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Ibm Mainframe Assembler Jobs (NOW HIRING)

Advent Global Solutions

Mainframe Cobol developer

Plano, TX · On-site

$45.75 - $59/hr

Heavy experience in software development using IBM Assembler in the zOS operating system * Skills with system level functions such as SVCs and PC calls. * Experience working with mainframe database ...

Broadcom

R&D Software Engineer

Lisle, IL · On-site

... using IBM Assembler/Metal C on the mainframe (zOS or zVSE) platform • Experience in implementing JCL to execute batch processes in zOS or zVSE • Additional experience in one or more of the ...

Advent Global Solutions

Mainframe Cobol developer

Plano, TX

$45.75 - $59/hr

* Heavy experience in software development using IBM Assembler in the zOS operating system * Skills with system level functions such as SVCs and PC calls. * Experience working with mainframe database ...

Sonsoft Inc

Mainframe Modernization (GC--USC)

Plano, TX

$47 - $60.25/hr

Preferably with experience in IBM, MicroFocus, Compuware or other vendor toolset, Strong knowledge and experience in Mainframe Technologies ( COBOL, PL/I, IMS, CICS, REXX, ASSEMBLER, JCL, IMS DB and ...

Analytica

z/OS Mainframe Programmer

Washington, DC · On-site +1

Analytica is seeking a remote z/OS Mainframe Programmer to support a long standing federal ... Write, test, and troubleshoot programs using Assembler , JCL , and related IBM z/OS utilities.

Analytica

z/OS Mainframe Programmer

Washington, DC · Remote

Analytica is seeking a remote  z/OS Mainframe Programmer  to support a long standing federal ... Write, test, and troubleshoot programs using Assembler , JCL , and related IBM z/OS utilities.

Accenture

Mainframe Specialist

Carmel, NY

$70K - $196K/yr

COBOL, JCL, VSAM, CICS, DB2, Assembler, REXX, SPUFI, TSO/ISPF, or RACF. * Minimum 3+ years leading ... Certifications in mainframe technologies (e.g., IBM Certified) and project management (e.g., PMP ...

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How much do ibm mainframe assembler jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for ibm mainframe assembler in the United States is $53.38, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $60.58 per hour, depending on experience, location, and employer.

What is an IBM Mainframe Assembler?

An IBM Mainframe Assembler job involves programming in Assembly language on IBM mainframe systems. Professionals in this role write, debug, and optimize low-level code to interact directly with hardware and system software. They often work on performance-critical applications, system utilities, or legacy code maintenance. This job requires deep knowledge of mainframe architecture, instruction sets, and operating systems like z/OS. It is crucial in industries relying on mainframes, such as banking, insurance, and government.

What are the key skills and qualifications needed to thrive in the IBM Mainframe Assembler position, and why are they important?

To thrive as an IBM Mainframe Assembler, you need strong expertise in assembly language programming, debugging, and understanding of mainframe systems, often supported by a degree in computer science or related experience. Familiarity with IBM z/OS, JCL (Job Control Language), and tools such as IBM Debug Tool or SDSF is commonly expected, and certifications in mainframe technologies can be advantageous. Attention to detail, strong problem-solving ability, and effective communication are key soft skills for this position. These skills are critical to ensuring the reliability, efficiency, and maintainability of essential enterprise applications running on mainframe systems.

What are the typical daily responsibilities of an IBM Mainframe Assembler?

As an IBM Mainframe Assembler, your typical day involves writing, modifying, and debugging assembly language programs that support business-critical applications. You’ll often review technical specifications, collaborate closely with system programmers and application developers, and use debugging tools to analyze and resolve issues. Maintaining documentation, performing code reviews, and optimizing existing routines for better performance are also regular tasks. This role often requires adherence to strict change management processes and close collaboration within a team responsible for the stability and reliability of mainframe environments.

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Ibm Mainframe Assembler jobs near you
Infographic showing various Ibm Mainframe Assembler job openings in the United States as of August 2026, with employment types broken down into 77% Full Time, 10% Part Time, 1% Temporary, 8% Contract, and 4% Nights. Highlights an 100% Physical job distribution, with an average salary of $111,026 per year, or $53.4 per hour.

