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Junior Mainframe Jobs (NOW HIRING)

M&T Bank

Senior Software Engineer - Mainframe

Buffalo, NY · On-site

$97.10K - $161.80K/yr

Receive mentoring from our most senior engineers-experts with decades of mainframe experience-and progressively mentor junior team members. * Participate in code reviews, architecture discussions ...

M&T Bank

Senior Software Engineer - Mainframe

Buffalo, NY · On-site +1

$97.10K - $161.80K/yr

Receive mentoring from our most senior engineers-experts with decades of mainframe experience-and progressively mentor junior team members. * Participate in code reviews, architecture discussions ...

Broadcom

Senior Mainframe Software Engineer

Plano, TX · On-site

$117.90K - $155.50K/yr

Broadcom's Mainframe Software Division is looking for a talented and motivated Software Engineer ... junior engineers and guide them in their professional growth. • Excellent written and verbal ...

Broadcom, Inc.

Senior Mainframe Software Engineer

Plano, TX · On-site

$108K - $172.80K/yr

Mentor junior engineers and guide them in their professional growth. * Excellent written and verbal ... Proven Mainframe knowledge and skills. * IBM Assembler Language (HLASM) proficiency. * z/OS ...

USM

Mainframe Developer-----Need GC and USC

Columbus, OH · On-site

$47.25 - $60.75/hr

Mainframe Developer Duration - 18 months Location - Columbus, OH Need GC and USC Top Three Skills ... junior developers and make sure line commitments are covered from iteration to iteration ...

Ensono

Senior Mainframe Systems Programmer - zOS

$85K - $148K/yr

Strong communication skills to liaise with cross-functional teams as well as provide guidance to junior team members. Other Qualifications * Ability to perform skill set of a Mainframe System ...

Ensono

Senior Mainframe System Programmer - zOS

$80K - $148K/yr

Position Summary The Senior Mainframe Systems Programmer provides support for on-going projects ... to junior team members. * Methodical and disciplined approach to work. * Excellent analytical ...

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Junior Mainframe information

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$24K

$89K

$137.5K

How much do junior mainframe jobs pay per year?

As of May 31, 2026, the average yearly pay for junior mainframe in the United States is $88,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $87,000.00 per year, depending on experience, location, and employer.

Does mainframe require coding?

A Junior Mainframe role typically involves coding, as mainframe professionals often write and maintain programs using languages like COBOL, PL/I, or Assembler. Strong problem-solving skills and knowledge of mainframe tools are also important for the job.

How do I get into mainframes?

To become a Junior Mainframe professional, gain knowledge of mainframe operating systems like z/OS, learn programming languages such as COBOL or JCL, and develop skills in mainframe hardware and software tools. Obtaining relevant certifications and hands-on experience through internships or training programs can also improve your chances of entering the field.

What is the difference between Junior Mainframe vs Mainframe Developer?

AspectJunior MainframeMainframe Developer
CredentialsBasic certifications, entry-level experienceAdvanced certifications, several years of experience
Work EnvironmentSupport and maintenance tasks, learning-focusedDesign, development, and optimization of mainframe applications
Employer UsageEntry-level roles in finance, government, and large enterprisesSenior roles with more responsibility in similar industries

Junior Mainframe roles are typically entry-level, focusing on support and learning, while Mainframe Developers handle complex development tasks. The main difference lies in experience, responsibilities, and skill level, with Junior Mainframe positions serving as a stepping stone toward becoming a Mainframe Developer.

More about Junior Mainframe jobs
What cities are hiring for Junior Mainframe jobs? Cities with the most Junior Mainframe job openings:
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What states have the most Junior Mainframe jobs? States with the most job openings for Junior Mainframe jobs include:
What job categories do people searching Junior Mainframe jobs look for? The top searched job categories for Junior Mainframe jobs are:
Junior Mainframe jobs near you
Opening Mainframe-COBOL developer in Jersey City, NJ

Opening Mainframe-COBOL developer in Jersey City, NJ

Aroha Technologies

Jersey City, NJ • On-site

$50 - $55/hr

Contractor

Posted 19 days ago

Job description

Mainframe-COBOL Developer
Key Responsibilities:

  1. Own end-to-end solution design, impact analysis, and technical architecture for complex systems.
  2. Develop, optimize, and review COBOL programs, JCL jobs, DB2 queries, and CICS transactions.
  3. Lead performance tuning for batch windows, DB2 access paths, and CICS TPS optimization.
  4. Manage code promotion, release planning, and ensure compliance with audit and security standards.
  5. Drive modernization initiatives (API enablement, DevOps pipelines).
  6. Mentor and coach junior developers; enforce coding standards and best practices.
  7. Collaborate with cross-functional teams (BA, QA, Ops, DBA) and manage stakeholder expectations.
  8. Provide production support leadership, RCA for critical incidents, and implement permanent fixes.
  9. Prepare technical documentation, runbooks, and contribute to governance frameworks.
  10. Stay updated with the latest industry trends and technologies related to mainframe development.
  11. Conduct Daily Team huddle meetings and Shift handover calls

Skills Required:

  1. COBOL: Advanced programming, modular design, error handling, performance optimization.
  2. JCL: Complex job streams, utilities (SORT, IDCAMS), scheduling dependencies.
  3. DB2: Advanced SQL, stored procedures, triggers, bind/package management, performance tuning.
  4. VSAM: Dataset design, IDCAMS scripting, recovery strategies.
  5. CICS: Transaction design, pseudo-conversational flows, resource definitions, BMS maps.
  6. Expertise in debugging tools (Abend-AID, Xpediter), File-AID, and job schedulers (CA7/Control-M).
  7. Strong knowledge of SDLC, Agile practices, and change management processes.
  8. Leadership in code reviews, mentoring, and technical governance.