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Sierra Nevada Corporation | SNC Sierra Nevada Corporation | SNC

Sr. Network Engineer (Contract)

  •  Posted 30+ Days Ago
  •   Full time
  •  Herndon, VA
  •  R0014490
  •  Security Clearance Required

This hands-on technical position will work on leading implementation and supporting issues in complex project focused Information Technology (IT) networks. As part of the SNC Herndon team, this position will participate in all day-to-day activities and project goals with respect to the monitoring and maintenance of network environments. Technical responsibilities include providing design, implementation & support of LAN. This position will help lead and actively participate in projects supporting network implementations and enhancements. Determines appropriateness of moderate equipment changes or modifications to provide a high level of security according to network service level agreement. Researches, provides vision and implements new technologies to meet emerging customer requirements.

The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of supporting the Department of Defense, Department of Homeland Security, commercial and international customers with years of experience in platform operations, engineering and full lifecycle management across domains – air, land, sea, space and cyber. Learn more about MST


  • Support LAN/WAN/Internet/VPN/Cloud network services for security and reliability

  • Implement transition and support of some programs into AWS cloud infrastructure

  • Design, configure and troubleshoot network switches, routers, firewalls, VPN and Cloud services

  • Analyzing and resolving faults, ranging from a major system crash to forgotten passwords

  • Manage VMWare, Active Directory, Windows and LINUX Server environment

  • Develop and implement cyber security vulnerability remediation.

  • Install, support and maintain new server hardware and software infrastructure

  • Occasionally support non-standard hours to support operational requirements


  • Bachelor's Degree in a related field with at least 10 or more years of relevant experience

  • Higher education may substitute for relevant experience

  • Relevant experience may be considered in lieu of required education

  • Maintain a thorough understanding of the basics behind the Internet and its workings (DNS, Security, IP Routing, HTTP, VPN, Email Routing, SPAM, etc.)

  • Experience deploying, troubleshooting, and managing Linux servers

  • Superior communication skills, and ability to understand customer needs and requirements

  • Experience deploying Linux, Mac, and Windows based desktop environments

  • Managing software deployment and patch management of servers and desktops

  • Manage the implementation, configuration, deployment and ongoing support of the VMware vSphere server infrastructure hosting enterprise applications

  • Strong understanding of network infrastructure and network hardware

  • An active Secret U.S. Security Clearance is required.  Learn more about the background check process for Security Clearances


This position requires current/active Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance.  The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

At Sierra Nevada Corporation (SNC) we deliver customer-focused technology and best-of-breed integrations in the aerospace and defense sectors. SNC has been honored as one of the most innovative U.S. companies in space, a Tier One Superior Supplier for the U.S. Air Force, and as one of America’s fastest-growing companies. Learn more about SNC