Systems Administrator

About the role

Bering-Alaka`ina Holdings(BAH) is looking for a System Administrator to support our government customer out of Kihei, Maui. The successful candidate will oversee and manage enterprise-level infrastructure within a Department of Defense (DoD) environment.

Responsibilities

• Administer and maintain Windows Server and Linux (RHEL) environments on classified and unclassified DoD networks.
• Manage core infrastructure services including Active Directory, DNS, and DHCP across multiple domains.
• Implement, monitor, and maintain RMF security controls to ensure systems are compliant with DISA STIGs and DoD cybersecurity policies.
• Apply and manage patches and updates across all systems in accordance with DoD patch management and configuration management policies.
• Perform system hardening, patching, and vulnerability remediation using tools such as ACAS, ARAD and SCAP.
• Develop and maintain PowerShell scripts for the automation of administrative tasks and system configuration.
• Support virtualization platforms (VMware, Hyper-V, Nutanix) and manage the virtual infrastructure lifecycle.
• Collaborate with cybersecurity teams to support Authority to Operate (ATO) packages, Plans of Action & Milestones (POA&Ms), and audit readiness.
• Maintain comprehensive system documentation, configuration baselines, and Standard Operating Procedures (SOPs).
• Participate in Change Control Boards (CCBs) and Configuration Management Boards (CMBs).
• Assist with incident response, forensic analysis, and system recovery efforts.
• Support enterprise backup and disaster recovery strategies using tools such as Avamar and BackupExec.
• Evaluate and recommend new technologies and DoD-approved tools to improve system performance and security.
• Provide mentorship to junior administrators and IT support staff.
• Other duties as assigned by Supervisor.

Required Degree/Education/Certification

Required Degree/Experience: Bachelor’s degree in information technology or a relevant field with at least five (5) years of experience in System Administration, OR a High School diploma/GED with seven (7) years of relevant experience.

Required Certification: Must meet DoD 8140/8570 IAT Level II requirements (e.g., Security+ CE, CySA+, etc.).

Required Skills and Experience

• Proven experience working in a team environment and participating in technical activities throughout project lifecycles.
• Strong knowledge of IT systems and advanced IT infrastructure concepts.
• Proficiency in operating personal computers, standard office equipment, and software.
• Critical thinking and proven problem-solving abilities.
• Experience with DoD systems, infrastructure, and cybersecurity methods.

Desired Skills and Experience

• Advanced knowledge and certification in both Windows Server and Red Hat Enterprise Linux (RHEL).
• Proficiency in scripting and automation tools (e.g., PowerShell, Bash, Python).
• VMware or Nutanix certification is highly desired.

Required Citizenship and Clearance

Must be a U.S. Citizen
Must possess an active Secret (Tier 3/NACLC) security clearance or higher to be considered and willing to obtain TS/SCI clearance.