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Network Engineer Security Clearance

Job in Tysons Corner, Tysons, Fairfax County, Virginia, USA
Listing for: The Swift Group
Full Time position
Listed on 2026-06-11
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Position: Network Engineer with Security Clearance
Location: Tysons Corner

The Swift Group is a privately held, mission-driven and employee-focused services and solutions company headquartered in Reston, VA. Our capabilities include Software Development, Engineering & IT, Data Science, Cyber Enablement, Logistics, and Training. Founded in 2019, Swift supports Civilian, Defense, and Intelligence Community customers across the country and around the globe. Swift is looking for a Network Engineer to join our high-performing team on a dynamic, mission-focused program.

In this role, the Network Engineer will be responsible for designing, implementing, and maintaining complex network infrastructures in direct support of the mission. This position offers hands-on opportunities to architect enterprise-scale network solutions spanning LAN/WAN environments, advanced SDN technologies, and multi-data center configurations. Candidates can choose to work in either Warrenton, VA or Tysons Corner, VA. Responsibilities:
* Design and implement complex network architectures based on customer requirements and industry best practices, including LAN, WAN, and multi-data center configurations.

* Install, configure, and maintain network equipment including Cisco ACI, Cisco DCNM, OTV, and VMware NSX to support enterprise operations.

* Troubleshoot and resolve network issues related to connectivity, performance, and security, leveraging deep expertise in routing, switching, and network protocols.

* Develop and maintain configuration plans for Cisco ACI design, planning, implementation, and testing across multi-data center environments.

* Analyze network traffic using a variety of tools to assess security-related events and support rapid identification and isolation of incidents and outages.

* Collaborate cross-functionally with IT disciplines, including Storage, Platform, and Application teams, to troubleshoot and resolve complex infrastructure problems.

* Create architectural design solutions and present them to client stakeholders, including senior leadership.

* Drive project-based development of new network capabilities through the full lifecycle, from concept and requirements gathering to implementation and support.

* Design, deploy, and maintain boundary security solutions with exposure to enterprise network architecture and Next Gen Firewall technologies.

* Develop unique solutions that meet customer requirements and align with industry best practices, including network programmability and automation.

* Maintain systems documentation and support compliance and audit activities, keeping customers informed of incident progress, changes, and coordinated outages.

* Provide technical mentorship to other engineers and participate in 24x7 on-call rotation to resolve issues outside normal business hours. Requirements:
* Bachelor's degree in Computer Science, Information Technology, or a related technical discipline, or an equivalent combination of education, certifications, training, and experience.

* 10+ years of hands-on experience architecting and designing IP networks and associated technologies in enterprise environments.

* In-depth understanding of networking including routing, switching, network monitoring, and management.

* Expert-level knowledge of SDN engagements built around Cisco ACI, including design, planning, implementation, and testing in multi-data center configurations.

* Experience designing, configuring, implementing, and troubleshooting network technologies and protocols including VXLAN/EVPN.

* Strong troubleshooting skills specific to network connectivity and security, with the ability to work effectively across cross-functional teams.

* Experience designing, deploying, and maintaining boundary security solutions and enterprise network architectures.

* Professional familiarity with the customer's enterprise networks and Cisco ACI technology.

* US citizenship with an active TS/SCI with Polygraph clearance Desired

Experience:

* Experience with Network Access Control, segmentation, and security compliance standards.

* Experience with site-to-site VPNs and/or remote access VPN solutions.

* Network programmability skills for automating network tasks using tools such as Ansible, Puppet, Chef, Python, and REST APIs.

* Experience with Data Center and co-location solutions as they relate to SDN architecture and design.

* Hands-on experience configuring and administering Cisco ACI, Cisco DCNM, OTV, and VMware NSX.

* Familiarity with Software Defined Networking (SDN) disaggregation technologies, methodologies, and open-source solutions.

* Demonstrated experience designing and implementing network reference architectures from mission requirements gathering through technology rollout, including capacity management and technical documentation.

* Ability to brief complex technical information to senior leadership. Do you know anyone for this position, or other positions open at The Swift Group? We offer a $5,000 bonus for any referral candidate we hire, paid out at the new hire's 90-day mark. We are not working with outside…
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