Network Engineer

Leidos LLC; Westphalia (MD); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos seeks a Network Project Engineer to lead end-to-end DoD network designs across JBAB, JBA, and the Pentagon. You will craft detailed architectures, guide installations, and ensure security compliance while collaborating with cross-functional teams.

The role requires DoD experience, active clearance, and Cisco DNAC/ISE expertise, with a focus on delivering secure, scalable networks for defense environments.

Qualifications

• Bachelor’s degree with a minimum of 8 years of related experience or a Master’s degree with 6+ years.
• Active DoD Secret clearance.
• Active CCNA/ CCNP Security certifications.
• Strong background in network architecture design.
• Experience documenting network architectures and procedures.
• Experience with DoD/regulated environments.
• Familiarity with RMF, STIGs and DoD 8500 series.

Responsibilities

• Lead network engineering on assigned projects.
• Develop detailed network designs aligning with DoD standards.
• Produce end-to-end network solutions and diagrams.
• Ensure compliance with DoD security practices.
• Collaborate with system engineers, project managers, and stakeholders.
• Oversee installation and configuration of network equipment.
• Maintain accurate configuration documentation.

Skills

Network design

End-to-end infrastructure

DoD security

Documentation

Project leadership

Communication

Public safety network

Visio diagrams

Education

Bachelor’s degree in a related field

Master’s degree (optional)

Tools

Cisco DNAC / Catalyst Center

Cisco ISE

RSA Authentication

Routing protocols (BGP, OSPF, EIGRP)

Job description

Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading! Are you an experienced Network Engineer looking for a new challenge and to focus on projects? The Leidos Defense Group has an exciting career opportunity waiting for you at Joint Base Andrews, Maryland. As our Network Engineer, you will play a key role in providing technical leadership and support in IT planning, solution specification/design, implementation, and target architecture development. Join our team and support the 844th Communications Group at three locations: Joint Base Anacostia Bolling (JBAB), Joint Base Andrews (JBA), and the Pentagon. You will be tasked with supporting the Air Force District of Washington (AFDW) and Headquarters Air Force (HAF) customers on NIPRNet and SIPRNet domains. To be considered for this position, you must have knowledge of information technology and commercial solutions, as well as experience designing and developing technical solutions. We are looking for a professional with excellent communication skills, a strong customer service orientation, and experience serving as an advisor to Chief Architect and other senior IT managers.

Don't miss out on this exciting opportunity to take your career to the next level. Your greatest work is ahead!

The Project Network Engineer will be responsible for researching, building, designing, diagraming end to end network solutions related to assigned projects. Duties include providing specifications for network architecture design, evaluate and perform assessments of current infrastructure to ensure solution meets customer requirements, conduct proof of concepts and/or recommend hardware/software purchases in support of new technologies on ways to improve the environment.

Network Project Engineer primary responsibilities

• Conduct Site Survey's when needed.
• Serve as the Lead Network Engineer on assigned projects.
• Develop detailed network designs and architectures that align with Department of Defense (DoD) standards.
• Work closely with system engineers, project managers, and stakeholders to ensure successful project delivery.
• Stay updated on DoD policies and best practices related to network security and design.
• Maintain accurate documentation of network configurations, installations, and changes.
• Oversee the installation and configuration of network equipment, including routers, switches, taclanes and firewalls.
• Design full scale network solutions to include but not limited to switches, routers, taclanes, F5 Load Balancers, IP Management, VPNs, DHCP, Firewalls etc.
• Utilize Visio to create, maintain and/or modify diagrams in support of assigned projects i.e., block, wiring, workflow, database, application diagrams etc.
• Ensure compliance with applicable network security protocols, including 802.1x, DOD STIGs, SRGs and other accreditation standards.
• Collaborate with cross-functional teams to integrate network infrastructure with broader IT and cybersecurity systems.
• Conduct thorough testing of network systems to ensure functionality, performance, and security compliance.
• Work closely with system engineers, project managers, and stakeholders to ensure successful project delivery.
• Maintain accurate documentation of network configurations, installations, and changes.
• Troubleshoot and resolve issues that arise during installation and testing phases.
• Collaborate with procurement teams to identify and source network hardware and software that meet project specifications.

Basic Qualifications

• Bachelor’s degree with a minimum of 8 years of related experience or a Master's degree and 6+ years of experience additional years of relevant experience may be accepted in lieu of a degree.
• Currently possess an Active DoD Secret security clearance.
• Active CompTIA Security + or CCNP Security certification (8140 Compliance).
• Active CCNA Certification (8140 Compliance).
• Strong background in network architecture design, including developing end-to-end infrastructure solutions.
• Experience in evaluating and recommending new networking technologies and tools.
• Experience documenting network architectures, diagrams, procedures, and operational baselines.
• Strong understanding of cybersecurity practices and risk management, especially at OSI Layers 1-3.
• Proven track record of developing technical solutions that require collaboration and deep analysis.
• Ability to work independently on high-impact projects or processes with minimal supervision.
• Experience with network design and implementation in federal, DoD, or other regulated environments.
• Familiarity with network accreditation processes (e.g., RMF, STIGs, DoD 8500 series compliance).
• Knowledge of COOP/DR (Continuity of Operations/Disaster Recovery) networking considerations.
• Familiarity with SDN (Software Defined Networking).
• Experienced working at the Pentagon, Joint Base Andrews (JBA), and Joint Base Anacostia-Bolling (JBAB) Knowledge of Air Force, Pentagon, and/or AFNCR.

Preferred Qualifications

• Strong knowledge of protocols, security standards, and design principles for OSI 1-4.
• Experience with Cisco technologies such as Cisco Catalyst Center (FKA DNAC) and Cisco Identity Services Engine (ISE)
• Experience evaluating and recommending new network technologies to improve system capabilities
• Proficient in configuring and troubleshooting routing protocols such as BGP, OSPF, and EIGRP.
• Solid understanding and operational experience with routing and switching technologies and protocols.
• Experience managing networking hardware including routers, switches, and load balancers.
• Practical experience in network administration and network security best practices.
• Familiarity with RSA Authentication
• Familiarity with load balancer setup and management to optimize traffic distribution.
• Experience in network monitoring, testing, and performance optimization.
• Strong written and verbal communication skills; comfortable working with cross-functional and client-facing teams.

#AFNCR 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: October 7, 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 $107,900.00 - $195,050.00 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 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.

Employment benefits include 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.