Apex Systems, Inc.
Sr. Enterprise Database Engineer
Toronto, ON
Jun 24, 2025
Contract
Full Job Description

Job#: 2074154

Job Description:

Senior Enterprise Database Engineer


Apex Systems is a global IT services provider, and our staffing practice has an opening for a Senior Enterprise Database Engineer (PostgreSQL and Oracle) with extensive enterprise architecture and design experience as well as the ability to build, optimize, and configure a platform to place at our client, an industry leading technology company.


Client: A Fortune 100 Technology Company


Terms: 6-month rolling contract or contract to hire


Location: 1-2 days hybrid – Office in Toronto.


Application Process: It is best to apply via the medium on which you are seeing this posting. If you encounter technical difficulties submitting your resume, please send a Word version of your resume to Cameron at [email protected]. Please reference Sr. Enterprise DB Eng.

Project Description:

The Enterprise Database Specialist will be responsible for the design, implementation, and ongoing management of PostgreSQL and Oracle database systems running on OpenShift.

This role will involve working closely with development teams to ensure optimal database performance and scalability, as well as managing the underlying infrastructure.

Role Responsibilities:
  • Design and implement PostgreSQL and Oracle database architectures that meet the organizations performance, availability, and scalability requirements.
  • Configure PostgreSQL and Oracle database instances on OpenShift to ensure optimal performance and resource utilization.
  • Implement secure and efficient interconnectivity between multiple OpenShift clusters to support database replication and high availability.
  • Operationalize PostgreSQL and Oracle databases to support observability patterns and logging.
  • Tune queries and indexes to improve database performance and efficiency.
  • Automate deployment and upgrade processes using tools like Helm or Ansible.
  • Automate configuration changes to ensure consistency and reduce errors.
  • Monitor database health, performance, and utilization.
  • Troubleshoot and resolve database-related issues.
  • Collaborate with development teams to optimize database usage and performance.
  • Stay up to date on the latest PostgreSQL and Oracle features and best practices.
  • Technical team lead/mentorship role for others on the team, however this is not a role that has direct reports.
Required Project & Technical Experience:
  • Minimum 5+ years of experience operating PostgreSQL and Oracle in enterprise, multi-region environments.
  • Implementation of PostgreSQL and Oracle in HA environments structured for RTO=0 and minimal RPO (near 0) for high-volume transaction systems deployed across multiple OpenShift clusters spanning different regions.
  • Strong understanding of PostgreSQL and Oracle architectures, distributed systems, and SQL.
  • Proficiency in Kubernetes and OpenShift, including pod configuration, StatefulSet workloads, networking, and storage.
  • Experience with secure interconnection of OpenShift clusters for database replication and failover.
  • Experience with technical setup (greenfield) of PostgreSQL and Oracle on RedHat OpenShift Container Platform in on-premise environments (not cloud-based).
  • Knowledge of SQL tuning techniques, including query optimization and index design.
  • Experience with automation tools for deployment, upgrades, and configuration management (e.g., Ansible, Helm, Terraform).
  • Certifications or referenceable experience equivalence in:
    • PostgreSQL / Enterprise DB
    • Oracle Database
    • RedHat OpenShift Container Platform
  • Strong problem-solving and troubleshooting skills.
  • Experience with cloud platforms (e.g., IBM Cloud, AWS, GCP, Azure).
  • Knowledge of other enterprise databases (e.g., CockroachDB, Cassandra, MongoDB).
  • Experience with DevOps practices and tools (e.g., Git, Jenkins, Podman, Docker).
  • Experience or previous working knowledge of Payment Systems.
  • Excellent communication, technical writing, and collaboration skills.



EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

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Job Information
Job Category:
Engineering
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Sr. Enterprise Database Engineer
Apex Systems, Inc.
Toronto, ON
Jun 24, 2025
Contract
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