L2/L3 Payments Support Engineer - ACI/MTS

We are

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 14,500+, and has 58 offices in 21 countries within key global markets.

Our challenge

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 Base24 / MTS (Modular Transaction Switch) 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.

Additional Information*

The base salary for this position will vary based on geography and other factors. In accordance with law, the base salary for this role if filled within Charlotte, NC is $110k - $120k/year & benefits (see below).

The Role

Responsibilities:

• 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.
• Level 3 Responsibilities:
  • Deep-dive analysis on production incidents involving Base24, MTS, or switching components.
  • 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.

Requirements:

• 7+ years in Payments Support, including L2/L3 roles within enterprise banking environments.
• Base24 Classic / UP Framework.
• Modular Transaction Switch (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.

We offer:

• A highly competitive compensation and benefits package.
• A multinational organization with 58 offices in 21 countries and the possibility to work abroad.
• 10 days of paid annual leave (plus sick leave and national holidays).
• Maternity & paternity leave plans.
• A comprehensive insurance plan including medical, dental, vision, life insurance, and long-/short-term disability (plans vary by region).
• Retirement savings plans.
• A higher education certification policy.
• Commuter benefits (varies by region).
• Extensive training opportunities, focused on skills, substantive knowledge, and personal development.
• On-demand Udemy for Business for all Synechron employees