Atos
Atos
Atos provides digital transformation services and technology solutions for organizations across consulting, healthcare, logistics, and other industries. Its work spans cloud and infrastructure, digital business platforms, technology consulting, cybersecurity, user experience, and enterprise digital transformation. The company also supports major international events as an official IT partner, including UEFA and the Olympic Games, while advancing innovation and sustainability across its technology services.

Mainframe Application Developer - Phoenix, AZ Onsite

Support Atos’s secure, AI-powered digital services as a Mainframe Application Developer. Manage COBOL production support, incident resolution, deployments, and operational improvements.

Description

  • Deliver L1/L2 production support for mainframe applications
  • Monitor batch processing and resolve abends, failures, and application issues within SLA targets
  • Manage Incident, Problem, Change, and Release activities
  • Conduct thorough root cause analysis for recurring production issues
  • Troubleshoot COBOL, JCL, DB2, VSAM, CICS, and scheduling-tool issues
  • Coordinate issue resolution with business users, onsite personnel, and cross-functional support teams
  • Lead major incident response and bridge calls during critical production outages
  • Implement emergency fixes, production deployments, and validation procedures
  • Advance automation efforts and process improvements that increase operational efficiency
  • Create technical documentation, support runbooks, and knowledge management materials
  • Mentor junior team members and offer technical direction
  • Participate in required on-call and weekend support rotations

Requirements

  • At least five years of experience in mainframe development and production support projects
  • Strong hands-on proficiency with COBOL, JCL, DB2, CICS, and VSAM
  • Experience working in SLA-driven support environments
  • Knowledge of ITIL processes and service management practices
  • Experience in customer-facing roles and stakeholder communication
  • Willingness to participate in required on-call and weekend support rotations

Benefits

  • Diversity and inclusion are integrated into the company’s culture
  • Commitment to maintaining a fair work environment
  • Commitment to environmental, social, and governance initiatives and corporate social responsibility

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