Network Discovery Lead

Leidos is seeking an experienced Network Discovery Lead to join our Defense Enclave Services (DES) team, who will support an extensive digital modernization program critical to Defense Information Systems Agency (DISA) and Department of Defense (DoD) Fourth Estate Agencies (DAFAs).

The Network Discovery Lead will oversee a team of network engineers and analysts responsible for performing virtual and physical discovery of DAFA networks and associated analyses to establish a detailed network migration plan for each DAFA’s journey to the DoDNet environment.

Must be willing to commute to Ft. Meade, MD 2 days per week and require an active DOD Secret clearance.

Primary Responsibilities:

• Manage multiple teams of engineers and analysts tasked with performing physical and virtual discovery of DAFA networks and analysis of collected data to establish a detailed plan for network migrations to DoDNet.

• Mentor network engineers while collaborating closely with the Network Engineering Lead and Project Managers to ensure alignment and team growth.

• Continuously seek process enhancements to streamline and accelerate network discovery, analysis, and planning.

• Plan and design secure network solutions to consolidate or migrate 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 that uses standard 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.

Basic Qualifications:

• Bachelor’s degree or equivalent experience and 12+ years of prior relevant experience or Master’s degree with 10+ years of experience. Specific experience, education and training may be considered in lieu of degree.

• Experience managing teams of engineers, including mentoring and fostering communication and collaboration across the team.

• Experience documenting logical and physical designs using drawing tools (e.g. Visio, Powerpoint, Gliffy, Cameo, MagicDraw) to depict systems, subsystems, interfaces, components, and communications of IT applications and infrastructure.

• 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. 

• Significant experience upgrading and LCR of network devices.

• Expertise with common IT infrastructure networking in the areas of LAN, WAN, TCP/UDP, IPSec, VPN, Proxies, Routing(L2/L3), and Firewalls.

• Experience working with two or more of the following network technologies: Cisco, Juniper, F5, Aruba, Palo Alto, Dell, Infoblox, Brocade, and Fortinet.

• Experience in designing and implementing medium to large network infrastructure and producing corresponding technical documentation.

• Able to work as part of a team to troubleshoot and resolve complex network issues.

• Excellent written and verbal communication skills

• Experience presenting designs and plans to technical leadership personnel and boards for approvals.

• Current IAT Level II (or higher) Certification such as Security + or CISSP

• Must have an active DOD Secret clearance.

Preferred Qualifications:

• Certified Cisco Network Professional (CCNP) or equivalent.

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 1, 2026

Pay Range:

Pay Range $116,350.00 - $210,325.00

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.