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Junior Mainframe Jobs (NOW HIRING)

Forhyre

Unisys Mainframe Developer

Charleston, WV

$45.25 - $58.25/hr

We are looking for a Senior Mainframes Developer to work on mainframe software application ... Responsible for providing hands on expert level assistance to junior developers for technical ...

Purple Drive Technologies

Mainframe Developer

Pittsburgh, PA · On-site

$47.50 - $61.25/hr

Hands-on experience with mainframe technologies such as COBOL, DB2, and CICS . * Experience with ... Ability to mentor and guide junior engineers * Focus on quality, performance, and continuous ...

Xpanxion

Junior COBOL Developer

Coral Springs, FL · On-site

$63.80K - $82.90K/yr

The Junior COBOL Developer will be responsible for programming, systems analysis, software development, and utilizing mainframe technologies in day-to-day tasks. Qualifications * Analytical Skills ...

Xpanxion

Junior COBOL Developer

Alpharetta, GA · On-site

$65.40K - $84.90K/yr

The Junior COBOL Developer will be responsible for programming, systems analysis, software development, and utilizing mainframe technologies in day-to-day tasks. Qualifications * Analytical Skills ...

S2SSoft

Mainframe Developer

Edison, NJ · Hybrid

$49.75 - $63.75/hr

... junior developers; enforce coding standards and best practices. 7. Collaborate with cross ... mainframe development. 11. Conduct Daily Team huddle meetings and Shift handover calls Skills ...

UST Xpanxion

Junior COBOL Developer

Alpharetta, GA · On-site

$50K - $52K/yr

The Junior COBOL Developer will be responsible for programming, systems analysis, software ... Mainframe expertise * Experience in COBOL programming * Strong problem-solving abilities * Bachelor ...

UST Xpanxion

Junior COBOL Developer

Coral Springs, FL · On-site

$50K - $52K/yr

The Junior COBOL Developer will be responsible for programming, systems analysis, software ... Mainframe expertise * Experience in COBOL programming * Strong problem-solving abilities * Bachelor ...

Lorven Technologies

Mainframe CICS & MQ

$50.25 - $64.50/hr

Mainframe CICS & MQ Location: Remote * Bachelor's degree in related field. * 10+ year experience in ... Provide training, technical guidance, and mentoring to junior team members. * Demonstrate strong ...

TEKsystems

Mainframe Systems Programmer

Chandler, AZ

$70.24/hr

... junior staff while promoting an inclusive, collaborative team culture Primary Skill Others • ... • Mainframe security administration, including defining and maintaining RACF profiles ...

New

TEKsystems

Mainframe Systems Programmer

Chandler, AZ

$70.24/hr

... junior staff while promoting an inclusive, collaborative team culture Primary Skill Others • ... • Mainframe security administration, including defining and maintaining RACF profiles ...

New

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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.

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Junior Mainframe jobs near you

Mainframe Data Conversion Lead (Hybrid)

S R INTERNATIONAL INC

Phoenix, AZ • Hybrid

$65 - $75/hr

Full-time

Posted 20 days ago

Job description

This Position is for Local Arizona residents only.
Job Title: Mainframe Data Conversion Lead

Job ID: 10977- (Hybrid)

Client: State of Arizona - AZDES - DTS

Closing Date & Time: 5/13/2026@ 4 PM

This is a Hybrid position and expected to be in office once a week. Local candidates only.
10+ years of overall data integration / ETL experience with at least 5+ years specifically in Mainframe to Modern Platform data migrations.
Required Skills:

  • Previous experience in Mainframe data conversion (This must be on Resume)
  • Salesforce Expert
  • Informatica Expert
  • SQL Server Expert
  • 10+ years of overall data integration / ETL experience with at least 5+ years specifically in Mainframe to Modern Platform data migrations.
  • Strong experience migrating data from IBM Mainframe environments (z/OS, DB2, VSAM, IMS, COBOL, JCL).
  • Expert-level hands-on experience with Informatica Intelligent Cloud Services (IICS).
  • Strong proficiency in SQL Server development (T-SQL, stored procedures, performance tuning).
  • Solid experience with Salesforce data migration (Salesforce objects, Data Loader, Bulk API, Salesforce Connect, External Objects).
  • Deep understanding of data modeling, normalization, hierarchical vs relational data structures, and mainframe-to-relational conversion techniques.
  • Experience in large-scale Data Conversion / Legacy Modernization projects (highly preferred).
  • Strong knowledge of data quality frameworks and tools.
  • Excellent analytical, problem-solving, and communication skills.
  • Ability to work independently and lead cross-functional teams.

Preferred Skills

  • Informatica Data Quality (IDQ)
  • MuleSoft
  • Salesforce Service Cloud
Job Descriptions:

We are seeking an experienced Mainframe Data Conversion Lead to lead the complex migration of legacy mainframe data (primarily IBM z/OS, DB2, VSAM, IMS, and COBOL-based systems) into Salesforce using Informatica as the primary ETL tool and SQL Server as the staging and transformation platform.
The ideal candidate will have deep expertise in mainframe data structures, data mapping, cleansing, transformation, and loading into Salesforce (Service Cloud, and custom objects). This role is critical in ensuring data accuracy, integrity, and compliance during large-scale data conversion initiatives.
Key Responsibilities:

  • Lead end-to-end mainframe data conversion projects from discovery through go-live and hypercare.
  • Analyze and document mainframe data structures including DB2 tables, VSAM files, IMS databases, flat files, and COBOL copybooks.
  • Design and develop data mapping documents, source-to-target mappings, and transformation rules from mainframe sources to Salesforce objects.
  • Build, optimize, and maintain robust ETL processes using Informatica PowerCenter / IICS for extraction, cleansing, transformation, and loading.
  • Use SQL Server (stored procedures, SSIS, SQL scripts) as an intermediate staging, cleansing, and reconciliation platform.
  • Work closely with Salesforce architects and developers to ensure data is loaded efficiently using Salesforce APIs, Bulk API, and Data Loader (or Informatica Salesforce Connector).
  • Perform data profiling, data quality assessment, cleansing, deduplication, and enrichment.
  • Develop and execute data validation, reconciliation, and cutover plans with business and technical teams.
  • Mentor junior team members.
  • Establish and enforce data conversion best practices, standards, and governance.
  • Provide regular status reporting to project management and stakeholders on data conversion progress, risks, and issues.