Remote Senior Network Security Engineer — Patch Lead

Leidos; Jacksonville (FL); On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos in Jacksonville, FL is seeking a Network Engineer to lead vulnerability management and STIG compliance across DoD NMCI network infrastructure, making patch decisions and ensuring 72-hour SLA across 40+ solution types. You will mentor mid-level and junior engineers, report status to senior leadership, and engage vendors for escalations while ensuring DoD audit readiness and high-quality production patches.

This role requires U.S.

Qualifications

• Requires a B.S. degree and 8–12 years of network security and vulnerability management experience.
• Must be a U.S. Citizen with 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 patch deployments based on lab validation results.
• Lead quarterly STIG compliance assessments and audits.
• Engage vendors at executive and 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.
• Ensure 72-hour patch SLA compliance across production.
• Complete quarterly STIG assessments (160/year).
• Manage team performance, development, and retention.

Skills

U.S. Citizenship

Secret clearance

F5

Cisco

Firewalls

Enterprise network

Vulnerability management

STIG compliance

Education

Bachelor's degree

Job description

Leidos in Jacksonville, FL is seeking a Network Engineer to lead vulnerability management and STIG compliance across DoD NMCI network infrastructure, making patch decisions and ensuring 72-hour SLA across 40+ solution types. You will mentor mid-level and junior engineers, report status to senior leadership, and engage vendors for escalations while ensuring DoD audit readiness and high-quality production patches.

This role requires U.S.