Database Administrator

5 Hours ago • 3 Years + • Programming

Job Summary

Job Description

TransUnion is seeking a talented and proactive Data Base Administrator Developer to join their engineering team. The role involves performing day-to-day MySQL database administration on AWS RDS, including deployment, monitoring, backup/restore, and performance tuning. Responsibilities include designing and implementing high-availability architectures and sharding strategies, optimizing AWS RDS resource allocation for performance and cost efficiency, and developing database security policies. The role also requires leading disaster recovery planning, collaborating with developers on SQL queries and schema designs, and automating routine tasks using AWS Lambda, Terraform, or scripting.
Must have:
  • 3+ years of experience as a MySQL DBA
  • Deep expertise in database architecture and query optimization
  • Experience with storage engines (InnoDB, MyISAM) and replication
  • Proven experience with AWS RDS
  • Scalability expertise (sharding, partitioning, read/write splitting)
  • Familiarity with security and compliance implementation (TLS, IAM, data masking)
  • Experience with monitoring and automation tools (CloudWatch, Prometheus, PMM)
  • Scripting skills (Python/Shell) for automation
Good to have:
  • Familiarity with sharding tools (Vitess, ShardingSphere)
  • Experience with Redis, DynamoDB, or other NoSQL solutions
  • Knowledge of Aurora or data warehousing (Redshift)
Perks:
  • Work with great people, pioneering products, and cutting-edge technology
  • Professional development opportunities
  • Supportive environment with colleagues and mentors
  • Opportunity to learn new things and be a leader

Job Details

TransUnion's Job Applicant Privacy Notice

What We'll Bring:

At TransUnion, we strive to build an environment where our associates are in the driver’s seat of their professional development, while having access to help along the way. We encourage everyone to pursue passions and take ownership of their careers. With the support of colleagues and mentors, our associates are given the tools needed to get where they want to go. Regardless of job titles, our associates have the opportunity to learn new things and be a leader every day.
Come be a part of our team – you’ll work with great people, pioneering products and cutting-edge technology.
We’re looking for a talented and proactive Data Base Administrator Developer to join our growing engineering team.

What You'll Bring:

  • 3+ years of hands-on experience as a MySQL DBA, with deep expertise in:
  • Database architecture, query optimization, and transaction/locking mechanisms.
  • Storage engines (InnoDB, MyISAM) and replication (GTID, binlog).
  • Proven experience with AWS RDS, including:
  • Configuration of parameter groups, Multi-AZ deployments, and Performance Insights.
  • Backup/Restore (snapshots, PITR) and cross-region replication.
  • Scalability expertise:
  • Designing sharding, partitioning, and read/write splitting for high-traffic systems.
  • Familiarity with sharding tools (e.g., Vitess, ShardingSphere) is a plus.
  • Security & Compliance:
  • Implementing TLS encryption, IAM-based access control, and data masking.
  • Monitoring & Automation:
  • Tools: CloudWatch, Prometheus/Grafana, Percona PMM.
  • Scripting skills (Python/Shell) for automation.
  • Nice-to-Have:
  • Experience with Redis, DynamoDB, or other NoSQL solutions.
  • Knowledge of Aurora or data warehousing (Redshift).

Impact You'll Make:

  • Perform day-to-day MySQL database administration (deployment, monitoring, backup/restore, performance tuning) on AWS RDS.
  • Design and implement high-availability architectures (master-slave replication, failover) and sharding strategies for large-scale datasets.
  • Optimize AWS RDS resource allocation (instance types, storage, IOPS) to balance performance and cost efficiency.
  • Develop and enforce database security policies (access control, encryption, compliance with GDPR/HIPAA).
  • Lead disaster recovery (DR) planning, including RTO/RPO definitions and regular drills.
  • Collaborate with developers to review SQL queries, schema designs, and resolve performance bottlenecks.
  • Automate routine tasks (backups, scaling) using AWS Lambda, Terraform, or scripting (Bash/Python).

Should you not have heard from us within 3 weeks from applying, please regard your application as unsuccessful.

Please note it is a requirement of the Global Capability Centre Africa that you reside in a home that is fibre ready; and has space for you to be able to work comfortably and confidentially on a day-to-day basis for the purpose of your proposed employment. You can be based anywhere in South Africa that has fibre but will not be able to work in a location outside of South Africa.

A Minimum of a 100 Meg Fibre line is required, should you be successful, you will need to upgrade your line or install fibre in order to work effectively.

Please note that being a credit bureau, some positions require a clear credit record.

This is a remote position which may require occasional in-person attendance at work-related events at the discretion of management.

TransUnion Job Title

Assoc Developer, Database Administration and Storage

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About The Company

TransUnion is a global information and insights company with over 12,000 associates operating in more than 30 countries. We make trust possible by ensuring each person is reliably represented in the marketplace. We do this with a Tru™ picture of each person: an actionable view of consumers, stewarded with care. Through our acquisitions and technology investments we have developed innovative solutions that extend beyond our strong foundation in core credit into areas such as marketing, fraud, risk and advanced analytics. As a result, consumers and businesses can transact with confidence and achieve great things. We call this Information for Good® — and it leads to economic opportunity, great experiences and personal empowerment for millions of people around the world.

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