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Mainframe Assembler Jobs in Ohio (NOW HIRING)

Mainframe CICS Systems Engineer

Columbus, OH · On-site

$47.25 - $60.75/hr

The Mainframe CICS Systems Programmer/Engineer is responsible for all phases of CICS engineering ... Assembler, COBOL and REXX coding and knowledge of CICS Exits Web application support in a CICS TS ...

FOCUS - This system is written primarily in Mainframe FOCUS * JCL * REXX * COBOL * Assembler * MS Office - including the following: * Outlook * Teams * Word * EXCEL * Personal Qualifications * A ...

FOCUS - This system is written primarily in Mainframe FOCUS * JCL * REXX * COBOL * Assembler * MS Office - including the following: * Outlook * Teams * Word * EXCEL * Personal Qualifications * A ...

FOCUS - This system is written primarily in Mainframe FOCUS * JCL * REXX * COBOL * Assembler * MS Office - including the following: * Outlook * Teams * Word * EXCEL * Personal Qualifications * A ...

FOCUS - This system is written primarily in Mainframe FOCUS * JCL * REXX * COBOL * Assembler * MS Office - including the following: * Outlook * Teams * Word * EXCEL * Personal Qualifications * A ...

Packaging Operator 2

Miamisburg, OH · On-site

$22 - $37/hr

Assemble, disassemble semiautomatic powder or liquid dispensing equipment, and replace worn or disposable parts as necessary * Check and update mainframe systems and SAP a * Restock all materials ...

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Mainframe Assembler information

See Ohio salary details

$9

$50

$68

How much do mainframe assembler jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for mainframe assembler in Ohio is $50.75, according to ZipRecruiter salary data. Most workers in this role earn between $44.81 and $57.60 per hour, depending on experience, location, and employer.

What is a mainframe assembler?

A Mainframe Assembler job involves programming in assembly language on IBM mainframe systems. Assemblers write low-level code to optimize system performance, handle critical processes, and interact with hardware directly. These professionals work with legacy systems, maintaining and enhancing core applications used in industries like banking, insurance, and government. Strong knowledge of IBM z/OS, JCL, and debugging tools is essential.

What are the typical daily responsibilities of a mainframe assembler?

Mainframe Assemblers are typically responsible for writing, testing, and maintaining assembler language programs that run on enterprise mainframe systems. Their day-to-day tasks often include analyzing system requirements, coding program logic, debugging complex routines, and optimizing performance for high-volume processing. They frequently collaborate with systems analysts, application developers, and operations teams to ensure seamless integration and reliability of mainframe applications. Staying current with system updates and responding quickly to troubleshooting requests is also an important part of the job.

What are the key skills and qualifications needed to thrive as a mainframe assembler?

To thrive as a Mainframe Assembler, you need a strong background in assembly language programming, mainframe operations, and a solid understanding of systems architecture—often backed by a degree in computer science or related field. Experience with IBM z/OS, JCL (Job Control Language), and tools such as ISPF, along with certifications like IBM Certified System Programmer, is highly beneficial. Attention to detail, problem-solving abilities, and effective communication skills help distinguish top performers in this position. These skills are crucial to ensure accurate and efficient program development, system stability, and smooth collaboration within complex mainframe environments.

What job categories do people searching Mainframe Assembler jobs in Ohio look for?

The top searched job categories for Mainframe Assembler jobs in Ohio are:

What cities in Ohio are hiring for Mainframe Assembler jobs?

Cities in Ohio with the most Mainframe Assembler job openings:

Infographic showing various Mainframe Assembler job openings in Ohio as of August 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 100% In-person job distribution, with an average salary of $105,552 per year, or $50.7 per hour.

Mainframe Lead with PL1

Stem Xpert

Cincinnati, OH

Contractor

Re-posted 19 days ago


Job description

Company Description

TekWissen LLC.
Providing Staffing services to IT clients in US.
Responsible for gathering requirements from the client and closing them successfully.
Involved in complete recruitment process (sourcing, short listing, HR screening/interview, interview arrangements, salary negotiations, offer initiation, post-offer follow ups.)
Conducts initial interviews by phone to determine experience and skill level.
Ensure that resume appropriately reflects candidate's experience and requirement.
Arranges for client interviews and possible offer of employment.
Negotiates salaries with candidates and successfully convince them to join.
Ensure candidate is available and ready to take up the position.
Responsible for recruiting IT professional across the US through internet job portals - (Monster.com,Tech-Fech.com and Dice.com), direct phone sourcing, networking (LinkedIn), vendors and referrals.
Sourcing & screening the profiles for different requirements in a day.
Activities included but not limited to developing and building channel / vendor relations, understanding existing and pending client needs and closing requisitions

Job Description
  • 3+ Years Experience with IBM VSE Mainframes, IBM Assembler and PL/1
  • Experience with Programming Languages CICS User Interface,
  • Good communication/coordination, inter-personal and client management skills.
  • Optional Skills Connect Direct, BIM/Edit for Source Management, MS Office Suite
Qualifications


Required Skill Set-

  • Off Shore/On Shore Coordination Experience - Yes/No?
  • Good communication/coordination   - Yes/No?
  • Good inter-personal and client management skills.  - Yes/No?
  • IBM VSE Mainframes  - Yes/No?
  • CICS User Interface  - Yes/No?


Optional Skills-

  • IBM Assembler and PL/1 Programming Languages  - Yes/No?
  • Connect Direct - Yes/No?
  • BIM/Edit for Source Management - Yes/No?
  • MS Office Suite.  - Yes/No?
Additional Information

stem xpert logo

About stem xpert

Sourced by ZipRecruiter

STEM Xpert, based in Ann Arbor, MI, US, is a leading company in the Science, Technology, Engineering, and Mathematics (STEM) education industry. Since their establishment, they have made an indelible mark by providing innovative services and products designed to enhance STEM learning. Their service portfolio includes comprehensive educational programs, customized learning modules and interactive STEM kits. Driven by a passion for nurturing young minds, the company's mission is to bring about an educational renaissance in the STEM field, making learning not just theoretical but practical and fun. One notable achievement for STEM Xpert has been its success in reaching a broad spectrum of learners, from school-age to adults, contributing significantly towards empowering the community's technological and scientific literacy.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Ann Arbor, MI, US

Year founded

2012