Job Description
- We are seeking an Expert Intersystems Platform Administrator to ensure the stability, performance, and continuous availability of our Tier 1 Intersystems platforms, including Ensemble, HealthShare (HIE), and IRIS. These platforms support mission-critical clinical and business operations, including enterprise integrations and the ongoing Epic conversion.
- This senior-level role is responsible for high availability, data integrity, performance optimization, and operational support across a large, complex infrastructure of 130+ servers.
- The position plays a key role in platform modernization initiatives, cloud adoption, operating system migrations, and enterprise system integrations.
- Participate in senior-level 24/7 on-call support rotation for Ensemble and HIE environments
- Manage, monitor, and support Intersystems infrastructure across 130+ servers
- Perform advanced troubleshooting, performance tuning, system health checks, and capacity planning
- Resolve hardware, software, OS, and application issues across Cache, HealthShare, and IRIS platforms
- Oversee full lifecycle management across development, integration, QA, staging, and production environments
- Design, develop, and maintain ObjectScript-based automation, including ad hoc installer scripts and operational utilities
- Develop and maintain ZAUTHENTICATE routines to support secure authentication workflows
- Design, implement, and maintain role creation and security administration scripts, including Active Directory–integrated security roles
- Proactively monitor system alerts, reports, and platform performance metrics
- Manage and maintain multi-terabyte Cache and IRIS databases
- Install, configure, upgrade, and support Intersystems software components
- Lead and support migrations from AIX-based Ensemble to Linux-based IRIS environments
- Develop and maintain technical, operational, and procedural documentation
- Initiate and manage vendor support cases with Intersystems WRC
- Support activations, rollouts, go-live events, and environment testing
- Provide platform support for cloud-hosted solutions in GCP and Azure
- Participate in Scrum ceremonies and project meetings, providing status updates and risk escalation
- Promote team knowledge sharing, mentoring, and continuous learning
- Maintain clear, customer-focused communication aligned with business and clinical objectives
- 3+ years of Intersystems Cache, HealthShare, and IRIS system administration experience
- 3+ years supporting mission-critical application environments with HA/DR architectures
- Strong proficiency in ObjectScript, including operational automation and installer scripting
- Hands-on experience developing ZAUTHENTICATE routines
- Expertise in Cache/IRIS security administration, including role creation and access control scripting
- Strong experience with change management and version control practices
- Excellent troubleshooting, communication, and customer-focused support skills
- Solid understanding of risk avoidance, fault tolerance, and mitigation strategies
- Experience supporting healthcare integration platforms and HIE environments
- Experience with large-scale server environments and enterprise migrations
- Familiarity with Epic integration environments
- Experience supporting cloud or hybrid infrastructure models
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