Mainframe Assembler Developer
Listed on 2026-09-08
-
Software Development
Software Engineer
Mainframe Assembler Developer
Type:
Full Time - Contract Duration: 12+ Months
Location:
Addison, TX or Charlotte, NC
As a Mainframe Assembler Developer, you will:
We are seeking a highly experienced Mainframe Assembler Developer to support and enhance a mission-critical legacy application written in IBM z/OS assembler language. This role requires a self-sufficient engineer capable of independently analyzing, maintaining, and improving high-volume, high-availability batch processing systems in a regulated financial services environment. The ideal candidate brings deep expertise across core mainframe technologies, experience supporting check/image item processing or payment platforms, and strong familiarity with parallel Sys Plex environments (LPAR-based architectures).
Primary Skill
- Assembler (HLASM) Secondary Skill- TSO/ISPF Tertiary Skill- JCL/ECL
Required Qualifications
Experience in IBM Mainframe Assembler development and production support.
- Assembler (HLASM) programming
- JCL development and troubleshooting
- GDGs and batch processing
Demonstrated experience supporting:
- High-volume financial transaction systems
- Production batch environments with strict SLAs and recovery requirements
- Experience working in high-availability environments, including:
- Sys Plex architectures
- Multiple LPARs and workload distribution
Solid understanding of:
- Mainframe datasets, VSAM, and utilities
- Production support processes and incident management
- Experience using Service Now and/or Remedy
Proven ability to:
- Work independently in loosely documented legacy environments
- Analyze complex assembler codebases
- Diagnose and resolve critical production issues quickly
- Check processing, image item processing, or payment processing platforms
- Demonstrated experience supporting:
- High-volume, high-throughput transaction systems & Mission-critical applications requiring near-continuous availability
Familiarity with:
- Experience in financial services or banking environments
- SMP/E for system maintenance and upgrades
- SAR (System Activity Reporter / reporting tools)
- Experience supporting assembler applications during:
- Platform upgrades, Macro or compatibility changes
Pay Range*: $60/hr to $65/hr
* Pay range offered to a successful candidate will be based on several factors, including the candidate's education, work experience, work location, specific job duties, certifications, etc.
Benefits:
- Medical & pharmacy coverage
- Dental/vision insurance
- 401(k)
- Health saving account (HSA) and Flexible spending account (FSA)
- Life Insurance
- Pet Insurance
- Short term and Long term Disability
- Accident & Critical illness coverage
- Pre-paid legal & protection
- Sick time
- and other types of paid leaves (as required by law)
- Employee Assistance Program (EAP).
About Innova Solutions:
Founded in 1998 and headquartered in Atlanta, Georgia, Innova Solutions employs approximately 50,000 professionals worldwide and reports an annual revenue approaching $3 Billion. Through our global delivery centers across North America, Asia, and Europe, we deliver strategic technology and business transformation solutions to our clients, enabling them to operate as leaders within their fields.
Recent Recognitions:
- Named One of America's Best Employers for New Grads by Forbes (2024 Named One of the Best Companies to Work for by U.S. News & World Report (Private Companies List, )
- One of the Largest IT Staffing Firms in the US
- Ranked #3 by Staffing Industry Analysts (SIA, 2024) - One of the Largest Staffing Firms in the US
- Ranked #13 by Staffing Industry Analysts (SIA, 2024; includes Innova Solutions, Volt, & Hire Genics) - Named One of the Top Ten Private Companies in Atlanta by the Atlanta Business Chronicle (2023)
- One of the Largest Certified Minority Business Enterprises (MBEs) in the United States (NMSDC, 2024)
- AWS Advanced Tier Services Partner with 100+ certifications
Website: Solutions offers a referral bonus for qualified Ambassadors who refer eligible referrals. Submit referrals at and earn $250-$1,000 per referral.
Innova Solutions is an Equal Opportunity Employer and prohibits any kind of unlawful discrimination and harassment. Innova Solutions is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment on the basis of race, color, religion or belief, national origin, citizenship, social or ethnic origin, sex, age, physical or mental disability, veteran status, marital status, domestic partner status, sexual orientation or any other status protected by the statutes, rules, and regulations in the locations where it operates.
If you are an individual with a disability and need a reasonable accommodation to assist with your job search or application for employment, please contact us at [email protected] or . Please indicate the specifics of the assistance needed.
Innova Solutions encourages all interested and qualified candidates to apply for employment opportunities.
Innova Solutions (Hire Genics/Volt) does not discriminate against…
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