Systems Administrator

Kwajalein Atoll,

Job ID: 4439

CALIBRE Systems, Inc., an employee-owned Management Consulting and Digital Transformation company, is seeking a Systems Administrator.


Essential Functions

  • Support the Reagan Test Site (RTS) Operations Center as a Systems Administrator III.
  • Work with a team supporting mission initiatives in a secure, isolated computing environment with a primary focus on Red Hat administration.
  • Work with peers, internal customers, and management to create a highly available, resilient, and standardized IT infrastructure.
  • Install, maintain, and support multiple Windows and Red Hat-based servers on physical and virtual platforms in support of RTS initiatives.
  • Troubleshoot issues that arise as well as look for issues proactively.
  • Maintain a secure computing environment, including adherence to a backup schedule, patching of all systems, and applying applicable STIG settings.
  • Maintain a regular and predictable work schedule.
  • Establish and maintain effective working relationships within the department, and within the wider RGNext business units.
  • Maintain hardware lifecycle by deploying replacement systems in a timely fashion.
  • Perform root cause analysis and resolution for hardware and software issues.
  • Install and update software packages from repositories or local file systems.
  • Manage local users and groups and with Active Directory integration.
  • Managing and configuring of SELinux.
  • Secure physical and virtual machines to DISA STIG requirements.

Required Skills

  • Knowledge of and advanced troubleshooting skills with RHEL 5-8.
  • Strong documentation skills, organizational skills, and the ability to interact with team members cross-functionally.
  • Strong verbal and written communication skills.
  • Strong organization and project management skills.
  • Able to deploy, configure, and maintain RHEL systems.
  • Basic network troubleshooting skills.
  • Basic Windows troubleshooting is a plus.

required Experience

  • Bachelor’s degree in Computer Science, Information Systems, or related field and/or equivalent relevant experience.
  • Five (5) or more years’ experience working in related field in Information Technology.
  • Must have and maintain an active CCNA Security, Security+, CySA+, GICSP, or similar certification meeting DoD 8140.01 / DoD 8570.01 baseline certification for IAT Level II.
  • Must have and maintain an active MCSA, CCNA, Linux+, Server+, Oracle DBA, or similar certification to meet DoD 8570.01-M certifications required for the applicable operating system and/or security related tools/devices for this position to meet the IAT Level II requirements.
  • Must apply extensive knowledge of a variety of Cyber Security field concepts, practices, and procedures to ensure the secure integration and operation of enclave systems.
  • Experience managing Centrify and Satellite.
  • Experience building, managing, and deploying Ansible playbooks.


Additional Eligibility Qualifications

  • The flexibility to work occasional non-duty hours or on weekends to support specific project or mission requirements.
  • This position is unaccompanied.
  • Must be able to relocate to the United States Army Kwajalein Atoll, Marshall Islands.
  • Must be able to obtain and maintain a U.S. passport
  • Must have an active DoD Secret clearance, which includes U.S. Citizenship or U.S. naturalization
  • Valid U.S. Driver’s License required.

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