• Ensure the stable and secure operation of enterprise Okta environments, including configuration, maintenance, optimization, and lifecycle management. • Plan, develop, install, configure, and support all network software and communication links associated with Okta. • Organize and direct the configuration and day-to-day operation of Okta environments. • Analyze and resolve end user software and connectivity issues related to Okta authentication, integrations, and identity workflows. • Conduct capacity and performance analysis; recommend system configuration changes, upgrades, and enhancements. • Improve system administrator efficiency through automation tools, scripts, and standardized procedures. • Develop system administrator documentation, conduct training, and perform skills assessments. • Provide end user training on Okta features, authentication workflows, and identity best practices. • Recommend technology direction and enhancements to align with organizational goals and identity strategy. • Provide local and remote maintenance support for operational systems within the Okta footprint, including upgrades and new installations. • Direct the work of other system administrators, ensuring effective system/resource optimization and user support. • Apply advanced technical knowledge of application networking, including load balancing, fault tolerance, and identity aware routing. • Configure and maintain Okta integrations with enterprise technologies such as: • Active Directory • Firewalls • APIs • Zero Trust endpoints • Cloud and on prem applications

• Install, configure, and maintain Linux servers (CentOS, Ubuntu, Red Hat, etc.) in both physical and virtual environments. • Perform regular system updates, patch management, and kernel upgrades. • Deploy, configure, and manage Linux-based infrastructure in AWS, Azure, OCI, and GCP. • Utilize cloud-native tools and services for monitoring, scaling, and automating Linux workloads • Develop and maintain automation scripts using Bash, Python, and other relevant scripting languages. • Utilize configuration management tools (e.g., Ansible, Puppet, Chef) to automate provisioning and configuration of Linux systems. • Implement and manage monitoring solutions to ensure high availability and performance of Linux systems. • Perform performance tuning and optimization of Linux servers and applications. • Ensure systems comply with organizational and industry security standards. • Conduct regular security audits, vulnerability assessments, and implement remediation strategies. • Perform vulnerability remediation and hardening of servers using DISA STIGs (Security Technical Implementation Guides). • Implement and manage backup and recovery solutions for Linux environments. • Perform regular testing of backup and disaster recovery processes. • Work closely with security teams to support application deployment and troubleshooting. • Provide Tier 2/3 support for Linux-related incidents and service requests. • Participate in on-call rotations

• Administer and maintain Windows Server environments, Active Directory, and Microsoft 365 • Monitor system performance and carry out routine maintenance and patching • Manage backup, disaster recovery, and business continuity procedures • Configure and maintain network infrastructure including firewalls, switches, and VPNs • Support IT projects including system migrations and infrastructure upgrades

• Report to the Global Accounting Compliance Controller • Maintain and manage the Onestream system • Ensure integrity, performance, and reliability of the system • Troubleshoot and resolve system issues • Support end users and drive enhancements • Contribute to continuous improvement of financial control and reporting processes • Leverage automation and AI capabilities within Onestream • Produce documentation and develop user training