TIER 3 VoIP Administrator - Military veterans preferred

General Dynamics Information Technology (www.gdit.com)


  full-time   employee

United States

Primary responsibilities include engineering, installing and troubleshooting data and telecommunications network infrastructure for client’s customers. Additional requirements include creating and updating network documentation, network assessments and reporting results. This position will work closely with other members of the clients internetworking team to support the overall mission of the company and its' strategic business initiatives.


  1. Demonstrate knowledge and experience in configuration, implementation, and maintenance of voice, data, and/or network communications systems.
  2. Communicates ideas both verbally and in written form in a clear, concise, and professional manner
  3. Demonstrate good working knowledge of telecommunications industry as well as voice system design and engineering
  4. Demonstrate ability to understand and apply technical concepts and ability to analyze and solve problems using learned techniques and tools.
  5. Demonstrate knowledge and experience of basic understanding of infrastructure wiring/ connectivity
  6. Knowledge in design and software support for IP, VoIP, PBX, voice mail, voice networks, and video systems
  7. Bachelor's degree with a major in a field that provides knowledge useful for managing IT requirements similar to those of the Task Order requirements
  8. Knowledge of DOD network and system security requirements.
  9. Demonstrated experience in a DOD Information Technology environment
  10. Demonstrated ability for oral and written communication with the highest levels of management


Primary Duties and Responsibilities:

  • Monitor, maintain and administer the health of the corporate wide network infrastructure
  • Maintain and administer network infrastructure standards, documentation and fault tolerance
  • Monitoring, managing, and troubleshooting
  • Monitor and troubleshooting Call Center System (ACD)
  • Document logical and physical network design changes
  • Follow ITIL based process and procedures and escalate for technical assistance
  • Advise and make recommendations to management concerning infrastructure and related LAN issues
  • Validate and coordinate all scheduled maintenance on Transport Systems
  • Understand client's operational and sustainment methodologies and processes
  • Gain familiarity with the client's current data center infrastructure
  • Work with ITA and GDIT SDMs to ensure "other" services are available on time
  • Work customer Remedy Incident Tickets. Interface with customers to resolve telephony issues
  • Provision or change directory numbers for new and existing customers.
  • Evaluate voice configurations of Voice equipment: Genband/Ribbon AS, Cisco Call Manager, Audiocodes gateways.
  • Design /maintain documentation related to work flow




Required Skills and Experience:

  • Active Secret Security Clearance
  • 5-8 years of directly related experience in network administration and support
  • 3 years of related voice system experience
  • Current Security+ CE certification
  • Current System Certification from Telephony Vendor or Cisco CCNA or Juniper JNCIA

Candidate must have knowledge and/or experience with:

  • Current NOC operations
  • Proficient in administering VoIP
  • Switching protocols Spanning Tree, VTP, port grouping
  • Layer networking (MPLS, etc)

For more than 50 years, General Dynamics Information Technology has served as a trusted provider of information technology, systems engineering, training and professional services to customers across federal, state, and local governments, and in the commercial sector. Over 40,000 GDIT professionals deliver enterprise solutions, manage mission-critical IT programs and provide mission support services worldwide. 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.


Bachelors Degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.