Application Support Specialist Jobs in Illinois
Application Support Specialist jobs in Illinois concentrate heavily in financial services, healthcare IT, and enterprise software, with Chicago anchoring the largest share of openings and suburban corridors like Naperville and Schaumburg adding significant volume. Major employers with lasting Illinois footprints include Aon, Baxter International, and Allstate, all of which maintain large technology operations that depend on application support teams. Demand runs from entry-level help desk adjacent roles through senior positions supporting ERP systems, cloud platforms, and proprietary clinical or financial applications. Scan the live roles below and apply to whichever ones fit.
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About Marex
Marex has unique access across markets with significant share globally both on and off exchange. The depth of knowledge amongst its teams and divisions provides its customers with clear advantage, and its technology-led service provides access to all major exchanges, order-flow management via screen, voice and DMA, plus award-winning data, insights and analytics.
Role Summary
The Application Support team is responsible for providing technical support for all front office and post-trade applications including trade capture, market data, settlement and clearing systems and their associated client applications, as well as overnight risk calculation systems and the business systems used by control and support departments. The team handles all support requests, incidents, problems, and business continuity activities, to ensure the highest quality delivery of services to end users and clients.
The Application Support Analyst is responsible for taking ownership of issues and providing procedural and technical support to various teams and internal/external stakeholders. In addition to driving resolution of day-to-day issues, managing incidents and outages to resolution, this role requires a close partnership with the rest of the infrastructure team, the service desk and the wider IT group.
Responsibilities
- Provide support for all trading and back-office platforms offered by Marex to both internal and external client base
- Support business users offering second and third line support
- Create and deploy PowerShell scripts providing a range of business functions
- Manage new system analysis and implementation
- Provide incident management per ITIL standards
- Liaison between technology department and business groups to communicate system changes
- Manage process and trading system documentation; produce and regularly maintain to a high standard
- Ensure active tasks retain focus through workflow and prioritization awareness
- Manage vendor system upgrades and implementation
- Manage exchange relationships and project manage mandatory upgrades
- Manage technical client onboarding
- Complete exchange reporting and compliance audits
- Provide consultative sales support
- Manage client technical requirements within Marex technology department
- Complete monthly transactional and volume reporting across all systems
- Adhere to the operational risk framework for your role ensuring that all regulatory or company determined parameters are complied with
- Role model for demonstrating highest level standards of integrity and conduct and reflecting Company Value
- At all times complying with the FCA's Code of Conduct Marex's Code of Conduct
- To ensure that you are fully aware of and adhere to internal policies that relate to you, your role or any other activities for which you have any level of responsibility
- To report any breaches of policy to Compliance and/ or your supervisor as required
- To escalate risk events immediately
- To provide input to risk management processes, as required.
The Company may require you to carry out other duties from time to time.
Competencies, Skills and Experience
Competencies
- A collaborative team player, approachable, self-efficient and influences a positive work environment
- Demonstrates curiosity
- Resilient in a challenging, fast-paced environment
- Excels at building relationships, networking and influencing others
- Strategic collaborator with insight and agility, able to anticipate future challenges, ensuring operational effectiveness
Skills and Experience
- Bachelor's degree in any relevant field
- Solid background in Windows, Linux/Unix OS, including SQL and Oracle database architecture
- Must be able to work under demanding conditions with a calm demeanor
- Experience gained in a financial services background, ideally banking
- Ability to work as part of a team in an environment with changing expectations
- Proven ability to show a proactiveness in picking up issues and improving existing processes
- Process-driven and systematic mindset
- Experience with ITIL and change management processes
- Excellent documentation, communication, and organizational skills
- Ability to build strong relationships with Application Development teams and business sponsors
- General front-to-back knowledge of the flow for trading/clearing/operational process in settlement of futures and OTC Energy trade
- Experience in exchange and vendor management with a view to project manage exchange/system critical upgrades
- Knowledge of server-side infrastructure and admin tools to include the following systems: TT, Stellar, Deltix, ATEO, IBM MQ/Algorithmics and ION Suite
- Ability to work shifts patterns (if required)
- Knowledge of Fix Messaging protocol, including support experience
- Knowledge of market connectivity protocols for key global derivative, commodity, cash and equity markets
- Experience in technical onboarding of new APIs and systems
- Prior experience in a consultative sales support role, liaising directly with clients in a technical capacity
- Knowledge and expertise in high frequency trading platforms
- Excellent verbal and written communication skills
- Desirable - Experience working in a regulated environment and knowledge of the risk and compliance requirements associated with this
Company Values
Acting as a role model for the values of the Company:
Respect - Clients are at the heart of our business, with superior execution and superb client service the foundation of the firm. We respect our clients and always treat them fairly.
