Sr. IT Engineer, Systems Integration

Rush Street Interactive (NYSE: RSI) is a market leader in online casino and sports betting, currently operating real-money gaming with our brands: BetRivers.com, PlaySugarHouse.com, and RushBet.co. We’re building bridges between online, social and land-based gaming businesses to create amazing, integrated experiences that keep players in the game.

The Senior IT Engineer – Systems Integration is responsible for designing, building, and maintaining integrations across the organization's diverse technology stack. This role serves as a technical bridge between internal systems, third-party platforms, and cloud services, ensuring seamless data flow, process automation, and operational efficiency. The ideal candidate brings deep expertise in REST APIs, middleware platforms, and enterprise system administration, with a track record of delivering robust integrations in complex, multi-system environments. You will collaborate closely with Engineering, Product, IT, and business stakeholders to drive integration strategy and elevate the organization's technical capabilities.

What You'll Do:

• Design, develop, and maintain integrations between internal platforms, SaaS applications, identity systems, HRIS, communication tools, and other enterprise systems using REST APIs, webhooks, and middleware solutions.
• Serve as the organization's subject matter expert for API-based connectivity, owning the integration architecture and ensuring scalability, reliability, and security of all integration points.
• Administer and optimize core IT systems including Microsoft 365 (Azure AD/Entra ID, Exchange Online, SharePoint, Intune), Okta or equivalent SSO/IdP platforms, AWS, and other enterprise applications.
• Build and maintain automated workflows and data pipelines to reduce manual effort, improve consistency, and enable real-time data sharing across business units.
• Collaborate with Engineering, Security, and Operations teams to ensure integrations adhere to security best practices.
• Monitor integration health, proactively troubleshoot failures, and maintain alerting and logging for all critical integration workflows.
• Create and maintain comprehensive technical documentation including integration maps, API inventories, runbooks, and architecture diagrams.
• Mentor junior IT staff, providing technical oversight and sharing best practices in integration design and system administration.
• Ensure compliance with relevant regulations and standards (e.g., GDPR, ISO-27001, PCI-DSS) across all systems and integrations.
• Act as an escalation point for complex cross-system technical issues, taking ownership through to resolution.
• Ensure consistent availability of IT services, with flexibility to support internal business partners across multiple time zones.

What You'll Bring:

• Bachelor's Degree in Computer Science, Information Syste