Senior Transport Network Security Engineer & Vulnerability Lead

Leidos Inc; Columbia (MD); On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos is seeking a Network Engineer to lead vulnerability management and STIG compliance for NMCI network infrastructure. You will provide technical leadership and make patch deployment decisions to meet SLA targets across 40+ solution types supporting thousands of production devices.

You will engage vendors, mentor engineers, report program status to senior leadership, lead responses to zero-day vulnerabilities, and ensure DoD/Navy audit readiness and compliance.

Qualifications

• Requires B.S. Degree and 8-12 years network security and vulnerability management experience; years of experience can be in lieu of degree.
• Must be a U.S. Citizen and possess an active Secret clearance.
• Expert knowledge of F5, Cisco, firewalls, and enterprise network infrastructure.
• DoD STIG compliance and audit experience.
• Strong vendor relationship and escalation management skills.
• CISSP, CCNP, or equivalent certifications preferred.

Responsibilities

• Own vulnerability management program strategy and execution.
• Approve/reject patch deployments based on lab validation results.
• Lead quarterly STIG compliance assessments and audit preparation.
• Engage vendors at executive/technical levels for escalations.
• Mentor and develop mid-level and junior engineers.
• Report program status, risks, and metrics to senior leadership.
• Lead emergency response to zero-day vulnerabilities and critical patches.
• 72-hour patch SLA compliance (>90%).
• 100% completion of quarterly STIG assessments (160/year).
• Quality of patch approvals - accountable for production impact.
• Team performance, development, and retention.
• DoD/Navy audit readiness and compliance.

Skills

Vulnerability management

Network security

F5

Cisco

Firewalls

DoD STIG compliance

Secret clearance

CISSP/CCNP preferred

Education

B.S. Degree

Tools

F5 BIG-IP

Cisco IOS

Job description

Leidos is seeking a Network Engineer to lead vulnerability management and STIG compliance for NMCI network infrastructure. You will provide technical leadership and make patch deployment decisions to meet SLA targets across 40+ solution types supporting thousands of production devices.

You will engage vendors, mentor engineers, report program status to senior leadership, lead responses to zero-day vulnerabilities, and ensure DoD/Navy audit readiness and compliance.