Job Description

Salary: $92,300 - 166,850 per year Requirements:

• We require a bachelors degree and 8+ years of relevant experience, though equivalent experience, education, or training may substitute for the degree.
• We require an active DoD Secret clearance before start and the ability to obtain a Top Secret clearance; U.S. citizenship is required.
• We require an active DoD IAT Level II certification, such as Security+, or an equivalent credential before start.
• We require experience documenting logical and physical network designs with tools such as Visio, PowerPoint, Gliffy, Cameo, or MagicDraw.
• We require strong technical troubleshooting skills and comfort resolving complex issues.
• We require experience conducting site surveys or analyzing site survey data.
• We require experience creating or executing migration plans for circuits, traffic, services, applications, or data, or planning/executing technology refreshes.
• We require substantial experience upgrading and managing the lifecycle replacement of network devices.
• We require broad knowledge of networking across LAN, WAN, TCP/UDP, IPSec, VPN, proxies, routing, and firewalls.
• We require experience with at least two vendor technologies such as Cisco, Juniper, F5, Aruba, Palo Alto, Dell, Brocade, or Fortinet.
• We require demonstrated experience designing and implementing medium to large network infrastructures with supporting technical documentation.
• We require the ability to work collaboratively to troubleshoot and resolve complex network problems.
• We require excellent written and verbal communication skills, including the ability to draft SOPs and technical documentation.
• We require the ability to communicate effectively with executive leadership on high-impact matters.
• We require the ability to present designs and plans to technical leadership and review boards for approval.
• Preferred: CCNP or equivalent certification.
• Preferred: experience with enterprise network management tools such as Palo Alto Panorama, SolarWinds, Cisco Prime, Cisco DNA, WhatsUp Gold, or Junos Space.
• Preferred: experience designing and implementing VTC solutions.
• Preferred: hands-on experience with SD-WAN.
• Preferred: advanced expertise in designing and improving complex geographically distributed enterprise networks.
• Preferred: deep knowledge of DoD network security requirements.
• Preferred: experience hardening network infrastructure, including DoD STIG implementation.

• We plan and design secure network solutions that consolidate connectivity services into an enterprise model.
• We partner with stakeholders and technical subject matter experts to assess legacy environments, current capabilities, configurations, and unique needs.
• We develop network designs and architectures based on approved design patterns.
• We design secure wide-area connectivity, including underlay, overlay, and COI transport components, to meet performance, QoS, security, and mission objectives.
• We provide secure access solutions using wired and wireless technologies and develop associated implementation and transition plans.
• We incorporate capacity planning and scaling for network and security environments into solution design.
• We evaluate network optimization strategies to achieve capacity and performance targets.
• We identify legacy service paths, including data flows, firewall rulesets, and ACLs, and develop successor enterprise service designs.
• We support IP addressing design across IPv4 and IPv6 networks.
• We work with information assurance teams to ensure compliance with DoD standards and support accreditation artifact development.

• Aruba
• Cisco
• Firewall
• Support
• LAN
• Network
• Security
• VPN
• Cloud

More:

We are Leidos, an industry and technology leader serving government and commercial customers with smarter digital and mission-focused innovations. We are hiring a Senior Network Engineer for our Defense Enclave Services team in Fort Meade, Maryland, supporting a demanding DoD IT discovery, design, and migration effort to modernize and consolidate enterprise services into the DoDNet environment. Our work environment is mission-driven and fast-moving, and we offer competitive compensation along with health and wellness programs, income protection, paid leave, and retirement benefits. The posted pay range for this role is $92,300 to $166,850, subject to experience, education, skills, and internal and market factors.

last updated 23 week of 2026

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