Senior Systems Administrator; Linux

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 managed 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 advance IT infrastructure concepts
• Must be proficient in operating personal computers, computer software and standard office equipment.
• Must have basic keyboarding skills and aptitude for neatness and accuracy in sorting.
• 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 in Cyber Security Methods and Techniques.
• Knowledge of DoD IT systems, to include Windows, RHEL, and comprehensive infrastructure concepts.

• Must be a U.S. Citizen
• Top Secret security clearance is required with T5 or equivalent (SSBI) investigation level.

The Alaka`ina Foundation Family of Companies (FOCs) is a fast-growing government service provider. Employees enjoy competitive salaries; a 401K plan with company match; medical, dental, disability, and life insurance coverage; tuition reimbursement; paid time off; and 11 paid holidays.

We are an Equal Opportunity/Affirmative Action Employer of individuals with disabilities and veterans. We are proud to state that we do not illegally discriminate in employment decisions on the basis of any protected categories. If you are a person with a disability and you need an accommodation during the application process, please  to request accommodation. We E-Verify all employees. EOE, including Disability/Vets.