Senior Transport Network Engineer

Leidos; San Diego (CA); On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos is seeking a Network Engineer to lead vulnerability management and the STIG compliance program for NMCI network infrastructure. You will provide technical leadership, decide on patch deployments, and ensure a 72-hour SLA across 40+ solution types supporting thousands of production devices. The role requires a BS degree with 8–12 years of network security experience, U.S.

citizenship, and an active Secret clearance. Certifications like CISSP/CCNP are preferred.

Qualifications

• Requires B.S. Degree and 8–12 years network security and vulnerability management experience.
• Must be a U.S. Citizen with an active Secret clearance.
• CISSP, CCNP, or equivalent certifications preferred.
• DoD STIG compliance and audit experience.

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.
• Ensure 72-hour patch SLA compliance and >90% completion of quarterly STIG assessments.

Skills

Network security

Vulnerability management

STIG compliance

Vendor management

Leadership

Education

B.S. Degree

Tools

F5

Cisco

Firewalls

Job description

Description

Leidos is seeking a Network Engineer to lead vulnerability management and STIG compliance program for NMCI network infrastructure. Provide technical leadership, make authoritative patch deployment decisions, and ensure 72-hour SLA compliance across 40+ solution types supporting thousands of production devices.

More About the Role:

Leidos is seeking a Network Engineer to lead vulnerability management and STIG compliance program for NMCI network infrastructure. Provide technical leadership, make authoritative patch deployment decisions, and ensure 72-hour SLA compliance across 40+ solution types supporting thousands of production devices.

What You'll Get to Do:

• 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.

You’ll Bring These 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.

NGEN

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

August 1, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail] .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission (https://reportfraud.ftc.gov/#/) .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

#Remote

REQNUMBER: R-00188601-OTHLOC-PL-2D2400

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.