Systems Administrator; Tier 2 Level 2; TS​/SCI Clearance Scope Polygraph

Annapolis, United States | Posted on 10/22/2026

Security Clearance: Active TS/SCI with Polygraph Required

Salary Range: $94,000 - $113,000 (commensurate with experience, education, and skills)

We are seeking a Tier 2 Level 2 Systems Administrator to join our team in Annapolis Junction, MD. This role is responsible for maintaining the health, security, and performance of server infrastructure, operating systems, and core applications across a secure enterprise environment.

The ideal candidate will provide advanced technical support for escalated issues, execute patch management and system configurations, maintain strict security controls, and collaborate on cross-functional IT projects.

• Monitor, manage, and maintain enterprise servers, operating systems, and key business applications.
• Apply patches, updates, and configuration changes in accordance with established change management procedures.
• Perform routine system health checks, capacity planning, and performance tuning.

• Provide advanced (Tier
  2) technical support for escalated issues from help desk/Tier 1 teams.
• Diagnose and resolve complex system, application, and network-related incidents.
• Manage user accounts, permissions, and access controls following principle-of-least-privilege guidelines.

• Install, configure, and deploy new systems, hardware, applications, and management tools.
• Assist with system upgrades, data migrations, and tool integrations.
• Create and maintain comprehensive documentation for system configurations, operational procedures, and IT standards.

• Ensure all systems adhere to organizational security policies and federal compliance standards.
• Implement and monitor security controls, including antivirus, endpoint protection, firewalls, and access management solutions.
• Participate in system audits, risk assessments, and vulnerability remediation activities.

• Use enterprise monitoring tools to track system performance, availability, and storage capacity.
• Respond to automated alerts, incidents, and system outages; conduct root cause analysis and perform corrective actions.
• Prepare routine reports on system health, open incidents, and infrastructure improvements for leadership.

• Partner with network, security, application, and help desk teams on cross-functional initiatives.
• Contribute to the continuous improvement of IT standards, workflows, and technical documentation.
• Provide input on technology selections and system architecture design.

• Clearance: Active TS/SCI security clearance with a current Polygraph is strictly required.
• Education & Experience:
• High School Diploma / GED with 15+ years of relevant IT/systems administration experience;
  OR
• Bachelor's Degree in IT, Computer Science, or related field with 10+ years of relevant experience.
• Certifications (Must hold at least one IAT Level 1 compliant certification):
• CompTIA A+ CE
• CompTIA Network+ CE
• Server & OS Administration (Windows / Linux)
• Hardware installation, maintenance, and troubleshooting
• Remote Desktop & Remote Assistance tools
• Security tools (endpoint protection, firewalls, access management)
• Salary Range: $94,000 - $113,000 per year (final compensation depends on experience, skills, and contractual guidelines).
• Comprehensive Healthcare: Medical, Dental, and Vision insurance options.
• Financial Protection: Basic Life Insurance and Short/Long-Term Disability Insurance.
• Time Off: Paid Holidays, Paid Time Off (PTO), and Paid Parental Leave.
• Retirement: 401(k) plan with company matching contributions.
• Professional Growth: Tuition reimbursement and continuing education support.