ATM QA(POS TESTING/ BASE 24)

Envision Technology Solutions; Columbus (OH); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Envision Technology Solutions in Columbus, OH is seeking a Senior Testing Analyst to own end-to-end ATM transaction validation, certification, and automation efforts within our payment switch environment. You will validate ISO 8583 messaging, configure ACI Base24-eps, and drive automated regression using ASSET simulations.

Responsibilities include testing ATM device handlers, managing test environments, and collaborating with cross-functional teams to ensure high availability of the core banking

Qualifications

• Strong understanding of payment processing and ISO 8583 messaging.
• Hands-on experience with ACI Base24-eps configuration.
• Experience with ASSET simulator for ATM and host testing, plus automated testing scripts.
• Experience testing ATM device handlers and hardware-switch handshakes.

Responsibilities

• ATM Device Handler & Switch Testing: Execute end-to-end test cases on ATM device handlers and Base24-eps switch configurations.
• Automation Framework Execution: Build, execute, and maintain automated regression suites using ASSET simulator.
• Transaction Validation: Validate ISO 8583 messages across card brands for integrity.
• Environment Readiness: Configure and manage test environments including switch parameters and simulator configurations.
• Defect Management: Track defects in Base24-eps ecosystem and perform root-cause analysis.

Skills

ATM testing

ISO 8583

Payment processing

Automation

Tools

ACI Base24-eps

ASSET simulator

Paragon ASSET

Job description

Columbus, OH (Initially 3 Months onsite then remote)

ATM Testing is primary skills.

Position Overview

We are seeking a skilled Senior Testing Analyst with deep hands-on experience in validating and certifying ATM and payment switch environments using ACI Base24-eps, ASSET simulation tools, and advanced automation frameworks.

The ideal candidate will have a strong understanding of the payment processing lifecycle, ISO 8583 messaging, and complex ATM device handler configurations. You will be responsible for end-to-end testing of ATM transactions, ensuring seamless payment experiences, and maintaining high availability within our core banking infrastructure.

Key Responsibilities

• ATM Device Handler & Switch Testing: Execute end-to-end test cases on ATM device handlers and Base24-eps switch configurations. Validate the successful interaction between the terminal, the switch, and the host.
• Automation Framework Execution: Utilize the Paragon ASSET simulator to build, execute, and maintain automated regression suites. Shift from manual testing to scalable, high-volume automated transaction simulation.
• Transaction Validation: Validate complex financial transactions across multiple card brands (Visa, Mastercard, Discover, Interac) ensuring integrity in ISO 8583 message formatting and bitmap data.
• Environment Readiness: Configure and manage test environments, including updating ATM switch parameters, device handler versions, and simulator configurations.
• Defect Management: Identify, document, and track defects within the Base24-eps ecosystem using standard defect management tools; perform root-cause analysis on failed transactions.

Required Skills & Experience

• Core Payments Knowledge: Strong understanding of payment processing systems, credit card transaction flows, and ISO 8583 standards.
• Technical Expertise: Proven, hands-on experience with ACI Base24-epsconfiguration and environment management.
• Simulation & Automation: Expert-level experience with ASSET simulator for ATM and host simulation, and experience writing/maintaining automated test scripts.
• ATM Testing: Significant experience in testing ATM device handlers and troubleshooting the communication handshake between hardware and the payment switch.

Collaboration: Ability to work collaboratively with cross-functional teams to ensure the stability of the payment infrastructure.