Sr. Oracle DBA & System Administrator

Creating Peace of Mind by Pioneering Safety and Security At Allegion, we help keep the people you know and love safe and secure where they live, work and visit. With more than 40 brands, 14,000+ employees globally and products sold in 130 countries, we specialize in security around the doorway and beyond.  Additionally, Allegion is proud to be recognized with the 2026 Gallup Exceptional Workplace Award (GEWA) for the third consecutive year, earning distinction in both the employee engagement and strengths categories. This year, Allegion also received Gallup’s With Distinction honor — a designation reserved for a select group of organizations that go above and beyond in building exceptional workplace cultures. Remote Location Mexico Sr. Oracle DBA & System Administrator ( Oracle E-Business Suite R12 on Exadata ) The Sr. Oracle DBA & System Administrator is responsible for the design, implementation, administration and ongoing optimization of Oracle E-Business Suite R12 databases running on Oracle Exadata hardware. As a Sr. Oracle DBA & System Administrator, you will ensure availability, performance, backup/recovery and secure operations of the EBS database and related infrastructure; provide technical leadership; lead and develop automation efforts for database provisioning, patching, monitoring and deployment; and transfer knowledge to the broader team. This role requires 10+ years of hands-on experience supporting Oracle E-Business Suite R12 and Exadata environments.

Administer and support Oracle E-Business Suite R12 databases and related components on Oracle Exadata hardware. Install, configure, patch and upgrade Oracle databases, Grid Infrastructure, ASM and related components necessary for EBS R12. Implement and maintain end-to-end monitoring using Oracle Enterprise Manager (OEM): configure alerts, metrics, reports and dashboards for database and application availability, performance and capacity. Design, document and operate robust backup and restore procedures (RMAN, Data Guard where applicable), and validate recovery procedures with regular restore tests. Create, document and execute cloning procedures for Dev/Test/QA/DR environments (Rapid Clone, AD utilities, RMAN-based clones), including automation where appropriate. Configure and tune the database and application tier to support high-volume parallel concurrent processing (Concurrent Manager tuning, parallel execution settings, resource allocation and scheduling). Configure and support model routing within the EBS environment, including setup and management of additional application servers and routing of concurrent processing across servers. Perform performance monitoring, capacity planning and proactive tuning (SQL tuning, instance parameters, resource management). Troubleshoot and resolve production incidents; perform root cause analysis and implement preventative measures. Maintain security, user access controls, patching cycles and compliance for databases and Exadata systems. Provide technical leadership and knowledge transfer: create runbooks, standard operating procedures, train and mentor other DBAs and system administrators. Work with cross-functional teams (applications, network, storage, middleware) for deployments, upgrades, DR tests and major incidents. Participate in an on-call rotation for after-hours support as required. Travel to data centers or other company locations for deployments, DR testing or hardware upgrades as needed. Lead efforts to automate database lifecycle activities using standard tools and practices. Lead architecture and design reviews for new EBS/Exadata projects, upgrades or migrations Collaborate with Security and Compliance teams on audits (PCI, SOX) and enforce database-related security controls Evaluate new Exadata features Oracle releases and third-party tools, and provide recommendations to leadership Develop and maintain capacity-planning models, cost analyses and lifecycle roadmaps for