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, 2026For U.S. Positions: 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.
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.
Skills Required
- Bachelor's degree or equivalent experience with 12+ years of relevant experience, or master's degree with 10+ years of experience
- Experience managing, mentoring, and fostering collaboration among engineering teams
- Experience documenting logical and physical designs using tools such as Visio, PowerPoint, Gliffy, Cameo, or MagicDraw
- Experience conducting site surveys or analyzing site survey data
- Experience creating or executing migration plans for circuits, network traffic, services, applications, or data
- Significant experience upgrading and LCR of network devices
- Expertise with LAN, WAN, TCP/UDP, IPSec, VPN, proxies, Layer 2/Layer 3 routing, and firewalls
- Experience with at least two of Cisco, Juniper, F5, Aruba, Palo Alto, Dell, Infoblox, Brocade, or Fortinet
- Experience designing and implementing medium to large network infrastructures and producing technical documentation
- Ability to troubleshoot and resolve complex network issues collaboratively
- Excellent written and verbal communication skills
- Experience presenting designs and plans to technical leadership and approval boards
- Current IAT Level II or higher certification, such as Security+ or CISSP
- Active Department of Defense Secret clearance
- Certified Cisco Network Professional (CCNP) or equivalent
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
-
Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
-
Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
-
Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.









