Lead Network Engineer

Leidos LLC; Arlington (VA); On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos LLC is seeking a senior network engineer to lead design, testing, and deployment of enterprise networks across WAN/LAN, DNS, wireless, and cloud environments. The role emphasizes maintaining design integrity and delivering expert support to government teams.

Requires 10+ years of network engineering experience, a relevant bachelor’s degree (or 15 years total IT experience in lieu), and TS clearance eligibility. Reston, VA-based position with competitive compensation and benefits.

Qualifications

• Active Top Secret clearance with 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., CSPs, private cloud, hybrid cloud).
• Strong communication skills with excellent verbal and written skills.

Responsibilities

• Serve as the subject matter expert in network engineering design, testing, and deployment.
• Engineer, design, test, and implement an enterprise network infrastructure and technologies.
• Maintain the design and integrity of CISA WAN, LAN, Enterprise Network Tools, DNS, Wireless, and Cloud environments.
• Provide expert technical assistance to team members and Government with high-level system and networking requests and solution identification.

Skills

Network engineering

Strong communication

Cloud networking

SDN

IAM

Education

Bachelor’s degree in engineering, computer science, or information systems

Tools

Software defined networking (SDN)

Cloud hosting

DNS

Job 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.

Pay Range $92,300.00 - $166,850.00

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.

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 $17.2 billion for the fiscal year ended January 2, 2026. 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.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave and Retirement

More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

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.