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Technical Support Engineer (Tier 3)

Fiserv

Fiserv

IT, Customer Service
Tokyo, Japan
Posted on Mar 10, 2026

Calling all innovators – find your future at Fiserv.

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Technical Support Engineer (Tier 3)

What does a successful Technical Support Engineer (Tier 3) do?

As a Technical Support Engineer, you will drive excellence for our organization when providing Global support to both internal and external partners on a complex range of topics. You will manage trending issues and provide internal Clover teams (Engineering, Product, QA, etc.) with insight into the merchant experience. We are looking for an analytical and innovative thinker who is able to quickly isolate the cause and impact of timesensitive issues. You will be leading technical discussions in a customer facing capacity. Candidates must communicate findings in a clear and concise manner to audiences of varying technical backgrounds. Ideal candidates will proactively identify gaps in our product and processes, keep relevant stakeholders informed, and drive projects to completion with minimal guidance.

What you will do:

• Work closely with Product, Engineering, Ops, QA, Payments, Billing and Customer Support to triage, document, monitor, and help resolve merchant issues.

• Provide operational support for launching additional products and features globally

• Identify ways to improve the merchant experience and work with the relevant teams to implement these opportunities

• Participate in a regular on-call rotation

What you will need to have:

• A high degree of technical aptitude for troubleshooting a diverse set of computer systems such as networking, mobile devices and operating systems, web interfaces, and more.

• Innate curiosity for solving complex problems through hypothesis-driven problem-solving skills and in-depth investigations.

• Verbal and Writing skills to effectively communicate with different types of audiences.

• Min 1-year direct experience with data analysis using Excel and/or SQL querying.

• Min 1-year direct experience initiating and driving projects to completion with minimal guidance while adjusting to rapidly changing requirements.

• Excellent collaboration, cross team and internal team engagement and positive can-do attitude, this is a fast paced/sense of urgency, high pressure environment to thrive in.

• Proficient in Japanese language, both spoken and written.

What will be great to have:

• Strong understanding of relational databases, SQL/Grafana querying, and Android OS troubleshooting.

• Experience as a technical team lead or manager.

• Experience with automating manual processes.

• Experience with gathering technical requirements.

• Experience with reporting to all levels of management.

Thank you for considering employment with Fiserv. Please:

  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.