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# System Administrator Level 2 (TS/SCI with Polygraph Required)

- **Company:** J&T Business Consulting
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Salary:** $70,000.0 - $150,000.0
- **Contract:** Permanent contract
- **Skills:** CompTIA Security+, Cyber Security, Monitoring of Systems, Issue Tracking Systems, Network Troubleshooting, Microsoft Security Essentials, Network Architecture, Data Logging, Network Routers, Computer Networking Systems, Computer Network Operations, System Availability, Cisco
- **Published:** July 2, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=9c9af7fc1320611b

## About the Role

The ideal candidate will have strong technical troubleshooting skills, experience in network/system operations, and the ability to work in a shift-based mission-critical environment., Candidates must meet one of the following experience requirements:

 * High School Diploma or GED with 15 years of relevant experience
OR

 * Bachelor's degree with 10 years of relevant experience

Required Certifications & Skills

 * Active TS/SCI security clearance with current polygraph (required)
 * Strong creative problem-solving skills
 * IAT Level II certification (DoD 8570 baseline requirement), * Cisco Certified Network Associate (CCNA) - Security
 * CompTIA Cybersecurity Analyst (CySA+)
 * CompTIA Security+ CE
 * GIAC Security Essentials (GSEC)
 * Global Industrial Cyber Security Professional (GICSP)
 * Systems Security Certified Practitioner (SSCP)

Preferred Experience

 * Experience in network operations center (NOC) or systems administration environments
 * Familiarity with Cisco networking equipment (routers and switches)
 * Experience supporting secure, high-availability systems in mission-critical environments
 * Incident response, monitoring, and ticketing system experience

## Description

We are seeking a System Administrator Level 2 to support the installation, maintenance, monitoring, and troubleshooting of telecommunications and network infrastructure systems in a 24/7 operational environment. This role involves ensuring continuous system availability, responding to incidents, coordinating with internal and external stakeholders, and performing routine system updates and security-related maintenance activities., * Install, maintain, and repair telecommunications systems and network infrastructure.

 * Provide 24/7 system and infrastructure monitoring, including alerting, logging, ticketing, and reporting.
 * Perform administrative support functions related to system operations and maintenance.
 * Coordinate with ISP personnel, network operations staff, and customer support teams to ensure situational awareness and incident response.
 * Provide notifications and updates regarding system events and outages.
 * Perform router and switch updates in support of security and operational requirements.
 * Troubleshoot system issues and support resolution of operational incidents.
 * Maintain accurate documentation of system status, changes, and incidents.
 * Support ongoing operational readiness of mission-critical systems.


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