Senior Systems Engineer — Payments Platform (COBOL/WebSphere)

19109 SPEEDPAY RD; Norcross (GA); Hybrid; USD 110,000 - 150,000; Full time

Job summary

ACI Worldwide is seeking a Senior Systems Engineer to support and enhance its enterprise payment systems. The role requires hands-on COBOL development, IBM WebSphere administration, and strong UNIX/Linux system skills on AIX and Linux.

You will collaborate with cross-functional teams to ensure stability, plan upgrades, and optimize performance on the MTS payments platform in a fast-paced environment.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, or related field (or equivalent experience).
• 5+ years of experience in application engineering or software development.
• Strong proficiency in COBOL and experience with legacy systems.
• Hands-on experience with IBM WebSphere Application Server.
• Solid understanding of AIX and Linux operating systems.
• Experience with the 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.
• Monitor application performance and implement tuning strategies.

Skills

COBOL

IBM WebSphere

AIX

Linux

MTS payments platform

Shell/Perl scripting

Incident management

Communication skills

Education

Bachelor’s degree in Computer Science or related field

Tools

IBM WebSphere Application Server

Job description

ACI Worldwide is seeking a Senior Systems Engineer to support and enhance its enterprise payment systems. The role requires hands-on COBOL development, IBM WebSphere administration, and strong UNIX/Linux system skills on AIX and Linux.

You will collaborate with cross-functional teams to ensure stability, plan upgrades, and optimize performance on the MTS payments platform in a fast-paced environment.