Sr Network Engineer

2 months ago
Job ID
Infrastructure Support


About DMI

DMI, the world’s first end-to-end mobility company, combines all the skills and services necessary to deliver mobile enterprise solutions. Built to reinvent business through mobility, DMI has expertise in mobile strategy, UX, web, and app development, omni-channel commerce, brand and marketing, big data management and analytics, and secure device and app management. The company’s unique, integrated approach to mobility has resulted in dramatic growth as well as an expanding client base, which includes hundreds of Fortune 1000 commercial clients and all fifteen U.S. Federal Departments. DMI is headquartered in Washington DC area, with satellite offices around the world. Additional information is available at and on LinkedIn, Twitter, Facebook, and Google+.


About the Opportunity

The Senior Network Engineer will become part of a team of network engineers responsible for keeping an evolving mission critical enterprise network operating flawlessly.


Duties and Responsibilities:   


We are seeking a Network Engineer with an active TS clearance and who is able to pass a CI Polygraph.  The network engineer will need to perform a variety of network engineering tasks, including switch/router configuration, providing engineering solutions for network connectivity, supporting various encryption devices, firewall management, network proactive monitoring and documentation.

  • Develop LAN/WAN network designs to accommodate a data center migration
  • Demonstrated knowledge and hands on experience with LAN/WAN setup, TCP/IP protocol, routing/switching configurations and firewall technologies.
  • Must be willing to work with non-traditional network vendors and have a strong understand of traditional vendors like Cisco, Juniper and Arista.
  • Knowledge and experience with routing protocols (RIP, OSPF, and BGP)
  • Experience with firewall policy design and maintenance.  Familiarity with monitoring firewall devices and response to device problems.
  • Experience configuring, deploying and troubleshooting firewalls.
  • Experience implementing and troubleshooting IPSEC VPN connections on equipment from multiple vendors.
  • Design and implementation of IPv6 infrastructure in a dual stack environment is desired.
  • Hands on experience with configuring, upgrading, and deploying network equipment.
  • Participate in the implementation of agreed upon solutions and strategies.
  • Capable of troubleshooting layer 1, 2 and 3 problems using various network tools.
  • Have experience working with type 1 network encryptor.
  • Generate innovative approaches and solutions to recurring tasks or problems.
  • Engineer will need to provide network-engineering input to customer on major projects, upgrades, and installations.
  • Be responsible for planning, implementing, and supporting changes to the network including cable infrastructure, network software and hardware.
  • Provide detailed documentation and procedures for all solutions.
  • Analyzing and recommending the purchase of network equipment.
  • Document technical problems, resolutions, and processes for assigned tasks and projects.
  • Participate in testing and evaluation of new technologies to ensure compatibility and functionality.
  • Follow policies and procedures for change and incident management.
  • Analyzing traffic information and providing analyses to justify network optimization and reconfiguration.
  • Have a general knowledge of systems and enterprise storage technologies.
  • The ideal candidate will be a proactive self-starter with excellent verbal and written communication skills, and must be able to work with minimal supervision. 
  • Willing to start work later shift hours (ex 10AM – 6 PM or Noon to 8PM) Monday to Friday to support west coast with the possibility for weekend (for maintenance or emergency).


Required Skills/Certifications:

  • Active TS is required (SCI eligible)

Desired Skills/Certifications: 

  • Cisco or network certifications preferred
  • Active Directory
  • Windows Server 2012 
  • Looking for someone with strong experience with switches
  • Looking for someone with strong experience with Layer 3


Physical Requirement(s):  No Physical Requirement


Location: Quantico, VA or Huntsville, AL


Working at DMI

DMI is a diverse, prosperous and rewarding place to work. We provide our employees with competitive benefits, educational assistance, and career growth opportunities. Every employee is valued for their talents and contributions. We all take pride in helping our customers achieve their goals, which in turn contributes to the overall success of the company.

The company does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans, and to treat qualified individuals without discrimination on the basis of their physical or mental disability or veteran status. DMI is an Equal Opportunity Employer Minority/Female/Veterans/Disability.

***************** No Agencies Please *****************

Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.




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