Systems Administrator 4

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

Benefits offered by this job

Medical premiums for employees & deps

Dental premiums for employees & deps

Vision premiums for employees & deps

401(k) with company match

PTO & floating holidays

Job summary

Base-2 Solutions is seeking a Senior Systems Administrator to support the OSINT Integration Center under the DOMEX Technology Platform. The role centers on Linux and Windows administration, performance tuning, security hardening (DISA STIG), and user support.

You will build servers, deploy Kubernetes ecosystems, and automate with Python, Bash, PowerShell. Candidates must hold TS/SCI with CI poly, have extensive Linux experience (RHEL/CentOS, Ubuntu), and be able to work in air-gapped

Qualifications

• Active TS/SCI with CI polygraph.
• Bachelor's degree with 10+ years in the field.
• Expertise in Linux admin (RHEL/CentOS, Ubuntu).
• Experience patching and building virtual servers.
• Familiarity with Agile and security requirements.
• Strong Python and Bash scripting skills.
• Excellent communication; able to work independently or in a team.
• Experience in air-gapped environments and Privileged User Account governance.

Responsibilities

• Perform Linux/Windows builds, configurations, and troubleshooting.
• Enforce DISA STIG across systems and networks.
• Develop server builds for virtual and physical environments.
• Manage and deploy Kubernetes, Rancher, and Helm.
• Develop automation scripts using Python, Bash, or PowerShell.
• Use Salt and Ansible for infrastructure automation.
• Administer AWS cloud environments including provisioning and monitoring.
• Provide service desk coverage 6 AM–6 PM, Mon–Fri on a rotation.

Skills

Linux admin

Windows admin

Python

Bash

PowerShell

Ansible

Salt

AWS

Kubernetes

Education

Bachelor's degree

Master's degree

PhD

Tools

Kubernetes

Rancher

Helm

AWS CloudFormation

ArgoCD

Jenkins

GitLab

Docker

Terraform

Job description

• Standard Title: Senior Systems Administrator
• Required Security Clearance: Top Secret/SCI
• Location: Bethesda, MD
• Work Type: On-Site
• Shift: First

• Requisition ID: 4052
• Standard Title: Senior Systems Administrator
• Required Security Clearance: Top Secret/SCI
• Location: Bethesda, MD
• Work Type: On-Site
• Shift: First
• Referral Eligibility: Eligible
• U.S. Citizenship Required? Yes

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 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 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

• 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

• 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).