Demo

Senior Network Engineer

B/CORE
Warrenton, VA Full Time
POSTED ON 4/14/2026
AVAILABLE BEFORE 5/9/2026
Network Engineer

Warrenton / Tysons, VA

TS/SCI with Poly

At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational support. Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions.

Do you want to join a team that is building tailored technical solutions to modernize our government’s mission and our client’s business? Do you have a desire to change how people work? Are you interested in helping to protect our nation’s cyber interests? Join our growing team supporting customer missions as a Network Engineer in Warrenton / Tysons, Virginia.

  • Installation and maintenance of network equipment
  • Troubleshooting and resolution of network issues
  • Design network architectures based on customer requirements and industry best practices
  • Development of unique solutions that will meet customer requirements and industry best practices
  • Collaborate effectively with other IT disciplines (e.g., Storage, Platform, Application) to troubleshoot and resolve complex problems
  • Develop and maintain configurations plans for Cisco ACI design, planning, implementation, and testing, based on a multi data center configurations
  • Create architectural design solutions and successfully present them to client stakeholders
  • Work with infrastructure engineers to identify new products and solutions
  • Document maintenance for all computer systems and network infrastructure
  • Maintain systems and documentation as needed for audits and compliance
  • Communications with customers keeping them informed of incident progress, notifying of impending changes, or coordinated outages
  • Be available for other engineers and coach them to resolution
  • Participate in 24x7 on call and assist in resolving issues outside normal business hours


Required Qualifications

  • In-depth understanding of networking to include routing, switching, network monitoring and management
  • Strong troubleshooting skills specific to network connectivity, security, and ability to effectively work in cross functional teams as needed to resolve issues
  • Expert for SDN engagements built around Cisco ACI
  • Background in Cisco ACI design, planning, implementation, and testing, based on a multi data center configurations
  • Good team and collaboration skills
  • Ability to research and find new and innovative technologies to enhance the existing network
  • Define network strategy with respect to technology domain standards and design goals
  • Provide technical design and architectural leadership, including documenting and diagramming the logical, physical and process views
  • Experience analyzing network traffic, using a variety of network tools to assess security-related events to assist in rapid identification and isolation of issues during incidents and outages
  • Experience in designing, configuring, implementing, and troubleshooting these various network technologies and protocols
  • Experience designing, deploying, and maintaining boundary security solutions and exposure to enterprise network architecture
  • Good knowledge and hands-on experience with VXLAN/EVPN


Desired Qualifications

  • Experience with Network Access Control and Segmentation
  • Experience with security compliance standards
  • Experience with site-to-site VPNs and/or remote access VPNs
  • Network programmability for automating network tasks (Ansible, Puppet, Chef, Python, Rest API’s)
  • Experience with Data Center and co-location solutions as they relate to SDN architecture and Design
  • NextGen Firewall Experience
  • Experience configuring/administrating various network technologies including Cisco ACI, Cisco DCNM, OTV, VMware NSX
  • Demonstrated experience designing and implementing network reference architecture from mission requirements gathering to technology rollout oversight, including capacity management, technology selection, integration of multiple tools and technical documentation
  • Familiarity with Software defined networking (SDN) Network Disaggregation technologies and methodologies along with open-source solutions
  • Ability to brief complex information to senior leadership


BCore is proud to be an equal opportunity workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, sexual orientation or any other characteristic protected by law.

Salary.com Estimation for Senior Network Engineer in Warrenton, VA
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