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Senior Ibm Assembler Programmer Jobs (NOW HIRING)

Mainframe Assembler

Wilmington, DE · On-site

$45 - $55/hr

The ideal candidate will have strong expertise in IBM Assembler programming, z/OS, and the Software Development Life Cycle (SDLC). This role involves developing, maintaining, and optimizing ...

Mainframe Assembler Developer

Port William, OH · On-site

$43.50 - $56/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Reesville, OH

$44.50 - $57/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Lees Creek, OH · On-site

$44.50 - $57.25/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Sabina, OH · On-site

$47.25 - $60.75/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Highland, OH · On-site

$45.50 - $58.50/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Cuba, OH · On-site

$44 - $56.50/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Martinsville, OH · On-site

$44 - $56.50/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Waynesville, OH · On-site

$44 - $56.50/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Bowersville, OH · On-site

$44 - $56.75/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

New Vienna, OH · On-site

$44.25 - $56.75/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Midland, OH · On-site

$44 - $56.50/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Wilmington, DE

$47.50 - $61.25/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Jamestown, OH · On-site

$43.75 - $56.25/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Blanchester, OH · On-site

$43.50 - $56/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler Developer

Clarksville, OH · On-site

$43.25 - $55.50/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

IBM Assembler (HLASM) Programming * IBM z/OS * Mainframe Application Development * SDLC * Debugging & Troubleshooting * Mainframe Performance Tuning * Technical Documentation * Mainframe System ...

IBM Mainframe Assembler Programmer

Omaha, NE · On-site

$46.75 - $60.25/hr

IBM Mainframe Assembler Programmer (with experience on Assembler, COBOL, JCL, VSAM, DB2, CICS, ENDEVOR, FILEAID, Debugging tools like XPEDITER/INTERTEST) Job Location : Omaha, Nebraska (Omaha is a ...

Mainframe Assembler

Wilmington, DE · On-site

$60 - $65/hr

... IBM Assembler language. They should also be familiar with the entire Software Development Life ... They must keep themselves updated with the latest mainframe technologies and assembler programming ...

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How much do senior ibm assembler programmer jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for senior ibm assembler programmer in the United States is $52.28, according to ZipRecruiter salary data. Most workers in this role earn between $43.99 and $62.50 per hour, depending on experience, location, and employer.
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Infographic showing various Senior Ibm Assembler Programmer job openings in the United States as of August 2026, with employment types broken down into 46% Full Time, 49% Part Time, and 5% Contract. Highlights an 95% Physical, 2% Hybrid, and 3% Remote job distribution, with an average salary of $108,736 per year, or $52.3 per hour.

Mainframe Assembler

Centstone

Wilmington, DE • On-site

$45 - $55/hr

Contractor

Posted 15 days ago


Job description

Mainframe Assembler

Location: Wilmington, Delaware

Pay Rate: $45–$55/hr

Contract: Long-Term Contract

Schedule: Onsite | 5 Days/Week

Work Model: Onsite (5 Days/Week)

Employment Type: Contract
 

Experience: 10+ Years Required

About the Role

We are seeking an experienced Mainframe Assembler Developer for a contract opportunity in Wilmington, Delaware. The ideal candidate will have strong expertise in IBM Assembler programming, z/OS, and the Software Development Life Cycle (SDLC). This role involves developing, maintaining, and optimizing enterprise mainframe applications while ensuring system reliability and performance.

Responsibilities

• Design, develop, test, and maintain applications using IBM Assembler.
• Analyze business and technical requirements to deliver efficient mainframe solutions.
• Perform debugging, troubleshooting, and performance optimization of mainframe applications.
• Create and maintain technical documentation, coding standards, and program specifications.
• Collaborate with architects, analysts, and development teams throughout the SDLC.

Requirements

• 10+ years of Mainframe Assembler development experience required.
• Strong expertise in IBM Assembler programming and z/OS operating systems.
• Experience with application design, coding, testing, debugging, and production support.
• Solid understanding of the Software Development Life Cycle (SDLC).
• Excellent analytical, troubleshooting, communication, and problem-solving skills.

Position Highlights

Role: Mainframe Assembler Developer
Employment Type: Contract
• • Industry: Enterprise Technology
Technologies: IBM Assembler, z/OS, Mainframe, SDLC, Application Support

Join a collaborative technology team where your mainframe expertise will support the development and maintenance of high-performance enterprise systems while contributing to reliable, business-critical applications.


Centstone logo

About Centstone

Sourced by ZipRecruiter

In the dynamic landscape of today’s business environment, flexibility is key. At Centstone, we understand the unique demands of your industry and offer tailored Contract Hiring solutions to empower your organization with the right talent when you need it most.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Hazlet, NJ, US

Year founded

2022

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