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Systems Administrator 4

Base-2 Solutions
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Bethesda, MD, USA
Sep 20, 2026
Position Summary Support the OSINT Integration Center under the DOMEX Technology Platform contract as a Systems Administrator 4 focused on Linux and Windows systems administration, performance optimization, and user support. Essential Duties and
    • Perform Linux and Windows builds, installations, configurations, administration, and troubleshooting.
    • Implement and enforce DISA STIG compliance across systems and networks.
    • Develop and maintain server builds for virtual and physical environments.
    • Manage and deploy Kubernetes, Rancher, and Helm.
    • Develop scripts for patching, configuration, and automation using Python, Bash, or PowerShell.
    • Use Salt and Ansible for infrastructure automation.
    • Administer AWS cloud environments including provisioning, monitoring, and optimization.
    • Provide service desk coverage between 6 AM and 6 PM, Monday through Friday, on a rotational basis. Required
    • Active TS/SCI with ability to obtain a CI Polygraph.
    • Bachelor's degree with a minimum of ten years of
experience in the category field.
  • Expertise in Linux systems administration, including RHEL/CentOS and Ubuntu.
  • Experience with patching and virtual server builds.
  • Familiarity with Agile project management and security
requirements derivation.
  • Strong scripting
skills in Python and Bash.
  • Excellent verbal and written communication
skills.
  • Ability to work independently and collaboratively in a team environment.
  • Experience working in air-gapped environments.
  • Ability to obtain Privileged User Account certification by the Government.
Preferred Qualifications •
    • Familiarity with ArgoCD, Jenkins, and GitLab.
    • Knowledge of the ELK stack and beats.
Experience with Active Directory in a Linux environment.
  • Background maintaining AI/ML environments and large data storage solutions. Required
Education and Experience Equivalency
  • Bachelors' Degree with 10 years of
experience.
  • Masters' Degree with 10 years of
experience.
  • PhD with 10 years of
experience. Required Certifications
  • None specified. Required Security
Clearance
  • Active TS/SCI with ability to obtain a CI Polygraph.

Pay & Benefit Highlights

Compensation

  • Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity).
  • Employee referral bonuses up to $10,000 per hired referral.
  • Additional bonus opportunities for exceptional performance and contributions to business development and company growth (role-dependent).

Health

  • 100% company-paid medical premiums for employees and eligible dependents.
  • Choose from multiple plan options with CareFirst, Kaiser, and UnitedHealthcare, including PPO, POS, HMO, and HSA-compatible plans.
  • 100% company-paid dental premiums for employees and eligible dependents.
  • 100% company-paid vision premiums for employees and eligible dependents.

Income Protection

  • 100% company-paid premiums for short-term disability.
  • 100% company-paid premiums for long-term disability.
  • 100% company-paid premiums for accidental death & dismemberment (AD&D).
  • 100% company-paid premiums for life insurance up to $200,000.

Retirement

  • 401(k) with immediate vesting: 4% company match plus a 4% non-elective company contribution (8% total).
  • 401(k) pre-tax and Roth options.

Leave

  • Up to 20 days of flexible paid time off (PTO).
  • 11 paid floating holidays.

Work-Life Balance

  • Flexible work schedules, including flex time and compressed work periods (contract and project-dependent).

Job ID

4052
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