Senior Network Administrator

Overview

Senior Network Administrator Gaithersburg, MD

Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly

At Bcore, our strength comes from how we deliver impact to the mission. Whether its 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, Dev Sec Ops , 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 governments mission and our clients business? Do you have a desire to change how people work? Are you interested in helping to protect our nations cyber interests? Join our growing team as a Senior Network Administrator, supporting the NGA customer mission.

What you get to do every day:

• Design, configure, administer, and maintain complexenterpriseLAN, WAN, WLAN, VPN, and datacenter network environments.
• Install, configure, and support Cisco routers, switches, firewalls, loadbalancers, and other network infrastructure components.
• Collaborate with Agile Scrum teams to deliver infrastructure enhancements supporting continuous integration and rapid capability delivery.
• Participate in sprint planning, backlog refinement, daily stand-ups, reviews, and retrospectives asthe networking subject matter expert.
• Monitor network performance, capacity, and availability while proactively identifying opportunities for optimization.
• Troubleshoot complex network issues, perform rootcause analysis, andimplementlong-term corrective actions.
• Implement and maintainsecure network architecture sin accordance with Intelligence Community security requirements andbest practices.
• Support cloud connectivity, hybrid networking, and infrastructure modernization initiatives.
• Develop and maintain network documentation,topology diagrams, standard operating procedures, and configuration baselines.
• Coordinate hardware refreshes, software upgrades, maintenance windows,and patch management activities.
• Partner with cybersecurityteams to address vulnerabilities, implement security controls, andsupportaudits and accreditation activities.

Clearance Required: Active TS clearance (with SCI Eligibility) and eligibility to obtain CI Poly

Certification Required
:
CompTIA Security+, and Cisco Certified Network Associate (CCNA) or Network Professional (CCNP), or equivalent certification.

Education/

Experience:

• Requires Bachelor's degree in Computer Science, Engineering, Information Technology or related field
• 8-12 years of prior relevant experience or Masters with 6-10 years of prior relevant experience
• 8+ years of network administration experience

Required Skills:

• Experience supporting large-scale, mission-critical network environments.
• Strong expertise with Cisco routing and switching technologies.
• Thorough understanding of:
  • TCP/IP
  • OSPF, BGP, EIGRP
  • VLANs
  • DNS/DHCP
  • VPN technologies
  • NAT
  • QoS
  • Multicast
• Experience administering enterprise firewalls suchas Cisco ASA, Palo Alto, or Fortinet.
• Experience with network monitoring and performance management tools.
• Strong troubleshooting,analytical, and problem-solving skills.
• Excellent communication skills and the ability to collaborate across technical disciplines.
• Experience working in Agile or Scrum environments.

What is ideal?

• Cisco CCNP, CCIE, or equivalent certification
• CompTIA Security+ CE (or DoD 8570/8140 compliant certification)
• Experience supporting Intelligence Community or Department of Defense customers
• Experience with AWS, Azure, or hybrid cloud networking
• Knowledge of Software Defined Networking (SDN)
• Experience with network automation using Python, Ansible, or Power Shell
• Familiarity with Zero Trust Architecture and micro-segmentation
• Experience with Dev Sec Ops  and Infrastructure as Code (IaC)
• Experience with VMware NSX or Cisco ACI
• ITIL Foundation certification
• Intelligence Community Experience…