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Per Diem Mainframe Modernization Jobs (NOW HIRING)

Mainframe Developer

Birmingham, AL · On-site

$46 - $59/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Hybrid - 3 Days Onsite per Week | Birmingham, AL Position Status: Contract-to-Hire | 6 Months ... Contribute to mainframe modernization, system integration, and digital transformation initiatives

Mainframe z/OS System Programmer

Chandler, AZ · On-site

$56.25 - $71.50/hr

This is a full-time hybrid position requiring three days onsite per week. The environment includes ... Exposure to mainframe modernization programs What You Will Be Doing * Administer and maintain IBM z ...

Mainframe Developer

Phoenix, AZ · On-site

$80K - $88K/yr

Knowledge of API integration or Mainframe modernization initiatives is an added advantage. Experience: 8+yr Flexible work from home options available. Compensation: $80,000.00 - $88,000.00 per year ...

Mainframe z/OS System Programmer

Chandler, AZ · On-site

$56.25 - $71.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

This is a full-time hybrid position requiring onsite attendance three days per week. The ... Mainframe modernization project exposure What You Will Be Doing * Maintain and optimize IBM z/OS ...

CICS System Administrator

Chandler, AZ · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

This is a full-time, hybrid opportunity requiring three days per week onsite. The environment ... Mainframe modernization exposure What You Will Be Doing * Install, maintain, and upgrade CICS TS ...

Senior Software Engineer - Hogan

Buffalo, NY · On-site +1

$97K - $161K/yr

  • Medical

  • Retirement

  • PTO

Familiarity with IBM's zDIH or other mainframe modernization and integration technologies ... Banking Officers start with 25 days PTO plus 12 paid holidays * 40 hours paid volunteer hours per ...

Mainframe Developer

Trenton, NJ

$49.25 - $63.25/hr

... per week . What You'll Do * Analyze business and system requirements and translate them into ... Participate in database conversion and modernization efforts as needed * Work under the direction ...

New

DevOps Engineer

Boston, MA · On-site

$110K/yr

Boston, MA || John's Creek, GA (Onsite) Salary: $110k per annum + Benefits · 5-10+ years of ... Android), mainframe modernization, and hybrid cloud environments. · Experience integrating ...

Mainframe Developer

Trenton, NJ · On-site

$49.25 - $63.25/hr

... per week . What You ll Do * Analyze business and system requirements and translate them into ... Participate in database conversion and modernization efforts as needed * Work under the direction ...

New

Senior Software Engineer - Hogan

Buffalo, NY · On-site

$97K - $161K/yr

  • Medical

  • Retirement

  • PTO

Familiarity with IBM's zDIH or other mainframe modernization and integration technologies ... Banking Officers start with 25 days PTO plus 12 paid holidays * 40 hours paid volunteer hours per ...

Mainframe Developer

Trenton, NJ · On-site

$49.25 - $63.25/hr

This position will be a contract and hybrid , requiring candidates to work onsite two days per week ... Participate in database conversion and modernization efforts as needed * Work under the direction ...

New

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Per Diem Mainframe Modernization information

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$10

$53

$72

How much do per diem mainframe modernization jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for per diem mainframe modernization 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.
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Infographic showing various Per Diem Mainframe Modernization job openings in the United States as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 79% Physical, 8% Hybrid, and 13% Remote job distribution, with an average salary of $111,026 per year, or $53.4 per hour.

$46 - $59/hr

Contractor

Medical, Dental, Vision, Retirement

Posted 4 days ago


Job description

Position Title: Mainframe Developer (COBOL / DB2 / CICS)
Location: Hybrid - 3 Days Onsite per Week | Birmingham, AL
Position Status: Contract-to-Hire | 6 Months
Position Description:
We're seeking a Mainframe Developer to help support and modernize critical enterprise applications within our IBM mainframe environment. This role is ideal for a developer who enjoys solving complex business problems, maintaining high-performance systems, and contributing to modernization initiatives that connect legacy platforms with modern technologies.
What You'll Do
As a Mainframe Developer, you will:
  • Design, develop, test, maintain, and enhance applications in an IBM z/OS mainframe environment
  • Develop and support COBOL programs, JCL jobs, and batch-processing applications
  • Work with DB2 databases, including SQL development, data retrieval, and application integration
  • Support online transaction processing utilizing CICS
  • Analyze business requirements and implement application enhancements and fixes
  • Troubleshoot production incidents, batch failures, performance issues, and application defects
  • Review job logs, system messages, abends, and processing results to identify root causes and resolve issues
  • Participate in unit testing, integration testing, and regression testing activities
  • Create and maintain technical documentation, system specifications, and support procedures
  • Collaborate with developers, business analysts, QA teams, and infrastructure partners throughout the SDLC
  • Contribute to mainframe modernization, system integration, and digital transformation initiatives
  • Provide production support and participate in issue resolution efforts as needed
  • Follow coding standards, development best practices, and change-management processes

Required Qualifications
  • 5+ years of experience in Mainframe Development, Software Engineering, or a related technical field
  • Hands-on experience developing applications using COBOL
  • Experience with JCL (Job Control Language) and batch processing
  • Working knowledge of DB2 and SQL
  • Experience with or exposure to CICS transaction-processing environments
  • Understanding of the Software Development Life Cycle (SDLC)
  • Strong analytical, problem-solving, and troubleshooting abilities
  • Ability to read, maintain, and enhance existing legacy applications and codebases
  • Excellent communication and collaboration skills
  • Ability to work effectively in a team-oriented environment

Preferred Qualifications
  • Experience in the financial services, banking, insurance, or highly regulated industries is highly valued.
  • IBM z/OS
  • VSAM
  • TSO/ISPF
  • IBM Utilities
  • File-AID
  • Abend-AID
  • Control-M or other enterprise job scheduling tools
  • Git or modern source control platforms
  • REST APIs and mainframe integration technologies
  • Agile or Scrum development methodologies
  • Mainframe modernization initiatives
  • Cloud integration projects
  • DevOps tools and CI/CD practices

About Seneca Resources:
At Seneca Resources, we are more than just a staffing and consulting firm, we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.
When you work with Seneca, you're choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.