Systems Administrator (Tier 2 Level 2) - TS/SCI Clearance With Full Scope Polygraph Required

J T; Annapolis (MD); On-site; USD 94,000 - 113,000; Full time

Benefits offered by this job

Healthcare

401(k) matching

Education reimbursement

Job summary

J T in Annapolis Junction, MD, is seeking a Senior IT System Administrator with active TS/SCI clearance and polygraph to monitor, maintain, and secure enterprise systems. The role covers patch management, incident resolution, and documentation, with Tier 2 support for escalated issues.

The position offers a night shift (Wed–Sun) and requires experience across Windows/Linux servers, security tooling, and system upgrades. Competitive salary ranges are provided with comprehensive benefits.

Qualifications

• Bachelor’s Degree in IT, Computer Science, or related field with 10+ years of relevant experience.
• High School Diploma / GED with 15+ years of relevant IT/systems administration experience.
• Must hold at least one IAT Level 1 compliant certification.

Responsibilities

• Monitor, manage, and maintain enterprise servers, operating systems, and key business applications.
• Apply patches, updates, and configuration changes per 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.
• Diagnose and resolve complex system, application, and network-related incidents.
• Install, configure, and deploy new systems, hardware, applications, and management tools.
• Create and maintain comprehensive documentation for system configurations and procedures.
• Ensure systems adhere to security policies and federal compliance standards.
• Prepare routine reports on system health and incidents for leadership.

Skills

Server & OS Administration

Hardware troubleshooting

Remote Desktop

Security tooling

Education

Bachelor’s Degree in IT/CS

High School Diploma + 15+ years experience

Tools

Remote Desktop tools

Firewalls

Job description

Security Clearance: Active TS/SCI with Polygraph Required

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

Position Overview

Location: Annapolis Junction, MD

Position Type: Full-Time

Shift: Wednesday - Sunday, 10:00 PM - 6:00 AM (Training: Monday - Friday, 6:00 AM - 2:00 PM)

Security Clearance: Active TS/SCI with Polygraph Required

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

Position Overview

Key Responsibilities

System Administration & Maintenance

• 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.
  

User Support & Troubleshooting

• 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.
  

Implementation & Configuration

• 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.
  

Security & Compliance

• 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.
  

Monitoring & Reporting

• 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.
  

Collaboration & Process Improvement

• 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.
  

Required Qualifications & Skills

• 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
    

• Technical proficiencies:
  

  • Server & OS Administration (Windows / Linux)
    

  • Hardware installation, maintenance, and troubleshooting
    

  • Remote Desktop & Remote Assistance tools
    

  • Security tools (endpoint protection, firewalls, access management)
    

Compensation & Benefits

• 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.