Product Support Engineer III

Product Support Engineer III

Job Location: Dallas, Texas

Location Flexibility: Multiple Locations in Country

Req Id: 8320

Posting Start Date: 5/26/26

About 1FINITY

1Finity, a Fujitsu company, is a global provider of communications networks for our connected world. We uniquely combine technological leadership and expertise in open optical and wireless networking, network automation, and applied AI/ML to design, build, operate, and maintain critical digital communications network infrastructure. Collaborating closely with ecosystem partners, we deliver transformative outcomes for service providers and network operators, and enable them to lower TCO, improve network performance, and increase energy efficiency. We're also a diverse, inclusive, and innovative workplace that achieves together. We offer highly competitive compensation, benefits, and career development opportunities, as well as flexible options for working your way. See what working at 1Finity looks like at . For more information, please visit

1Finity at a Glance

1Finity is a leading information and communication technology (ICT) company, headquartered in Japan, offering a full range of technology products, solutions, and services. 1Finity people support customers in more than 100 countries. We use our experience and the power of ICT to shape the future of society with our customers.

We have a corporate culture that places great value on the pursuit of new possibilities previously unimagined and brings them to fruition. This has been the foundation of 1Finity's success since its inception. In an increasingly competitive world, in which the pace of change continues to accelerate, 1Finity must strive for continuous innovation. Each and every employee will rise to the challenge of creating new value amid changes in the management environment, technology, society and the marketplace. With a spirit of challenge, we are committed to the continuous creation of new value. 1Finity wants innovators like you!

What do we do?

Product Support Engineers serve primarily to address technical issues relating to product implementation, function and upgrades. In this role you would work directly with customers to resolve problems and create troubleshooting documents.

We are seeking a Product Support Engineer to provide technical support during the development and introduction of new products and features. This includes product testing, customer lab evaluations and demos, first office applications, compliance testing to industry standards, interoperability testing of FNC products, partner products, and other vendor products.

We also provide technical oversight for new products and existing products. We are directly involved with customers to help resolve issues. You would be a member of the Product Support Engineering Team that works directly with Product Planning, Sales, Engineering and the Customer during the New Product Introduction phase of the Product Life Cycle.

Your Responsibilities:

• Support lab evaluations and field trials

• Performs system level testing during customer trials and demos. You will have assistance from upper-level Engineers and Product Support Management as needed

• Provide technical support for customer First Office Applications (FOA) and new product trials

• Validate customer acceptance test plans and provide direct lab support to customer engineers during the execution of the test plan

• Troubleshoot and investigate product related issues

• Develops Methods of Procedures for product operations and upgrades

Requirements:

• Minimum of 3 years of product support experience

• Bachelor's degree in engineering, preferably telecom

• Experience working with 3rd party development preferred.

• Experience managing products, customer solutions within Optical.

• Strong presentation skills and ability to work well with customer technical staff.

• Debugging skills and analytical skills to understand customer issues

• Written and verbal communication skills

Any of the following will be a plus:

• Experience with Telecom Optical transmission equipment

• Experience in EMS/NMS support.

• Hands-on experience of various communication protocols such as Netconf, TL1 and modelling tools such as Yang

1Finity salaries are aligned to the specific geographic location in which the work is primarily performed. ? It is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the circumstances of each situation. The pay range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to: specific skills, qualifications, experience, and comparison to other employees already in this role. The pay range for this position is estimated at $93,800 to $150,080 USD. Additionally, this role may be eligible for a short-term incentive based on company results and individual performance.

As a technology company, 1Finity recognizes that human resources are its most important capital. To create an environment where all employees can work positively and healthily, both in mind and body, we offer a full range of health, 401K, and other benefits.?

Relocation Supported: No

Visa Sponsorship Approved: No

At 1Finity, one of our corporate principles is "We respect human rights". This commitment guides the actions of every1Finity Group member and is fundamental to how we operate, both as individuals and as a company. We are proud to be an equal opportunity employer that values diversity and inclusion. Qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. By empowering people, we can unleash our collective strengths to create a better experience for our employees, our customers, and our partners. California Privacy Act: