Senior IT Systems Engineer – Kildare

Senior IT Systems Engineer – Kildare

A long-established organisation operating within the retail and digital services sector, supporting a large network of business users, suppliers, and operational teams across Ireland. The business has invested significantly in modernising its technology landscape and continues to expand its internal systems and digital capabilities. This is an excellent opportunity to join a highly stable company with low attrition, a very solid technical team, and a collaborative working culture.

The Opportunity

We are seeking a Senior IT Engineer with strong experience across systems support, integrations, infrastructure troubleshooting, and operational IT delivery. This is a broad technical role supporting both day-to-day operations and ongoing platform initiatives across multiple business systems and third-party technologies. The successful candidate will work closely with internal stakeholders and external vendors while supporting integrations, automation workflows, reporting processes, and business-critical platforms. The role would suit someone comfortable working independently in a fast-moving environment with a mix of operational support and project delivery responsibilities.

Onsite full time during probation – reduced to 4 days a week after probation

Benefits: Bonus + Pension

Key Responsibilities

• Support and troubleshoot business-critical systems, integrations, and operational platforms
• Investigate issues across Microsoft 365, identity management, email routing, APIs, and third-party systems
• Maintain and enhance internally developed integrations using PHP, MySQL, and Linux-based workflows
• Monitor automation processes, scheduled jobs, and data flows between systems
• Coordinate with external technology vendors and managed service providers to resolve technical issues
• Support platform and digital transformation initiatives across eCommerce, reporting, automation, and operational systems
• Assist with onboarding workflows, supplier integrations, and structured data management
• Maintain technical documentation, troubleshooting records, and system process maps
• Provide operational continuity and technical oversight when required

Skills & Experience Required

• 5+ years’ experience in systems support, infrastructure, or integration-focused IT roles
• Strong troubleshooting and problem-solving skills across multiple technologies and environments
• Experience supporting Microsoft 365 environments and business-critical platforms
• Hands-on experience with PHP, MySQL, Linux/Ubuntu environments, and automation workflows
• Exposure to REST APIs, JSON/XML data exchange, and system integrations
• Understanding of DNS, email routing, authentication, and identity-related technologies
• Experience coordinating third-party vendors and managing technical escalations
• Familiarity with ERP or finance-related systems would be beneficial
• Comfortable working independently with strong communication and stakeholder management skills