Senior Systems Engineer

CyberMedia Technologies

Indianapolis, IN • On-site

$99K - $136K/yr

Full-time

Medical, Retirement, PTO

Re-posted 18 days ago

Job description

CTEC is a leading technology firm that provides modernization, digital transformation, and application development services to the U.S. Federal Government. Headquartered in McLean, VA, CTEC has over 300 team members working on mission-critical systems and projects for agencies such as the Department of Homeland Security, Internal Revenue Service, and the Office of Personnel Management. The work we do effects millions of U.S. citizens daily as they interact with the systems we build. Our best-in-class commercial solutions, modified for our customers' bespoke mission requirements, are enabling this future every day.
The Company has experienced rapid growth over the past 3 years and recently received a strategic investment from Main Street Capital Corporation (NYSE: MAIN). In addition to our recent growth in Federal Civilian agencies, we are seeking to expand our capabilities in cloud development and footprint in national-security focused agencies within the Department of Defense and U.S. Intelligence Community.
We are currently seeking a Systems Engineer (Senior) to join our team.
Position Summary
The Systems Engineer (Senior) is responsible for performing high-level systems analysis, evaluation, design, integration, documentation, and implementation of highly complex applications and systems. This role requires a thorough understanding of administrative and technical principles to support enterprise-wide system development and engineering initiatives. This position supports the Defense Finance and Accounting Service (DFAS) with their IBM mainframe-based civilian payroll system.
The Senior Systems Engineer directs and participates in all phases of system development with emphasis on planning, analysis, evaluation, integration, testing, validation, verification, and acceptance activities, including Independent Verification & Validation (IV&V) and Developmental Test & Evaluation (DT&E). The position also involves applying advanced business and technical methodologies to solve complex engineering problems and deliver automated solutions that meet organizational objectives.
Key Responsibilities
  • Perform systems analysis, design, integration, implementation, and maintenance for complex enterprise applications.
  • Lead and participate in all phases of the system development lifecycle (SDLC).
  • Support planning, analysis, evaluation, integration, testing, IV&V, DT&E, and acceptance activities.
  • Analyze complex technical and business requirements and develop automated engineering solutions.
  • Develop and maintain technical documentation, system specifications, reports, charts, and graphs.
  • Prepare and deliver technical presentations, briefings, and status updates to stakeholders and leadership.
  • Ensure quality standards and service delivery requirements are consistently achieved for assigned tasks and projects.
  • Collaborate with cross-functional teams, developers, testers, and business stakeholders to support system modernization and operational objectives.
  • Support configuration management, audit readiness, and compliance activities.
  • Identify system risks, issues, and performance concerns and recommend corrective actions.
  • Analyze and Action Requests and System Change Requests, developing resolution plans and documenting outcomes in configuration management system.
  • Analyze and resolve ABENDs (unplanned program terminations) and escalate as required.
  • Support IBM DB2 and IDMS (v19.0) database administration, including installation, maintenance, and upgrade activities, with development of Plans of Action and Milestones (POAMs).
  • Participate in Continuity of Operations (COOP) planning, testing, and enhancement exercises.
  • Monitor and manage incoming file transfers and interface files.

Required Qualifications
Candidates must possess extensive hands-on experience (3-5 years) with the following:
  • IDMS database
  • COBOL programming
  • JCL
  • Agile Methodology

Preferred Qualifications
Extensive hands-on experience (3-5 years) with the following is preferred:
  • Oracle
  • COGNOS
  • JavaScript
  • Broadcom Endevor
  • Software Testing Strategies
  • Configuration Management Strategies
  • Audit Support and Assurance
  • REXX scripting language
  • MQSeries 6.0
  • z/OS mainframe operating environment; IBM mainframe tools: TSO, ISPF, SDSF, JES
  • ACF2 security management (REL 16.0.05/MVS)
  • Control-M job scheduler; IBM DB2; PL/SQL
  • Assembler programming (IBM mainframe)

Desired Skills
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Experience supporting enterprise-level or government systems environments.
  • Knowledge of systems engineering methodologies and best practices.
  • Excellent written and verbal communication skills.
  • Ability to manage multiple priorities and work collaboratively within cross-functional teams.
  • Experience with legacy systems modernization and integration efforts is highly desirable.
  • Exposure to 24/7 production mainframe operations or on-call support environments.
  • Familiarity with DoD/DFAS security requirements and CAC-enabled environments.

Education & Experience
  • Bachelor's degree in Computer Science, Information Systems, Engineering, or related field preferred.

Clearance: Active Secret clearance required.
If you are looking for a fun and challenging environment with talented, motivated people to work with, CTEC is the right place for you. In addition to employee salary, we offer an array of employee benefits including:
  • Paid vacation & Sick leave
  • Health insurance coverage
  • Career training
  • Performance bonus programs
  • 401K contribution & Employer Match
  • 11 Federal Holidays

Apply