Arlington, Virginia

Responsibilities for this Position

Location: USA VA Arlington
Full Part/Time: Full time
Job Req: RQ67673

Type of Requisition:

Clearance Level Must Currently Possess:
Top Secret/SCI

Clearance Level Must Be Able to Obtain:
Top Secret/SCI

Public Trust/Other Required:

Job Family:
Systems Engineering

Job Description:

We are GDIT. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country.

GDIT is seeking a Core Network Engineer to ensure the stability, integrity, and availability of the networking infrastructure and associated services for DISA Joint Service Provider located within the Pentagon and surrounding locations.

The position is involved with full life-cycle maintenance of a network infrastructure which includes incident response, capacity planning, testing, monitoring, performance tuning, enhancements, and integration of new services. The engineer must have the understanding and ability to implement and troubleshoot Cisco, Juniper, and F5 products and services in a production environment using industry best practices.

A successful candidate will be responsible for the health and maintenance of a large, complex networking infrastructure. This includes providing network administration and operational support to more than 8000 networked devices. The engineer will provide comprehensive network administration, security enhancements and remediation, and troubleshooting of network devices such as routers, switches, load balancers, WIFI, and VoIP. This position requires an understanding of best practices pertaining to network security and may require the development, deployment, and integration of network security services. Successful candidates should be able to work both independently and as part of a team. In this role, a typical day will include:
  • Provide problem and incident resolution, including dealing with software and hardware vendor technical support
  • Deploy and maintain network hardware, peripherals, services, and settings in accordance with industry standards and project/operational requirements
  • Perform daily system monitoring; verifies the integrity and availability of networking hardware, services, systems, and key processes; reviews system and application logs
  • Document and conduct changes during ASI windows
  • Provide on-call troubleshooting and issue resolution as required
  • Develop and maintain installation and configuration procedures
  • Collaborate with the Security team to identify and remediate application and operating system vulnerabilities
  • Act as a liaison with other groups to provide information sharing pertaining to the needs of the diverse set of computer users supported by the client as a whole.
  • Develop scripts and other automation solutions to aid in the completion of migration and integration tasks.
  • Review problems to understand the root causes of issues and ensure proper fixes are implemented
  • Provide phone support to users during the time of peak demand as needed.

  • Active TS/SCI clearance
  • Must meet requirements for DoD 8570 IAT Level II (such as Sec+ or higher)
  • 8+ years of related experience
  • Bachelors' degree in a related field. Work experience considered in lieu of degree.

Experience includes:
  • Troubleshooting, managing and monitoring the health of Cisco and Juniper routers and switches
  • Deploying, managing, and troubleshooting network systems, switching, and routing protocol standards such as: TCP/IP, MPLS, OSPF, BGP, SDN, and802.1x.
  • Managing and troubleshooting DNS, DHCP, IPAM, and NTP in a large multi-site environment
  • Managing Cisco Prime/Junos Space
  • Network security, including firewall, IDS/IPS, VPN, and vulnerability remediation
  • Using network management and analysis tools such as SNMP probes, network taps, traffic analyzers and load balancers.
  • Documenting network topology using Visio
  • Creating and documenting processes and creating work instructions
  • Working as a part of a large team and working directly with customers
  • Hardware troubleshooting experience.
  • Supporting teleworkers and remote access technologies
  • Creating scripts to automate routine administration tasks
  • Strong oral and written communication skills
  • Strong customer service skills

  • Experience with NetScout, IBM NetCool and/or Solarwinds NMS products
  • Experience designing, deploying, and troubleshooting load balancers from a L2/L3 perspective
  • Experience utilizing Remedy ITSM


Scheduled Weekly Hours:

Travel Required:

T elecommuting Options:
Telecommuting Not Allowed

Work Location:
USA VA Arlington

Additional Work Locations:

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.\n\nGDIT 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, or veteran status, or any other protected class.


Arlington, Virginia

General Dynamics is a global aerospace and defense company.

From Gulfstream business jets and combat vehicles to nuclear-powered submarines and communications systems, people around the world depend on our products and services for their safety and security.

We offer a broad portfolio of innovative products and services in business aviation; combat vehicles, weapons systems and munitions; IT and C4ISR solutions; and shipbuilding and ship repair.

General Dynamics employs thousands of people across the globe, with locations in more than 45 countries. We rely on the skills of our employees and their knowledge of customer requirements to deliver best-in-class products and services.

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