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Sr. Systems Administrator (Linux)

Themis Insight
Linthicum Heights, MD Remote Full Time
POSTED ON 4/24/2026
AVAILABLE BEFORE 6/23/2026

Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide fresh alternatives to ordinary, mainstream consulting firms through small, highly skilled, and hand-picked teams that can meet clients' needs in any industry. Our broad interdisciplinary understanding allows us to provide the right solution, even if it is from outside the industry or traditionally defined problem space. We bring Public and Private, Civilian and Military expertise to every case.

We are hiring a Sr. Systems Administrator (Linux) to work in Linthicum Heights, MD. Position location is subject to change based on central MD client's needs.

Required: TS/SCI with a Polygraph

Description:

As part of the Secure the Enterprise initiative, the project will develop capabilities to shift from the current manual system security evaluation and authorization process to a new model that emphasizes automation, streamlined processes and approvals, continuous monitoring and assessment, and network data gathering across the entire life cycle of a project.

Essential Duties and Responsibilities:

  • Facilitate infrastructure management, continuous integration, environment configuration and deployment
  • Support the project’s compliance and security posture.
  • Focus on delivering the automation that enables all the other teams to operate smoothly.   
  • Coordinates with the Help Desk to identify/resolve issues at a Tier 2 level  

Individual Capabilities/Experience Required:

  • Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree.
  • Strong experience in:
    • Linux system administration
    • Docker
    • AWS, C2S, or other cloud experience
    • GitLab Pipeline
    • Ansible Pipeline

Individual Capabilities/Experience Desired:

  • Elasticsearch
  • Cloud hosting and automation
  • Familiar with RMF

Themis Insight has all the PERKS!

You are our most valuable resource — your ambition, your knowledge, your creativity. We offer an industry-leading set of benefits to supplement your normal salary compensation. Themis Insight has you covered with flexible ways to balance work and home life, full health benefit premium coverage, and generous contributions toward your retirement.

  • Competitive health, dental, and vision plans with 100% paid premiums.
  • 401k: We contribute 6% even if you don't!
  • Time Off: 11 standard holidays, and 25 days of PTO
  • Career Development: Get career counseling and individualized career development plans, including education and training.
  • Employee referral bonuses for successful hires

Themis Insight is an Equal Opportunity/Affirmative Action employer.

Themis Insight provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Salary : $2 - $10

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