Accellor

Accellor

Senior Mainframe Engineer

Michigan, United States · Senior

Sponsorship not specifiedDetected 21 days ago
Distributed SystemsCode ReviewCommunicationCollaborationProblem Solving

About the role

  • Accellor is an AI-native services firm purpose-built for the post-ChatGPT era.
  • Free from legacy constraints, we focus on delivering measurable business outcomes through advanced AI, data, and engineering capabilities.
  • If you enjoy solving complex technical challenges, working with large-scale enterprise systems, and delivering reliable, high-performing software, we'd love to hear from you.

Responsibilities

  • Design, develop, test, and maintain enterprise COBOL applications on IBM Mainframe platforms.
  • Develop and enhance batch and online transaction processing systems.
  • Analyze business and technical requirements to deliver scalable, reliable solutions.
  • Troubleshoot production issues and provide ongoing application support.
  • Optimize application performance and improve system stability.
  • Collaborate with cross-functional teams throughout the software development lifecycle.
  • Support modernization initiatives and integration with newer technologies while maintaining critical legacy systems.
  • Create and maintain technical documentation.
  • By leveraging design thinking and technology-agnostic architectures, we ensure faster time-to-value and seamless interoperability.
  • With a proven track record of enabling Fortune 100 enterprises and global innovators, Accellor stands as a trusted partner for organizations seeking to harness the full potential of AI.

Requirements

  • Strong hands-on experience with: COBOL JCL CICS DB2 VSAM Experience supporting enterprise-scale production applications.

Nice to have

  • Experience within the Banking, Financial Services, or Insurance (BFSI) industry.
  • Knowledge of financial transaction processing systems.
  • Experience with IBM z/OS.
  • Familiarity with tools such as File-AID, Abend-AID, Expeditor, Endevor, or Changeman.
  • Experience integrating mainframe applications with distributed systems or APIs.
  • Exposure to Agile development methodologies.
  • Experience supporting modernization or digital transformation initiatives.
  • COBOL JCL CICS DB2 VSAM Experience supporting enterprise-scale production applications.

Benefits

  • Our offerings span AI solutions, data services, enterprise applications, and product engineering, tailored to industry-specific needs across healthcare, life sciences, telecom, retail, financial services, and technology.

Company info

  • Our mission is to operationalize AI at scale and unlock sustained enterprise value.

This listing is sourced directly from Accellor's careers page and normalized into a canonical job model.