Application Support Engineer - Sr

Our software engineers at Fiserv bring an open and creative mindset to a global team developing mobile applications, user interfaces and much more to deliver industry-leading financial services technologies to our clients. Our talented technology team members solve challenging problems quickly and with quality. We're seeking individuals who can create frameworks, leverage developer tools, and mentor and guide other members of the team. Collaboration is key and whether you are an expert in a legacy software system or are fluent in a variety of coding languages you're sure to find an opportunity as a software engineer that will challenge you to perform exceptionally and deliver excellence for our clients.

• Full-time
• Entry, Mid, Senior
• Yes (occasional), Minimal (if any)

Responsibilities

Requisition ID R-10361398 Date posted 11/03/2025 End Date 11/28/2025 City Omaha State/Region Nebraska Country United States Additional Locations Lincoln, Nebraska 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

Application Support Engineer - Sr

About your role:
Fiserv is looking for a talentedApplication Support Engineer Senior to provide technical production support, managing/troubleshooting, deploying customer care applications, and upcoming technology needs like cloud migration etc. We are committed to providing exceptional service and support to our clients. As an Application Support - Sr, you will be part of a dedicated team ensuring the smooth operation and maintenance of critical business applications. This role involves diagnosing and resolving technical issues, providing guidance to end-users, and collaborating with various teams to improve application performance and reliability. In addition, diagnosing and fixing operational issues with our high-volume transaction processing applications, products, and platforms.

What you'll do:

• Provide expert-level support for business applications, ensuring maximum uptime and performance
• Troubleshoot and resolve complex application issues, collaborating with development teams as needed
• Monitor application performance and lead initiatives to improve efficiency and reliability
• Document support activities, maintain detailed logs, and develop user guides and training materials
• Participate in an on-call rotation where you will work in a team environment as well as independently to resolve issues and triage & resolve client requests and incidents
• Analyze internal alerts coming from various monitoring tools like Splunk, Sitescope, and Dynatrace
• Analyze code and participate in root cause analysis
• Work closely with product development teams to review operational readiness of production changes, release deployments, and validation

Experience you'll need to have:

• 3 years of experience in Cloud Technologies like Azure
• 5+ years of experience in application support in Microsoft technologies (C#, .Net) and/or Java technologies
• 2+ years of experience in SQL databases
• 2+ years of experience in troubleshooting and resolving technical issues
• 4+ years of an equivalent combination of educational background, related experience, and/or military experience
• Experience with multi-tier architecture applications
• Strong troubleshooting and problem-solving skills to identify and resolve application issues
• Bachelor’s degree required; relevant, equivalent work experience may be substituted for degree requirement

Experience that would be great to have:

• Experience with Service Now for Incident, Case, Problem and Change Management
• Familiarity with monitoring tools like Splunk, Dynatrace
• Familiarity with scripts using Python, Powershell, Linux/Unix Shell scripting for automating middleware maintenance.
• Familiarity with FTP concerts and other tools like Control-M

How you’ll work:

• Fiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech; this role is on-site Monday through Friday
• This role requires being on-call during non-standard and/or overnight hours on a rotational basis

Sponsorship:

• You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island or Washington.

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

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.

• 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 . 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.

Benefits

• Medical, Vision and Dental Benefits

  Comprehensive benefit plans to suit your unique needs

• Fuel Your Life Wellness Program

  Resources to elevate your well-being

• 401k, Employee Stock Purchase Plans and Incentives & Bonuses

  When Fiserv performs well, so does your financial health

• Employee Resource Groups

  Celebrating inclusion in the workplace

• Paid Time Away

  Providing the time off to manage personal needs