Remote Mainframe Engineer - COBOL & DB2 Expert

Ensono; Madison (WI); Remote; USD 97,000 - 115,000; Full time

Benefits offered by this job

Unlimited Paid Days Off

Health plan options

401k with company match

Fertility coverage

Education Reimbursement

Sabbatical leave

Wellness program

Flexible work schedule

Job summary

Ensono is seeking a skilled Mainframe Engineer to support, maintain, and enhance critical mainframe applications. The role requires deep expertise in COBOL, CICS, JCL, DB2, and VSAM, with strong SDLC and DevOps practices. You will act as a technical lead and guide junior team members.

Ideal candidates will have 3–5 years of specialized experience, perform performance tuning, and contribute to documentation and knowledge sharing across the team. Remote work within the United States is supported.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
• Extensive experience in mainframe development, support and maintenance.
• Proficiency in COBOL, JCL, CICS, DB2, VSAM; understanding of SDLC and version control tools.
• Strong problem-solving, analytical, and communication skills.
• US Citizen required.

Responsibilities

• Design, develop, and maintain Mainframe applications using COBOL, CICS, JCL, DB2, and VSAM.
• Support, maintain, and enhance a suite of mainframe applications.
• Provide technical troubleshooting and optimization for mainframe and DB2 queries.
• Create technical documentation for knowledge base and SOPs.
• Guide junior team members and act as a technical lead.

Skills

COBOL

JCL

CICS

DB2

VSAM

SDLC

Version control

Problem solving

Analytical skills

Communication

Education

Bachelor’s or Master’s in CS/IT

Job description

Ensono is seeking a skilled Mainframe Engineer to support, maintain, and enhance critical mainframe applications. The role requires deep expertise in COBOL, CICS, JCL, DB2, and VSAM, with strong SDLC and DevOps practices. You will act as a technical lead and guide junior team members.

Ideal candidates will have 3–5 years of specialized experience, perform performance tuning, and contribute to documentation and knowledge sharing across the team. Remote work within the United States is supported.