Job Details

Network Engineer (Active TS SCI w/ Poly)


Jacobs Technology


Reston, VA 20190





Jacobs National Security Solutions (NSS) provides highly sophisticated network systems design, engineering, operations, and maintenance, and offers cutting edge cybersecurity solutions for our customers in the Intelligence Community, Department of Defense, and other federal agencies. We deliver an integrated approach to network engineering design and network management, as well as full IT lifecycle service management, IT service delivery, asset management, logistics and procurement support, and software/hardware vendor management.  Our network engineers, controllers, and technicians are trained in multiple disciplines to successfully maintain legacy systems as well as insert the latest technologies for voice, data, and video networks in fast-paced, mission-critical environments.

Jacobs is seeking a Network Architect with an Active TS SCI with Polygraph clearance to join their team at their customer site located in the Reston, VA area.

  • Perform as Lead Engineer and technical lead expert for design of enterprise wide and/or Intelligence Community (IC) wide networks and lead Tier 4 network configuration/performance problem resolutions
  • Provide user support and training
  • Design network solutions based on customer requirements using the Cisco Nexus family of (7K, 9K series) equipment
  • Provide trouble resolution for features not operating as advertised
  • Identify the complex issues and when necessary involve the vendor to resolve the unexplainable
  • Test new releases, developing the migration strategy and upgrade procedure
  • Maintain a relationship with the vendor and working with them to insure gaps in our customer’s requirements are being addressed in future software releases
  • Works with the customer to determine network requirements, write system requirement documents, and develop design solutions (physical and logical) that are in compliance with the best engineering practices, standards, and guidelines
  • Evaluation of vendor’s new software releases
  • Put out a weekly consolidated activity report and write CLI and Shell scripts, and database queries
  • Perform (intermediate level) configuration, testing, and troubleshooting of IP network infrastructure (LAN and WAN devices)


  • Active TS SCI with Polygraph Clearance 
  • BS degree in a computer or system science discipline from an accredited college or university and fourteen (14) years of progressive, relevant experience, or an MS degree in a computer or system science discipline and twelve (12) years of progressive experience, or a Ph.D. degree in a computer or system discipline and seven (7) years of progressive experience
  • Requires a working knowledge of STP, VTP, Virtual LAN’s and Trunking (VLAN’s); Network Security (ACL’s, IPSEC Tunnels); SONET, ATM, MPLS, POS, Multicast and how to properly implement these technologies.
    Possess the ability to author system design documents, system adminstration and operations manuals, user guides, security plans, and training documentation. Have excellent verbal, written communication and presentation skills
  • Understand the new features of the Nexus eqipment, Virtual Port Channels (VPC), bonding server NICs and Virtual Device Context (VDC), one physical device supporting multiple networks
  • Strong knowledge of Routing and Switching systems (Cisco & Juniper)
  • Have an understanding of Routing Protocols (OSPF, EIGRP, and BGP) and Gateway Redundancy Protocols (HSRP, VRRP, and GLRP)
  • In-depth understanding of networking systems and TCP/IP to include experience in IP Addressing and Subnetting; Network Address Translations; MTU; QoS
  • Possess CCNP, CCVP, CCSP, CCIP, CCDP, OR JNCIS; or 15-20 years of experience in IP network technology.

Essential Functions: 

  • Work Environment:  Fast-paced and sometimes involves extreme deadline pressures. The nature of the work requires a high degree of teamwork and cooperation with other members of the staff as well as individuals across the company and Customers. Most work will be done at a desk or computer.
  • Equipment and Machines: General office equipment including PC/laptop, Fax, Copiers, Shredder, Printers, Telephone, and other miscellaneous office equipment.
  • Attendance:Attendance is critical at all times. Needs to be available to work overtime during critical peaks and be available to meet last minute requests for overtime should the situation occur.
  • Other Essential Functions: 
    • Must be able to communicate, verbal and written, effectively
    • Must demonstrate professional behavior at all times when dealing with clients, management and employees
    • Grooming and dress must be appropriate for the position and must not impose a safety risk to the employee or others
    • Must be able to support and work in a proactive team environment
    • Must hold the safety of yourself and those around you as the number one priority in the workplace
    • Completion of required certifications required within six (6) months of hire date




  Jacobs is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status or other characteristics protected by law. Jacobs is a background screening, drug-free workplace.  

Post Date:
Minimum Clearance:
Top Secret/SCI
Unspecified annual salary
Unspecified hourly wage
Group ID: