ATM Systems Engineer

Job Description

ATM Systems Engineer (Hybrid – Valparaiso, IN)

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Optomi, in partnership with a leading financial technology organization, is seeking an ATM Systems Engineer to support ATM software engineering, testing, configuration, and systems integration within a specialized ATM lab environment. This role will focus on installing and configuring ATM software, troubleshooting transaction and communication issues, analyzing ATM-to-payment-switch messaging, and validating software releases before deployment to customer environments. The ideal candidate has a strong background in ATM software engineering and payment processing technologies, with hands-on experience supporting platforms such as NCR, Diebold Nixdorf, or Hyosung.

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What the Right Candidate Will Enjoy!

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• The opportunity to work with specialized ATM technologies and software platforms!

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• Hands-on involvement in ATM software testing, deployments, and systems integration!

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• Working within a dedicated ATM lab containing approximately 8–10 physical ATM machines!

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• Collaborating with experienced ATM engineers and technical subject-matter experts!

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• The opportunity to take ownership of critical ATM support and engineering initiatives!

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Experience of the Right Candidate:

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• 3–4+ years of experience in ATM software engineering, ATM systems support, or ATM/payment systems integration.

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• Hands-on experience installing, configuring, troubleshooting, and supporting ATM software platforms.

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• Strong understanding of ATM-to-payment-switch communications, transaction messaging, and ATM message flows.

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• Experience working with ATM platforms such as NCR, Diebold Nixdorf, Hyosung, or similar providers.

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• Experience with ATM software deployments, upgrades, testing, and functionality validation.

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• Knowledge of Windows Server, Linux, and enterprise networking concepts.

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• Strong troubleshooting, analytical, and problem-solving skills.

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• Ability to work independently with minimal training while collaborating effectively with a small technical team.

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• Ability to work on-site in Valparaiso, IN approximately three days per week, with additional on-site support as needed.

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Key Responsibilities:

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• Install, configure, maintain, and troubleshoot ATM software platforms, operating systems, middleware, and transaction processing applications.

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• Support ATM software testing, downloads, upgrades, and release validation within the organization's dedicated ATM lab.

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• Analyze and troubleshoot ATM communication issues, transaction messaging, and connectivity between ATMs and payment switches.

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• Review ATM protocol messages and investigate transaction processing issues to identify root causes.

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• Validate software and firmware updates from ATM manufacturers, including Diebold and Hyosung, before approving releases for customer environments.

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• Support remote ATM configuration and software management activities.

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• Assist with ATM-to-switch integrations, secure connectivity, encryption, and key management processes.

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• Perform root cause analysis and implement corrective actions to address recurring software and communication issues.

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• Collaborate with ATM technicians, internal engineering teams, vendors, and application support teams to resolve technical issues.

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• Support ATM functionality testing and provide technical guidance to ATM technicians as needed.

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• Maintain technical documentation, configuration records, and operational procedures.

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• Support change management processes and ensure software updates are properly tested and validated before deployment.

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Preferred Qualifications:

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• Experience with NCR Activate Enterprise and/or Diebold Vista platforms.

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• Knowledge of ATM communication protocols, including NDC messaging.

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• Experience with ATM terminal driving, ATM simulators, or systems integration.

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• Familiarity with ISO 8583 messaging standards and electronic funds transfer (EFT) networks.

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• Experience with monitoring tools such as Prognosis or Gasper.

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• Experience with simulator tools such as Paragon or T3.

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• Knowledge of PCI-DSS, encryption, PKI, and ATM security configurations.

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• Experience with SQL Server, Oracle, PowerShell, or Bash.

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• Previous experience in banking, financial services, or payment processing environments.

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Work Environment:

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• Location: Valparaiso, IN

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• Schedule: Hybrid, approximately 3 days on-site per week (typically Tuesday–Thursday), with additional on-site support as needed.

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• Hours: Standard 40-hour workweek; overtime is not generally expected.

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• Team Structure: Works closely with the ATM engineering team, hiring manager, and ATM technicians within a small, collaborative environment.

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• Work Setting: Dedicated ATM lab environment; no regular travel to bank branches or customer locations is required.

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