Network Engineer/DNS Administrator

Clearance Level
Secret
Category
Network Engineering
Location
Arlington, Virginia

REQ#: RQ87189

Travel Required: None
Requisition Type: Regular

RESPONSIBILITIES:
A successful candidate will be responsible for the health and maintenance of a large, complex networking infrastructure. This includes providing DNS administration and management, 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.

Additional responsibilities for the position are:

  • Provides administration and management of Infoblox IP Address Management (IPAM) Platform

  • Creation and de-commission of IP space for multiple customers

  • DHCP Management and configuration

  • Provides 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

  • Performs daily system monitoring; verifies the integrity and availability of networking hardware, services, systems, and key processes; reviews system and application logs

  • Documents and performs network upgrades and modifications during ASI windows

  • Provides on-call troubleshooting and issue resolution as required

  • Develops and maintains installation and configuration procedures

  • Partner with the information security personnel to assess potential exposure to vulnerabilities, identify mitigation plans, and ensure compliance with enterprise security baselines and standards

  • Acts 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

  • Provides phone support to users during the time of peak demand as needed.

  • Inform management in a clear, concise, and timely manner of any customer or technical issues

  • Be responsive and decisive on adjusting architecture as customer requirements and technology evolves

  • Coordinate with on-site support personnel while troubleshooting

  • Use enterprise service management tools to initiate, respond, and track service requests

  • Create reports and analyze performance metrics

  • Adhere to change management processes and procedures

REQUIRED SKILLS:

  • Active Secret clearance

  • DoD 8570 IAT Level II Certification or higher

  • One or more of the following active network certifications:

    • Cisco Certified Network Administrator (CCNA)

    • Cisco Certified Network Professional (CCNP)

    • Juniper Network Certified Internet Associate (JNCIA-Junos)

    • Juniper Network Certified Internet Specialist (JNCIS-ENT)

  • Candidate MUST be willing to obtain an Aruba Certification within 90 days from start of employment

  • Bachelor’s Degree in a related field. Work experience considered in lieu of degree.

  • 8+ years of related experience

  • Possess flexibility to operate in a highly dynamic environment while ensuring a high level of operational effectiveness

  • Detail oriented with ability to work well in a team environment

  • Broad understanding of network infrastructure topologies, security policies, firewalls, and the L2/L3 switch and router infrastructure

  • Extensive experience troubleshooting, managing and monitoring the health of Cisco and Juniper routers and switches

  • In depth knowledge of TCP/IP protocols.

  • Experience deploying, managing, and troubleshooting network systems, switching, and routing protocol standards such as: TCP/IP, MPLS, OSPF, BGP, SDN, and 802.1x.

  • Experience managing and troubleshooting DNS, DHCP, IPAM, and NTP in a large multi-site environment

  • Experience using network management and analysis tools such as SNMP probes, network taps, and traffic analyzers

  • Experience with Network Management & Performance platforms, such as NetScout, IBM NetCool, Solarwinds NMS products, NetBrain, Infovista

  • Experience managing Cisco Prime/Junos Space

  • Experience building configurations using CLI

  • Experience with network security, including firewall, IDS/IPS, VPN, and vulnerability remediation

  • Experience creating & updating network topologies using Visio

  • Creating and documenting processes and creating work instructions

  • Experience working as a part of a large team and working directly with customers

  • Excellent hardware troubleshooting experience.

  • Experience with supporting teleworkers and remote access technologies

  • Experience creating scripts to automate routine administration tasks

  • Excellent verbal skills and ability to communicate effectively with people who have varying degrees of technical expertise

  • Strong customer service skills

DESIRED SKILLS:

  • Aruba Certification (ACSA and/or ACSP, depending on role)

  • Solid Network Engineer Routing & Switching background

  • Very Strong DNS Administration Experience

  • Experience with Infoblox is highly preferred

  • Experience with F5 load balancers to include troubleshooting, configuring, upgrading, maintaining, and monitoring an enterprise F5 load balancer network architecture

  • Experience with Infoblox IP Address Management (IPAM) and DHCP Administration

  • Experience utilizing Remedy ITSM

#ETMcareer

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.

GDIT 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.