Senior Data Architect

Overview Position Senior Data Architect — Job#: . Location: Mississauga/Toronto (Hybrid). Type: Permanent, Full‑Time. 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. Note: This description includes standard Apex Systems information related to our services and employment benefits as part of the job posting. 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 PostgreSQL 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 Information & Benefits Apex Systems is a world‑class IT services company that serves thousands of clients across the globe. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package.

Our commitment to excellence is reflected in awards such as ClearlyRated's Best of Staffing in Talent Satisfaction (U. S.) and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Details available on request.

Apex Benefits Overview: Medical, dental, vision, life, disability, and other insurance; ESPP; 401K with company match after 12 months; Health Savings Account; Employee Assistance Program with up to 8 free counseling sessions; corporate discounts; professional development resources, certification prep, and a library of courses. Additional perks include access to benefits, programs, support teams, and a Welcome Packet. Apex Systems is part of the Commercial Segment of ASGN Incorporated.

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ASGN. Address: 4400 Cox Road, Suite 200, Glen Allen, VA 23060. Apex is an equal opportunity employer. We do not discriminate on protected characteristics and will consider qualified applicants with criminal histories as permitted by law.

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