Systems Administrator 3

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

Position Summary

Support the OSINT Integration Center under the DOMEX Technology Platform contract as a Systems Administrator 3 focused on Linux and Windows systems administration, performance optimization, and user support.

Essential Duties and 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.

Required Qualifications

• Active TS/SCI with ability to obtain a CI Polygraph.
• Bachelor's degree with a minimum of six years of experience in the category field. Three additional years of experience may be substituted for the bachelor's 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.

Preferred Qualifications

• Experience with Kubernetes, Rancher, and infrastructure-as-code tools such as AWS CloudFormation.
• 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

• High School Diploma/GED with 9 years of experience.
• Associates Degree with 9 years of experience.
• Bachelors' Degree with 6 years of experience.
• Masters' Degree with 6 years of experience.
• PhD with 6 years of experience.

RequiredCertifications

• None specified.

Required Security Clearance

• Active TS/SCI with ability to obtain a CI Polygraph.

Equal Employment Opportunity

Base-2 Solutions is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, age, sexual orientation, gender identity, genetic information, protected veteran status, or any other characteristic protected by law, and will not be discriminated against on the basis of disability. Learn more: base-2solutions.com/eeo