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

Healthcare

Life Insurance

Disability Insurance

Paid Holidays

PTO

401(k) matching

Tuition reimbursement

Job summary

J&T Business Consulting is seeking a Systems Administrator (Tier 2 Level 2) to join our team in Annapolis Junction, MD. The role focuses on maintaining server infrastructure, operating systems, and core applications within a secure enterprise environment.

You will provide advanced Tier 2 support, apply patches, manage configurations, and ensure strict security controls. The position emphasizes collaboration and documentation across cross-functional IT teams.

Qualifications

• Active TS/SCI with Polygraph required.
• Bachelor’s Degree in IT, CS, or related field with 10+ years of relevant experience or HS Diploma with 15+ years of experience.
• Must hold at least one IAT Level 1 compliant certification (e.g., CompTIA A+ CE, CompTIA Network+ CE).
• Experience in patch management, system configuration, and security controls.

Responsibilities

• Monitor and maintain enterprise servers, OS, and key applications.
• Apply patches and configuration changes per change management procedures.
• Provide Tier 2 support for escalated incidents and perform root cause analysis.
• Implement security controls and participate in audits and vulnerability remediation.
• Create documentation for system configurations and procedures.

Skills

TS/SCI Clearance

System administration

Patch management

Security compliance

Troubleshooting

Education

Bachelor’s Degree in IT/CS

High School Diploma / GED + 15+ years

Tools

CompTIA A+ CE

CompTIA Network+ CE

Server & OS Admin (Windows/Linux)

Remote Desktop Tools

Security Tools/Endpoint Protection

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 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.