Senior Systems Engineer - Payments Platform (COBOL/WebSphere)

ACI Worldwide in; Norcross (GA); On-site; USD 110,000 - 140,000; Full time

Job summary

ACI Worldwide is seeking a Senior Systems Engineer in Norcross, GA or Omaha, NE to support and enhance enterprise payment systems. The role focuses on COBOL development, IBM WebSphere deployment, and administration on AIX/Linux environments within a high-volume MTS platform.

The ideal candidate has hands-on experience with COBOL, IBM WebSphere, and modern Unix-like systems, plus strong collaboration skills to work with cross-functional teams and drive system reliability and upgrades.

Qualifications

• Bachelor's degree in CS, IS, or related field or equivalent experience.
• 5+ years of experience in application engineering or software development.
• Strong proficiency in COBOL and legacy systems.
• Hands-on experience with IBM WebSphere Application Server.
• Solid understanding of AIX and Linux operating systems.
• Experience with MTS payments platform or similar transaction processing systems.
• Familiarity with scripting languages (Shell, Perl) and job scheduling tools.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration abilities.

Responsibilities

• Support, maintain, and enhance applications running on the MTS payments platform.
• Develop and troubleshoot COBOL programs and batch jobs in a high-volume transaction environment.
• Manage and deploy applications using IBM WebSphere Application Server.
• Perform system administration tasks on AIX and Linux servers related to application support.
• Collaborate with infrastructure, security, and development teams to ensure system reliability and compliance.
• Participate in incident management and root cause analysis for production issues.
• Document technical processes, configurations, and procedures.
• Assist in planning and executing application upgrades and migrations.

Skills

COBOL

MTS payments platform

AIX

Linux

Shell scripting

Perl scripting

Education

Bachelor's degree in Computer Science, Information Systems, or related field

Tools

IBM WebSphere Application Server

Job description

ACI Worldwide is seeking a Senior Systems Engineer in Norcross, GA or Omaha, NE to support and enhance enterprise payment systems. The role focuses on COBOL development, IBM WebSphere deployment, and administration on AIX/Linux environments within a high-volume MTS platform.

The ideal candidate has hands-on experience with COBOL, IBM WebSphere, and modern Unix-like systems, plus strong collaboration skills to work with cross-functional teams and drive system reliability and upgrades.