Systems Administrator 4

Senior Systems Administrator Location: Bethesda, MD | Work Type: On-site | Shift: First | Security Clearance: Top Secret/SCI. 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 Bachelor's Degree: Minimum 10 Years of Experience. Associate or Higher Degrees: Minimum 10 Years of Experience. High School Diploma/GED: Not Applicable. Required Certifications None specified. Required Security Clearance Active TS/SCI with ability to obtain a CI Polygraph. Pay & Benefit Highlights 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). 100% company-paid medical, dental, and vision premiums for employees and eligible dependents. CareFirst, Kaiser, and UnitedHealthcare PPO, POS, HMO, and HSA-compatible plans. 100% company-paid premiums for short-term disability, long-term disability, accidental death & dismemberment (AD&D), and life insurance up to $200,000. 401(k) with immediate vesting: 4% company match plus a 4% non-elective company contribution (8% total), pre-tax and Roth options. Up to 20 days of flexible paid time off (PTO) and 11 paid floating holidays. Flexible work schedules, including flex time and compressed work periods (contract and project-dependent). #J-18808-Ljbffr Base2 Solutions