Senior Mainframe Engineer | COBOL, CICS, DB2 | Remote

Ensono

Des Moines (IA)

Remote

USD 97,000 - 115,000

Full time

14 days+

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Benefits offered by this job

Unlimited Paid Days Off

Three health plan options

401k with company match

Fertility coverage and adoption/surrog

Job summary

Ensono is seeking a skilled Mainframe Engineer to support, maintain, and enhance a suite of mainframe applications from a remote setting in the United States. The role requires 3-5 years of specialized experience with COBOL, CICS, JCL, DB2, and VSAM, plus a strong SDLC and DevOps mindset.

You will guide junior team members, handle incidents, service requests, and changes, and collaborate across agile and waterfall projects while optimizing performance and delivering high-availability enterprise

Qualifications

This role requires 3–5 years of mainframe development experience.
Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.
Proficiency in COBOL, JCL, CICS, DB2, and VSAM with SDLC knowledge.
Experience with ticketing systems and enterprise workflows is preferred.
US Citizenship or US Green Card required.

Responsibilities

Design, develop, and maintain Mainframe applications using COBOL, CICS, JCL, DB2, and VSAM.
Support, troubleshoot, and optimize critical mainframe applications.
Guide junior team members and lead technical initiatives.
Handle incidents, service requests, and change requests in a controlled manner.
Develop technical documentation and SOPs for support teams.