Technical Support Engineer – IST Switch, ATM & Payment Systems | Dubai, UAE

Uasmart; Dubai; On-site; AED 180,000 - 300,000; Full time

Job summary

Uasmart in Dubai is seeking a skilled Technical Support Engineer to provide L2/L3 production support for IST Switch, ATM, and payment systems in enterprise banking environments. You will monitor transaction flows, switch performance, and system health; perform ISO 8583 analysis and troubleshooting; and support Linux‑based payment environments.

Collaborate with vendors and banking stakeholders during incidents, maintain technical docs, and support PCI‑DSS and security standards while pursuing

Qualifications

• Proven experience in technical support for IST Switch, ATM, and payment systems.
• Strong knowledge of ATM, card management, acquiring, and issuing environments.
• Hands-on ISO 8583 message analysis and transaction troubleshooting.
• Knowledge of ATM and POS protocols, including NDC/DDC.
• Experience with payment system monitoring and production support.
• Strong troubleshooting and incident management skills.
• Experience supporting deployments, patches, configuration changes, and system upgrades.
• Understanding of PCI-DSS and banking security standards.
• Willingness to participate in on-call and critical incident support.
• Immediate joiners or candidates available within 30 days are preferred.

Responsibilities

• Provide L2/L3 technical support for IST Switch and payment systems.
• Monitor transaction flows, switch performance, system availability, logs, and application health.
• Troubleshoot transaction failures, authorization issues, settlement discrepancies, and connectivity incidents.
• Analyze ISO 8583 messages and transaction flows.
• Support ATM, POS, card management, acquiring, and issuing environments.
• Work with ATM and POS protocols, including NDC/DDC and device integrations.
• Perform root cause analysis and implement corrective and preventive actions.
• Support Linux-based payment environments.
• Perform database queries, transaction analysis, and reconciliation support.
• Support deployments, configuration changes, patches, and system upgrades.
• Coordinate with vendors, card schemes, banking stakeholders, and internal teams during production incidents.
• Support compliance with PCI-DSS and banking security standards.
• Participate in on‑call and critical incident support activities.
• Maintain appropriate technical documentation and incident records.

Skills

L2/L3 production support

ISO 8583 analysis

ATM/POS protocols

Incident management

Linux-based payments

DB query & reconciliation

Vendor coordination

On-call support

Job description

Location

Dubai, United Arab Emirates

Job Category

• Information Technology (IT) & Software
• Banking & Insurance
• Engineering & Technical
• Telecommunications
• Customer Service & Support

Job Overview

An organization in Dubai is seeking a skilled Technical Support Engineer with strong experience in IST Switch, ATM, and payment systems. The role is suited to technology professionals experienced in L2/L3 production support, payment transaction troubleshooting, card management, acquiring and issuing systems, and enterprise banking environments.

The successful candidate will monitor payment transaction flows, switch performance, system availability, application health, and production environments. The position requires hands‑on knowledge of ISO 8583 message analysis, ATM and POS protocols, Linux‑based payment environments, database queries, transaction reconciliation, incident management, and root cause analysis.

This opportunity provides strong potential for career growth and professional development within the banking and payments technology sector. Professionals can expand their expertise in payment infrastructure, ATM technologies, banking security, PCI‑DSS compliance, transaction processing, production support, and critical incident management.

Key Responsibilities

• Provide L2/L3 technical support for IST Switch and payment systems.
• Monitor transaction flows, switch performance, system availability, logs, and application health.
• Troubleshoot transaction failures, authorization issues, settlement discrepancies, and connectivity incidents.
• Analyze ISO 8583 messages and transaction flows.
• Support ATM, POS, card management, acquiring, and issuing environments.
• Work with ATM and POS protocols, including NDC/DDC and device integrations.
• Perform root cause analysis and implement corrective and preventive actions.
• Support Linux-based payment environments.
• Perform database queries, transaction analysis, and reconciliation support.
• Support deployments, configuration changes, patches, and system upgrades.
• Coordinate with vendors, card schemes, banking stakeholders, and internal teams during production incidents.
• Support compliance with PCI-DSS and banking security standards.
• Participate in on‑call and critical incident support activities.
• Maintain appropriate technical documentation and incident records.

Requirements & Qualifications

• Proven experience in technical support for IST Switch, ATM, and payment systems.
• Strong knowledge of ATM, card management, acquiring, and issuing environments.
• Hands‑on experience with ISO 8583 message analysis and transaction troubleshooting.
• Knowledge of ATM and POS protocols, including NDC/DDC.
• Experience with payment system monitoring and production support.
• Strong troubleshooting and incident management skills.
• Experience with Linux-based payment environments.
• Knowledge of database queries, transaction analysis, and reconciliation.
• Experience supporting deployments, patches, configuration changes, and system upgrades.
• Understanding of PCI-DSS and banking security standards.
• Strong communication and coordination skills.
• Ability to work effectively with vendors, banking stakeholders, card schemes, and internal teams.
• Willingness to participate in on‑call and critical incident support.
• Immediate joiners or candidates available within 30 days are preferred.

Salary, Benefits & Career Growth

Salary and compensation details have not been provided by the employer and therefore are not listed.

Career Growth & Professional Development:

• Opportunity to work in the banking and payment technology sector.
• Exposure to enterprise payment switches, ATM, POS, and card‑processing environments.
• Opportunity to strengthen expertise in ISO 8583, payment infrastructure, Linux, and transaction troubleshooting.
• Professional development through production support, incident management, RCA, and payment security practices.
• Exposure to PCI‑DSS and banking technology standards.