Mainframe Developer (COBOL, JCL & DB2) | LogicLine Innovation Inc | Remote

LogicLine Innovation Inc; United States; Remote; USD 90,000 - 140,000; Full time

Job summary

LogicLine Innovation Inc is seeking an experienced Mainframe Developer for a remote permanent role. You will own mainframe design, development, and maintenance across COBOL, JCL, DB2, CICS, and VSAM, with emphasis on batch processing, debugging, and production support in a fast-paced enterprise environment.

The role requires 4–6+ years in mainframe development, strong production support skills, and eligibility to work in the US (visa options welcomed).

Qualifications

• Bachelor’s or Master’s degree in Computer Science or related field.
• 4–6+ years in enterprise mainframe development and production support.
• Strong COBOL, JCL, DB2, CICS, and VSAM expertise.
• Experience with batch processing, debugging, and performance tuning.
• Visa eligibility: H4 EAD, L2S, or OPT encouraged to apply.
• Authorized to work remotely and legally permitted.

Responsibilities

• Design, develop, test, and maintain mainframe applications using COBOL, JCL, DB2, CICS, and VSAM.
• Manage batch processing schedules and data transformations.
• Diagnose abends, fix production issues, and optimize performance in production.
• Collaborate with analysts, QA, and project managers; ensure SDLC compliance.
• Produce technical documentation, runbooks, and architecture logs.
• Support remote operations and coordinate with recruitment teams as needed.

Skills

COBOL

JCL

DB2

CICS

VSAM

Production support

Batch processing

SDLC

Visa eligibility

Education

Bachelor's or Master's in CS/IT

Tools

Jira

Confluence

ServiceNow

Git

CI/CD pipelines

Job description

Position Summary

Driving advanced legacy system modernization, enterprise mainframe development, and robust batch processing operations, LogicLine Innovation Inc is actively seeking an experienced Mainframe Developer for a permanent full-time remote professional engagement (Visa eligibility: H4 EAD, L2S, OPT). In this vital technical execution role, you will take full operational, tactical, and technical ownership of COBOL, JCL, DB2, CICS, and VSAM architectures, application development, maintenance, batch processing, and debugging. Bringing extensive professional experience in core mainframe environments and production support, you will empower an elite digital and technology solutions enterprise to achieve uncompromised system stability, secure transactional integrity, and superior legacy infrastructure performance. This prestigious career opportunity offers competitive remuneration, high-visibility enterprise exposure, and professional growth within a leading global technology staffing and software engineering enterprise.

Detailed Job Description

As a Mainframe Developer supporting LogicLine Innovation Inc on a remote professional basis, you will take full operational, tactical, and technical ownership of mainframe application design, legacy code maintenance, performance tuning, and cross-functional engineering collaboration. Your day-to-day responsibilities include designing, developing, and maintaining scalable enterprise mainframe applications utilizing COBOL, JCL, DB2, CICS, and VSAM, executing complex batch processing operations, debugging execution errors, and providing robust production support, conducting comprehensive software testing, troubleshooting, and performance optimization across legacy environments, collaborating proactively with business analysts, quality assurance teams, and project managers, and interacting directly with technical recruitment teams like Shilpa at LogicLine Innovation Inc. Furthermore, you will manage application requirements by submitting your updated resume via direct email to [e-mail].

Key Responsibilities

• Design, develop, test, maintain, and support robust enterprise applications utilizing COBOL, JCL, DB2, CICS, and VSAM technologies.
• Execute, monitor, and optimize complex batch processing schedules, job streams, and data transformation routines.
• Diagnose and troubleshoot execution abends, system errors, and performance bottlenecks in live production environments.
• Perform rigorous unit testing, system integration testing, and debugging across legacy mainframe architectures.
• Optimize database queries, table spaces, and index definitions within DB2 relational database management systems.
• Enforce rigorous software development life cycle (SDLC) best practices, code quality standards, and security compliance.
• Collaborate proactively with cross-functional software engineering squads, database administrators, and IT support teams.
• Maintain meticulous technical documentation, program specifications, JCL runbooks, and system architecture logs.

Required Qualifications & Skills

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline.
• Minimum of 4 to 6+ years of progressive professional hands‑on software development experience in enterprise mainframe environments.
• Strong, demonstrable operational expertise in COBOL programming, JCL scripting, DB2 database management, CICS transaction processing, and VSAM datasets.
• Comprehensive working knowledge and practical proficiency in mainframe application development and legacy code maintenance.
• Deep practical experience with batch processing execution, system debugging, and 24/7 production support.
• Proven hands‑on proficiency in software testing, systematic troubleshooting, and performance optimization.
• Visa eligibility welcome: H4 EAD, L2S, and OPT candidates are strongly encouraged to apply.
• Mandatory legal work authorization and physical availability for remote professional operations.

Nice‑to‑Have Skills

• Professional mainframe certifications such as IBM Certified Developer – Enterprise Modernization or IBM Certified System Programmer.
• Prior professional working experience supporting Tier‑1 global banking institutions, insurance carriers, or telecommunications providers.
• Hands‑on familiarity with modern CI/CD pipelines, Git version control, and DevOps integration for hybrid mainframe platforms.
• Experience utilizing enterprise agile tracking and IT service desk platforms (Jira, Confluence, ServiceNow).
• Active participation in mainframe user groups, IBM developer communities, or legacy system modernization forums.

Application Information

• Recruiter: LogicLine Innovation Inc Recruitment Division
• Contact Name: Shilpa (Technical Recruitment Specialist)
• Email: [e-mail]
• Phone:
• Company Website: https://www.logiclineinnovation.com
• Salary/Rate: Market Competitive / Enterprise Software Engineering Package
• Work Schedule: Remote Professional Operations
• Deadline: Open until filled (Urgent Remote Mainframe Developer Opening)
• Notice Period: Immediate to 30 Days Preferred
• Contract Duration: Permanent / Full-Time Employment (Remote)

Recruitment Pro Tip

When applying for this Mainframe Developer position with LogicLine Innovation Inc, ensure your resume explicitly highlights your COBOL/CICS tenure, batch processing optimization experience, and eligible visa status (H4 EAD, L2S, or OPT).