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, 2026For 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.
The Leidos pay range for this job level is a general guideline only and 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.
Skills Required
- B.S. degree or equivalent experience with 8-12 years network security and vulnerability management experience
- U.S. Citizen
- Active Secret clearance
- Expert knowledge of F5, Cisco, Palo Alto, and firewalls
- DoD STIG compliance and audit experience
- Strong vendor relationship and escalation management skills
- CISSP, CCNP, or equivalent certifications
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
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