Job was saved successfully.
Job was removed from Saved Jobs.

Job Details

Sr. Network Engineer (CAN/LAN) - TS/SCI with Poly Required


Network Engineer


Chantilly, Virginia, United States


The Digital Modernization Sector at Leidos is seeking a Network Engineer to support various controller area networks (ANs) and local area networks (LANs). This position will provide boundary protection to an enterprise level infrastructure across multiple classifications and act as subject matter experts in boundary technologies across multiple vendors.

The job duties of the Boundary Protection Engineer are as follows:

  • Interpret 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 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 Systems 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 focuses on CAN/LAN, this opportunity offers the ability to learn and work on Multiprotocol Label Switching (MPLS) Wide Area Networks (WANs)


  • TS SCI with Polygraph

  • Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years, master’s and 10 years, bachelor’s and 12 years, associates and 14 years or HS diploma and 16 years. Additional required qualifications include:

  • Compliance with DoD 8570 Information Assurance Technical (IAT) Level 2 (Security+ CE)

  • Experience specific to Network Engineering to include Tier3 or higher network operations and/or network design and implementation

Desired Qualifications:

  • 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 Border Gateway Protocol (BGP) experience a plus. Cisco Certified Network Professional (CCNP) or equivalent knowledge.

  • Ability to obtain a Cisco Certified Network Professional (CCNP) certification within one year from the date of hire.

  • Initiative and disciplined to work unsupervised as part of a network engineering team. Experience establishing process, developing documents, and organizing repositories a plus.

  • 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 Enhanced Interior Gateway Routing Protocol (EIGRP)

  • 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

Original Posting Date:


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 $87,100.00 - $157,450.00

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.