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Application Support Engineer - Sr

Job in Frisco, Collin County, Texas, 75034, USA
Listing for: Fiserv
Full Time position
Listed on 2026-02-14
Job specializations:
  • IT/Tech
    IT Support, Technical Support
Salary/Wage Range or Industry Benchmark: 82000 USD Yearly USD 82000.00 YEAR
Job Description & How to Apply Below
This job is with Fiserv, an inclusive employer and a member of my Gwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.

Calling all innovators - find your future '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  Title
Application Support Engineer - Sr  About your role:
Fiserv is looking for a talented Application 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
Salary Range
$82,000.00 - $ These pay ranges apply to employees in New Jersey and New York. 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.
This position is not eligible for an annual incentive opportunity and is also not eligible to earn commissions. 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,…
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