Mainframe Software Engineer

Hybrid On-Site Livonia MI - 4 Days

12+ Month Contract

$50-65/HR

Mainframe Software Engineer (FCSD / Service Quality)

Position Overview

We are seeking an experienced Mainframe Software Engineer to join the FCSD/Service Quality team. This role serves as the primary developer supporting the Recall Suite of Applications and Software FSA products, ensuring ongoing operational excellence while driving modernization initiatives.

The ideal candidate will support production operations, provide on-call support, develop new features, resolve defects, and partner with business and technology stakeholders to advance the migration of applications to the Google Cloud Platform (GCP) .

Key Responsibilities

• Serve as a core member of the FCSDTech/Service Quality team supporting Recall and Software FSA applications.
• Provide production support, including on-call rotation and incident resolution.
• Develop and implement mandatory features to support compliance, regulatory, and Software FSA requirements.
• Partner with Product Owners, Product Managers, and engineering teams to deliver business-critical functionality.
• Manage and prioritize product backlog items to support ongoing enhancements and operational needs.
• Analyze, troubleshoot, and resolve application defects while supporting backlog prioritization efforts.
• Design, develop, test, and maintain mainframe applications and integrations.
• Participate in modernization initiatives, including cloud migration and system integration efforts.
• Collaborate with internal teams, vendors, and business stakeholders to ensure successful product delivery.
• Conduct unit and integration testing to ensure application quality and reliability.
• Perform application support activities including security reviews, audit support, system maintenance, and operational health monitoring.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).
• 7+ years of experience in mainframe application development, design, analysis, and support.
• Strong hands-on experience with:
  • COBOL (IMS)
  • JCL
  • CA7
  • DB2
  • COBOL Stored Procedures
  • Batch and real-time transaction processing
• 2+ years of experience implementing and supporting:
  • z/OS Connect
  • SFTP
  • SOAP APIs
  • REST APIs
  • System-to-system integrations and data exchange solutions
• Experience designing, developing, and maintaining Mainframe COBOL and JCL applications.
• Experience with source code management tools such as Endeavor and GitHub.
• Strong troubleshooting and problem-solving skills with the ability to quickly resolve production incidents.
• Experience supporting enterprise applications, including maintenance, security reviews, and audit compliance activities.
• Excellent verbal and written communication skills with the ability to work effectively across global teams.
• Ability to manage multiple priorities and work independently in a fast-paced environment.
• Experience with unit testing and integration testing methodologies.

Preferred Qualifications

• Experience with Google Cloud Platform (GCP).
• Experience with Google BigQuery.
• Experience supporting modernization and cloud migration initiatives.
• Familiarity with Agile product delivery processes and backlog management.

Required Skills

• Mainframe Systems Development
• COBOL (IMS)
• JCL
• CA7
• DB2
• z/OS Connect
• SOAP/REST APIs
• Production Support
• Application Modernization

Experience Level

• 6+ years of IT experience
• 4+ years of application development experience

Education

• Bachelor's Degree required

Why Join This Team?

This is an opportunity to work on critical enterprise applications that support customer and business operations while contributing to a strategic modernization effort leveraging cloud technologies and modern integration patterns. You'll play a key role in balancing operational excellence with long-term digital transformation initiatives.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or View phone number on click.appcast.io.


Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

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