Senior Mongo DBA

TD Bank Group; Mississauga; On-site; CAD 82,000 - 115,000; Full time

Job summary

TD Bank Group in Mississauga, ON is seeking a Senior MongoDB Database Administrator to manage and optimize enterprise SQL Server and MongoDB platforms. You will handle incident resolution, capacity planning, and automation while contributing to security and compliance in a complex production environment.

You will work with ITIL processes, collaborate with engineering teams, and support both on‑prem and cloud deployments.

Qualifications

• 5+ years of DBA experience (SQL Server and/or MongoDB)
• Undergraduate degree or Technical Certificate
• Hands-on experience with: SQL Server administration and T-SQL, MongoDB operations including replica sets and backup/recovery, MongoDB Ops Manager
• Strong understanding of HA/DR concepts, database security and access control
• Experience with Windows and Unix/Linux platforms, automation and scripting, ITIL processes

Responsibilities

• Administer and support enterprise SQL Server and MongoDB environments across distributed infrastructure
• Perform day-to-day operational support including monitoring, patching, performance tuning, and capacity management
• Lead root cause analysis (RCA) and implement preventative solutions
• Support high availability (HA) and disaster recovery (DR) solutions (AGs, clustering, replica sets, sharding)
• Execute and validate backup and recovery processes for both platforms
• Utilize MongoDB Ops Manager for monitoring, patching, automation, and operational visibility
• Develop and maintain automation scripts (PowerShell, Python, Bash, T-SQL, Mongo Shell)
• Monitor system health using metrics, logs, and observability tools
• Collaborate with Engineering and stakeholders to improve stability and performance
• Support infrastructure deployments and environment builds (on-prem and cloud)
• Ensure adherence to security, audit, and compliance requirements

Skills

SQL Server admin

T-SQL

MongoDB operations

MongoDB Ops Manager

PowerShell

Python

Bash

Unix/Linux

Azure

MongoDB Atlas

HA/DR concepts

Security & access control

Education

Undergraduate degree or Technical Certificate

Tools

Windows

Monitoring/Observability tools

Job description

## Senior Mongo DBAApply: Office Focused: Mississauga, Ontario: Toronto, Ontario: Full time: Posted Yesterday: End Date: November 12, 2026 (12 days left to apply): R\\_1513032**Work Location:**Mississauga, Ontario, Canada**Hours:**37.5**Line of Business:**Technology Solutions**Pay Details:**$81,600 - $115,200 CADTD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been designed to allow colleagues to progress through the salary range over time as they progress in their role. The base pay actually offered may vary based upon the candidate's skills and experience, job-related knowledge, geographic location, and other specific business and organizational needs.As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.**Job Description:** The Senior Mongo Database Administrator is responsible for operational support, maintenance, and optimization of enterprise database platforms including Microsoft SQL Server and MongoDB. This role focuses on reliable production operations, incident resolution, and continuous improvement while working independently on complex systems. **KEY ACCOUNTABILITIES*** Administer and support enterprise SQL Server and MongoDB environments across distributed infrastructure* Perform day-to-day operational support including monitoring, patching, performance tuning, and capacity management* Actively participate in incident, problem, and change management processes* Lead root cause analysis (RCA) and implement preventative solutions* Support high availability (HA) and disaster recovery (DR) solutions (AGs, clustering, replica sets, sharding)* Execute and validate backup and recovery processes for both platforms* Utilize MongoDB Ops Manager for monitoring, patching, automation, and operational visibility* Develop and maintain automation scripts (PowerShell, Python, Bash, T-SQL, Mongo Shell)* Monitor system health using metrics, logs, and observability tools* Collaborate with Engineering and stakeholders to improve stability and performance* Support infrastructure deployments and environment builds (on-prem and cloud)* Ensure adherence to security, audit, and compliance requirements **Technical Responsibilities** * Manage:SQL Server: backups, indexing, query tuning, clustering MongoDB: replica sets, sharding, backups, performance tuning * Perform performance analysis and tuning across both platforms* Troubleshoot cross-layer issues (OS, network, storage, database)* Support cloud environments (Azure / MongoDB Atlas)* Maintain runbooks, SOPs, and technical documentation **EXPERIENCE & EDUCATION*** 5+ years of DBA experience (SQL Server and/or MongoDB)* Undergraduate degree or Technical Certificate* Hands-on experience with:* SQL Server administration and T-SQL* MongoDB operations including replica sets and backup/recovery* MongoDB Ops Manager (monitoring, automation)* Strong understanding of:* HA/DR concepts* Database security and access control* Experience with:* Windows and Unix/Linux platforms* Automation and scripting* Working knowledge of incident, change, and problem management (ITIL)* Ability to work independently on moderately to highly complex systems **Behavioral Competencies** * Strong troubleshooting and analytical skills* Effective communication with technical teams and stakeholders* Continuous improvement mindset* Team-oriented with ability to mentor junior staff (emerging capability)**Who We Are:**TD is one of the world's leading global financial institutions and is the fifth largest bank in North America by branches/stores. Every day, we strive to make every interaction, product, and experience remarkably human and refreshingly simple for over 27 million households and businesses in Canada, the United States and around the world. More than 95,000 TD colleagues bring their skills, talent, and creativity to foster deeper relationships, ensure disciplined execution, and build a simpler, faster banking experience. TD is deeply committed to being a leader in client experience, that is why we believe that all colleagues, no matter where they work, are client facing. Together, we are reimagining what banking can be for our clients, colleagues and communities.**Our Total Rewards Package** Our Total Rewards package reflects the investments we make in our colleagues to help them and their families achieve their financial, physical, and mental well-being goals. Total Rewards at TD includes a base salary, variable compensation, and several other key plans such as health and well-being benefits, savings and retirement programs, paid time off, banking benefits and discounts, career development, and reward and recognition programs. Learn more**Additional Information:** We’re delighted that you’re considering building a career with TD. Through regular development conversations, training programs, and a competitive benefits plan, we’re committed to providing the support our colleagues need to thrive both at work and at home.Please be advised that this job opportunity is subject to provincial regulation for employment purposes. It is imperative to acknowledge that each province or territory within the jurisdiction of Canada may have its own set of regulations, requirements.**Colleague Development**If you’re interested in a specific career path or are looking to build certain skills, we want to help you succeed. You’ll have regular career, development, and performance conversations with your manager, as well as access to an online learning platform and a variety of mentoring programs to help you unlock future opportunities.If you’re passionate about helping clients and building deep, lasting relationships, TD offers diverse career paths where you can grow your expertise and make a meaningful impact.We're committed to your success and foster a respectful workplace where diverse perspectives are valued, everyone has fair opportunities to grow, and you can unlock your full potential to achieve your career goals. Here at TD, we hire and develop the best.**Training & Onboarding** We will provide training and onboarding sessions to ensure that you’ve got everything you need to succeed in your new role.**Interview Process** We’ll reach out to candidates of interest to schedule an interview. We do our best to communicate outcomes to all applicants by email or phone call.**Accommodation** Your accessibility is important to us. Please let us know if you’d like accommodations (including accessible meeting rooms, captioning for virtual interviews, etc.) to help us remove barriers so that you can participate throughout the interview process. We look forward to hearing from you!**Language Requirement (Quebec only):**Sans Objet