1742 - System Administrator

Sigma Defense

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Joint Base Pearl Harbor-Hickam, Hawaii, US on site Until 10/6/2026 5+ years exp First posted August 7, 2026 Last posted August 7, 2026
Job description

Sigma Defense is seeking a Lotus Domino Systems Administrator to support our 5-year program to provide systems administration and technical support at Naval NOCs, MOCs, Tactical Operation Centers (TOC), and afloat units. The candidate will work closely with government site engineers and military personnel to support integration, configuration, and Operational Support in Joint Base Pearl Harbor-Hickam (JBPHH) Wahiawa Annex, HI. This involves coordinating troubleshooting across the systems, ensuring interoperability, and maintaining seamless services during both normal operations and contingency situations.

Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Requirements

  • 5+ years of IT experience.
  • 1 year of experience in Server Administration (Windows, RHEL, etc.).
  • Training on Lous Domino will be provided.
  • Must be a U.S. citizen.

Mandatory Certifications:

  • IAT II (ex. Security+)

Computer Programs/Software:

  • TeamStudio
  • Build Manager
  • WebInspect
  • Confluence
  • JIRA
  • Trelix

Personnel Clearance Level:

  • Candidate must possess or have the ability to obtain an active TS/SCI security clearance.

Education Requirements:

  • Bachelor's degree from an accredited college or university in Computer Science or related field of study.

Essential Job Duties (not all-inclusive):

  • Provide tier 1-3 service desk support.
  • Provide systems administration support to Fleet commands for Fleet exercises and operations led by Fleet.
  • Support commanders or Joint Task Force (JTF) Commanders.
  • Planning, implementing, and troubleshooting program systems and their dependencies, as well as other technologies used by Naval Commands involved in maritime operations related to the program's interests.
  • Develop and provide System Administration support to the program’s ecosystem; administer that which drives the creation and delivery of program information technology products and services.
  • Manage and administer e-mail systems and their corresponding or associated software and hardware.
  • Administer messaging systems access and support efforts for remote users.
  • Create private and public mailing databases, address books, and shared mail applications.
  • Monitor and analyze e-mail system activities to ensure maximum performance, efficiency, and availability.
  • Analyze service and application usage and plan for growth or increases in network capacity.
  • Manage and operate Domino Infrastructure across multiple networks, enclaves, and communities of interest.
  • Offer technical support in system configurations, upgrades and modifications.
  • Assist ship’s force with ship-to-shore connectivity issues between ashore and afloat systems.
  • Support Information Assurance (IA) initiatives at the NOCs.
  • Assist with NOC restoral procedures, providing rapid response for emergent issues, and creating network documentation and training for Fleet NOC personnel.
  • Support Fleet, Joint and Coalition exercises, including after-action reports to identify and resolve potential problems.

Salary Range: $70,000 - $90,000 annually.

Benefits

  • Dental and Vision Insurance
  • Medical Insurance to Include HSA, FSA, and DFSA Plans
  • Life and AD&D coverage
  • Employee Assistance Program (EAP)
  • 401(k) Plan with Company Matching Contributions
  • 160 Hours of Paid Time Off (PTO)
  • 12 (Floating) Holidays
  • Educational Assistance
  • Highly Competitive Salary
About this role

Summary

Provide systems administration, support, troubleshooting, and configuration for naval and fleet IT systems.

Job title

System Administrator

Experience level

5+ years

Minimum experience

5+ years exp

Industry

defense

Location requirements

On-site at Joint Base Pearl Harbor-Hickam, Hawaii; remote not specified.

Salary

$70k–$90k

Management role

No

Skills & keywords

Required skills

IT experienceServer AdministrationSecurity+TeamStudioBuild ManagerWebInspectConfluenceJIRATrelix

Preferred skills

None specified

Specializations

system administrationnetworkingsecurityemail systemsdomino
Locations

Structured locations inferred from the posting.

Joint Base Pearl Harbor-Hickam, HI, USA

On-site City