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

Retirement plan with matching

Education and training support

Paid holidays and PTO

Job summary

J&T Business Consulting seeks a Systems Administrator (Tier 2 Level 2) in Annapolis, MD, to maintain secure server infrastructure and core applications in a TS/SCI environment. You will handle advanced support, patching, and configuration changes while upholding strict security controls.

Responsibilities include system health, incident troubleshooting, access management, and cross-functional collaboration on IT projects. A deep focus on security, audits, and documentation is required.

Qualifications

• Active TS/SCI security clearance with a current Polygraph.
• Extensive IT/systems administration experience (HS or BS path).
• Experience with Windows and Linux server environments.

Responsibilities

• Monitor, manage, and maintain enterprise servers and core applications.
• Apply patches and configuration changes per change management.
• Perform health checks, capacity planning and performance tuning.
• Provide Tier 2 escalated technical support and diagnose complex incidents.
• Manage user accounts, access controls, and permissions.
• Install, configure, and deploy new systems and tools.
• Ensure security controls and compliance across systems.
• Use monitoring tools to track performance and respond to incidents.
• Document configurations, procedures, and IT standards.

Skills

TS/SCI clearance with polygraph

15+ years IT/systems administration

10+ years with BS in IT/CS

Windows & Linux admin

Security policy enforcement

Education

High School Diploma / GED

Bachelor’s Degree in IT / Computer Science

Tools

Remote Desktop tools

Endpoint protection tools

Firewalls & access management tools

Change management systems

Job description

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

Annapolis, United States

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.