Transport Network Engineer - Patch, STIG & Lab Lead

Leidos; Arlington (VA); On-site; USD 59,000 - 107,000; Full time

Job summary

Leidos is seeking a Network Engineer to execute patch testing in lab environments, perform STIG compliance assessments, and validate network infrastructure. You will work independently to meet a 72-hour SLA, build and maintain labs, document results, and provide deployment recommendations.

Requirements include a B.S. degree (or equivalent experience), U.S. citizenship with an active Secret clearance, and hands-on experience with F5, Cisco, or Palo Alto. CCNA/Security+ are expected certifications.

Qualifications

• Requires a B.S. Degree and 2-4 years network engineering experience (routing, switching, load balancing, firewalls).
• U.S. Citizenship and active Secret clearance required.
• Hands-on experience with F5, Cisco, Palo Alto, or similar platforms.
• STIG compliance and vulnerability management experience.
• Strong troubleshooting and root cause analysis skills.
• CCNA, Security+, or equivalent certifications required.

Responsibilities

• Execute patch testing in lab environments (standalone, HA, stacks).
• Perform quarterly STIG compliance scans and assessments.
• Build and maintain lab environments (virtual and hardware).
• Document test results and provide deployment recommendations.
• Troubleshoot patch failures and coordinate with vendors.
• Supervise and mentor junior engineer on testing activities.
• Maintain SME on 10-15 solution types.
• Test 80-100 patches/year in assigned domain (30-35% of workload).
• Complete 50-60 STIG assessments/year.
• Maintain lab availability and readiness for assigned solution types.
• Provide accurate patch recommendations to minimize false positives/negatives.
• Knowledge transfer through documentation and mentorship.

Skills

U.S. Citizenship

Active Secret Clearance

Routing

Switching

Load Balancing

Firewalls

Troubleshooting

Root Cause Analysis

Education

Bachelor's degree

Tools

F5

Cisco

Palo Alto

CCNA

Security+

Job description

Leidos is seeking a Network Engineer to execute patch testing in lab environments, perform STIG compliance assessments, and validate network infrastructure. You will work independently to meet a 72-hour SLA, build and maintain labs, document results, and provide deployment recommendations.

Requirements include a B.S. degree (or equivalent experience), U.S. citizenship with an active Secret clearance, and hands-on experience with F5, Cisco, or Palo Alto. CCNA/Security+ are expected certifications.