Wilmington, DE · On-site
$45 - $55/hr
Mainframe Assembler Location: Wilmington, Delaware Pay Rate: $45-$55/hr Contract: Long-Term ... The ideal candidate will have strong expertise in IBM Assembler programming, z/OS, and the Software ...
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Wilmington, DE · On-site
$45 - $55/hr
Mainframe Assembler Location: Wilmington, Delaware Pay Rate: $45-$55/hr Contract: Long-Term ... The ideal candidate will have strong expertise in IBM Assembler programming, z/OS, and the Software ...
Addison, TX · On-site
$65/hr
I have an opening for an Mainframe Assembler Developer - Addison, TX or Charlotte, NC - Hybrid Mainframe Assembler Developer Location: Addison, TX or Charlotte, NC - Hybrid Employment: W2 only ...
New
Addison, TX · On-site
$65/hr
I have an opening for an Mainframe Assembler Developer - Addison, TX or Charlotte, NC - Hybrid Mainframe Assembler Developer Location: Addison, TX or Charlotte, NC - Hybrid Employment: W2 only ...
New
Wilmington, DE · On-site
$47.50 - $61.25/hr
They must keep themselves updated with the latest mainframe technologies and assembler programming techniques to ensure the continuous functionality and reliability of mainframe systems.
Wilmington, DE · On-site
$47.50 - $61.25/hr
They must keep themselves updated with the latest mainframe technologies and assembler programming techniques to ensure the continuous functionality and reliability of mainframe systems.
Addison, TX · On-site
$47.50 - $61/hr
Mainframe Assembler Developer Introduction: As a Mainframe Assembler Developer, you will be responsible for developing and supporting IBM Mainframe applications. This role will require hands-on ...
New
Addison, TX · On-site
$47.50 - $61/hr
Mainframe Assembler Developer Introduction: As a Mainframe Assembler Developer, you will be responsible for developing and supporting IBM Mainframe applications. This role will require hands-on ...
New
Wilmington, DE · On-site
$60/hr
They must keep themselves updated with the latest mainframe technologies and assembler programming techniques to ensure the continuous functionality and reliability of mainframe systems. Donato ...
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Wilmington, DE · On-site
$60/hr
They must keep themselves updated with the latest mainframe technologies and assembler programming techniques to ensure the continuous functionality and reliability of mainframe systems. Donato ...
Addison, TX · On-site
$43 - $55.25/hr
Role: Mainframe Assembler Developer Location: Addison, TX or Charlotte, NC- Hybrid Employment type: W2 only Duration: Long-term contract Interview : Video + In-person Required Qualifications * 8+ ...
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Addison, TX · On-site
$43 - $55.25/hr
Role: Mainframe Assembler Developer Location: Addison, TX or Charlotte, NC- Hybrid Employment type: W2 only Duration: Long-term contract Interview : Video + In-person Required Qualifications * 8+ ...
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 ...
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 ...
Omaha, NE · On-site
$46.75 - $60.25/hr
Mainframe Assembler Developer - Credit Card Authorization Location: Onsite - Omaha, NC Long-Term Contract (W2/C2C) Locals - Preferred. We are seeking a highly skilled Mainframe Assembler Developer ...
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Omaha, NE · On-site
$46.75 - $60.25/hr
Mainframe Assembler Developer - Credit Card Authorization Location: Onsite - Omaha, NC Long-Term Contract (W2/C2C) Locals - Preferred. We are seeking a highly skilled Mainframe Assembler Developer ...
Alpharetta, GA · On-site
$47.75 - $61.50/hr
Mainframe Assembler Location: Alpharetta, GA/Omaha, NE (Locals Only) Relevant Experience: 12+ Years ... Lead developer in associates and Issuer mandates and enhancements. * Should involve in code reviews ...
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Alpharetta, GA · On-site
$47.75 - $61.50/hr
Mainframe Assembler Location: Alpharetta, GA/Omaha, NE (Locals Only) Relevant Experience: 12+ Years ... Lead developer in associates and Issuer mandates and enhancements. * Should involve in code reviews ...
Plano, TX · On-site
$62.51 - $89.03/hr
DB2 (Database 2) * Experience with Mainframe Assembler Programming may be considered in place of COBOL * Daily hands-on work with COBOL, IMS, and DB2 in prior roles Preferred Skills * General ...
New
Plano, TX · On-site
$62.51 - $89.03/hr
DB2 (Database 2) * Experience with Mainframe Assembler Programming may be considered in place of COBOL * Daily hands-on work with COBOL, IMS, and DB2 in prior roles Preferred Skills * General ...
New
Plano, TX · On-site
$47 - $60.25/hr
Hands-on experience in Mainframe Assembler programming, IMS, DB2 * Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming ...
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Plano, TX · On-site
$47 - $60.25/hr
Hands-on experience in Mainframe Assembler programming, IMS, DB2 * Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming ...
Wilmington, DE · On-site
$47.50 - $61.25/hr
Hands-on experience in Mainframe Assembler programming, IMS, DB2 * Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming ...
Quick apply
Wilmington, DE · On-site
$47.50 - $61.25/hr
Hands-on experience in Mainframe Assembler programming, IMS, DB2 * Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming ...
Wilmington, DE · On-site
$47.50 - $61.25/hr
Hands-on experience in Mainframe Assembler programming, IMS, DB2 * Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming ...
