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Voice Infrastructure Engineer Jobs in Texas (NOW HIRING)

Hopper

... stack engineer to anchor this product, owning the realtime and voice layer end to end while ... infrastructure. The team is lean and senior, ownership is broad, and the path from your code to a ...

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Voice Infrastructure Engineer information

What is the difference between Voice Infrastructure Engineer vs VoIP Engineer?

AspectVoice Infrastructure EngineerVoIP Engineer
CertificationsCCNA, CCNP, Cisco Voice certificationsCCNA, CCNP, Cisco Voice certifications
Work EnvironmentTelecom, enterprise networks, data centersTelecom, enterprise networks, service providers
Industry UsageDesigning and maintaining voice infrastructure systemsImplementing and troubleshooting VoIP solutions

Both roles require similar certifications and work in telecom or enterprise environments. The Voice Infrastructure Engineer focuses on designing and maintaining overall voice systems, while the VoIP Engineer specializes in implementing and troubleshooting VoIP solutions within those systems.

What cities in Texas are hiring for Voice Infrastructure Engineer jobs?

Cities in Texas with the most Voice Infrastructure Engineer job openings:

Infographic showing various Voice Infrastructure Engineer job openings in Texas as of August 2026, with employment types broken down into 100% Full Time. Highlights an 74% In-person, and 26% Remote job distribution.

IT Networking VoIP Engineer

Amarillo, TX • On-site

Geosyntec Consultants, Inc.
Environmental Quality Programs Administration • 1 - 5K employees
Learn more about Geosyntec Consultants, Inc.external

Full-time

Posted 11 days ago

Job description

Longenecker & Associates (L&A), a Geosyntec Company, is a trusted partner enabling critical missions across the U.S. Department of Energy (DOE) complex for more than 30 years. We contribute to DOE’s nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. We are seeking a motivated IT Networking VoIP Engineer to contribute to our mission supporting our work at Pantex in Amarillo, TX.

Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.

We invest in our people.  Each employee is unique, and your career at Geosyntec will be too.  We offer competitive pay and benefits, and well-being programs to support you and your family.

To Learn More Visit: http://www.geosyntec.com/careers/.


  • Administer Cisco Unified Communications platforms including CUCM and Unity Connection.
  • Perform voice user administration, moves, adds, changes, and deletions (MACDs).
  • Provision phones, users, hunt groups, and voicemail services within established SLAs.\
  • Maintain 99.9% availability of Cisco UC applications and supporting network infrastructure.
  • Monitor system health, capacity, licensing, and trunk utilization.
  • Manage Cisco TAC cases and provide root cause analysis for critical incidents.
  • Maintain STIG compliance and remediate vulnerability findings.
  • Manage SSL/TLS certificates and prevent service outages due to expiration.
  • Administer voice gateways, dial plans, route patterns, translation patterns, and call routing services.
  • Support PBX-to-VoIP migration projects and phased cutovers.
  • Maintain documentation, Visio diagrams, asset inventories, and SOPs.
  • Provide network operations support for switches, F5 load balancers, and Infoblox services.

  • Bachelor’s degree in a related field and a minimum of 5 years of relevant experience.
  • Master’s degree in a related field and a minimum of 2 years of relevant experience.
  • Experience in lieu of education: A combination of 10 or more years of relevant education, training, and/or professional experience may be considered in place of the degree requirement.

REQUIRED SKILLS, EXPERIENCE AND QUALIFICATIONS:

  • At least 5 years of relevant experience or equivalent combination of education and experience. (required)
  • Experience supporting enterprise network and voice infrastructures. (required)
  • Must possess an active DoD Top Secret (TS) clearance or DOE Q Clearance, or have previously held one and be eligible for reinstatement. (required) 
  • Due to federal contract security requirements, this position requires U.S. Citizenship. (required)
  • Due to federal contract security requirements, candidates must be able to successfully pass a federal background investigation to secure and maintain DOE Q security clearance. (required)
  • Health & Safety training, medical monitoring, and client-driven drug and background testing. (required)

PREFERRED QUALIFICATIONS & LOCATION DETAILS:

  • Cisco routing and switching
  • Cisco Catalyst Center (DNA Center)
  • Cisco Wireless LAN Controllers and Access Points
  • Cisco VoIP technologies including CUCM, Unity Connection, and IM & Presence
  • Tenable vulnerability management
  • Splunk monitoring and dashboards
  • NOC/SOC monitoring and network management
  • This position is onsite and requires full-time attendance in Amarillo, TX.

Please note that federal contractors are required to maintain a drug-free workplace. Regardless of state laws permitting medical or recreational marijuana use, employees working under federal contracts may be subject to federal requirements that prohibit marijuana use.


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