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Senior Mainframe Developer Jobs in Elgin, IL (NOW HIRING)

United Airlines

Quality Engineering Manager

Chicago, IL · On-site

$102.22 - $133.19/hr

Partner with application DevOps teams and build CICD pipeline for the sanity, integration and ... Research and resolve people and project issues; provide recommendations; elevate to senior ...

United Airlines, Inc.

Manager - Quality

Chicago, IL · On-site

Job overview and responsibilities As a Quality Engineer Manager of Information Technology at United ... Research and resolve people and project issues; provide recommendations; escalate to senior ...

IMC

Global Senior IT Auditor

Chicago, IL · On-site

$140K - $190K/yr

... mainframes and midrange operating systems, middleware, networks, software/source code, data ... engineers, traders, and business operations professionals are united by our uniquely collaborative ...

IMC

Global Senior IT Auditor

Chicago, IL · On-site

$140K - $190K/yr

... mainframes and midrange operating systems, middleware, networks, software/source code, data ... engineers, traders, and business operations professionals are united by our uniquely collaborative ...

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Senior Mainframe Developer information

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$38

$56

$65

How much do senior mainframe developer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for senior mainframe developer in Elgin, IL is $56.99, according to ZipRecruiter salary data. Most workers in this role earn between $53.46 and $62.26 per hour, depending on experience, location, and employer.

What is a senior mainframe developer?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.

What are some common challenges faced by senior mainframe developers when integrating legacy systems with modern technologies?

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What are the key skills and qualifications needed to thrive as a senior mainframe developer, and why are they important?

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

What are popular job titles related to Senior Mainframe Developer jobs in Elgin, IL?

For Senior Mainframe Developer jobs in Elgin, IL, the most frequently searched job titles are:

What job categories do people searching Senior Mainframe Developer jobs in Elgin, IL look for?

The top searched job categories for Senior Mainframe Developer jobs in Elgin, IL are:

What cities near Elgin, IL are hiring for Senior Mainframe Developer jobs?

Cities near Elgin, IL with the most Senior Mainframe Developer job openings:

Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Elgin, IL as of August 2026, with employment types broken down into 79% Full Time, 8% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $118,538 per year, or $57 per hour.

Sr. HRMS Technical Project Lead

Atria Group LLC

Chicago, IL • On-site

Full-time

Re-posted 9 days ago

Job description

Company Description

We specialize in Staffing, Consulting, Software Development, and Training along with IT services to small to medium size companies. AG's primary objective is to help companies maximize their IT resources and meet the ever-changing IT needs and challenges.

In addition, AG offers enterprise resource planning and enterprise application integration, supply-chain management, e-commerce solutions, and B2B public exchanges and B2B process integration solutions. Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services to various clients - including governmental agencies and private companies - throughout the United States and India.

We provide these services in multiple computing environments and use technologies such as client/server architecture, object-oriented programming languages and tools, distributed database management systems, state-of-the-art networking, and communications infrastructures. Our honest and realistic approach to recruiting dictates that AG does not entice or lure engineers from their employers. We represent only high caliber technical professionals who have committed to making a change required by career.

Job Description

MUST HAVE:

  • Oracle R12 EBS expertise

             - Extensive experience with the HR module

  • 1+ years of Oracle development work along with a programming background, specifically with:

                - data conversion

                - application extension mapping

                - data cleansing

                - business process reengineering

                - configuration settings

  • Strong technical development expertise in SQL, PL/SQL, Interfaces, Workflows, Forms, OAF, Reports & other technologies in the Oracle landscape
  • Must be able to anticipate and proactively handle issues
  • Adherence to SDLC standards
  • Must possess strong communication skills, both verbal and written, as well as exceptional analytical and time management capabilities
  • 1+ years of experience with interface development using supported API and/or open interfaces
  • Ability to work without close supervision, keeping focused on short and long-term objectives
  • Ability to successfully facilitate collaboration across multiple functions, IT teams, departments and levels
  • Exhibit unwavering honesty and integrity

NICE TO HAVE:

  • Experience in Oracle HRMS R12.1.3
  • Shell scripting
  • Public Sector experience
  • Mainframe applications
Additional Information
  1. Good comm skills are a big priority
  2. Duration: 3+ Months 

  3. LOCALS PREFERRED 

  4. Interview: Phone+F2F

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