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Sr. COBOL/CICS/DB2 Developer

Job

Sierra7

Remote

Full-Time

Posted 1 week ago (Updated 6 days ago) • Actively hiring

Expires 7/19/2026

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Job Description

Sr.
COBOL/CICS/DB2
Developer at Sierra7 Sr.
COBOL/CICS/DB2
Developer at Sierra7 in LANHAM, Maryland Posted in 5 days ago.
Type:
Full-Time Job Description:
The Sr.
COBOL/CICS/DB2
Developer will leverage your deep expertise in mainframe technologies to develop, enhance, and optimize applications that power our core business operations. You ensure the stability, efficiency, and continuous improvement of vital systems, directly impacting our ability to deliver essential services and innovate for the future. You join a dedicated team that values precision, problem-solving, and a commitment to excellence in a high-impact environment. This position is Hybrid with 25% travel to New Carrollton in Lanham, MD and 75% being fully remote. Job Duties and Responsibilities Develops and maintains robust and scalable applications using COBOL, CICS, and DB2 for core business functions.

Leads mainframe development initiatives, from initial design and architecture through to implementation and deployment.

Utilizes TSO/ISPF, VSAM, and MVS environments effectively to manage, monitor, and troubleshoot mainframe systems and applications.

Performs advanced application design and architecture for new features, system enhancements, and modernization efforts.

Conducts in-depth troubleshooting to diagnose and resolve complex technical issues within legacy systems, ensuring minimal disruption.

Applies expert performance tuning techniques to optimize mainframe based applications, guaranteeing high availability and responsiveness.

Collaborates with cross-functional teams to understand business requirements and translate them into technical solutions.

Mentors junior developers, sharing knowledge and best practices in mainframe technologies.

Contributes to the continuous improvement of development processes and standards.