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Pbx Engineer Jobs in California (NOW HIRING)

Atos

Network Voice Engineer

West Hollywood, CA

... migrations from legacy PBX system to the new Cisco CUCM. The Sr. Cisco VoIP Engineer also ... coordinates with other groups within IT to resolve multi-disciplinary issues-specifically with the ...

Randstad

Telecoms Engineer

Anaheim, CA

$50 - $53/hr

Additional Requirements ï‚· familiarity with onsite equipment including Cisco Call Manager, Nortel, PBX Systems. ï‚· Excellent client-facing and customer service skills. ï‚· Willingness to travel to ...

New

ServiceTitan

Voice Operations Engineer

Glendale, CA · On-site +1

Experience with PBX and IVR routing concepts in an enterprise or hosted environment. * Bachelor's degree in Computer Science, Network Engineering, or a related field (or equivalent professional ...

8x8, Inc.

4000.1046 - Sr. Software Engineer

San Jose, CA

$143K - $189K/yr

Good knowledge and Strong hand-on Experience on VoIP, PBX and JTAPI call control, CTI/ECMA-CSTA * Strong hand-on experience with core Java programming, Javascript, Python, Rubby, Node.JS, PHP, Scalar ...

8x8, Inc.

4000.1046 - Sr. Software Engineer

San Jose, CA · On-site

$143K - $189K/yr

Good knowledge and Strong hand-on Experience on VoIP, PBX and JTAPI call control, CTI/ECMA-CSTA * Strong hand-on experience with core Java programming, Javascript, Python, Rubby, Node.JS, PHP, Scalar ...

PTP

Genesys Architect - REMOTE

Sacramento, CA · On-site +1

Lead a team of engineers in implementation activities * Expert hands-on experience with Genesys ... PBX to Genesys SIP Migration * J2EE (Java, Servlets, JSP, EJB, JSF) * .NET (C#, ASP.NET, ADO.NET)

8x8, Inc.

4000.107 Sr. Java Developer

San Jose, CA · On-site

$67.75 - $86.50/hr

... Programmer. Primarily responsible for building mission critical web services and applications ... Experience with PBX, Cloud based communications would be preferred, but not required * Integration ...

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Pbx Engineer information

What is a PBX engineer?

A PBX Engineer is a technical professional who specializes in designing, installing, configuring, and maintaining Private Branch Exchange (PBX) phone systems for organizations. These systems manage internal and external telephone calls and often integrate with other communication technologies like VoIP and unified communications platforms. PBX Engineers ensure that the phone systems are reliable, scalable, and secure, and they also troubleshoot issues, perform upgrades, and provide technical support to users. Their work is critical in ensuring seamless communication within a company.

What is the difference between Pbx Engineer vs VoIP Engineer?

AspectPbx EngineerVoIP Engineer
CertificationsCCNA, Avaya certificationsCisco CCNA, CCNP, or VoIP-specific certifications
Work EnvironmentTelecom and enterprise phone systemsInternet-based voice communication systems
Industry UsageTelecom providers, large enterprisesIT, networking, and communications companies

While both Pbx Engineers and VoIP Engineers work with voice communication systems, Pbx Engineers focus on traditional private branch exchange systems, often involving hardware and legacy technology. VoIP Engineers specialize in internet-based voice solutions, emphasizing network integration and software-based systems. The roles overlap in certifications and work environments but differ in technology focus and application.

What are some common challenges PBX engineers face when managing large-scale telephony systems?

PBX Engineers often encounter challenges such as integrating legacy phone systems with modern VoIP solutions, ensuring high system uptime, and troubleshooting complex call routing issues. Working in a large-scale environment also means handling security concerns and coordinating with IT and network teams to implement updates or resolve outages quickly. Staying up-to-date with evolving telecommunication standards and balancing multiple projects simultaneously are also common aspects of the role.

What are the key skills and qualifications needed to thrive as a PBX engineer?

To thrive as a PBX Engineer, you need a strong background in telecommunications, VoIP systems, and network infrastructure, often supported by a degree in information technology or related certifications like Cisco CCNA or Avaya certifications. Familiarity with PBX platforms (such as Avaya, Cisco, or Asterisk), SIP protocols, and network troubleshooting tools is essential. Strong problem-solving skills, attention to detail, and effective communication make someone stand out in this position. These skills ensure reliable voice communication systems, quick resolution of technical issues, and seamless collaboration with clients and IT teams.
What are the most commonly searched types of Pbx Engineer jobs in California? The most popular types of Pbx Engineer jobs in California are:
What are popular job titles related to Pbx Engineer jobs in California? For Pbx Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Pbx Engineer jobs in California look for? The top searched job categories for Pbx Engineer jobs in California are:
Pbx Engineer jobs near you
Infographic showing various Pbx Engineer job openings in California as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Temporary. Highlights an 95% In-person, and 5% Hybrid job distribution.

Network Voice Engineer

Atos

West Hollywood, CA

Full-time

Re-posted 8 days ago

Job description

Company Description

Atos is a leader in digital services with annual revenue of 12 billion and 100,000 employees in 72 countries. Serving a global client base, Atos offers Consulting & Systems Integration, Managed Services & BPO, Cloud, Big Data & Cyber-security solutions. With deep technology expertise and industry knowledge, Atos works with clients across many business sectors: Defense, Financial Services, Health, Manufacturing, Media, Utilities, Public Sector, Retail, Telecommunications, and Transportation.
Atos is focused on business technology that powers progress and helps organizations to create their firm of the future. In addition, Atos is the Worldwide Information Technology Partner for the Olympic & Paralympic Games and operates under the brands Atos, Bull, Canopy, Unify and Worldline.
Atos offers a broad professional perspective and the opportunity to build a rewarding career across either the technical or business paths. With our worldwide presence and our broad range of professional services, Atos provides training programs across all our competencies and markets worldwide for employees in all stages of their career. In addition, we offer programs that are focused on engaging and developing people who are at the beginning of their career through internships and graduate opportunities.
For more information, please see the Atos corporate web site: www.atos.net.
Atos is an EEO employer, providing employment opportunity regardless of race, color, religion, sex, age, national origin veteran status, disability or other factors protected by law.

Job Description

The Sr. Network Voice Engineer (Cisco Voice over IP Engineer) supports the planning, deployment, implementation, and maintenance of our client's enterprise IP telephony infrastructure.

Responsibilities include technology development and research, design and implementation, infrastructure design, engineering of network-based telephony services, level-2 and level-3 technical problem management.

Much of the work of the Sr. Cisco VoIP Engineer will be split between project-based efforts and operational support. This position works independently with vendor-partners on technology products and services to ensure smooth operations as well migrations from legacy PBX system to the new Cisco CUCM.

The Sr. Cisco VoIP Engineer also coordinates with other groups within IT to resolve multi-disciplinary issues-specifically with the WAN and LAN engineers on technical issues that span these domains.

Qualifications

- Expert knowledge of Cisco Unified Communications Manager (Call Manager) ver. 6x/7x/8x/9x/10x

- Expert knowledge in SBC SIP trunking specifically ACME Packet

- Expert enterprise multi-cluster design, integrating CUCM (Call Manager), Unity and Unity Connections, Expert enterprise Contact Center Design and implementation, integration/engineering of UCCX

- Expert knowledge of Cisco Unity and Unity Connections

- Cisco Emergency Responder (CER)

- IPCC and related applications

- Cisco IOS Telephony T1-PRIs/Gateways/MGCP/SCCP/SRST

- Cisco QoS for VoIP

- Expert knowledge of LAN/WAN communications

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