Systems Administrator (Tier 2 Level 1) - Active TS/SCI Clearance With Full Scope Polygraph Required

J&T Business Consulting; Annapolis (MD); On-site; USD 84,000 - 100,000; Full time

Benefits offered by this job

Medical Coverage

Dental & Vision

Life & Disability Insurance

Paid Time Off

401(k) Plan

Tuition Reimbursement

Job summary

J&T Business Consulting in Annapolis, MD seeks a Tier 2 Level 1 Systems Administrator to support, maintain, and optimize secure server infrastructure and applications. The role emphasizes patch management, security controls, and cross-functional IT projects.

The candidate will handle escalated issues, perform system configurations, and ensure compliance with federal guidelines while collaborating with network, security, and help desk teams. Salary ranges from $84,000 to $100,000 per year.

Qualifications

• Active TS/SCI security clearance with a current Polygraph is required.
• Education & Experience: see above.
• Must hold at least one IAT Level 1 compliant certification.

Responsibilities

• Monitor, manage, and maintain enterprise servers, operating systems, and core business applications.
• Apply patches, updates, and configuration changes in line with change management policies.
• Perform routine system health checks, capacity planning, and performance tuning.
• Provide advanced technical support for issues escalated from help desk/Tier 1 teams.
• Diagnose and resolve complex system, application, and network-related problems.
• Assist with user account management, permissions, and access controls.
• Install, configure, and deploy new systems, hardware, applications, and tools.
• Assist in system upgrades, migrations, and software integrations.
• Document system configurations, procedures, and operational standards.
• Ensure systems adhere to security policies and federal guidelines.
• Implement and monitor security controls, including antivirus, endpoint protection, firewalls, and access management.
• Participate in audits, risk assessments, and remediation tasks.
• Use enterprise monitoring tools to track system performance, availability, and capacity.
• Respond to alerts, incidents, and outages, performing root cause analysis and corrective actions.
• Prepare routine reports on system health, incidents, and infrastructure improvements for management.
• Collaborate with network, security, application, and help desk teams on cross-functional initiatives.
• Contribute to IT process improvements and documentation.
• Provide input on technology selection and system architecture improvements.

Skills

Clearance: Active TS/SCI with Polygram

Education

High School Diploma / GED with 10+ years IT/systems administration experience

Bachelor’s Degree in IT, Computer Science, or related field with 5+ years of relevant experience

Tools

CompTIA A+ CE

CompTIA Network+ CE

Remote Desktop & Remote Assistance software

Server & OS Administration (Windows / Linux)

Security management (endpoint protection, firewalls, access controls)

Hardware maintenance and troubleshooting

Job description

Systems Administrator (Tier 2 Level 1) - Active 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: $84,000 - $100,000 (commensurate with experience, education, and skills)

Position Overview

We are seeking a Tier 2 Level 1 Systems Administrator to join our team in Annapolis Junction, MD. This role is responsible for supporting, maintaining, and optimizing server infrastructure, operating systems, and key software applications within a secure enterprise environment.

The successful candidate will handle escalated technical issues, perform patch management and system configurations, uphold strict security controls, and collaborate on cross-functional IT projects.

Key Responsibilities

System Administration & Maintenance

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

User Support & Troubleshooting

• Provide advanced technical support for issues escalated from help desk/Tier 1 teams.
• Diagnose and resolve complex system, application, and network-related problems.
• Assist with user account management, permissions, and access controls.

Implementation & Configuration

• Install, configure, and deploy new systems, hardware, applications, and tools.
• Assist in system upgrades, migrations, and software integrations.
• Document system configurations, procedures, and operational standards.

Security & Compliance

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

Monitoring & Reporting

• Use enterprise monitoring tools to track system performance, availability, and capacity.
• Respond to alerts, incidents, and outages, performing root cause analysis and corrective actions.
• Prepare routine reports on system health, incidents, and infrastructure improvements for management.

Collaboration & Process Improvement

• Collaborate with network, security, application, and help desk teams on cross-functional initiatives and projects.
• Contribute to the continuous development and refinement of IT processes, standards, and documentation.
• Provide input on technology selection and system architecture improvements.

Required Qualifications & Skills

• Clearance: Active TS/SCI security clearance with a current Polygraph is required.
• Education & Experience:

• High School Diploma / GED with 10+ years of relevant IT/systems administration experience; OR
• Bachelor’s Degree in IT, Computer Science, or related field with 5+ years of relevant experience.

Certifications (Must hold at least one IAT Level 1 compliant certification)

• CompTIA A+ CE
• CompTIA Network+ CE
• Hardware maintenance and troubleshooting
• Remote Desktop & Remote Assistance software
• Server & OS Administration (Windows / Linux)
• Security management (endpoint protection, firewalls, access controls)

• Salary Range: $84,000 - $100,000 per year (commensurate with skills, experience, and contractual guidelines).
• Comprehensive Healthcare: Medical, Dental, and Vision coverage 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 Planning: 401(k) plan with company matching contributions.
• Professional Growth: Tuition reimbursement and professional development support.