Network Switching Design Engineer Senior

Posted Yesterday
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Jacksonville, NC, USA
In-Office
92K-167K Annually
Senior level
Information Technology • Software
The Role
Designs, integrates, implements, and administers large-scale LAN, BAN, WAN, and data center switching networks. Responsibilities include network cutovers, IP address management, VoIP, Active Directory and LDAP services, PKI-based authentication, VLANs, ACLs, L2 VPNs, routing, security compliance, troubleshooting, and multivendor Cisco, Juniper, and Brocade solutions.
Summary Generated by Built In

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.


The Leidos team delivers the core backbone of the Navy-Marine Corps Intranet, including cybersecurity services, network operations, service desk, and data transport. 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.


Leidos is currently seeking a Network Switching Design Engineer Senior to join our team in Camp Lejeune, NC. The Network Switching Design Engineer will assist the Government Lead in the daily engineering duties on systems and with the development and integration of identity and access management requirements.


Other primary responsibilities include, but are not limited to:

  • Perform general Local Area Network (LAN)/Base Area Network (BAN)/Wide Area Network (WAN) administration. 
  • Schedule conversions and cutovers. Evaluate and design communication hardware and software, troubleshoot LAN/BAN/WAN and other network related problems. 
  • Execute LAN/BAN and Data Center Switching network design, integration, and implementation Develop, update, track, and perform Internet Protocol (IP) scheme and address management.
  • Support engineering and design of Voice over Internet Protocol (VoIP) services; enabling telephone system to interface between data services and the network with unlimited local connection.
  • Enforce Department of Defense (DoD) Unified Capabilities Requirements and monitor security updates in accordance with Government procedures.
  • Operate standard Active Directory (AD) services plus the availability to use Windows Light Directory Access Protocol (LDAP) services for network devices and appliances.
  • Monitor and optimize replication speed of directory services.
  • Oversee Rights Management Services for administrators, users, and groups. Design, Develop and Integrate application networking ports and protocols, Information Assurance (IA), routing and LAN. 
  • Perform Integration with Public Key Infrastructure (PKI) certificates and network accounts to support two-factor authentication for all Active Directory (AD) domain account categories and eliminate the need for password-based authentication.
  • Design, Develop and Integrate network switching utilizing LAN, BAN, Trunking, Port Channels and Virtual Local Area Network (VLANs) and network security utilizing VLANs, Access Control Lists (ACLs), and Layer 2 Virtual Private Network (L2 VPNs).
  • Design and integrate multivendor solutions utilizing Cisco, Juniper, Brocade and other vendor technologies. Experience with the performance, design, configuration, and testing of complex large-scale computer networks.

Qualifications needed to be considered:

  • Bachelor's Degree in Computer Science, MIS, Business, or related field; additional experience may be substituted in lieu of degree
  • Minimum of 10 years of related experience
  • Must possess an Information Assurance Technician (IAT) Level II certification
  • US Citizen with an active Secret Security Clearance
  • Must possess Information Technology Infrastructure Library (ITIL) version 3 Foundation certification.
  • Must possess professional-level certifications in one or more technology-related vendor solutions such as Cisco Certified Network Professional (CCNP) Routing and Switching, CCNP Data Center, Juniper Networks Certified Internet Professional (JNCIP), or equivalent Certification, or demonstrate sufficient experience in lieu of certification.

NGEN

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 23, 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 $92,300.00 - $166,850.00

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.

Skills Required

  • Bachelor’s degree in Computer Science, MIS, Business, or a related field; additional experience may substitute for the degree
  • Minimum of 10 years of related experience
  • Information Assurance Technician Level II certification
  • U.S. citizenship
  • Active Secret security clearance
  • ITIL version 3 Foundation certification
  • Professional-level certification in a relevant vendor solution, such as CCNP Routing and Switching, CCNP Data Center, JNCIP, or equivalent; sufficient experience may substitute

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.

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The Company
HQ: Reston, VA
27,104 Employees
Year Founded: 1969

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.

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