1000000662.VOIP ENGINEER II.INFO TECH SERVICES

Dallas County Votes; Dallas (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

Dallas County is seeking a VoIP Engineer II to provide advanced administration and support of enterprise VoIP systems. You will independently manage changes, resolve complex issues, and serve as an escalation point for VoIP incidents while contributing to system design and service improvements.

Responsibilities include monitoring, configuration of VoIP devices, and collaboration with network and engineering teams to ensure seamless integration.

Qualifications

• Education and experience equivalent to a Bachelor’s degree in a relevant field.
• Three (3) years of work-related experience, including two (2) years managing and supporting VoIP systems.
• Experience with VoIP protocols and enterprise systems such as Cisco/Avaya in large environments.

Responsibilities

• Ensure reliable VoIP service performance through monitoring and troubleshooting.
• Install, configure, and support VoIP devices across Dallas County facilities.
• Provide tier-2 and tier-3 support and act as escalation point for VoIP incidents.
• Collaborate with network and systems teams to integrate VoIP with other systems.
• Assist in design, testing, and implementation of VoIP architecture enhancements.
• Coordinate with vendors and internal teams on maintenance and changes.
• Perform other duties as assigned.

Skills

Troubleshooting

Problem-solving

Communication

Security best practices

Network concepts (LAN/WAN, VLAN, QoS)

Education

Bachelor’s degree in CS/IT/Engineering or related field

3 years experience, VoIP experience

Tools

Cisco Unified Communications

Avaya

VoIP protocols (SIP, H.323)

IP PBX systems

VoIP monitoring tools

Job description

1000000662.VOIP ENGINEER II.INFO TECH SERVICES

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Job Description

Provides advanced administration and support of enterprise VoIP systems. Independently manages changes, resolves complex issues, and serves as an escalation point. Contributes to system design, optimization, and service improvements while collaborating across IT teams.

Responsibilities

Ensures reliable service performance of VoIP systems by performing regular monitoring, troubleshooting, and resolution of issues. Installs, configures, and supports VoIP devices (e.g., phones, gateways, and IP PBX systems) for users across Dallas County facilities. Provides tier-2 and tier-3 support and serves as escalation point for VoIP incidents and problems. Optimizes the efficiency and reliability of VoIP systems by identifying and addressing areas for improvement. Collaborates with the network and systems engineering teams to ensure the VoIP network integrates well with other systems. Assists in the design, testing, and implementation of VoIP architecture enhancements and new services. Coordinates with vendors, carriers, and internal engineering teams on maintenance and system changes. Performs other duties as assigned.

Qualifications

Education, Experience and Training: Education and experience equivalent to a Bachelor’s degree from an accredited college or university in Computer Science, Information Technology, Business Administration, Mathematics, Engineering or in a job-related field of study. Three (3) years of work-related experience, including two (2) years managing and supporting VoIP systems. Enterprise experience with VoIP protocols (SIP, H.323, etc.), and systems (e.g., Cisco Unified Communications, Avaya, or similar). Experience working in government or large enterprise environments is preferred. Special Requirements/Knowledge, Skills & Abilities: Must have a valid Texas Driver’s License and good driving record. Will be required to provide a copy of 10-year driving history. Must maintain a good driving record and remain in compliance with Article II, Subdivision II of Chapter 90 of the Dallas County Code. Individuals holding or considered for a position which has, or may have, access to criminal justice databases including the FBI Criminal Justice Information Systems, NCIC/TCIC and similar databases, must pass a national fingerprint-based records check prior to placement in such position and may be denied placement in such positions and/or access to such systems. Incumbents must also maintain the ability to pass the records check while in the position or until such time that the Commissioners Court and the County Civil Service Commission deem this position no longer has this requirement.

• Strong troubleshooting and problem-solving skills in a VoIP network environment.
• Knowledge of telephony systems and devices, including softphones, IP phones, and PBX administration.
• Proficient in VoIP-related software tools for monitoring and managing performance.
• Ability to configure and maintain IP telephony hardware and software solutions.
• Strong communications skills, both written and verbal to interact with technical and non-technical staff.
• Knowledge of security best practices for VoIP systems, including encryption, authentication, and access control.
• Knowledge of network protocols and infrastructure, including LAN/WAN, VLANs, and QoS principles related to VoIP.

Physical/Environmental Requirements: On-call 24/7. Typically works in a standard office environment.

About Us

Established in 1846, Dallas County is committed to serving the community through innovation, transparency, and efficiency. As the second largest county in Texas, we provide a wide range of services to support the safety, health, and well-being of our residents. From public safety and justice to health services and infrastructure, our team is dedicated to fostering a thriving, inclusive, and resilient community. With a focus on operational excellence and a commitment to continuous improvement, Dallas County works to deliver the highest quality services that enhance the lives of all who live, work, and visit here.

Job Info

• Job Identification 25002320
• Degree Level Bachelor's Degree
• Job Schedule Full time
• Job Shift Day
• Locations 500 Elm St, Dallas, TX, 75202, US