Senior Network Engineer

Markon•Chantilly, VA
•$170,000 - $210,000•Onsite

About The Position

Markon is seeking a Senior Network Engineer to support an Intelligence Community client in Chantilly, Virginia. This position will develop, engineer, and deploy technical solutions within a dedicated mission network while providing technical leadership across functional areas to deliver secure, mission-focused capabilities. The Network Engineer will work alongside network and systems engineers to design and sustain complex network architectures addressing collaboration, connectivity, and data-protection challenges. This position requires infrequent CONUS travel to various sites, as directed by the client.

Requirements

  • An active TS/SCI with a FSP (preferrably from this client) is required to be considered.
  • Bachelor’s degree related to the technical discipline and at least 11 years of relevant experience; OR Associate’s degree and at least 13 years of relevant experience; OR No degree and at least 15 years of relevant experience.
  • Recent hands-on experience, within the last 3 years, with Cisco Data Center, WAN, LAN, and Client Access technologies, including technologies such as MACsec, HSRP, VRF, VPC, ACLs, BGP, and EIGRP.
  • Experience building, deploying, and maintaining Cisco Application Centric Infrastructure (ACI) networks.
  • Recent hands-on experience with Cisco IOS-XE and NX-OS, customer-specific transport networks, and firewall/VPN technologies including FTD and ASA.
  • Hands-on experience implementing Sponsor IT and cybersecurity best practices, collaboration/ticketing tools, and high-availability technologies.
  • Recent experience, within the last 3 years, providing technical leadership to network engineering teams, with the ability to mentor and transfer technical knowledge to others.
  • Strong analytical, problem-solving, interpersonal, and communication skills with the ability to operate independently and within collaborative technical teams.
  • Willingness and ability to travel on an infrequent, as-needed basis, primarily CONUS.

Nice To Haves

  • Experience building, deploying, and maintaining Cisco ASA firewalls using Firepower Management.
  • Recent hands-on experience with network and application load balancers.
  • Experience building, deploying, maintaining, or integrating with Nutanix hypervisor platforms.
  • Experience with Palo Alto firewalls and Panorama.
  • Experience with SIEM, network monitoring, and security analytics technologies such as Splunk, PCAP, NetFlow, or SolarWinds.
  • Experience working with Linux operating systems.
  • Demonstrated ability to evaluate emerging technologies, assess their impact on enterprise systems, and incorporate appropriate technologies into technical plans.

Responsibilities

  • Design and develop Data Center, LAN, WAN, and Client Access network architectures supporting mission requirements.
  • Engineer, build, and maintain Data Center, LAN, WAN, and Client Access networks and systems.
  • Integrate, test, validate, and deploy network solutions within mission environments.
  • Perform full lifecycle management of network systems, including design, build, deployment, maintenance, and sustainment.
  • Monitor network environments and troubleshoot complex technical and operational issues.
  • Provide technical validation of proposed network designs and ensure solutions incorporate program and engineering best practices.
  • Provide technical guidance and leadership across network engineering and related functional areas.
  • Implement appropriate IT and cybersecurity best practices throughout network design and deployment.
  • Support highly available network architectures and associated implementation and deployment activities.
  • Collaborate with network engineers, systems engineers, project management, and other technical stakeholders to deliver integrated solutions.
  • Mentor and share technical knowledge with other engineers while maintaining current technical skills and tradecraft.
  • Perform additional technical duties as directed by Project Management.

Benefits

  • Medical
  • Dental
  • Vision
  • Life Insurance
  • Short-Term Disability
  • Long-Term Disability
  • 401(k) match
  • Flexible Spending Accounts
  • EAP
  • Training and Tuition Assistance
  • Paid Time Off
  • Holidays
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service