Quick apply
Wilmington, DE · On-site
$47.50 - $61.25/hr
Hands-on experience in Mainframe Assembler programming, IMS, DB2 * Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming ...
Denver, CO · On-site
$130K - $145K/yr
Mainframe Adabas is the flagship product for Software AG. It is well known for its extremely high ... For this position, we are looking for an experienced and motivated senior assembler developer who ...
Denver, CO · On-site
$130K - $145K/yr
Mainframe Adabas is the flagship product for Software AG. It is well known for its extremely high ... For this position, we are looking for an experienced and motivated senior assembler developer who ...
They are seeking a Senior Developer with deep experience in IBM z/OS mainframe environments ... Assembler. • Perform system analysis and propose technical design solutions. • Develop and ...
They are seeking a Senior Developer with deep experience in IBM z/OS mainframe environments ... Assembler. • Perform system analysis and propose technical design solutions. • Develop and ...
Cincinnati, OH · Remote
$47 - $60.50/hr
Need a resource that can help them take data from Assembler programs that they can move to the cloud. Experience on SAS and or COBOL experience that would be a plus, Assembler experience is MUST ...
Cincinnati, OH · Remote
$47 - $60.50/hr
Need a resource that can help them take data from Assembler programs that they can move to the cloud. Experience on SAS and or COBOL experience that would be a plus, Assembler experience is MUST ...
Cincinnati, OH · On-site
$47 - $60.50/hr
Need a resource that can help them take data from Assembler programs that they can move to the cloud. Experience on SAS and or COBOL experience that would be a plus, Assembler experience is MUST ...
Cincinnati, OH · On-site
$47 - $60.50/hr
Need a resource that can help them take data from Assembler programs that they can move to the cloud. Experience on SAS and or COBOL experience that would be a plus, Assembler experience is MUST ...
Cincinnati, OH · Remote
$47 - $60.50/hr
Need a resource that can help them take data from Assembler programs that they can move to the cloud. Experience on SAS and or COBOL experience that would be a plus, Assembler experience is MUST ...
Cincinnati, OH · Remote
$47 - $60.50/hr
Need a resource that can help them take data from Assembler programs that they can move to the cloud. Experience on SAS and or COBOL experience that would be a plus, Assembler experience is MUST ...
Omaha, NE · On-site
Exposure to Assembler programming on CICS environment. Strong technical aptitude and experience with the software tools and techniques used in software development Strong collaboration skills and ...
Omaha, NE · On-site
Exposure to Assembler programming on CICS environment. Strong technical aptitude and experience with the software tools and techniques used in software development Strong collaboration skills and ...
Leesburg, VA · Remote
$86K - $97K/yr
Proficiency in COBOL, JCL, and Assembler programming languages for mainframe application development and sustainment. * Experience with mainframe database administration, including database structure ...
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Leesburg, VA · Remote
$86K - $97K/yr
Proficiency in COBOL, JCL, and Assembler programming languages for mainframe application development and sustainment. * Experience with mainframe database administration, including database structure ...
$38.70 - $41.26
4% of jobs
$41.26 - $43.82
5% of jobs
$43.82 - $46.37
11% of jobs
$47.14 is the 25th percentile. Wages below this are outliers.
$46.37 - $48.93
16% of jobs
$48.93 - $51.49
13% of jobs
The median wage is $51.91 / hr.
$51.49 - $54.04
6% of jobs
$54.04 - $56.60
10% of jobs
$56.60 - $59.16
5% of jobs
$61.46 is the 75th percentile. Wages above this are outliers.
$59.16 - $61.71
5% of jobs
$61.71 - $64.27
19% of jobs
$64.27 - $66.83
5% of jobs
$38
$54
$66
A Mainframe Assembler Programmer is responsible for writing, maintaining, and optimizing assembly language programs that run on mainframe computers. They work with low-level machine instructions to develop high-performance applications, often in industries like banking, insurance, and government. Their role includes debugging, performance tuning, and integrating new or existing software with mainframe systems. Strong knowledge of IBM mainframes, z/OS, and tools like High-Level Assembler (HLASM) is essential.
As a Mainframe Assembler Programmer, your daily tasks often include writing, testing, and debugging assembler code to support core business applications and system utilities. You’ll work closely with systems analysts, application developers, and operations teams to troubleshoot issues, optimize program performance, and implement software enhancements. Regular responsibilities may also involve reviewing system logs, maintaining documentation, and participating in system upgrades or migrations. The role often requires a proactive approach to problem-solving and collaboration within a structured, process-driven team environment.
To thrive as a Mainframe Assembler Programmer, you need strong expertise in low-level programming, a deep understanding of mainframe architectures (such as IBM z/OS), and often a degree in computer science or related field. Familiarity with tools like TSO, ISPF, JCL, and debugging utilities, along with experience using source control and system monitoring software, is highly valued, and certifications in mainframe technology can be beneficial. Excellent problem-solving abilities, meticulous attention to detail, and effective communication skills help you succeed in complex, team-based environments. These technical and interpersonal abilities are critical for maintaining system reliability, ensuring performance, and supporting business operations across large-scale enterprises.
Cities with the most Mainframe Assembler Programmer job openings:
The most popular types of Mainframe Assembler Programmer jobs are:
States with the most job openings for Mainframe Assembler Programmer jobs include:
The top searched job categories for Mainframe Assembler Programmer jobs are:
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.
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Recruiting and staffing services
51 - 200 Employees
Hazlet, NJ, US
2022
