Credit Card Technical Consultant
NowWiN International
5 - 10 years
Chennai
Posted: 19/02/2026
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Job Description
Location: Muscat, Oman (Onsite)
Industry: Banking / Financial Services
Experience Required: 12+ Years
We are looking for an experienced Credit Card Technical Consultant with strong hands-on expertise in TSYS PRIME/ONLINE and Postilion Switch to manage and support mission-critical payment systems within a leading bank in Oman.
This role focuses on credit card systems, POS acquiring, payment integrations, compliance, and technical project delivery.
Key Responsibilities- Perform system changes, patch implementation, configuration, and technical testing for credit card and POS acquiring systems
- Participate in projects and Change Requests (CRs) including requirement discussions, design reviews, and system implementation
- Execute regression, performance, ISO, UAT, and certification testing using Visa/Mastercard/Amex simulators
- Support integration with TSYS PRIME/ONLINE and core banking systems
- Maintain test environments and support compliance-driven releases
- Manage incidents and perform root cause analysis (RCA)
- Coordinate with vendors and internal IT teams for upgrades and issue resolution
- Ensure compliance with PCI-DSS, ISO 27001, and regulatory standards
- Support audits, documentation, and remediation activities
- Bachelors degree in IT / Computer Science or related field
- 12+ years of application support experience
- 6+ years in payment systems domain
- Strong hands-on experience in TSYS PRIME/ONLINE
- Hands-on experience with Postilion Switch
- Strong knowledge of Visa/Mastercard payment flows and ISO 8583
- Experience in compliance, certification, and regulatory environments
- Strong analytical and stakeholder management skills
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