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

System Administrator Level 2 (TS/SCI with Polygraph Required) Annapolis Junction, United States | Posted on 07/11/2026 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. 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. Key Responsibilities 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. Shift Information Sunday to Thursday: 2:00 PM – 10:00 PM or Monday to Friday: 2:00 PM – 10:00 PM Required Qualifications Candidates must meet one of the following experience requirements: High School Diploma or GED with 15 years of relevant experience 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 One or more of the following certifications required 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 Compensation Salary Range: $70,000 – $120,000 annually Compensation is based on experience, education, certifications, security clearance level, geographic location, and contract requirements. Medical, dental, and vision insurance Life and disability coverage Paid holidays and PTO Paid parental leave 401(k) with employer match Equal Opportunity Employer We are an Equal Opportunity Employer and are committed to maintaining a diverse and inclusive workplace. All qualified applicants will receive consideration for employment without regard to any protected characteristic under applicable federal and state law. #J-18808-Ljbffr J&T Business Consulting