Located in Plano, TX, ESI is always looking for the very best people to join our team of 100 knowledge workers to help us design, develop, manufacture, sell and support our portfolio of reliable, quality products and services.  

Check out our current openings and see if you believe you are the right fit for ESI.


Here is a quick overview of our benefits

  • Competitive salaries — ESI offers highly competitive compensation based on experience and background.
  • Vacation — ESI employees get two weeks of paid vacation per year after Year One, three weeks per year after Year Five, and four weeks per year after Year Ten.
  • Matched 401K Plan — Progressive 401K Plan with many different mutual funds currently available. Employees may contribute up to 15% of salary toward the Plan and the company will match contributions at a rate of 25 cents on the dollar up to the 6% level.
  • Educational assistance program — ESI encourages employees to better themselves through higher education. Toward this end, ESI will reimburse employees for educational expenses (based on academic performance) related to the employee’s position or toward a degree plan.
  • Excellent medical and dental benefits for the employee and family.
Current openings
  • Technical Support

  • Please refer to job 201318 when submitting your résumé.

    The Technical Support III (L3) position is a designated product, software and services support specialist in ESI’s Customer Services organization. The key role of the Customer Services organization is to field Reseller product inquiries which include trouble reporting and issue isolation/identification and correction. Specifically, the role of the L3 Support Technician is to provide an elevated/escalated role of support to internal and external customers.

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  • Please refer to job 201408 when submitting your résumé.

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  • Sales

  • Please refer to job 201402 when submitting your résumé.

    We are looking for energetic Inside Sales Representatives for Cloud Services to join our team.  

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  • Please refer to job 201427 when submitting your résumé.

    We are currently seeking an expert Major Account Sales Representative to join our national sales team. This position acts as the lead representative focused on developing major accounts within targeted regional cities. This person will be responsible for building and nurturing relationships with mid-sized to large enterprises, leveraging ESI’s complete portfolio of Cloud services. This position requires an aggressive, intelligent, self-motivated individual that is focused on helping customers create the best communication solution for their businesses.

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  • Engineering

  • Please refer to job 201310 when submitting your résumé.

    If you are a talented mobile applications developer, we want to talk to you! ESI is looking for mobile applications developers to join our R&D organization. This position will help build and maintain ESI’s smartphone and tablet applications. (Local candidates only. H1B sponsorship is not available at this time.)

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  • Web Applications Developer (201403) Deadline: 2016-03-26 Plano, TX

    Please refer to job 201403 when submitting your résumé.

    ESI has been at the forefront of designing and developing technologies to connect people for over 27 years. As a pioneer in voice communications, we know that the ways people connect continue to evolve at lightning speed. ESI continues to deliver products and services that will take communications to the next level for small to mid-sized businesses (SMBs) and our strong Reseller partner community. We are dedicated to empowering our Reseller partners to sell customers the best choice in communication solutions, from IP/digital/analog on-premises solutions to fully cloud-based communication services. ESI takes the complexity out of communicating and makes it affordable for every SMB. We are true believers in making communications easy, connecting people to information, and being the most channel-friendly provider in the market. If you want the chance to make a difference every day for ESI Resellers and customers, join the evolution of communications: take a look at ESI. For more information about ESI and its products, visit Follow ESI on Twitter @ESIphones or on Facebook at

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  • Please refer to job 201403 when submitting your résumé.

    ESI is looking for talented Web applications developers to join our dynamic Engineering organization. This position will focus on new, emerging technologies and hosted PBX offerings. If you’re a software engineer with Web applications development experience, we want to talk to you!

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Estech Systems, Inc. (ESI) Recognized as a  Healthiest Employer of North Texas
Estech Systems, Inc. (ESI) Recognized as a Healthiest Employer of North Texas

Dallas, Texas – March 19, 2015 – Estech Systems Inc. (ESI) has been recognized as a winner of the 2015 Healthiest Employers, an awards program presented by the Dallas Business Journal.

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