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Mainframes Developer Jobs in Alabama (NOW HIRING)

Navisoft

Mainframe DB2 Application Developer

Auburn, AL · On-site

$120 - $150/hr

Mainframe DB2 Application Developer (ID: KK11DR11173) Role: Mainframe DB2 Application Developer Description: This role requires expertise in Mainframe DB2 application development. * Mainframe DB2 ...

Accelyst, LLC

.NET Developer

Montgomery, AL · On-site

$47.75 - $63/hr

NET Developer with Mainframe experience to support mission-critical enterprise applications in a hybrid legacy and modern technology environment. The role focuses on application development ...

vTech Solution

.NET Developer

Montgomery, AL · On-site

$47.75 - $63/hr

Net Developer with Mainframe development experience to support and enhance mission-critical enterprise applications in a complex hybrid environment that includes both legacy mainframe systems and ...

GDH

.NET Developer

Montgomery, AL · On-site

$50 - $60/hr

NET developer with mainframe experience is sought to support and enhance enterprise applications within a complex hybrid environment. This role involves maintaining legacy systems, modernizing ...

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Mainframes Developer information

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What are popular job titles related to Mainframes Developer jobs in Alabama?

For Mainframes Developer jobs in Alabama, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Alabama look for?

The top searched job categories for Mainframes Developer jobs in Alabama are:

What cities in Alabama are hiring for Mainframes Developer jobs?

Cities in Alabama with the most Mainframes Developer job openings:

Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Alabama as of August 2026, with employment types broken down into 86% Full Time, 2% Part Time, 1% Temporary, and 11% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution.

Mainframe Developer

Seneca Resources Company, LLC

Birmingham, AL • On-site

$46 - $59/hr

Contractor

Medical, Dental, Vision, Retirement

Posted 14 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.

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