSA) Certification required prior to start.

• Knowledge of IT systems and advanced IT infrastructure concepts.
• Proficient in operating personal computers, computer software, and standard office equipment.
• Basic keyboarding skills and aptitude for neatness and accuracy.
• Critical thinking - proven problem solver.

• Advanced knowledge and certification in both Windows Server and RHEL is considered highly desired.
• Proficiency in automation tools and scripting (e.g., Power Shell, Bash, Python).
• VMware/Nutanix certification.
• Knowledge/Administration of Trellix, Log Rhythm, and MDE.
• Experience with DoD systems and infrastructure.
• Knowledge of Cyber Security Methods and Techniques.
• Knowledge of DoD IT systems, including Windows, RHEL, and comprehensive infrastructure concepts.