Senior Database Engineer

8x8 connects our customers and teams globally, empowering CX leaders with performance and insights to make smarter decisions, delight customers, and drive lasting business impact. Database Engineer 8x8 is seeking a Database Engineer to join our engineering team responsible for managing and optimizing database infrastructure across on-premises, AWS, and OCI environments. This is a hands-on role requiring deep expertise in relational database systems, replication architectures, performance tuning, and automation. You will partner with development and infrastructure teams to ensure database platforms deliver the highest levels of availability, performance, and data integrity across a globally distributed environment. The ideal candidate is detail-oriented, thrives under pressure, and is passionate about database reliability at scale. Responsibilities Manage and optimize Oracle 11g/19c RAC, MySQL 5.7/8, and PostgreSQL database systems and related infrastructure across on-premises, AWS, and OCI cloud environments. Plan and execute database upgrades - Oracle and MySQL - ensuring minimal downtime across all environments. Perform advanced database troubleshooting, query performance tuning, and issue resolution across Oracle, MySQL, PostgreSQL, HAProxy, and Keepalived. Design, implement, and maintain database replication topologies including master-slave and master-master configurations. Develop and maintain automation for database operations using Linux shell scripting, Python, Terraform, and Ansible. Manage backup and recovery operations using RMAN, mysqldump, pg_dump, and other tools — ensuring RPO/RTO targets are met. Implement and maintain database monitoring, alerting, and dashboards using Grafana, CloudWatch, or equivalent platforms. Collaborate with application development teams on schema design, query optimization, and capacity planning. Participate in on-call rotations as a escalation point for critical database incidents. Document database architectures, runbooks, and operational procedures. Participate in on-call rotations to address critical database incidents promptly. Required Skills & Experience 3+ years of hands-on experience as a Database Engineer or DBA in production environments. Strong expertise in Oracle 11g/19c RAC administration, including RMAN backup/restore, patching, and query optimization. Solid experience with MySQL 5.7/8 administration, replication strategies (master-slave, master-master), and performance tuning. Working knowledge of PostgreSQL administration and tooling (pg_dump, replication, vacuuming). Proficiency in Linux systems administration (Ubuntu/RHEL-based) and shell scripting. Experience with automation and infrastructure-as-code tools: Python, Terraform, Ansible. Familiarity with high-availability components: HAProxy, Keepalived, or equivalent load balancing and failover solutions. Experience with Git-based workflows and CI/CD practices for database change management. Strong troubleshooting and root cause analysis skills — ability to diagnose and resolve complex database issues under pressure. Excellent communication and collaboration skills, with the ability to work effectively across time zones in a distributed team. Nice to Have Experience with AWS database services (RDS, Aurora) and OCI database offerings. Exposure to MSSQL Server administration. Experience setting up Grafana monitoring dashboards, alerting rules, and integration with database metrics. Familiarity with database migration strategies across cloud providers and on-premises environments.SS 8x8 is proud to provide equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. For 8x8 jobs located in the US: 8x8 participates in the E-Verify program . View the Participant Poster in English and Español. View the Right to Work Poster in English and Español. We also provide reasonable accommodation to individuals with disabilities in accordance with applicable laws. Learn more or email us at [email protected] (Include “Reasonable Accommodation” in the subject line) Our Job Applicant Privacy Notice can be found here . Learn more on our company website at www.8x8.com follow our pages on LinkedIn , Twitter , Facebook and Instagram .