Mainframe Developer (COBOL & Modernization)

Ampcus, Inc; Wilmington (DE); On-site; USD 90,000 - 120,000; Full time

Job summary

Ampcus, Inc. is looking for a Mainframe Developer (COBOL & Modernization) to enhance legacy applications and contribute to modernization initiatives. The candidate will design, develop, and maintain COBOL applications, collaborate with teams for migration projects, and document processes. Essential qualifications include proven COBOL programming experience, understanding legacy systems, and good problem-solving skills. This role requires working onsite in Wilmington, DE, 5 days a week.

Qualifications

• Proven experience in COBOL programming and mainframe environments.
• Strong understanding of legacy system architecture and integration points.
• Exposure to modernization tools and approaches.

Responsibilities

• Design, develop, test, and maintain COBOL-based applications on mainframe systems.
• Analyze existing code to identify optimization opportunities.
• Collaborate with teams to migrate legacy applications to modern platforms.

Skills

COBOL programming

Mainframe environments (z/OS, JCL, DB2, CICS)

Collaboration skills

Problem-solving skills

Communication skills

Tools

Modernization tools

Cloud platforms

DevOps practices

Job description

Job Title: Mainframe Developer (COBOL & Modernization)

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.

Location: Wilmington, DE (5 days a week onsite)

Job Description

Overview

We are seeking an experienced Mainframe Developer with strong expertise in COBOL programming and exposure to modernization initiatives. This role involves maintaining and enhancing legacy mainframe applications while contributing to projects that transition systems toward modern architectures and technologies.

Key Responsibilities

• Design, develop, test, and maintain COBOL-based applications on mainframe systems.
• Analyze existing code and business logic to identify opportunities for optimization and modernization.
• Collaborate with cross-functional teams to migrate legacy applications to modern platforms (e.g., cloud, microservices, APIs).
• Provide technical support, troubleshoot issues, and ensure system reliability and performance.
• Document processes, code changes, and modernization strategies for knowledge sharing.
• Participate in code reviews, quality assurance, and compliance with organizational standards.

Qualifications

• Proven experience in COBOL programming and mainframe environments (z/OS, JCL, DB2, CICS).
• Strong understanding of legacy system architecture and integration points.
• Exposure to modernization tools and approaches (e.g., re-platforming, re-hosting, API enablement).
• Familiarity with newer technologies such as Java, .NET, or cloud platforms is a plus.
• Excellent problem-solving skills and ability to work in collaborative team settings.
• Strong communication skills to interact with business stakeholders and technical teams.

Preferred Experience

• Hands-on involvement in mainframe modernization projects.
• Knowledge of DevOps practices and CI/CD pipelines in hybrid environments.
• Experience with performance tuning and large-scale system migrations.

Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.