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From the employer's careers site First seen 28 Oct 2026 · Still live on 31 Oct 2026

Senior Network Engineer

Leidos Ft. Meade, MD On-site senior full-time

Salary

$92,300 - $166,850 per year

Apply on Leidos

Description

Leidos is seeking a Senior Network Engineer to join our Defense Enclave Services (DES) team at Ft. Meade, MD. The DES program is a highly demanding mission that requires expert technical and professional management to support DISA's enterprise Information Technology (IT) services.

You will be supporting a large and complex IT discovery, design, and migration effort aimed at consolidating Department of Defense (DOD) IT services into a single service provider model. This role will include discovery, analysis, design, and network migration activities necessary to move a host of DoD agencies into the modernized DoDNet environment.

Primary Responsibilities:

  • Plan and design secure network solutions to consolidate connectivity services under an enterprise service.
  • Partner with key stakeholders and technical experts to perform legacy environment discovery, assessing current capabilities, configurations, and unique requirements to develop a design and architecture leveraging approved design patterns.
  • Design secure wide area connectivity inclusive of underlay, overlay, and COI transport design that supports performance, quality of service, security, and mission requirements.
  • Provide secure access solutions leveraging wired and wireless technologies, integrating standards, use cases/scenarios, and develop associated implementation and transition plans.
  • Integrate capacity planning and scaling of network and security stack environments into the overall design of solutions.
  • Collect, investigate, and identify network optimization strategies and techniques to meet capacity and performance standards.
  • Identify legacy service paths (i.e., dataflow, firewall rulesets, and ACLs) and develop strategies and designs for the to-be enterprise service capability to meet requirements while balancing security, sustainability, and maintainability.
  • Support development of IP addressing schemes across IPv4 and IPv6 networks.
  • Work with information assurance teams to ensure compliance to DoD standards to assist with providing accreditation artifacts.

CLEARANCE REQUIREMENT:

  • Must hold an active Secret security clearance prior to start and be able to obtain a Top Secret. (US Citizenship required)

Basic Qualifications:

  • Bachelor’s degree and 8+ years of prior relevant experience. Specific experience, education, and training may be considered in lieu of degree.
  • Active DoD Secret clearance
  • Require network certification which shall meet or exceed a CCNA (comparable vendor certification accepted upon review).
  • Require active DoD IAT Level II (i.e., Security+) certification or equivalent prior to start.
  • Experience documenting logical or physical designs using drawing tools (e.g., Visio, Powerpoint, Gliffy, Cameo, MagicDraw) to depict systems, subsystems, interfaces, components, and communications of I/T applications and infrastructure.
  • Experienced and comfortable with conducting technical troubleshooting to resolve issues.
  • Experience conducting site surveys or analyzing data obtained from site surveys.
  • Experience creating or executing a migration plan to move circuits, network traffic, services, applications, or data between environments or to a commercial cloud provider. Alternatively, experience planning or executing a technology refresh or lifecycle refresh of an existing I/T system.
  • Heavily experienced in upgrading and LCR of network devices.
  • Must have broad exposure to common I/T infrastructure networking in the areas of LAN, WAN, TCP/UDP, IPSec, VPN, Proxies, Routing (L2/L3), and Firewalls.
  • Must have experience in working with two or more of the following vendor network technologies: Cisco, Juniper, F5, Aruba, Palo Alto, Dell, Brocade, and Fortinet.
  • Demonstrated experience in designing and implementing medium to large network infrastructure and producing corresponding technical documentation.
  • Must be able to work as part of a team to troubleshoot and resolve complex network issues.
  • Excellent written and verbal communication skills. This shall include drafting SOPs and technical documentation.
  • Requires ability to communicate with executive leadership (internally or client) regarding matters of significant importance to the organization/project.
  • Must be able to present designs and plans to technical leadership personnel and boards for approvals.

Preferred Qualifications:

  • Certified Cisco Network Professional (CCNP) or equivalent.
  • Demonstrated experience in one or more of the following enterprise network management tools such as PaloAlto Panorama, SolarWinds, Cisco Prime, Cisco DNA, What’s Up Gold, or Junos Space.
  • Experience in designing and implementing VTC solutions.
  • Experience with ScienceLogic SL1 and/or SolarWinds.
  • Hands-on experience with SD-WAN.
  • Demonstrate expertise in design and improvement of complex and geographically enterprise networks.
  • Expert knowledge of DoD security requirements for network infrastructure.
  • Demonstrate experience in system hardening of network infrastructure to include DoD STIG implementation.

Pay Range:

$92,300.00 - $166,850.00

Skills

Required

  • CCNA
  • Security+
  • LAN
  • WAN
  • TCP/UDP
  • IPSec
  • VPN
  • Proxies
  • Routing (L2/L3)
  • Firewalls
  • Visio
  • Powerpoint
  • Gliffy
  • Cameo
  • MagicDraw
  • Cisco
  • Juniper
  • F5
  • Aruba
  • Palo Alto
  • Dell
  • Brocade
  • Fortinet

Nice to have

  • CCNP
  • PaloAlto Panorama
  • SolarWinds
  • Cisco Prime
  • Cisco DNA
  • What's Up Gold
  • Junos Space
  • VTC solutions
  • ScienceLogic SL1
  • SD-WAN

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Odenton-MD/Senior-Network-Engineer_R-00195206

Apply on Leidos