Job Requirements

About Phenom

Phenom is an Applied AI company transforming how people discover and choose work. Our Intelligent Talent Experience platform helps global enterprises attract, engage, hire, and develop talent through AI-driven automation and deeply personalized experiences.

Our mission is to help a billion people find the right work.

As we continue to scale our AI-powered platform globally, we're looking for passionate engineers who thrive in highly available, large-scale cloud environments and enjoy solving complex database challenges.

Overview

We are seeking a highly skilled and hands-on Senior Database Administrator (DBA III) to manage and optimize our mission-critical database platforms. The ideal candidate will have deep expertise in Amazon Aurora PostgreSQL and strong operational knowledge of modern distributed databases including MongoDB, Cassandra, ClickHouse, and Elasticsearch.

You will play a critical role in ensuring database reliability, performance, security, scalability, and operational excellence across Phenom's cloud-native infrastructure. This position requires strong troubleshooting skills, automation mindset, and experience supporting large-scale production environments.

What You'll Do

Aurora PostgreSQL Administration & Performance

Own the administration, availability, performance, and scalability of Aurora PostgreSQL clusters.
Perform advanced performance tuning using:
Parameter Groups
pg_stat_statements
AWS Performance Insights
Vacuum / Autovacuum optimization
Query execution plan analysis and optimization
Diagnose and resolve production performance bottlenecks.
Establish and maintain database performance baselines and capacity plans.

High Availability, Disaster Recovery & Upgrades

Support HA/DR operations for business-critical databases.
Execute Aurora PostgreSQL version upgrades using Blue/Green deployment strategies.
Monitor replication health and perform controlled switchovers with minimal downtime.
Design, test, and maintain disaster recovery procedures and recovery runbooks.

Backup, Recovery & Data Protection

Manage backup and recovery operations for large-scale Aurora environments (10TB+ clusters).
Implement and validate:
Point-in-Time Recovery (PITR)
Backtrack
Snapshot lifecycle management
Recovery testing and validation
Ensure recovery objectives (RTO/RPO) are consistently met.

Database Security & Governance

Implement and maintain database security best practices.
Design and enforce least-privilege access models.
Manage:
Application roles
Migration roles
Reporting roles
DML-only application users
Configure and maintain:
IAM Database Authentication
Reader/Writer endpoint segregation
Audit logging and alerting
Security compliance controls

Monitoring & Observability

Build and maintain comprehensive monitoring solutions using:
Grafana
Prometheus
PMM
AWS CloudWatch
Create proactive alerting and dashboards for database health, performance, replication, and capacity.
Lead root cause analysis and post-incident reviews.

Automation & Infrastructure

Partner with Platform and SRE teams to automate database operations.
Support infrastructure-as-code initiatives using Terraform.
Contribute to configuration management and operational automation through SaltStack and related tooling.
Develop scripts and automation frameworks to improve operational efficiency.

Multi-Database Ecosystem Support

Provide operational support and best practices for:
MongoDB
Cassandra
ClickHouse
Elasticsearch
Participate in architecture reviews and database technology evaluations.

Nice to Have

Experience migrating MongoDB workloads to PostgreSQL.
Expertise in:
AWS DMS
Debezium
Change Data Capture (CDC) architectures
Experience designing relational schemas from document-based data models.
Exposure to large-scale SaaS platforms and multi-tenant architectures.
Experience supporting AI/ML or analytics-heavy workloads.

Required Skills

What We're Looking For

5+ years of database administration experience.
Deep expertise in Amazon Aurora PostgreSQL.
Strong understanding of PostgreSQL internals and performance tuning.
Experience managing production databases at multi-terabyte scale.
Strong understanding of backup, recovery, replication, and high-availability architectures.
Hands-on experience with database security, access controls, and compliance requirements.
Experience with monitoring and observability platforms.
Strong Linux administration and troubleshooting skills.
Experience working in AWS cloud environments.

Preferred Skills

MongoDB administration experience.
Cassandra operational knowledge.
ClickHouse performance tuning experience.
Elasticsearch cluster management and optimization.
Infrastructure automation using Terraform and SaltStack.
SRE and DevOps-oriented operational mindset.

Why Join Phenom

Build and operate large-scale, cloud-native database platforms powering millions of talent interactions.
Work alongside world-class engineering, platform, and AI teams.
Solve complex scalability, performance, and reliability challenges.
Contribute to a mission that impacts how people discover meaningful work globally.

At Phenom, we celebrate diversity and are committed to creating an inclusive environment for all employees.

DBA III

DME III / IV ( SQL DBA & NO SQL DBA ) Professional