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Senior Network EngineerGeneral Dynamics Information Technology • Falls Church, Virginia, United States
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Senior Network Engineer

General Dynamics Information Technology
  • US
    Falls Church, Virginia, United States
  • US
    Falls Church, Virginia, United States
Jetzt Bewerben

Über

We are seeking a Senior Network Engineer to join our enterprise infrastructure team supporting a large, complex environment spanning cloud and enterprise network services. This is a hands‑on engineering role responsible for implementing, operating, and continuously improving critical network infrastructure that supports enterprise applications, services, and users across hybrid environments.
This position does not accept submissions from third‑party agencies or corp‑to‑corp entities. Only direct applicants are eligible for consideration.
Work visa sponsorship will not be provided for this position.
The ideal candidate brings deep experience in enterprise routing, switching, network security, and core infrastructure services. This role focuses on implementing and operating existing network architecture while identifying opportunities to improve performance, reliability, and operational efficiency across the network environment.
You will join a collaborative engineering team responsible for maintaining large‑scale enterprise networking platforms, including routing, switching, security infrastructure, and foundational network services used by thousands of users and applications.
This position is expected to be hybrid within the DMV region out of Herndon or Falls Church Virginia. Remote candidates may be considered if a local candidate is not identified.
Operate and improve enterprise network infrastructure
Install, configure, and support enterprise network equipment including routers, switches, and core network services
Maintain highly available network infrastructure supporting enterprise and cloud‑connected environments
Continuously improve network reliability, performance, and operational efficiency across large‑scale deployments
Support routing, switching, and core network protocols
Configure and troubleshoot routing and switching infrastructure across large enterprise environments
Support dynamic routing protocols such as BGP and OSPF
Maintain strong operational knowledge of network layers (L1/L2/L3) and how they impact service delivery
Diagnose complex network issues across routing, switching, and transport layers
Maintain network security and connectivity
Configure and support enterprise firewall platforms, including access control policies, VPNs, and secure tunnels
Maintain secure network connectivity across internal networks, remote sites, and cloud environments
Ensure network configurations align with organizational security standards and operational best practices
Manage foundational network services
Manage enterprise DNS infrastructure, including record creation, monitoring, troubleshooting, and lifecycle management
Support DNS security and protection mechanisms
Maintain integration between DNS, directory services, and DHCP systems
Troubleshoot complex network problems
Provide advanced troubleshooting and resolution for complex network performance or connectivity issues
Utilize monitoring and diagnostic tools to identify and resolve infrastructure problems
Participate in incident response, root cause analysis, and operational improvement efforts
Support enterprise device and wireless authentication
Troubleshoot wireless authentication and network access for managed devices
Partner with endpoint management teams to support device identity and authentication workflows
Maintain critical network infrastructure services
Manage DNS infrastructure, including record creation, monitoring, and troubleshooting
Implement DNS security and protection capabilities
Support DNS integration with directory services and DHCP systems
Collaborate across engineering teams
Partner with cloud, security, and infrastructure teams to support enterprise networking requirements
Contribute to network design documentation, operational runbooks, and engineering best practices
Mentor junior engineers and support knowledge sharing within the engineering organization
Support operational lifecycle management
Maintain network infrastructure through firmware updates and lifecycle management
Ensure network equipment remains aligned with current security and operational standards
Contribute to change management processes and operational readiness activities
What you'll need to succeed
10+ years of experience supporting enterprise networking environments
Education: High School diploma required
Strong hands‑on experience with enterprise routing and switching
Deep understanding of networking protocols such as TCP/IP, DNS, HTTP/HTTPS, and VPN technologies
Experience operating and troubleshooting dynamic routing protocols such as BGP and OSPF
Experience configuring and maintaining enterprise firewall platforms, VPN connectivity, and network security controls
Strong troubleshooting skills across routing, switching, and network infrastructure layers
Experience managing DNS infrastructure , including monitoring, security, and integration with enterprise directory services
Experience managingDNS infrastructure, , including security, monitoring, and integration with directory services
Experience supportingenterprise wireless and device authentication environment
Experience working withinlarge enterprise or service provider environments
Familiarity with network monitoring and diagnostic tools
Ability to collaborate effectively across infrastructure, cloud, and security engineering teams
Preferred but not required
Experience with leading enterprise networking platforms such as JUNOS-based systems, SD‑WAN platforms, Zscaler or next-generation firewall technologies
Experience supporting networking in hybrid cloud environments
Familiarity with network automation, scripting, or infrastructure automation frameworks
Experience contributing to network design documentation and operational standards
Industry certifications in networking, cloud networking, or security disciplines
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  • Falls Church, Virginia, United States

Sprachkenntnisse

  • English
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