Network Design Engineer

Leidos Holding$73K — $132K *
Telecommunications & Hardware
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • TS/SCI with Poly clearance required.
  • 10 years of combined experience in networking and education.
  • DoD 8140 IAT Level 2 compliance necessary.
  • Experience in Tier III network operations or higher.
  • Proficient with Cisco, Brocade, and/or Juniper hardware configurations.
  • Hands-on experience with OSPF or BGP protocols.
  • Experience in CAN/LAN network engineering and design.

Responsibilities

  • Interpret and document customer networking requirements with detailed designs.
  • Evaluate new technologies in a private test lab and support production network testing.
  • Schedule migration of user connections with minimal downtime.
  • Provide technical guidance to operations engineers on fault resolution.
  • Create secure network designs that meet DISA STIGs.
  • Supervise network support specialists in service planning and implementation.
  • Develop and refine team processes for improved efficiency.

Benefits

  • Professional growth opportunities in advanced network technologies.
  • Collaborative work environment with a focus on innovation.
  • Access to a private test lab for hands-on experimentation.
  • Unique involvement in modernizing a global enterprise network architecture.
  • Potential for cross-training in MPLS WAN technologies.
Full Job Description
The Digital Modernization Sector at Leidoshas an opening for a Design Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support our customer's global enterprise networks. The CAN/LAN service network architecture provides solutions for modernizing network components while supporting service delivery for customer requirements in a mission-focused operational enterprise. Our team is completely replacing a global enterprise network while providing design, engineering, and transition for a wide range of customer network requirements. This is a unique and rare opportunity to build and transition critical operations to a modern service provider network architecture.

The job duties are as follows:
  • Interpret customer requirements and apply standard design approaches for service delivery. Fully document designs with diagrams, bill of materials, cabling sheets, configurations, and other supporting documents.
  • Use our private test lab to evaluate new technologies and capabilities, test proposed changes to production networks, and recreate troubleshooting scenarios to support the production enterprise network.
  • Schedule maintenance windows for migrating user connections from legacy to the modern infrastructure transition services with little to no impact on critical data flows.
  • Provide technical expertise to Operations engineers and technicians, supporting fault isolation and resolution. Solve tough problems with innovative and scalable solutions.
  • Develop secure network designs including configurations that align with Defense Information Security Agency (DISA) Security Technical Implementation Guides (STIGs) and enterprise policies. Obtain Authority to Operate (ATO) for new devices, software, and capabilities.
  • Supervise (not manage) other network support specialists to plan, coordinate, and implement network services.
  • Develop and improve design products, processes, and systems for our team to work efficiently and effectively.
  • Although this position is focused on CAN/LAN, this opportunity offers the ability to learn and work on Multiprotocol Label Switching (MPLS) Wide Area Networks (WANs).


Basic Requirements
  • Required Clearance: TS/SCI with Poly
  • Candidate must have 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years, master's and 4 years, bachelor's and 6 years, associates and 8 years or HS diploma and 10 years.
  • Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2.
  • Experience specific to network engineering to include Tier III or higher network operations and/or network design and implementation.
  • Prior responsibility for production network hardware configurations for Cisco, Brocade, and/or Juniper.
  • Hands-on experience implementing and troubleshooting standard routing protocols in a production network, such as Open Shortest Path First (OSPF) or Border Gateway Protocol (BGP)
  • Hands-on experience implementing and troubleshooting standard switching and trunking protocols in a production network, such as Virtual Local Area Networks (VLANs), 802.1q, and port-channels.
  • Network engineering and design experience specific to CAN/LAN. Experience should include application of industry standards, developing configurations, and integration of solutions into production environments.
  • Network engineering and design experience with MPLS WANs, network management tools, and firewalls.
  • Expert knowledge of routing and switching protocols and the ability to demonstrate knowledge through briefings and documentation. Extensive BGP experience a plus.
  • Cisco Certified Network Professional (CCNP) or equivalent knowledge.
  • Initiative and disciplined to work unsupervised as part of a network engineering team. Experience establishing process, developing documents, and organizing repositories a plus.


Original Posting:
July 24, 2026

Pay Range:
Pay Range $73,450.00 - $132,775.00

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.

About Leidos Holding

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Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

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At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

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Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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