Senior Linux Systems Engineer — TS/SCI (On-Site Bethesda)

VMD Corp; Bethesda (MD); On-site; USD 110,000 - 160,000; Full time

Job summary

Xcelerate Solutions is seeking a Linux Server Systems Administrator to support the National Digital Exploitation & OSINT Center (NDOC) in Bethesda, MD. This on-site role requires TS/SCI security clearance and CI Poly, with deep Linux system administration across physical and virtual environments.

Responsibilities include monitoring, patching, hardening, and troubleshooting Linux servers, plus producing RCA reports and contributing to process improvements.

Qualifications

• Bachelor’s degree and 8+ years of relevant experience; more years may substitute for education.
• Linux/UNIX server setup, deployment and maintenance experience.
• Experience with Red Hat Satellite Server and/or Spacewalk for patching and system management.
• Experience with hardening Linux environments.
• Experience with system administration of Linux servers (RHEL/ Rocky/ Oracle/ Ubuntu).
• Familiarity with supporting virtual desktops running Microsoft Windows.
• Experience with configuration management tools: Ansible, Salt, Puppet, Chef.
• Scripting/Automation skills in Linux Shell, PowerShell, or similar.
• Experience with log reviews, incident analysis, and identifying issue trends.
• Knowledge of server patch management methodologies.
• Ability to work independently within ITSM/ticketing systems.
• DoD 8140.03 IT System Admin Intermediate certifications (Cloud+, GICSP, SSCP, Security+ CE, GSEC or higher).
• US Citizenship and TS/SCI with CI Poly required.

Responsibilities

• Provide technical support, administration, and monitoring of Linux systems in physical and virtual environments.
• Support implementation, troubleshooting and maintenance of IT systems; distinguish user problems from enterprise issues.
• Support operations and troubleshooting for end-user workstations including desktop applications.
• Coordinate with customers to collect data, analyze data, and implement solutions for incident tickets and requirements.
• Identify opportunities for continuous improvement to support efficient operations.
• Develop solutions to complex technical issues.
• Provide follow-up reports for root cause analysis, engineering assessment, and process improvement.
• Provide on-call support during outages after hours; may involve shift work.
• Update operations and monitoring documentation for 24/7/365 operations watch personnel.

Skills

Linux administration

System hardening

Incident analysis

Patch management

Communication skills

Independent problem solving

Time management

Education

Bachelor’s degree

Tools

Red Hat Satellite Server

Spacewalk

Ansible

Salt

Puppet

Chef

Job description

Xcelerate Solutions is seeking a Linux Server Systems Administrator to support the National Digital Exploitation & OSINT Center (NDOC) in Bethesda, MD. This on-site role requires TS/SCI security clearance and CI Poly, with deep Linux system administration across physical and virtual environments.

Responsibilities include monitoring, patching, hardening, and troubleshooting Linux servers, plus producing RCA reports and contributing to process improvements.