Senior Network Security Engineer - Vulnerability & STIG Lead

Leidos Inc

Norfolk (VA)

On-site

USD 92,000 - 167,000

Full time

12 days ago

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Job summary

Leidos is seeking a Network Engineer to lead vulnerability management and STIG compliance for NMCI infrastructure. You will provide technical leadership, approve patch deployments after lab validation, and ensure 72-hour SLA compliance across 40+ solution types supporting thousands of devices.

Responsibilities include mentoring engineers, reporting metrics to senior leadership, and leading emergency responses to zero-day vulnerabilities.

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 (F5, Cisco, Palo Alto, etc.) 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.