What are the responsibilities and job description for the Senior Mainframe Modernization Engineer position at Hector Systems Inc?
Hector Systems Inc. is seeking Senior Mainframe Modernization Engineers to support a long-term Federal modernization program in Baltimore, MD. We are looking for experienced professionals with deep expertise in COBOL, JCL, CICS, DB2, VSAM, legacy application modernization, Java, Python, REST APIs, cloud migration, and enterprise modernization initiatives.
This position requires 100% onsite work (5 days/week) in Baltimore, MD.
Responsibilities- Analyze existing mainframe applications, business logic, batch jobs, interfaces, and data flows.
- Lead and support legacy modernization initiatives including application migration, code conversion, refactoring, and re-platforming.
- Modernize COBOL, JCL, CICS, DB2, VSAM, and IMS applications into Java, Python, REST APIs, microservices, or cloud-ready platforms.
- Collaborate with architects, developers, business analysts, QA teams, and federal stakeholders to define modernization strategies.
- Document current-state and future-state architecture, interface specifications, business rules, and migration plans.
- Support data migration, API enablement, batch modernization, and integration with modern enterprise platforms.
- Participate in code reviews, unit testing, system testing, performance validation, and production implementation.
- Identify technical risks, modernization opportunities, and optimization strategies for legacy systems.
- 10 years of professional IT experience.
- Strong hands-on experience with COBOL, JCL, CICS, DB2, VSAM, IMS, or other IBM mainframe technologies.
- Proven experience in Mainframe Modernization, Legacy Transformation, Application Migration, or Code Conversion projects.
- Experience integrating or converting mainframe applications using Java, Python, REST APIs, Microservices, or Cloud technologies.
- Strong understanding of batch processing, online transaction processing (OLTP), file processing, and database access patterns.
- Experience with DB2, relational databases, data migration, and interface modernization.
- Ability to analyze legacy code, extract business rules, and document system behavior.
- Excellent communication, problem-solving, and client-facing skills.
- Experience working in Agile/Scrum environments.
- Experience supporting Federal, State Government, Financial Services, Healthcare, or large Enterprise modernization programs.
- Experience with Cloud Migration (AWS, Azure, or GCP).
- Knowledge of CI/CD pipelines, DevOps, Git, and automated deployment processes.
📍 Baltimore, MD – 100% Onsite (5 Days/Week)
❌ Remote and Hybrid work are not available.
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