Remote Mainframe Engineer — COBOL/CICS/DB2 Expert

Ensono; Nashville (TN); Remote; USD 97,000 - 115,000; Full time

Benefits offered by this job

Unlimited PTO

Health plans

401k match

Dental & Vision

Job summary

Ensono is seeking a skilled Mainframe Engineer to support, maintain, and enhance critical mainframe applications. You will guide junior team members and drive technical initiatives across COBOL, CICS, JCL, DB2, and VSAM in a remote-capable environment.

The role requires 3-5 years of domain experience, with agile and DevOps practices, plus strong problem-solving and communication skills. A bachelor’s or master’s degree in a related field is expected.

Qualifications

• Bachelor’s or Master’s in Computer Science, Information Technology, or a related field.
• Extensive experience in mainframe application development, support and maintenance.
• Proficiency in COBOL, JCL, CICS, DB2, and VSAM; strong SDLC and version-control tooling.
• Strong problem-solving and analytical skills; excellent communication.

Responsibilities

• Design, develop, and maintain Mainframe applications using COBOL, CICS, JCL, DB2 and VSAM.
• Experience with enterprise ticketing systems (ServiceNow, Service Manager) and operational workflows.
• Work on both waterfall and agile projects; handle incidents, service requests and changes.
• Provide technical troubleshooting and resolution for complex applications and integrations.
• Conduct performance tuning and optimization of mainframe apps and DB queries.
• Create technical documentation (KB articles, SOPs) for business and support teams.
• Translate functional and technical requirements into implementable options aligned with business needs.

Skills

COBOL

JCL

CICS

DB2

VSAM

SDLC

Version control

Education

Bachelor's/Master's in CS/IT

Job description

Ensono is seeking a skilled Mainframe Engineer to support, maintain, and enhance critical mainframe applications. You will guide junior team members and drive technical initiatives across COBOL, CICS, JCL, DB2, and VSAM in a remote-capable environment.

The role requires 3-5 years of domain experience, with agile and DevOps practices, plus strong problem-solving and communication skills. A bachelor’s or master’s degree in a related field is expected.