Senior Systems Administrator/Operations Support Specialist - Toronto

We are seeking a highly accomplished Senior Systems Administrator/Operations Support Specialist for an enterprise contract opportunity based in Toronto. In this role, you will take on a premier systems administration, application operations, and enterprise HCM platform support capacity, specializing in the configuration, optimization, and sustainment of Oracle Fusion Recruiting Cloud (ORC) and Oracle Cloud HCM environments.As a Senior Systems Administrator/Operations Support Specialist, you will bridge the gap between human resources business operations, IT identity teams, and enterprise systems integration squads. Operating fully onsite in Toronto, you will lead day-to-day operations across multi-tier Oracle Cloud environments (Production, Test, Development, and Training), administer security models and role-based access control (RBAC), and support mission-critical interfaces via Oracle Integration Cloud (OIC) and Microsoft Entra ID. This position demands a technical operations authority with extensive hands‑on expertise in Oracle Fusion Recruiting Cloud administration, quarterly release management, and production incident resolution who can ensure platform availability, data security, and seamless recruitment workflows.Location: Toronto, ONAssignment Type: Onsite (5 days per week)Contract Duration: 10-month contract (with potential for extension)Advantages
Enterprise HCM Scope: Direct administration of Oracle Fusion Recruiting Cloud (ORC) and Oracle Core HR across multi-tier enterprise environments.Modern Integration Stack: Support and monitor Oracle Integration Cloud (OIC), REST/SOAP APIs, and Microsoft Entra ID (Azure AD) SSO integrations.Modern User Experience: Gain hands‑on exposure configuring Oracle Transaction Design Studio (TDS) and adopting Oracle Redwood UX components.High-Impact Operations: Drive production readiness, quarterly release assessments, and role-based access governance for large-scale enterprise systems.Responsibilities
Provide end-to-end systems administration, operational support, and system maintenance across Oracle Fusion Cloud multi-tier environments (Development, Test, Production, and Training).Administer, configure, and optimize Oracle Fusion Recruiting Cloud (ORC), including requisition templates, candidate selection workflows, career sites, talent pools, and offer management processes.Support, monitor, and troubleshoot integrations and data flows between Oracle Recruiting Cloud and enterprise systems utilizing Oracle Integration Cloud (OIC) and REST/SOAP web services.Administer enterprise identity management and Single Sign-On (SSO) integrations leveraging Azure AD / Microsoft Entra ID.Manage Oracle Cloud security administration, covering user provisioning, duty roles, custom data security policies, role-based access controls (RBAC), and segregation of duties.Oversee Oracle Cloud quarterly update cycles, conducting release readiness reviews, impact analyses, patch validation, regression testing, and environment refresh coordination.Configure business rules and user interfaces utilizing Oracle Transaction Design Studio (TDS) and support the adoption of the Oracle Redwood user experience.Execute data loading, data migration, and validation tasks using Oracle HCM Data Loader (HDL), HSDL, and Spreadsheet Loaders.Deliver Level 2 and Level 3 production application support, incident triage, root‑cause analysis, and defect resolution for recruiting and HR systems.Translate HR operational needs and recruitment business requirements into scalable Oracle Cloud system configurations and process enhancements.Maintain comprehensive system documentation, standard operating procedures, access matrices, and integration runbooks.Collaborate with HR business partners, technical teams, and external vendors to ensure system stability, compliance, and optimal workload performance.Qualifications
Core Systems Administration & Oracle Cloud Requirements
HCM Administration Tenure: Minimum 5+ years of dedicated experience administering and configuring enterprise Human Capital Management (HCM) platforms.Oracle Fusion Recruiting Cloud (ORC): Minimum 3+ years of direct, hands‑on administration and configuration experience with Oracle Fusion Recruiting Cloud.Oracle Integration Cloud (OIC): Hands‑on experience supporting, monitoring, and troubleshooting interfaces and integrations built on Oracle Integration Cloud.Identity Management & SSO: Demonstrated proficiency configuring and maintaining SSO, Azure AD / Microsoft Entra ID, and enterprise identity management integrations.Production Operations & Support: Proven background in production support, incident management, root‑cause analysis, and defect resolution for enterprise SaaS applications.Oracle HCM & Security Knowledge: In‑depth understanding of Oracle Core HR, Talent Management, Onboarding, and Oracle Cloud security architecture (RBAC, duty roles, and data security profiles).Release & Tenant Management: Practical experience managing Oracle quarterly release cycles, regression testing, environment refreshes, and tenant administration.Preferred Technical Assets & Capabilities
Data Migration & Tools: Practical knowledge of Oracle HDL (HCM Data Loader), HSDL, Fast Formulas, and Spreadsheet Loaders.UI Customization: Hands‑on experience configuring recruiting workflows using Oracle Transaction Design Studio (TDS) and Oracle Redwood UX.Standards & Accessibility: Awareness of modern digital workplace standards and Accessibility for Ontarians with Disabilities Act (AODA) compliance.Soft Skills & Delivery Attributes
Analytical Problem Solving: Superior diagnostic and operational troubleshooting skills to isolate configuration issues, interface failures, and data discrepancies.Stakeholder Engagement: Excellent verbal and written communication skills with the ability to gather business requirements and collaborate effectively across HR leadership, technical teams, and external partners.Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming;
Indigenous or Aboriginal Peoples;
persons with disabilities (visible or invisible) and;
members of visible minorities, racialized groups and the LGBTQ2+ community.Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle.This posting is for existing and upcoming vacancies.
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