Senior Application Support Specialist – OT Exstream & Mainframe

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

We are looking for a Senior Specialist - Application Support with strong experience in OT Exstream and Mainframe technologies to join our team.

Role Overview

In this role, you will work independently on OT Exstream and Mainframe initiatives, supporting the complete application lifecycle, from requirement analysis and development to testing and production support.

Key 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.

Required Skills

• 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.

Nice to Have

• UNIX
• Control-M or AutoSys
• Requirement gathering and solution design experience
• Coding and unit testing experience

#Hiring #OTExstream #MainframeJobs #COBOL #JCL #CICS #ApplicationSupport #TechJobs #LTIMindtree #NowHiring