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

J&T Business Consulting; Maryland; On-site; USD 70,000 - 120,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Life and disability coverage

Paid holidays and PTO

Paid parental leave

401(k) with employer match

Job summary

J&T Business Consulting in Maryland is seeking a System Administrator Level 2 (TS/SCI with Polygraph) to install, monitor, and troubleshoot telecommunications and network infrastructure in a 24/7 environment. You will maintain system availability, respond to incidents, and coordinate with stakeholders to ensure continuous operations.

Required: TS/SCI with polygraph, strong problem-solving ability, and NOC or mission-critical system experience.

Qualifications

• Active TS/SCI security clearance with current polygraph is required.
• Experience in network operations center (NOC) or systems administration is preferred.
• Ability to work in a shift-based mission-critical environment.

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 for incident response.
• Provide notifications and updates regarding system events and outages.
• Perform router and switch updates to meet security and operational requirements.
• Troubleshoot system issues and support incident resolution.
• Maintain documentation of system status, changes, and incidents.
• Support operational readiness of mission-critical systems.

Skills

Strong problem-solving skills

NOC experience

Shift work

Education

HS Diploma + 15 years experience

Bachelor’s degree + 10 years experience

Tools

CySA+

Security+ CE

GSEC

GICSP

SSCP

Job description

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

Annapolis Junction, United States

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

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

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.