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Salary
$70k – $90k per year
Location
In office (Wahiawa)
Seniority
Junior
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 1, 2026. First seen by Alion on Oct 27, 2026. Sigma Defense Systems scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Sigma Defense Systems is a defense technology enterprise and systems integrator specializing in tactical communications, C5ISR, and CJADC2 solutions. The company provides software-defined networking hardware, DevSecOps software development, electronic warfare capabilities, tactical edge intelligence, and digital modernization services to connect military personnel and command structures. Headquartered in Perry, Georgia, United States, the organization serves the U.S. Department of Defense, armed forces branches, intelligence agencies, and government partners across national and international operational theaters.

Sigma Defense is seeking a motivated Junior System Administrator with a strong help desk background and solid communication skills. The ideal candidate will support daily IT operations, assist with system administration tasks, and help maintain a reliable technical environment for end users. This role is well-suited for someone early in their IT career who is eager to learn and grow within a dynamic team.

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

  • 1 - 2 years of experience in an IT help desk or technical support role.
  • Strong customer service mindset and excellent written/verbal communication skills.
  • Basic hands-on experience with Windows Server environments (e.g. Active Directory, Group Policy)
  • Familiarity with Windows 10/11 administration and troubleshooting.
  • Understanding of networking fundamentals (TCP/IP, DNS, DHCP)
  • Must be a U.S. citizen.

Personnel Clearance Level:

  • Candidate must possess or have the ability to obtain a Top Secret security clearance or higher.

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 1-2 help desk support for hardware, software, and network issues.
  • Install, configure, and troubleshoot Windows desktops, laptops, and peripherals.
  • Assist with basic Windows Server tasks including user account management, group policies, permissions, and routine maintenance.
  • Monitor system performance and escalate issues as needed.
  • Support incident tracking and documentation through the ticketing system.
  • Help maintain inventory of IT assets and equipment.
  • Contribute to onboarding and offboarding processes (accounts, equipment, access).
  • Communicate clearly and professionally with end users, technical staff, and management.
  • Follow established IT procedures and contribute to improvements where appropriate.

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
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