Sr. IT Engineer, Systems Integration

Rush Street Interactive

17h•$110,000 - $120,000•Remote

About The Position

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.

Requirements

Bachelor's Degree in Computer Science, Information Systems or related field, or an equivalent Associate’s degree combined with relevant certifications.
6+ years of hands-on experience in IT engineering, with a strong focus on systems integration and API development.
Deep proficiency with REST APIs, including API design, authentication patterns (OAuth 2.0, API keys, JWT), JSON/XML data formats, and related tools (e.g. Postman).
Proven experience integrating enterprise SaaS platforms (e.g., Okta, Workday, Salesforce, Slack, Atlassian, Microsoft 365) with custom and third-party systems.
Familiarity with cloud infrastructure (AWS, Azure, GCP).
Basic proficiency in scripting or programming languages (Python, PowerShell, JavaScript/Node.js) for automation and integration scripting.
Strong system administration experience with Microsoft 365 (Azure AD/Entra, Exchange Online, Intune, SharePoint) and/or other enterprise platforms.
Strong analytical and troubleshooting skills with the ability to diagnose complex cross-system issues independently.
Excellent written and verbal communication skills, with the ability to document technical concepts clearly for both technical and non-technical audiences.
A strong sense of ownership and a proactive, problem-solving mindset.
Able to travel occasionally both domestically and internationally

Responsibilities

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.