Remote Network Lab Engineer - Patch Testing & STIGs

Leidos; Jacksonville (FL); Remote; USD 59,000 - 107,000; Full time

Job summary

Leidos is seeking a Network Engineer to execute patch testing, STIG compliance assessments, and lab validation for assigned network infrastructure domains. You will work independently with minimal oversight to ensure thorough testing and accurate recommendations supporting a 72-hour SLA.

You’ll build and maintain lab environments, document test results, troubleshoot failures with vendors, and mentor junior engineers. The role requires hands-on experience with F5, Cisco, and Palo Alto, a U.S.

Qualifications

• Bachelor’s degree or 2–4 years networking experience in routing, switching, load balancing, and 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 subject matter expertise on 10-15 solution types.
• Test 80-100 patches/year in assigned domain (30-35% of team workload).
• Complete 50-60 STIG assessments/year.
• Maintain lab availability and readiness for assigned solution types.
• Accurate patch recommendations - minimize false positives/negatives.
• Knowledge transfer through documentation and mentorship.

Skills

Routing

Switching

Load balancing

Firewalls

Troubleshooting

Root cause analysis

Education

CCNA

Security+

Tools

F5

Cisco

Palo Alto

Job description

Leidos is seeking a Network Engineer to execute patch testing, STIG compliance assessments, and lab validation for assigned network infrastructure domains. You will work independently with minimal oversight to ensure thorough testing and accurate recommendations supporting a 72-hour SLA.

You’ll build and maintain lab environments, document test results, troubleshoot failures with vendors, and mentor junior engineers. The role requires hands-on experience with F5, Cisco, and Palo Alto, a U.S.