Network Routing Design Engineer Senior

The SMIT-MCEN program for Leidos currently has an opening for a Network Routing Design Engineer Senior to work in Quantico VA. This is an exciting opportunity to use your experience helping with the SMIT-MCEN mission. The Network Routing Design Engineer Senior will assist the Government Lead with daily network engineering activities including the design configuration administration troubleshooting and optimization of enterprise Local Area Networks (LAN) Base Area Networks (BAN) and Wide Area Networks (WAN) .

SMIT is the largest IT services program for the Navy. Under the Service Management Integration and Transport portion of NGEN-R the Leidos team will deliver the core backbone of the Navy-Marine Corps Intranet including cybersecurity services network operations service desk and data transport. Ultimately Leidos will support the Navy in unifying its shore-based networks and data management to improve capability and service while also saving significant dollars by focusing efforts under one enterprise network.

Primary responsibilities include but are not limited to:

• Design develop implement and integrate enterprise network routing solutions utilizing Border Gateway Protocol (BGP) Enhanced Interior Gateway Routing Protocol (EIGRP) Open Shortest Path First (OSPF) and Virtual Routing and Forwarding (VRF) technologies.
• Design and implement network security solutions utilizing Multi-Protocol Label Switching (MPLS) Access Control Lists (ACLs) Internet Protocol Security (IPsec) Layer 2 Virtual Private Networks (L2 VPNs) and other approved network security technologies.
• Evaluate network architecture communication hardware and software to develop scalable secure and resilient network solutions that support operational and mission requirements.
• Plan coordinate and execute network conversions cutovers upgrades and migrations while minimizing service disruptions and maintaining operational continuity.
• Perform Capacity and Demand Management activities in accordance with USMC Circuit Management processes including network utilization assessments traffic analysis and traffic shaping design.
• Develop maintain and manage Internet Protocol (IP) addressing schemes network address allocations and associated documentation to support enterprise network operations.
• Design configure and optimize network services including Domain Name System (DNS) Dynamic Host Configuration Protocol (DHCP) and directory services replication.
• Design and integrate secure web access solutions supporting Hypertext Transfer Protocol ( and Hypertext Transfer Protocol Secure ( including caching proxy services URL filtering and content inspection.
• Develop and implement proxy filtering solutions that support category-based filtering policy scheduling and automated filtering updates from Government-approved providers.
• Design and integrate anti-malware inspection and other network security capabilities to strengthen enterprise cybersecurity protections.
• Support the development and integration of Identity and Access Management (IAM) requirements including Public Key Infrastructure (PKI) certificate-based authentication and two-factor authentication for enterprise network resources.
• Design and integrate network solutions supporting application ports protocols Information Assurance (IA) requirements routing and LAN connectivity.
• Oversee Rights Management Services for administrators users and groups to ensure appropriate access controls and compliance with Government security policies.
• Design configure and integrate multivendor network solutions utilizing Cisco Juniper Brocade and other enterprise networking technologies.
• Perform network performance assessments configuration reviews troubleshooting and testing of complex large-scale enterprise networks to identify and resolve operational issues.
• Ensure network designs and implementations support Navy Marine Corps Defense Information Systems Agency (DISA) and Joint interoperability requirements.
• Monitor and implement applicable security updates configuration changes and network hardening requirements in accordance with Government policies and established cybersecurity standards.
• Develop and maintain technical documentation network diagrams implementation plans configuration baselines and engineering recommendations to support network modernization and sustainment efforts.
• Provide senior-level technical expertise and recommendations to Government stakeholders and engineering teams regarding network architecture performance optimization security and operational improvements.

Basic Qualifications:

• Bachelors Degree in Computer Science Management Information Systems (MIS) Business or a related field. Additional experience may be substituted in lieu of degree.
• Minimum of 10 years of relevant experience in enterprise network engineering routing design implementation and troubleshooting.
• US Citizen with an active DoD Secret security clearance.
• Must possess an Information Assurance Technician (IAT) Level III certification in accordance with applicable DoD requirements.
• Must possess an Information Technology Infrastructure Library (ITIL) Version 3 Foundation certification.
• Must possess a professional-level certification in one or more networking technologies such as Cisco Certified Network Professional (CCNP) Juniper Networks Certified Internet Professional (JNCIP) or equivalent. Demonstrated relevant experience may be considered in lieu of a professional-level vendor certification subject to contract requirements.
• Extensive experience designing configuring and troubleshooting enterprise routing protocols including BGP EIGRP OSPF and VRF.
• Experience with network security technologies including MPLS ACLs IPsec and Layer 2 VPNs.
• Hands-on experience with Cisco Juniper Brocade or comparable enterprise networking equipment.
• Strong understanding of DNS DHCP IP address management proxy services and URL filtering.
• Experience with performance analysis capacity planning traffic management and optimization of large-scale enterprise networks.
• Ability to develop technical documentation evaluate network design alternatives and communicate engineering recommendations to technical teams and Government stakeholders.

Preferred Qualifications:

• Cisco Certified Network Professional (CCNP) Routing and Switching CCNP Enterprise or CCNP Service Provider certification.
• Juniper Networks Certified Internet Professional (JNCIP) certification.
• Experience supporting the Marine Corps Enterprise Network (MCEN) Navy Marine Corps Intranet (NMCI) or comparable Department of Defense enterprise networks.
• Experience with Navy/Marine Corps DISA and Joint network interoperability requirements.
• Experience designing and integrating multivendor enterprise routing and switching environments.
• Familiarity with DoD cybersecurity policies Security Technical Implementation Guides (STIGs) and network security compliance requirements.
• Experience supporting network modernization enterprise migrations and large-scale infrastructure integration projects.

NGEN

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:

October 26 2026

For 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.

Pay Range:

Pay Range $92300.00 - $166850.00

The Leidos pay range for this job level is a general guideline onlyand 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.

Required Experience:

IC