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Senior Network Engineer with Security Clearance

BcoreWarrenton, VAApril 12th, 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 . ResponsibilitiesInstallation and maintenance of network equipmentTroubleshooting and resolution of network issuesDesign network architectures based on customer requirements and industry best practicesDevelopment of unique solutions that will meet customer requirements and industry best practicesCollaborate effectively with other IT disciplines (e.g., Storage, Platform, Application) to troubleshoot and resolve complex problemsDevelop and maintain configurations plans for Cisco ACI design, planning, implementation, and testing, based on a multi data center configurationsCreate architectural design solutions and successfully present them to client stakeholdersWork with infrastructure engineers to identify new products and solutionsDocument maintenance for all computer systems and network infrastructureMaintain systems and documentation as needed for audits and complianceCommunications with customers: keeping them informed of incident progress, notifying of impending changes, or coordinated outagesBe available for other engineers and coach them to resolutionParticipate in 24x7 on call and assist in resolving issues outside normal business hours Qualifications Required Qualifications:In-depth understanding of networking to include routing, switching, network monitoring and managementStrong troubleshooting skills specific to network connectivity, security, and ability to effectively work in cross functional teams as needed to resolve issuesExpert for SDN engagements built around Cisco ACIBackground in Cisco ACI design, planning, implementation, and testing, based on a multi data center configurationsGood team and collaboration skillsAbility to research and find new and innovative technologies to enhance the existing networkDefine network strategy with respect to technology domain standards and design goalsProvide technical design and architectural leadership, including documenting and diagramming the logical, physical and process viewsExperience 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 outagesExperience in designing, configuring, implementing, and troubleshooting these various network technologies and protocolsExperience designing, deploying, and maintaining boundary security solutions and exposure to enterprise network architectureGood knowledge and hands-on experience with VXLAN/EVPN Desired Qualifications:Experience with Network Access Control and SegmentationExperience with security compliance standardsExperience with site-to-site VPNs and/or remote access VPNsNetwork 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 DesignNextGen Firewall ExperienceExperience configuring/administrating various network technologies including Cisco ACI, Cisco DCNM, OTV, VMware NSXDemonstrated 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 documentationFamiliarity with Software defined networking (SDN) Network Disaggregation technologies and methodologies along with open-source solutionsAbility to brief complex information to senior leadership What you can expect from us 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.