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Mainframes Developer Jobs in Michigan (NOW HIRING)

... mainframe tools. 5+ years in the development and maintenance of business applications utilizing the full SDLC * experienced in developing the conceptual architecture / design solution for projects

Mainframe Operator

Pontiac, MI · On-site

$48.75 - $62.50/hr

Mainframe Operator We are seeking a Mainframe Operator in Pontiac, MI for a 1+ Year Contract (Potential for Conversion). Job Summary: The Mainframe Operator functions as a Level 1 Incident Manager ...

Mainframe Operator

Pontiac, MI

$48.75 - $62.50/hr

Mainframe Operator * Functions as a Level 1 Incident Manager for critical incidents/events relating to various IT technology. * Quickly create, escalate, triage and track customer technology related ...

Mainframe Systems Engineer (z/OS)

Dearborn, MI · On-site

$159K - $188K/yr

Job#: 3049671 Mainframe Systems Engineer (z/OS) Position Description This role is responsible for building, maintaining, and optimizing enterprise IT infrastructure across on-premises, cloud, and ...

Mainframe Operator

Pontiac, MI · On-site

$48.75 - $62.50/hr

Mainframe Operator Location: Pontiac, Oakland County, MI Duration: Long Term Functions as a Level 1 Incident Manager for critical incidents/events relating to various IT technology. Quickly create ...

Mainframe Operator

Pontiac, MI · On-site

$48.75 - $62.50/hr

Mainframe Operator Location: Pontiac, Oakland County, MI Duration: Long Term Functions as a Level 1 Incident Manager for critical incidents/events relating to various IT technology. Quickly create ...

Mainframe Operator

Pontiac, MI · On-site

$48.75 - $62.50/hr

Mainframe Operator Functions as a Level 1 Incident Manager for critical incidents/events relating to various IT technology. Quickly create, escalate, triage and track customer technology related ...

Mainframe Operator - Onsite

Pontiac, MI · On-site

$48.75 - $62.50/hr

Mainframe Operator - Onsite Location :Pontiac,MI Length :Long term Restriction: w2 or c2c Description: *** Very long term project; initial PO for 1 year, expect to go for 4+ years Onsite - no remote

Mainframe Operator

Pontiac, MI · On-site

$48.75 - $62.50/hr

Our client seeks a Mainframe Operator. The candidate functions as a Level 1 Incident Manager for critical incidents/events relating to various IT technology. Tasks: * Quickly create, escalate, triage ...

The Mainframe Systems Engineer III candidate must have experience in one or more of the following disciplines: z/OS installation and customization, storage management, hardware configuration ...

Mainframe Operator

Pontiac, MI · On-site

$48.75 - $62.50/hr

Mainframe Operator Location: Oakland County, MI - Onsite Only Job Type: Contract (Continuous) Required Skills * IBM Mainframe - in-depth knowledge, 5+ years of experience * Microsoft Teams * What ...

Mainframe Operator - Onsite

Pontiac, MI · On-site

$48.75 - $62.50/hr

Mainframe Operator. Functions as a Level 1 Incident Manager for critical incidents/events relating to various IT technology. Quickly create, escalate, triage and track customer technology related ...

Showing results 41-60

Mainframes Developer information

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What are popular job titles related to Mainframes Developer jobs in Michigan?

For Mainframes Developer jobs in Michigan, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Michigan look for?

The top searched job categories for Mainframes Developer jobs in Michigan are:

What cities in Michigan are hiring for Mainframes Developer jobs?

Cities in Michigan with the most Mainframes Developer job openings:

Infographic showing various Mainframes Developer job openings in Michigan as of August 2026, with employment types broken down into 77% Full Time, 6% Part Time, 2% Temporary, 14% Contract, and 1% Nights. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Sr. Software Engineer Mainframe (Onsite)

