TS/SCI Systems & Network Admin | Service Desk

Leidos LLC; Maryland; On-site; USD 59,000 - 107,000; Full time

Benefits offered by this job

401(k) match

Generous PTO

Flexible schedules

Parental leave

Upskilling/education support

Stock purchase plan

Job summary

Leidos seeks a Systems Network Administrator (TS/SCI w/ Poly) to join the National Security Sector’s Cyber & Analytics Business Area. You will implement, troubleshoot, and maintain IT systems across client/server, storage, and network environments, with hands-on support at headquarters and across the enterprise.

Configure Windows, Linux, and UNIX systems, manage VPN and PKI tasks, and provide Tier 1 and 2 support while documenting SOPs.

Qualifications

• 5+ years of experience as a Systems Administrator (or similar role).
• Bachelor's degree in a technical field. Experience can be used in lieu of degree.
• Active TS/SCI with Polygraph (required).
• CompTIA Security+ (current).
• Certifications listed as accepted: CompTIA Security+, MTA-IT, MCSA, MCITP.

Responsibilities

• Support the implementation, troubleshooting, and maintenance of IT systems.
• Manage and monitor client/server, storage, and network environments.
• Provide Tier 1 (Help Desk) and Tier 2 (escalation) support.
• Troubleshoot system issues and apply patches, updates, and configuration changes.
• Manage user accounts, password resets, VPN access, and PKI-related tasks.
• Configure and maintain Windows, Linux, and UNIX systems.
• Support virtualized and storage environments.
• Document processes, SOPs, and troubleshooting procedures.
• Contribute to reports and technical deliverables.
• Use ticketing systems and internal tools to track and resolve issues.

Skills

Systems administration

Windows/Linux/UNIX

Education

Bachelor's degree in a technical field

Job description

Leidos seeks a Systems Network Administrator (TS/SCI w/ Poly) to join the National Security Sector’s Cyber & Analytics Business Area. You will implement, troubleshoot, and maintain IT systems across client/server, storage, and network environments, with hands-on support at headquarters and across the enterprise.

Configure Windows, Linux, and UNIX systems, manage VPN and PKI tasks, and provide Tier 1 and 2 support while documenting SOPs.