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Senior Mainframe Developer Jobs in Hawthorne, CA

iSpace, Inc

Senior Mainframe COBOL Developer

Los Angeles, CA · On-site

$52.75 - $68/hr

We are Seeking a Senior Mainframe COBOL Developer with a strong background in enterprise financial systems. The ideal candidate will support mission-critical mainframe applications, troubleshoot ...

Accenture

Mainframe Specialist

Los Angeles, CA · On-site

$70K - $196K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ... Collaborate with senior leadership to secure executive sponsorship and organizational buy-in for ...

Scalence L.L.C.

Senior SQL and ETL Engineer

Downey, CA · On-site

$106K - $146K/yr

... with mainframe including data extraction, mapping, and conversion into modern ETL/ELT pipelines ... Azure DevOps CI/CD workflows. • 3 years of experience in the past 4 years building and ...

Sedgwick

Senior Engineer - LLMOps & MLOps

Los Angeles, CA · On-site +1

$112K - $154K/yr

... Services & Insurance Senior Engineer - LLMOps & MLOps Role Overview This is a high-stakes ... Build the engineering "pipes" to securely ingest and move data from legacy systems (Mainframes, SQL ...

Deloitte

Senior QE Engineer III

Los Angeles, CA · On-site

$95K - $129K/yr

... web-based, mainframe-based and three-tier architectures. * Experience with the following ... Senior QA Engineer -AI & Engineering Join our AI & Engineering team in transforming technology ...

Senior plc

Quality Specialist

Burbank, CA · On-site

$47K/yr

  • Retirement

  • PTO

Senior plc is an international, market-leading, engineering solutions provider with 19 operating ... Maintains and updates document release and configuration management system on mainframe computer.

Senior plc

Quality Specialist

Burbank, CA

$47K/yr

  • Retirement

  • PTO

Senior plc is an international, market-leading, engineering solutions provider with 19 operating ... Maintains and updates document release and configuration management system on mainframe computer.

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Senior Mainframe Developer information

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How much do senior mainframe developer jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for senior mainframe developer in Hawthorne, CA is $58.61, according to ZipRecruiter salary data. Most workers in this role earn between $55.00 and $64.04 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior mainframe developer, and why are they important?

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

What are some common challenges faced by senior mainframe developers when integrating legacy systems with modern technologies?

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What is a senior mainframe developer?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.

What cities near Hawthorne, CA are hiring for Senior Mainframe Developer jobs?

Cities near Hawthorne, CA with the most Senior Mainframe Developer job openings:

Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Hawthorne, CA as of June 2026, with employment types broken down into 45% Full Time, 49% Part Time, 3% Temporary, and 3% Contract. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution, with an average salary of $121,915 per year, or $58.6 per hour.

Senior Mainframe COBOL Developer

iSpace, Inc

Los Angeles, CA • On-site

$52.75 - $68/hr

Other

Posted 10 days ago

Job description

We are Seeking a Senior Mainframe COBOL Developer with a strong background in enterprise financial systems. The ideal candidate will support mission-critical mainframe applications, troubleshoot production issues, and develop enhancements for high-volume transaction processing systems. Candidates should be comfortable supporting scheduled batch operations as needed.

Required Qualifications
  • 10+ years of COBOL development experience on IBM Mainframe.
  • Strong hands-on experience with COBOL, CICS, DB2, JCL, and MQ.
  • Experience supporting production environments, batch processing, and application maintenance.
  • Background in Automotive Finance, Consumer Lending, Commercial Lending, Banking, or Financial Services.
  • Experience performing application enhancements, impact analysis, debugging, testing, and production support.
  • Familiarity with SDLC, change management, and Agile development practices.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication and the ability to collaborate with cross-functional teams.

Local candidates within commuting distance of Los Angeles, CA are preferred. No sponsorship available

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