Network Engineer: Patch & STIG Lab Specialist

Leidos Inc; Columbia (MD); On-site; 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. Work independently with minimal oversight to ensure thorough testing and accurate recommendations supporting a 72-hour SLA.

You will build and maintain lab environments, document test results, troubleshoot patch failures, and mentor junior engineers while maintaining expertise across 10–15 solution types. U.S.

Qualifications

• Requires a B.S. degree or equivalent experience.
• Active Secret clearance and U.S. citizenship required.
• Hands-on experience with F5, Cisco, Palo Alto or similar platforms.
• Experience with STIG compliance and vulnerability management.
• Strong root-cause analysis and troubleshooting 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 knowledge on 10-15 solution types.
• Test 80-100 patches/year in the assigned domain.
• Complete 50-60 STIG assessments/year.
• Maintain lab availability and readiness for assigned solution types.
• Provide accurate patch recommendations minimizing false positives/negatives.
• Knowledge transfer through documentation and mentorship.

Skills

U.S. citizenship

Security clearance

Troubleshooting

Lab testing

STIG compliance

CCNA/Security+

Education

B.S. Degree

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. Work independently with minimal oversight to ensure thorough testing and accurate recommendations supporting a 72-hour SLA.

You will build and maintain lab environments, document test results, troubleshoot patch failures, and mentor junior engineers while maintaining expertise across 10–15 solution types. U.S.