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Senior Application Support Jobs in Wisconsin (NOW HIRING)

HedgeServ Corporation

WI · On-site

$100 - $125/hr

Senior Application Support Engineer Location: Hybrid in Dallas, TX or Raleigh, NC. Visa sponsorship not offered. The Senior Application Support Engineer is responsible for supporting workflows across ...

AE Business Solutions

Senior Java Developer

Milwaukee, WI · Hybrid

$56.50 - $72/hr

Senior Application Developer (Java) -- Hybrid AEBS is helping a client find a Senior Application ... Experience with Hibernate/JPA, IBM MQ, SQL, JUnit, Git, and enterprise application support is ...

AE Business Solutions

Senior Java Developer

Milwaukee, WI · On-site

$56.50 - $72/hr

Senior Application Developer (Java) - Hybrid AEBS is helping a client find a Senior Application ... Experience with Hibernate/JPA, IBM MQ, SQL, JUnit, Git, and enterprise application support is ...

Unity Enterprise

WI · On-site

$200 - $250/hr

Senior Application Security EngineerSkip to main content#Senior Application Security Engineer page ... We offer a wide range of benefits designed to support well-being and work-life balance. Please note:

Danaher

Application Support Scientist

Madison, WI · On-site

... the Sr Manager, Application Support and is part of the North America Applications team located in Marlborough, MA or Golden, CO and will be an on-site role. In this role, you will have the ...

R1 RCM Holdco Inc.

WI · On-site

$100 - $125/hr

Collaborate with senior software engineers and other team members to design, implement, and ... of the job application process, please contact us at 312-496-7709 for assistance. Visit us on ...

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Senior Application Support information

What is a senior application support?

Senior Application Support specialists are experienced IT professionals responsible for ensuring the smooth running, maintenance, and troubleshooting of business applications. They handle complex technical issues, coordinate with development teams for bug fixes, and provide guidance to junior support staff. Their role often includes monitoring system performance, managing user requests, and implementing upgrades or patches to keep applications secure and efficient. Senior Application Support specialists also play a key role in incident management and may assist in creating documentation or training materials for end-users.

What are the key skills and qualifications needed to thrive as a senior application support?

To thrive as a Senior Application Support specialist, you need deep knowledge of application troubleshooting, incident management, and a background in computer science or IT. Familiarity with ticketing systems (like ServiceNow), SQL databases, scripting languages, and relevant ITIL certifications are typically required. Strong analytical thinking, effective communication, and the ability to remain calm under pressure distinguish top performers in this role. These skills ensure timely resolution of complex issues, minimize downtime, and support seamless business operations.

What are some common challenges faced by senior application support, and how can they be addressed?

Senior Application Support professionals often encounter challenges such as managing high-pressure situations during critical system outages, balancing multiple priorities, and communicating effectively with both technical teams and end-users. Addressing these challenges requires strong problem-solving skills, the ability to remain calm under pressure, and proactive collaboration with software developers, QA teams, and business stakeholders. Establishing clear documentation and robust incident response procedures can also help streamline issue resolution and minimize downtime.

What is the difference between Senior Application Support vs Application Support Specialist?

AspectSenior Application SupportApplication Support Specialist
Required CredentialsTypically requires 3+ years experience, relevant certifications (e.g., ITIL, CompTIA)Entry to mid-level experience, similar certifications often preferred
Work EnvironmentFast-paced, often involves troubleshooting complex issues, may lead small teamsSupport-focused, handling user queries, routine troubleshooting
Employer & Industry UsageCommon in IT, finance, healthcare sectorsWidespread across industries with IT support needs
Search & Comparison IntentFocuses on experienced roles, leadership, complex supportEntry to mid-level support roles, user-focused

Senior Application Support roles typically require more experience, advanced certifications, and involve handling complex issues or leading support teams. Application Support Specialists are often entry to mid-level roles focused on routine troubleshooting and user assistance. Both roles are vital in IT support but differ mainly in experience level and scope of responsibilities.

What are the most commonly searched types of Application Support jobs in Wisconsin?

The most popular types of Application Support jobs in Wisconsin are:

What are popular job titles related to Senior Application Support jobs in Wisconsin?

For Senior Application Support jobs in Wisconsin, the most frequently searched job titles are:

What job categories do people searching Senior Application Support jobs in Wisconsin look for?

The top searched job categories for Senior Application Support jobs in Wisconsin are:

What cities in Wisconsin are hiring for Senior Application Support jobs?

Cities in Wisconsin with the most Senior Application Support job openings:

Senior Application Support jobs near you
Infographic showing various Senior Application Support job openings in Wisconsin as of June 2026, with employment types broken down into 100% Full Time. Highlights an 45% In-person, 28% Hybrid, and 27% Remote job distribution.

Sr. Application Support Engineer

WI • On-site

HedgeServ Corporation
Finance and Insurance • 501 - 1,000 employees
Learn more about HedgeServ Corporationexternal

$100 - $125/hr

Other

Posted 7 days ago

Job description

Senior Application Support Engineer

Location: Hybrid in Dallas, TX or Raleigh, NC. Visa sponsorship not offered.

The Senior Application Support Engineer is responsible for supporting workflows across front-, middle-, and back-office teams. The engineer is an SME for FIX connectivity, trade flows, and core application platforms. They triage, analyze and resolve production issues, collaborating with end-users, brokers, operations, development, and infrastructure teams. A deep understanding of FIX protocol, trading systems, and financial products is essential.

Role Responsibilities
  • Incident manager during critical production events, ensuring timely communication, documentation and resolution.
  • Coordinate with counterparties, brokers, traders, portfolio managers, risk teams and general end-users.
  • Support enterprise components and proprietary applications.
  • Support applications running in an AWS cloud environment.
  • Monitor, troubleshoot, and resolve issues across FIX sessions, order routing, trade capture, downstream processing and real-time components.
  • Perform real-time analysis of latency-related events.
  • Address user tickets on entitlement, configuration changes, and workflow enhancements.
  • Analyze recurring issues to identify root causes and opportunities for automation and process improvement.
  • Partner with development to reproduce, elevate, and drive fixes for bugs and defects.
  • Analyze infrastructure issues and requests, propose solutions, and collaborate with IT teams.
  • Serve as an SME and escalation point for support engineers and cross-functional teams.
  • Participate in 24/7 Follow‑the‑Sun support model, including holiday coverage and weekend rotation.
Pre‑Requisite Knowledge, Skills, and Experience
  • Bachelor’s Degree with a technical focus or equivalent certifications.
  • Minimum 10 years of application support experience in FinTech.
  • Minimum 5 years supporting applications running in AWS and Kubernetes.
  • Strong proficiency with Linux, shell scripting, SQL, Python and log analysis.
  • Experience with ELK and APM or an alternative log aggregation and analytics tool.
  • Expert understanding of FIX Protocol (4.x), session management, and trade lifecycle.
  • Experience supporting FIX engine with Electronic Trading, Order Management System and straight-through processing (STP).
  • Experience supporting QuickFIX implementation.
  • Experience in supporting multi-asset class OMS order and trade flows such as Charles River, Enfusion, Blackrock Aladdin or Bloomberg EMSX.
  • Experience in hedge fund, asset management, or electronic trading environments.
  • Strong analytical and problem-solving skills and the ability to break an issue into its constituent parts and understand how these parts relate to each other.
Benefits
  • Remote and hybrid working arrangements.
  • Fully paid comprehensive health and well-being benefits.
  • Competitive salary and benefits packages with ongoing learning and development opportunities.
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