L2/L3 Payments Support Engineer

As part of our dedicated payment operations support team , we are seeking a highly skilled L2/L3 Payments Support Engineer with hands-on experience in ACI MTS (Money Transfer System) platforms. The role is critical to ensuring the resilience, integrity, and continuous availability of high-volume payment processing systems including ACH, Wire, Card Payments, Real-Time Payments (RTP), and Digital Wallet transactions. Candidate will collaborate with application support, infrastructure, and payment operations teams to maintain service levels and respond to critical issues, while working closely with vendors.

• Level 2 Responsibilities:
  • Monitor transaction flows (ATM, POS, Online, RTP) and proactively resolve payment disruptions.
  • Handle incidents, service requests, and escalations within defined SLAs.
  • Coordinate with infrastructure teams for patch management, capacity issues, or system upgrades.
  • Support change control processes for deployments across non-prod and prod environments.
  • for deployments across non-prod and prod environments.
• Level 3 Responsibilities:
  • Deep-dive analysis on production incidents involving MTS (Money Transfer System).
  • Review and optimize transaction routing, message parsing (ISO 8583), and settlement interfaces.
  • Debug source code (if applicable) or configuration scripts and interface logs.
  • Drive problem management and post-incident reviews with full RCA documentation.
  • Liaise with ACI or third-party vendors for code-level fixes and updates.
  • Collaborate on compliance and security tasks including PCI-DSS, fraud alert handling, and audit support.

• 7+ years in Payments Support, including L2/L3 roles within enterprise banking environments.
• Money Transfer System (MTS).
• ISO 8583 / XML / JSON payment messages.
• Card processing systems (debit/credit, EMV, tokenization).
• ACH, Wire, and RTP flows.
• Middleware and interfaces (e.g., MQ, APIs, TCP/IP).
• Unix/Linux administration.
• Shell/PERL scripting.
• SQL and relational databases.
• Familiar with tools like Splunk, AppDynamics, ELK, Control-M, etc.