Senior Mainframe Developer — Production Support & Automation

Atos; Phoenix (AZ); On-site; USD 100,000 - 125,000; Full time

Job summary

Atos is seeking an experienced Mainframe Production Support professional in Phoenix, AZ. You will apply hands-on COBOL/JCL/DB2/CICS/VSAM skills to maintain and optimize critical mainframe applications, monitor batch jobs, and resolve incidents within SLA.

Responsibilities include leading major incidents, coordinating with on-site and cross-functional teams, performing RCA, and driving automation and process improvements.

Qualifications

• 5+ years of experience in Mainframe development and production support.
• Hands-on COBOL, JCL, DB2, CICS, VSAM expertise.
• Provide L1/L2 production support for mainframe applications.
• Monitor batch jobs, resolve abends and issues within SLA.
• Manage incidents, problems, changes, and releases.
• Perform root cause analysis for recurring issues.
• Troubleshoot COBOL, JCL, DB2, VSAM, CICS, and scheduling tools.
• Coordinate with business users and cross-functional teams.
• Lead Major Incident Management and bridge calls for outages.
• Execute emergency fixes, deployments, and validation.
• Drive automation and continuous process improvements.
• Prepare runbooks and knowledge management artifacts.
• Mentor junior team members and provide guidance.
• Participate in on-call and weekend rotations.
• Experience with SLA-driven support environments and ITIL.

Responsibilities

• Lead major incident management and bridge calls for critical outages.
• Coordinate with onsite and cross-functional teams to resolve issues.
• Coordinate deployments and ensure validation of changes.
• Mentor junior staff and share technical guidance.
• Prepare runbooks and knowledge base documentation.

Skills

Mainframe development

Production Support

COBOL

JCL

DB2

CICS

VSAM

L1/L2 support

Incident Management

Problem Management

Change Management

Release Management

Root Cause Analysis

Automation

Documentation

Mentoring

On-call rotation

ITIL processes

Stakeholder communication

Job description

Atos is seeking an experienced Mainframe Production Support professional in Phoenix, AZ. You will apply hands-on COBOL/JCL/DB2/CICS/VSAM skills to maintain and optimize critical mainframe applications, monitor batch jobs, and resolve incidents within SLA.

Responsibilities include leading major incidents, coordinating with on-site and cross-functional teams, performing RCA, and driving automation and process improvements.