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From the employer's careers site First seen 25 Oct 2026

Sr. Network Design Engineer - Access

Leidos Chantilly, VA senior full-time

Salary

$92,300 - $166,850 per year

Apply on Leidos

Description

We are seeking a Sr. Network Design Engineer (Access) to support our customer's WAN and LAN networks. You will provide network design, upgrades, and configuration support to the architecture team, act as a subject matter expert in WAN and LAN technologies and vendors, and support the customer's intra- and inter-net and other data communications systems.

Responsibilities:

  • Design and improve overall MPLS network architecture and network services. Maintain relevant technical documentation.
  • 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.
  • Perform lab equipment, software, application, and network services solution evaluation, testing, integration with NMS, and security certification.
  • Evaluate new network technologies, solutions, and services.
  • Interpret customer requirements and apply industry standard design approaches for service delivery. Fully document designs with diagrams, bill of materials, cabling sheets, configurations, and briefings.
  • Provide technical expertise to Operations engineers and technicians, supporting fault isolation and resolution. Solve complex problems with innovative and scalable solutions.
  • Configure and troubleshoot Quality of Service (QoS) and traffic optimization to maximize bandwidth usage.
  • Support Tier-4 production troubleshooting and develop proactive network analysis solutions for the Operations team.
  • Leverage complex network analysis tools to identify and predict problems in the network and aid in post-mortem analysis of network anomalies.

Requirements:

  • Required Clearance: TS/SCI with Poly
  • 16 years of experience (combination of work history and education)
  • Compliant with DoD 8140 Information Assurance Technical (IAT) Level 2
  • Juniper certification or training: JNCIA, JNCIP, and JNCIE
  • Experience in developing and implementing methodologies for analysis, testing, and support of CAN/LAN and WAN networks
  • Familiar with firewalls and network timing
  • Experience with network equipment and solution rollouts, as well as engineering documentation
  • Experience with operations and maintenance activities of MPLS networks, MPLS VPN services
  • Experience using complex network analysis tools to identify and correct problems in the network while maintaining logs and records
  • Knowledge of routing and switching protocols and the ability to demonstrate knowledge through briefings and documentation

Pay Range: $92,300.00 - $166,850.00

Skills

Required

  • MPLS
  • WAN
  • LAN
  • Juniper
  • DISA STIGs
  • QoS
  • network analysis
  • BGP
  • firewalls
  • network timing

Nice to have

  • Extensive BGP experience

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Chantilly-VA/Sr-Network-Design-Engineer---Access_R-00191927

Apply on Leidos