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

Comprehensive healthcare

Life & disability insurance

Paid holidays & PTO

401(k) matching

Tuition reimbursement

Job summary

J&T Business Consulting in Annapolis Junction, MD, seeks a Tier 2 Level 1 Systems Administrator to support, maintain, and optimize server infrastructure and applications in a secure enterprise environment.

The role requires an active TS/SCI with a current Polygraph, 10+ years in IT/systems administration (or 5+ with a Bachelor's), and relevant certifications. Responsibilities include patch management, system configurations, incident resolution, audits, and documentation.

Qualifications

• Clearance: Active TS/SCI with Polygraph is required.
• Education & Experience: 10+ years IT/systems administration; OR Bachelor’s with 5+ years of experience.
• Certifications: at least one IAT Level 1 compliant certification (e.g., A+ CE, Network+ CE).

Responsibilities

• Monitor, manage, and maintain enterprise servers, operating systems, and core applications.
• Apply patches and configuration changes per change management policies.
• Provide advanced Tier 2 support and resolve complex system, application, and network issues.
• Ensure security controls and compliance across systems; participate in audits and vulnerability remediation.
• Document configurations, procedures, and operational standards.

Skills

System administration

Patch management

Security compliance

Troubleshooting

Access control

Windows/Linux

Education

Bachelor's Degree in IT/CS

High School Diploma / GED

Tools

Remote Desktop

Monitoring tools

Antivirus software

Job description

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

Annapolis, United States | Posted on 11/02/2026

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.