Serco Inc.

Network Engineer II

Recruiting Location : Location
Information Technology
Position Type
Security Clearance
Yes - May Consider Occasional/Part Time Teleworking for this position

Position Description

If you love high profile and challenging projects supporting a Corporate IT department - Serco has a great opportunity for you!  This Network Engineer will be on a dynamic team providing Network Engineering support in our Herndon, VA location.  Bring your expertise and collaborative skills to make an impact towards your career. 


You will be part of a team that works closely with the internal customers and other Serco teams to deliver quality VOIP (Voice Over IP) and networking systems infrastructure and service.  This team is responsible for delivery VOIP and networking services to the entire corporate infrastructure. Experience performing VOIP design, maintenance and troubleshooting of a Cisco Collaboration environment is required. Experience needed includes but is not limited to design, troubleshooting and configuration and maintenance of CUCM, Unity Connection, UCCX and Cisco Cube/Voice Gateways


  • Design, plan and implement document and troubleshoot VOIP in a large network infrastructure
  • Create and troubleshoot CUCM configurations to include, but not limited to Calling Search Spaces, resource groups, translation patterns, etc
  • Implement and troubleshoot VOIP deployment technologies such as SIP and PRI
  • Implement new subscribers in an existing VOIP cluster
  • Optimize legacy configurations of Cisco Cube/Voice Gateways
  • Design, recommend, implement, and troubleshoot QOS configurations at the edge and core of VOIP infrastructure elements (to include but not limited to routers, switches and firewall
  • Recommend improvements in the existing collaboration environments
  • Deploy, collaboration elements properly in network monitoring software
  • Create, troubleshoot, and maintain Cube/Voice Gateway configurations, dial peers, PRI, SIP configurations
  • Create and maintain carrier documentation to include data, SIP and PRI information
  • Create and maintain Cisco Collaboration documentation
  • Have knowledge of networking processes like STP, VLANs, HSRP/VRRP, BFD, OSPF, EIGRP, BGP, ARP, NAT, TCP, and UDP. 
  • Have a solid understanding of IPv4/v6 addressing & addressing management.
  • Have a good understanding of software application/network protocols like HTTP, SSL, FTP, SCP, SMTP, RTSP, SIP, DHCP, and DNS. 
  • Will be developing, documenting, and maintaining all networking/security systems to include their configurations via command line and graphic user interface in a controlled change management environment. 
  • Will also be troubleshooting network performance issues & providing technical support and guidance to users. 
  • Will be able to create and maintain a network disaster recovery plan.
  • You will also be recommending upgrades, patches, new applications, and equipment for the network environment following the Cisco design life cycle
  • A four year college degree with an IT major or equivalent. 
  • At least 4-8 years of experience is required.
  • Candidates will posses a CCNP VOICE Certification

Additional desired experience and skills:


  • Experience with Palo Alto/Cisco firewalls is preferred.

Company Overview

Serco Inc. (Serco) is the Americas division of Serco Group, plc. Serco serves every branch of the U.S. military, numerous U.S. Federal civilian agencies, the Intelligence Community, the Canadian government, state and local governments, and commercial clients. We help our clients deliver vital services more efficiently while increasing the satisfaction of their end customers. Headquartered in Herndon, Virginia, Serco Americas has approximately 8,000 employees and is part of a $4 billion global business that helps transform government and public services around the world. At Serco, our employees are our most valuable asset - we listen, respect and support them throughout their career at Serco. We invite you to become part of our dynamic team. Serco is an equal opportunity employer committed to diversifying our workforce (Race/ Color/ Sex/ Sexual Orientation/ Gender Identity/ Religion/ National Origin/ Disability/ Vets).


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