Network Engineer: Patch Testing, STIG & Lab Validation

Leidos; 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. The role requires a B.S. degree with 2-4 years of network engineering experience and active U.S.

citizenship with a Secret clearance. You will build lab environments, document results, and provide deployment recommendations while mentoring junior engineers and maintaining expertise across multiple solution types.

Qualifications

• Requires a B.S. Degree and 2-4 years network engineering experience.
• US citizenship and an 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 engineers 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.

Skills

Patch testing

STIG compliance

Lab validation

Troubleshooting

Root cause analysis

Vendor coordination

Mentoring

Testing strategy

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. The role requires a B.S. degree with 2-4 years of network engineering experience and active U.S.

citizenship with a Secret clearance. You will build lab environments, document results, and provide deployment recommendations while mentoring junior engineers and maintaining expertise across multiple solution types.