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

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

Benefits offered by this job

Comprehensive healthcare

Dental insurance

Vision insurance

Life insurance

Short/Long-term disability

401(k) with company match

Paid holidays

Paid time off (PTO)

Paid parental leave

Tuition reimbursement

Job summary

J&T Business Consulting is seeking a Tier 2 Level 2 Systems Administrator in Annapolis, MD to maintain server infrastructure, operating systems, and core applications within a secure enterprise environment.

The candidate will perform advanced Tier 2 support, patch management, system configuration, and security/compliance activities, collaborating across IT teams to implement improvements and documentation.

Qualifications

• Active TS/SCI with a current Polygraph is required.
• 15+ years IT/sys admin experience or 10+ years with a Bachelor’s in IT/CS.
• Must hold at least one IAT Level 1 compliant certification (e.g., CompTIA A+ CE, CompTIA Network+ CE).
• Experience with patch management, system security controls, and compliance practices.

Responsibilities

• Maintain health, security, and performance of server infrastructure and core applications.
• Provide advanced Tier 2 support for escalated issues.
• Apply patches and configuration changes per change management procedures.
• Create and maintain comprehensive system documentation and procedures.
• Ensure adherence to security policies and federal standards.

Skills

Clearance TS/SCI

System administration

Patch management

Security controls

Education

High School Diploma / GED

Bachelor's Degree in IT/CS

IAT Level 1 certification

Tools

Windows Server

Linux

Remote Desktop Tools

Firewalls

Job description

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

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)

Position Overview

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.

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
• 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.