Senior Systems Admin (Linux/Windows) - Flexible Hours

Base-2 Solutions; Chevy Chase (MD); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

100% company-paid medical premiums

100% company-paid dental premiums

100% company-paid vision premiums

401(k) with 4% match + 4% non-elective

Job summary

Base-2 Solutions seeks a Systems Administrator 2 to support the OSINT Integration Center under the DOMEX Tech Platform. Focus on Linux/Windows administration, performance optimization, and user support.

Responsibilities include building and patching systems, enforcing DISA STIGs, deploying Kubernetes/Rancher/Helm, and automating with Python, Bash, Salt, and Ansible. AWS handling and 6am–6pm service desk on weekdays are included.

Qualifications

• Active TS/SCI with ability to obtain CI Polygraph.
• Bachelor's degree with a minimum of three years of experience in the category field; two additional years may substitute for the degree.
• 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.

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

TS/SCI with CI Polygraph

Linux administration

Scripting (Python Bash)

Agile understanding

Communication skills

Air-gapped environments

Privileged User Account cert readiness

Education

Bachelor's degree +3 years

Associates degree +5 years

High School Diploma/GED +5 years

Master's degree +3 years

PhD +3 years

Tools

Kubernetes

Rancher

Helm

AWS

Salt

Ansible

ArgoCD

Jenkins

GitLab

ELK stack

Active Directory (Linux)

Job description

Base-2 Solutions seeks a Systems Administrator 2 to support the OSINT Integration Center under the DOMEX Tech Platform. Focus on Linux/Windows administration, performance optimization, and user support.

Responsibilities include building and patching systems, enforcing DISA STIGs, deploying Kubernetes/Rancher/Helm, and automating with Python, Bash, Salt, and Ansible. AWS handling and 6am–6pm service desk on weekdays are included.