Senior TS/SCI Systems Administrator (Tier 2)

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

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.