Fremont, MI • On-site

Western & Southern Financial Group
Finance and Insurance • 1 - 5K employees

$45.25 - $58.25/hr

Full-time

Re-posted 15 days ago


Western & Southern Financial Group rating

9.0

Company rating: 9.0 out of 10

Based on 12 frontline employees who took The Breakroom Quiz


Job description

Overview
This role is critical for accelerating end-end life insurance processing and the company's industry leading position by bringing incremental software changes to market. The ideal candidate is an industry-proven, hands-on, well-rounded senior leader of software engineering by trade specializing in COBOL application development and mainframe modernization to run end-end life insurance policy administration.
Responsibilities
  • Individual contributor collaborating with a team of 7-10 engineers performing rapid agile software development to advance life insurance policy administration capabilities for the company.
  • Individually performs legacy policy administration COBOL application development to run all end-end life insurance processing (product config, billing, collections, policy servicing, claims). Collaborates with peers to integrate with upstream and downstream systems that enable end-end life insurance processing (upstream new business, self service and payment applications as well as downstream workflow, document generation, document fulfillment, general ledger, reinsurance, etc. systems).
  • Individually contributes to the execution of the roadmap for mainframe-based life insurance policy administration software modernization transformation (legacy policy administration applications support 500 operators handling 1 million calls per year to service 3.8 million policies). Specifically collaborates with and leads the evolution of batch-centric processing to real-time enablement to meet instant gratification demand of consumers and the industry.
  • Collaborates with all Gerber Life teams to advance the policy administration application architecture by evaluating, selecting and introducing new technologies that enable new capabilities (IMS and VSAM replacement with DB2, CICS replacement with web technologies, z/OS Connect for mainframe API introduction, IBM MQ and ESB introduction for effective integration with external systems, etc.).
  • The individual in this role grows the ADSD agile and analytical mindset and perpetuates the ADSD "can-do" spirit with existing employees and contractors.
  • Participates in aligning the organizational design with the changing technical landscape while selectively recruiting and hiring like-minded new engineers.
  • Individually manages product and sprint backlogs as needed to deliver software change.
  • Performs and owns 100% of assigned development and support work.
  • Responsible for estimating new work to meet demand for policy administration software change.
  • Satisfies all new work demand within funding based on those work estimates..
  • Leads teams by example using all people, process and technology advantages across the company.
  • Individually adheres to all designs, policies, procedures and standards for data security and regulatory compliance.
  • Performs other duties as assigned.
  • Complies with all policies and standards.

Qualifications
  • M.S. Computer Science, less than a Master's degree may be acceptable if accompanied by other technical training, relevant certifications, or extensive experience in positions that demonstrate required abilities and performance. - Required
  • Typically requires at least 7 years of software engineering change management experience with at least 5 years in a leadership setting with executive level reporting experience. - Required
  • Typically requires 5 years of custom DTC and agency end-end life insurance software change management and large-scale internal and public facing service engineering. - Required
  • Typically requires 3 years leading a team of COBOL policy administration software engineers utilizing both waterfall and agile Scrum delivery frameworks. - Required
  • Must have the ability to simplify large-scale system change related needs to minimize total cost of ownership (ensuing overhead).
  • Must have an agile mindset and insatiable passion for innovation, agile delivery methods and continuous integration.
  • Must be an autonomous team player able to lead effectively while solidifying working relationships at all levels of the organization.
  • Legacy Policy Admin: Mainframe CICS, APS, IMS, VSAM and JCL
  • New: Mainframe COBOL w/ MicroFocus, Web UI, DB2, zOS Connect, IBM MQ -
  • Familiarity with JavaScript or TypeScript (Angular), AJAX, HTML, CSS, Java, Spring and / or .NET, C# / C++
  • Docker, GIT, Maven, Jenkins, JIRA
  • Cloud exposure (Azure preferred)

Work Setting/Position Demands:
  • Works in an office setting and remains in a stationary position for long periods of time while working at a desk, on a computer or with other standard office equipment, or while in meetings.
  • Requires the ability to verbally communicate and exchange accurate information to customers and associates on a regular basis.
  • Requires visual acuity to read and interpret a variety of correspondence, procedures, reports and forms via paper and electronic documents, visual inspection involving small defects; small parts, and/or operation of machinery (including inspection); using measurement devices continuously. Visual acuity is required to determine accuracy, neatness, and thoroughness of work assigned.
  • Requires the ability to prepare written correspondence, reports and forms using prescribed formats and conforming to rules of punctuation, grammar, diction, and style on a regular basis.
  • Requires the ability to apply principles of logical thinking to define problems, collect data, establish facts, and draw valid conclusions
  • Performs substantial movement of wrists, hands, and fingers for continuous computer work.
  • Extended hours required during peak workloads or special projects/events.

Travel Requirements:
  • None

What Western & Southern Financial Group employees say

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