Unified Communications Network Engineer

Job ID: 113611
Location: Dallas, Texas  [On-Site]
Category: Infrastructure
Employment Type: Contract
Date Added: 09/18/2026
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Role Summary
A skilled Network Engineer specializing in Unified Communications (UC) is responsible for designing, implementing, supporting, and optimizing enterprise voice, video, messaging, and collaboration services. This role requires collaborating with various technical teams to ensure reliable, secure, and high-quality communication solutions across on-premises and cloud platforms. The position involves managing a range of UC platforms, troubleshooting complex issues, and ensuring system performance and security.

Responsibilities

  • Design, deploy, configure, and support UC platforms including Cisco Unified Communications Manager (CUCM), Cisco Unity Connection, Cisco Webex, and Microsoft Teams Phone.
  • Support enterprise voice services such as SIP trunks, PSTN connectivity, Direct Routing, Operator Connect, and cloud calling solutions.
  • Configure dial plans, route patterns, calling policies, hunt groups, auto attendants, call queues, and voicemail systems.
  • Manage Microsoft Teams voice features via the Teams Admin Center and PowerShell.
  • Troubleshoot voice, video, messaging, and collaboration issues across LAN, WAN, internet, and cloud environments.
  • Analyze call quality metrics using diagnostic tools such as latency, jitter, packet loss, MOS, and QoS parameters.
  • Configure and maintain network services supporting real-time communications, including QoS, VLANs, routing, DNS, DHCP, NAT, and firewalls.
  • Support hardware and software components like voice gateways, SIP trunks, SBCs, desk phones, conference-room systems, headsets, and soft clients.
  • Manage user provisioning, licensing, migrations, onboarding, and offboarding for calling and collaboration services.
  • Monitor system performance, capacity, availability, and call quality; perform upgrades, patches, and lifecycle management.
  • Coordinate incident response, root-cause analysis, change management, and problem resolution.
  • Maintain technical documentation, network diagrams, dial plans, and operational procedures.
  • Collaborate with carriers and vendors to resolve service issues and participate in an on-call rotation for critical incident support.

Qualifications

  • Bachelor’s degree in information technology, networking, telecommunications, or equivalent professional experience.
  • Three or more years supporting enterprise networking or unified communications environments.
  • Hands-on experience with Cisco collaboration technologies including CUCM, Unity Connection, Webex, CUBE, and voice gateways.
  • Expertise in managing Microsoft Teams, Teams Phone, Direct Routing, or Operator Connect.
  • Proficiency in SIP, RTP, SRTP, SDP, TLS, codecs, dial plans, and PSTN integrations.
  • Strong knowledge of TCP/IP, routing, switching, VLANs, QoS, DNS, DHCP, NAT, VPNs, and firewalls.
  • Experience troubleshooting voice and connectivity issues through packet captures, call logs, and monitoring tools.
  • Familiarity with identity management, authentication, certificates, and cloud service integrations.
  • Excellent analytical, documentation, communication, and incident management skills.
  • Ability to work independently and effectively in a team environment.
  • In compliance with federal law, all persons hired must verify their identity and eligibility to work in the United States and complete the required employment eligibility verification form upon hire. Candidates must be legally authorized to work in the United States without employer sponsorship, now or in the future.
     

Publishing Pay Range: $50.00 – $55.00 hourly
This position is based in office and requires employee to work on-site.

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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