Requisition ID R-10362884 Date posted 06/12/2025 End Date 07/04/2025 City Berkeley Heights State/Region New Jersey Country United States Additional Locations Alpharetta, Georgia Location Type Onsite

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

Senior Technical Support Engineer

What does a successful Senior Technical Support Engineer do at Fiserv?

As a Senior Technical Support Engineer, you will play a key role in troubleshooting and resolving complex system issues, optimizing transaction processing, and maintaining seamless operations for some of the largest merchants in the U.S. You will be a critical technical resource within our Core Acquiring Front End engineering group, ensuring the stability, performance, and resiliency of mission-critical platforms that support our payments acquiring business.

We process over 350 million payment transactions per day with a peak throughput of over 8,000 transactions per second all while maintaining millisecond fast response time. All this is done for some of the largest merchants in the US.

In this fast-paced online transaction processing environment, you'll be a passionate critical problem-solver who can balance platform stability and resiliency along with modern engineering practices and solutions.

What you will do:

• Leverage your expertise as a full-time, Level 3 support for an online transaction processing (OLTP) application based in .NET
• Develop scripts, automation tools, and monitoring solutions to enhance efficiency and reduce manual intervention
• Investigate critical technical issues, analyze logs, replicate problems, and provide long-term solutions to prevent recurrence
• Deploy code to production environments
• Work closely with developers to identify and resolve application bugs, often requiring programming expertise
• Lead the resolution of major incidents, implement preventive measures, and contribute to knowledge base documentation
• Ensure stability of servers and databases by monitoring, maintaining, and optimizing system configurations
• Participate in code reviews, and support production

What you will need to have:

• 6+ years of experience with C#, .NET or Java
• 3+ years of experience with RDBMS, including database administration
• 3+ years of experience in SQL Server
• 3+ years of experience working with RESTful APIs and web services such as XML
• 1+ years of experience with monitoring tools such as SPLUNK
• Bachelor's degree in computer science, or a related field, or an equivalent combination of education, military, and work experience

What would be great to have:

• Experience in the banking, payments and/or financial domain
• Experience with network technologies such as LAN/WAN, Windows Servers, SQL, Firewall, and POS systems
• Experience with PC/Windows and/or Linux/AIX, with a technical aptitude for handling issues independently and under pressure
• Experience managing software applications across a multi-unit environment

Important info about this role:

• We’re better together! This role is fully on-site
• This is a full-time, direct-hire position, and no contract options or unsolicited agency submissions will be considered

Salary Range

$108,900.00 - $186,800.00

These pay ranges apply to employees in New Jersey, New York and California. Pay ranges for employees in other states may differ.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company’s sole discretion.

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 Equal Opportunity:

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.

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.

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.

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