Senior Systems Administrator – Linux/Windows & Cloud

Base-2 Solutions; Bethesda (MD); On-site; USD 110,000 - 150,000; Full time

Job summary

Base-2 Solutions seeks a Systems Administrator 3 to support the OSINT Integration Center under the DOMEX Technology Platform contract. The role focuses on Linux/Windows administration, performance optimization, and user support in a high-security environment.

Candidates must hold TS/SCI with CI Poly, have a relevant degree or equivalent experience, and be proficient with Kubernetes, Ansible, AWS, and scripting.

Qualifications

• Active TS/SCI with ability to obtain CI Polygraph.
• Bachelor's degree with 6+ years of experience; substitutions allowed.
• Expertise in Linux systems administration (RHEL/CentOS, Ubuntu).
• Experience with patching and virtual server builds.
• Familiarity with Agile project management and security requirements derivation.
• Strong Python and Bash scripting skills.
• Excellent verbal and written communication.
• Ability to work independently and collaboratively in a team.
• Experience working in air-gapped environments.
• Ability to obtain Privileged User Account certification by the Government.

Responsibilities

• 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.

Skills

Linux administration

Windows administration

Python scripting

Bash scripting

Communication

Independence and teamwork

Air-gapped environments

Privileged User Account knowledge

Education

Bachelor's degree or higher in a relevant field

Associates degree with 9 years experience

High School Diploma/GED with 9 years experience

Master's Degree with 6 years experience

PhD with 6 years experience

Tools

Kubernetes

Rancher

Helm

Salt

Ansible

AWS CloudFormation

Jenkins

GitLab

Job description

Base-2 Solutions seeks a Systems Administrator 3 to support the OSINT Integration Center under the DOMEX Technology Platform contract. The role focuses on Linux/Windows administration, performance optimization, and user support in a high-security environment.

Candidates must hold TS/SCI with CI Poly, have a relevant degree or equivalent experience, and be proficient with Kubernetes, Ansible, AWS, and scripting.