Linux Systems Administrator

Trinity Global Consulting

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Chantilly, Virginia, US on site Until 8/21/2026 2+ years exp First posted March 18, 2026 Last posted March 18, 2026
Job description

Clearance: TS-SCI w/CI Poly required

Certifications: Current Security+ before start

Level: T2

Responsibilities:

  • Design, develop, and support cloud initiatives to support customer driven needs
  • Responsible for user account management and infrastructure requirements.
  • Maintain program owned applications in support of a collaborative environment (JIRA, Atlassian, BitBucket, RocketChat)
  • Work as a SME to define network requirements, user metrics, maintenance of our PPSM, and support to development needs.
  • Responsible for infrastructure patching and OS baseline hardening
  • Manage several environments as a Linux SME providing overall support to the program and working with Enterprise Services to ensure compliance with security services and applications.

Requirements

  • Active TS-SCI w/CI Poly Clearance Required
  • Bachelor’s Degree in Computer Science or related discipline plus 2-4 years of professional experience as a Systems Administrator or similar technical role.
  • Proactive self-starter demonstrating a positive, willing attitude and excellent oral and written communication skills.
  • Two or more years of experience with Amazon Web Services (S3 Buckets, EC2, Reserved Instances, etc.)
  • Familiar with System Engineering documentation creation (VDDs, network diagrams, data flows, etc.)
  • Experience working with Agile Team Collaboration tools such as (Jira, Confluence, RocketChat)
  • Strong Linux background and familiarity with best practices of infrastructure management

Preferred Qualifications:

  • Experience with AWS and other cloud vendors.
  • Experience with Amazon Web Services technical performance versus cost management
  • Experience with cloud-based architectures
  • Familiar with cross domain architectures at various levels
  • Experience with automated testing and monitoring
  • Experience with Engineering Review Boards and Change Management

MUST BE WILLING TO WORK A PANAMA SHIFT; DAY SHIFT AVAILABLE

Shift Type:

  • Day Shift: 6 AM – 6 PM

Panama Shift Rotation (Two-Week Cycle):

Week 1:

  • Monday: Work
  • Tuesday: Work
  • Wednesday: Off
  • Thursday: Off
  • Friday: Work
  • Saturday: Work
  • Sunday: Work
    Total Hours: 60 hours

Week 2:

  • Monday: Off
  • Tuesday: Off
  • Wednesday: Work
  • Thursday: Work
  • Friday: Off
  • Saturday: Off
  • Sunday: Off
    Total Hours: 24 hours

Total Hours over Two Weeks: 84 hours

  • The site is 100% on site at the Chantilly VA office
    • Or alternate work location if the Chantilly office is undergoing maintenance
  • Engineers work in coordination with at least one other Tier 2
  • We do not flip engineers between day and night, once on a shift they will remain there unless otherwise requested or mission dictates otherwise.

Benefits

At Trinity Global Consulting (TGC), we value our employees and provide a comprehensive benefits package that includes:

  • Medical, Dental & Vision Coverage – Coverage for eligible employees and family through CareFirst and VSP.
  • Paid Time OffPTO granted in accordance with contract requirements.
  • Paid Holidays11 federal holidays observed annually.
  • Disability & Life Insurance – Short-term/long-term disability, life insurance, and AD&D coverage included.
  • 401(k) Retirement Plan – Competitive plan managed through Ameritas.
  • Professional Training – Formal training provided as required, with additional learning opportunities based on role.

About this role

Summary

Manage Linux systems, support cloud initiatives, ensure security compliance, and collaborate with agile teams.

Job title

Linux Systems Administrator

Experience level

2-4 years

Minimum experience

2+ years exp

Industry

technology

Location requirements

On-site in Chantilly, VA; willing to work Panama shift.

Salary

Not specified

Management role

No

Skills & keywords

Required skills

security+linuxawssystem engineeringagile tools

Preferred skills

cloud architecturescost managementautomated testingcross domain architectureschange management

Specializations

linuxcloudsecurityawsinfrastructure
Locations

Structured locations inferred from the posting.

Chantilly, VA, USA

On-site City