Lead Network Engineer

Leidos Inc; Arlington (VA); On-site; USD 116,000 - 210,000; Full time

Job summary

Leidos is seeking a senior network engineering expert to design, test, and deploy enterprise networks and cloud connectivity. You will maintain WAN/LAN, DNS, wireless and related infrastructure while supporting DHS/CISA environments with high-level technical guidance.

Applicants should bring 10+ years in network engineering, a TS/SCI-eligible background, and a degree in engineering or CS. This on-site Arlington, VA position offers a competitive pay range and rigorous mission-driven work.

Qualifications

• Active Top Secret clearance with SCI eligibility or equivalent
• 10+ years in network engineering and design preferred
• Bachelor's degree in engineering, computer science, or information systems or 15 years of IT architecture/engineering experience in lieu of degree
• Experience with SDN, IAM, mobility, imaging, collaboration, cloud hosting and cloud connectivity

Responsibilities

• Serve as SME in network engineering design, testing, and deployment
• Engineer, design, test, and implement enterprise network infrastructure
• Maintain design and integrity of WAN, LAN, DNS, wireless and cloud environments
• Provide expert technical assistance to team and Government on high-level requests

Skills

Network design

Testing

Deployment

Communication

Education

Bachelor's degree in engineering or CS

Tools

Software defined networking

IAM

Cloud hosting

Job description

Description

Primary Responsibilities.

• Serve as the subject matter expert in the areas of network engineering design, testing, and deployment.
• Engineer, design, test, and implement an enterprise network infrastructure and technologies
• Responsible for maintaining the design and integrity of CISA Wide Area Network (WAN), Local Area Network (LAN), Enterprise Network Tools, Domain Name Servers (DNS), Wireless, and Cloud environments.
• Provide expert technical assistance to team members and Government with high-level system and networking requests and solution identification

Basic Qualifications.

• Active Top Secret clearance with Sensitive Compartmented Information (SCI) eligibility.
• Minimum of 10 years of experience in network engineering and design.
• Bachelor's degree in engineering, computer science, or information systems. In lieu of a bachelor's degree, an additional 10 years' experience in IT architecture and engineering for a total of 15 years of experience.
• Experience installing, configuring, and managing software defined network, identity and access management, mobility, imaging, collaboration capabilities, cloud hosting, and communication services and solutions.
• Experience engineering, designing, testing, and implementing secure and reliable network connectivity to cloud services (e.g., commercial cloud services providers (CSPs), private cloud, and hybrid cloud).
• Strong communication skills with excellent verbal and written skills.

Preferred Qualifications.

• Experience supporting DHS, CISA, or another highly classified Federal environment.
• Experience with DHS Enterprise Architecture policies, standards, and procedures.

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 25, 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 $116,350.00 - $210,325.00

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.

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.