Senior Systems Administrator, Windows

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

Oversee and manage enterprise-level Microsoft infrastructure in support of U.S. Navy operations within a Department of Defense (DoD) environment. This role requires deep technical expertise in Microsoft 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 Microsoft Windows Server environments in classified and unclassified environments across Navy networks.
• Manage Active Directory, DNS, DHCP, and Group Policy Objects (GPOs) across multiple domains and enclaves.
• 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 Microsoft systems in accordance with DoD and Navy patch management policies.
• Manage automated installation methods and system imaging (e.g., SCCM, VMware, Nutanix).
• 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.
• Participate in Change Control Boards (CCBs) and Configuration Management Boards (CMBs).
• Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems.
• 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 Microsoft technologies and DoD‑approved tools to improve system performance and security.
• Perform other duties as assigned.

Office conditions are varied and include physical tasks such as lifting, pushing or pulling over 25‑50 pounds (with a 2‑person assist). Physical positions include walking, standing or sitting for extended periods, crawling, kneeling, or cramped work, requiring repeated stooping and/or frequent stair climbing. The environment will include customer contact, extended workdays, a confined office laboratory work area, field assignments, and sometimes inclement weather.

• Bachelor's Degree in IT or a relevant field and at least seven (7) years of System Administration/IT experience (or HS diploma/GED and twelve (12) years of experience).
• Advanced certifications may substitute for a degree or required experience.
• DOD 8570/8140 IAT II.
• One of the following OS Certifications required:
  Windows, Azure Administrator Associate (Exam AZ‑104), Windows Server Hybrid Administrator Associate (Exams AZ‑800 and AZ‑801).

• Must be capable of working in a team environment and participate in technical and system administrative activities throughout project life cycles.
• Knowledge of IT systems and advanced IT infrastructure concepts.
• Proficiency 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 considered highly desirable.
• 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 cybersecurity methods and techniques.
• Knowledge of DoD IT systems, including Windows, RHEL and comprehensive infrastructure concepts.

• Must be a U.S. Citizen.
• Candidate must have at least a Tier 3/NACLC/Secret clearance to be considered.

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