Integrity - Doing business the right way is the only way. We hold ourselves to a high ethical standard in everything we do – our clients expect this and we demand it of ourselves.
Collaborative - We work in teams - open and direct communication and the willingness to work hard and collaboratively are the basis for effective teamwork. Working well with others is necessary for us to succeed at what we do.
Developing our People - Our people are the basis of our competitive advantage. We look to “grow our own” and make Marex the place ambitious, hardworking, talented people choose to build their careers.
Adaptable and Nimble - Our size and flexibility is an advantage. We are big enough to support our client's various needs, and adaptable and nimble enough to respond quickly to changing conditions or requirements. A non-bureaucratic, but well controlled environment fosters initiative as well as employee satisfaction.
Conduct Rules
You must:
- Act with integrity
- Act with due skill, care and diligence
- Be open and cooperative with the FCA, the PRA and other regulators
- Pay due regard to the interests of customers and treat them fairly
- Observe proper standard of market conductAct to deliver good outcomes for retail customers
Marex is fully committed to being an inclusive employer and providing an inclusive and accessible recruitment process for all. We will provide reasonable adjustments to remove any disadvantage to you being considered for this role. We value the differences that a diverse workforce brings to the company. We welcome applications from candidates returning to the workforce. Also, Marex is committed to avoiding circumstances in which the appearance or possibility of conflicts of interest may exist within the hiring process.
If you would like to receive any information in a different way or would like us to do anything differently to help you, please include it in your application.
See All 17 Application Support Specialist Jobs in Illinois
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Find JobsApplication Support Specialist Jobs by City in Illinois
Where Illinois roles are concentrated, by current openings.
Application Support Specialist Job Market in Illinois
A snapshot from current Illinois openings, updated as new roles post.
Who's Hiring


What Illinois Employers Look For
The qualifications that appear most often in application support specialist jobs across Illinois.
- Bachelor's degree in information technology, computer science, or a related field
- Hands-on experience supporting enterprise applications such as SAP, Oracle, or Salesforce
- Proficiency in SQL for querying databases and troubleshooting data-related application issues
- Familiarity with ITIL frameworks and formal incident or change management processes
- Strong written and verbal communication skills for working with end users and development teams
- Experience with ticketing platforms such as ServiceNow, Jira, or Remedy
Application Support Specialist Jobs in Illinois: Frequently Asked Questions
How do you become an application support specialist in Illinois?
There is no state-issued license required to work as an application support specialist in Illinois. Most employers expect a bachelor's degree in information technology, computer science, or a related field, paired with hands-on experience in the specific platforms the role supports. Vendor certifications from Microsoft, Salesforce, or SAP strengthen a candidacy significantly. Illinois's large concentration of financial services and healthcare employers means familiarity with regulated application environments is a recurring advantage.
Which companies hire application support specialists in Illinois?
Illinois application support specialist roles are posted by Computer World Services, C3EL, and VIVA and others right now, based on current listings on Migrate Mate as of November 2026. Illinois's mix of Fortune 500 headquarters, regional health systems, and insurance carriers creates consistent demand for application support talent at multiple experience levels.
Which Illinois cities have the most application support specialist jobs?
Chicago, Scott AFB, and North Chicago lead Illinois for application support specialist openings right now. Chicago dominates because it hosts the corporate headquarters and major technology centers of the state's largest financial, insurance, and healthcare employers, while suburban hubs like Naperville and Schaumburg contribute volume through the technology campuses and regional offices concentrated along the I-88 corridor.
Are there remote application support specialist jobs in Illinois?
Yes, and more than most fields. About 75% of application support specialist openings tied to Illinois are remote or hybrid as of November 2026, reflecting how much of the work involves resolving tickets, monitoring systems, and coordinating with development teams through digital tools rather than on-site hardware. Roles tied to cloud-hosted platforms and SaaS applications tend to be the most remote-accessible.
How can I get hired as an application support specialist in Illinois with little or no experience?
The most realistic entry path is a help desk or IT support associate role, which large Illinois employers in healthcare and financial services regularly post as structured entry points. Organizations like Northwestern Medicine, Advocate Health Care, and major Chicago-area insurance carriers run formal associate IT programs that accept candidates without deep application-specific experience. Building proficiency in one widely used platform, such as Salesforce or ServiceNow, and earning the associated entry-level certification gives candidates a concrete differentiator when competing for those roles.
Where can I find and apply to application support specialist jobs in Illinois?
You can find and apply to application support specialist jobs in Illinois on Migrate Mate, which lists current Illinois openings in one place. Search the listings, find the roles that match your background and preferred location, and apply directly to the ones that fit.
See All 17 Application Support Specialist Jobs in Illinois
Find roles in Illinois that match your experience and apply in just a few clicks.
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