Senior Network Engineer

** Req :
** RQ221250

** Type of

Requisition :
** Regular

** Clearance Level Must Be Able to Obtain:
** None

** Public Trust/Other

Required:

** None

** Job Family:
** IT Infrastructure and Operations

*
* Skills:

*
* Enterprise Network,Network Engineering,Network Monitoring

*
* Experience:

*
* 10 + years of related experience

*
* Job Description:

*
* 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.

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*
* +…