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Senior Data Architect

Job in Mississauga, Ontario, Canada
Listing for: Apex Systems
Full Time position
Listed on 2026-02-16
Job specializations:
  • Engineering
    Data Engineer
Job Description & How to Apply Below

Job#: 3020480

Job Description:

Senior Data Architect

Location: Mississauga/Toronto (Hybrid)

Type: Permanent, Full‑Time

Position Summary

The Senior Data Architect is responsible for designing, implementing, and governing enterprise‑level data solutions that support multiple concurrent initiatives. This role provides architectural leadership across the full data lifecycle, including discovery, modeling, integration, governance, and performance optimization - while ensuring that all solutions are scalable, secure, and aligned to organizational standards.

Key Responsibilities

Data Architecture & Design

  • Lead end‑to‑end data architecture activities including requirements analysis, conceptual/logical/physical modeling, and solution design.
  • Develop scalable architectures for modern data platforms, including cloud-based data warehouses and relational databases.
  • Produce high‑quality architecture documentation, data models, and DDL artifacts.
  • Data Integration & Engineering

  • Define and support ETL/ELT patterns that ensure quality, integrity, and performance across data pipelines.
  • Collaborate with development, DBA, and engineering teams to enable seamless integration across systems.
  • Optimize data structures, queries, pipelines, and storage strategies.
  • Governance, Quality & Security

  • Embed data governance principles into all designs, including metadata, lineage, standards, access, and data residency requirements.
  • Ensure solutions comply with organizational security and quality expectations.
  • Review and approve data‑related production changes to safeguard operational stability.
  • Cross‑Functional Collaboration

  • Work closely with project managers, developers, business analysts, architects, and leadership to deliver cohesive end‑to‑end solutions.
  • Participate in planning, estimation, solution reviews, and technical governance forums.
  • Communicate complex technical concepts clearly to both technical and non‑technical stakeholders.
  • Strategic & Enterprise Contribution

  • Contribute to the definition and refinement of enterprise data architecture standards, patterns, and best practices.
  • Support continuous improvement of data platform capabilities and architectural maturity.
  • Required Qualifications

  • 5+ years of experience in data architecture or related disciplines.
  • Strong SQL skills and expertise in designing logical and physical data models.
  • Hands‑on experience with cloud-based data warehouse platforms.
  • Experience with modern ETL/ELT integration tools.
  • Understanding of data governance, data quality frameworks, and data residency requirements.
  • Experience supporting or enabling data for analytics, machine learning, or AI initiatives.
  • Excellent communication, documentation, and stakeholder engagement skills.
  • Preferred Qualifications

  • Experience with Postgre

    SQL or additional relational database technologies.
  • Certifications such as TOGAF, CDP, Snowflake certifications, or cloud architect credentials.
  • Experience operating within large, multi‑project enterprise environments.
  • 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 Clearly Rated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

    Apex uses a virtual recruiter as part of the application process.  for more details.

    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 Support Linc 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.

    Position Requirements
    10+ Years work experience
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