Senior OT Exstream & Mainframe Support Specialist

LTM; Toluca; On-site; MXN 600,000 - 800,000; Full time

Job summary

LTM is seeking a Senior Specialist - Application Support with strong OT Exstream and Mainframe expertise to join our team in Toluca. You will own end-to-end support across the application lifecycle, from requirements analysis through testing and production support.

The role requires 7–11 years of experience in application support, hands-on OT Exstream experience, COBOL, JCL and CICS, plus excellent communication to coordinate with cross-functional teams.

Qualifications

• 7-11 years of experience in Application Support.
• Minimum 3 years of hands-on experience with OT Exstream.
• Solid knowledge of COBOL and JCL.
• Experience with CICS.
• Strong communication skills and ability to work independently.

Responsibilities

• Work independently on OT Exstream and Mainframe projects.
• Gather and analyze business and technical requirements.
• Design, build, code, and unit test application enhancements.
• Provide testing and production support.
• Troubleshoot and deliver solutions using COBOL, CICS, and JCL.
• Collaborate with cross-functional teams and communicate progress and risks effectively.

Skills

Application Support

OT Exstream

Mainframe

COBOL

JCL

CICS

Communication

Tools

UNIX

Control-M

AutoSys

Job description

LTM is seeking a Senior Specialist - Application Support with strong OT Exstream and Mainframe expertise to join our team in Toluca. You will own end-to-end support across the application lifecycle, from requirements analysis through testing and production support.

The role requires 7–11 years of experience in application support, hands-on OT Exstream experience, COBOL, JCL and CICS, plus excellent communication to coordinate with cross-functional teams.