Mainframe Developer

HCLTech is looking for a highly talented and self- motivated Sr Developer Mainframe to join it in advancing the technological world through innovation and creativity.

Job Title: Sr Mainframe Developer

Job ID: 173161

Position Type: Full-time

Location: San Antonio, Texas

Onsite: RTO (5 days per week)

Experience level:

9+ yrs

Job Description:

Seeking an experienced Mainframe Developer to analyze, convert, and modernize legacy Easytrieve applications into PL/I and/or Python solutions. The ideal candidate will possess strong IBM z/OS mainframe expertise, including Easytrieve, JCL, COBOL/PL/I, DB2, VSAM, and batch processing. Responsibilities include code analysis, redesign, conversion, testing, performance tuning, and production implementation while ensuring functional equivalence and maintaining business logic integrity.

Key Responsibilities

• Analyze existing Easytrieve programs and supporting batch workflows.

• Convert Easytrieve reporting and data-processing logic to PL/I or Python.

• Interpret and document legacy business rules and technical specifications.

• Work with JCL, DB2, VSAM, Sequential Files, and batch scheduling environments.

• Perform code remediation, debugging, unit testing, and system testing.

• Validate converted applications against existing production outputs.

• Optimize performance and maintainability of modernized solutions.

• Collaborate with business analysts, architects, and QA teams.

• Support deployment and post-production stabilization activities.

Required Skills

• 8+ years of IBM z/OS mainframe development experience.

• Strong experience with Easytrieve analysis and maintenance.

• Expertise in PL/I, COBOL, or similar mainframe languages.

• Experience with Python development for modernization initiatives.

• Strong knowledge of JCL, DB2, VSAM, TSO/ISPF, and batch processing.

• Experience with data mapping, file layouts, and report generation.

• Ability to reverse engineer undocumented legacy applications.

• Strong debugging, testing, and problem-solving skills.

Preferred Skills

• Mainframe modernization or migration project experience.

• Experience with automated code conversion tools.

• Knowledge of CICS and IBM utilities.

• Experience with Agile development methodologies.

• Familiarity with cloud-based modernization strategies.

Pay and Benefits

Pay Range Minimum: $109000per year

Pay Range Maximum: $ 160000per year

HCLTech is an equal opportunity employer, committed to providing equal employment opportunities to all applicants and employees regardless of race, religion, sex, color, age, national origin, pregnancy, sexual orientation, physical disability or genetic information, military or veteran status, or any other protected classification, in accordance with federal, state, and/or local law. Should any applicant have concerns about discrimination in the hiring process, they should provide a detailed report of those concerns to secure@hcltech.com for investigation.

A candidate’s pay within the range will depend on their skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies: medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program; 401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year

How You’ll Grow

At HCLTech, we offer continuous opportunities for you to find your spark and grow with us. We want you to be happy and satisfied with your role and to really learn what type of work sparks your brilliance the best. Throughout your time with us, we offer transparent communication with senior-level employees, learning and career development programs at every level, and opportunities to experiment in different roles or even pivot industries. We believe that you should be in control of your career with unlimited opportunities to find the role that fits you best.