Principal Architect Principal Architect Job Profile Description : The Performance Transformation practice within OW is seeking an experienced Principal Architect to join our implementation and advisory team and lead the design, assessment, and delivery of complex technology solutions for clients. This role combines strategic technology leadership with hands‑on architecture expertise across digital transformation, enterprise platforms, cloud ecosystems, data and AI solutions, and large‑scale implementation programs. As a trusted advisor to clients and delivery teams, you will lead technology due diligence efforts, define target‑state architectures, evaluate and select enterprise platforms, design AI‑enabled solutions, and provide architectural governance throughout the implementation lifecycle.

Success in this role requires deep technical expertise, strong business acumen, exceptional stakeholder management skills, and the ability to translate strategic objectives into scalable, secure, and practical technology solutions. Lead technology strategy and architecture engagements, aligning technology investments and solution designs with client business objectives and transformation goals. Conduct technology due diligence assessments for mergers, acquisitions, divestitures, strategic investments, and digital transformation initiatives, evaluating platforms, architectures, technical debt, operating models, security posture, and implementation risks.

Define and own end‑to‑end solution architectures across business applications, data, integrations, cloud platforms, AI solutions, and enterprise technology ecosystems. Develop target‑state architecture blueprints, technology roadmaps, reference architectures, and transition strategies to support client transformation programs. Lead platform evaluation and selection processes, including requirements definition, vendor assessments, proof‑of‑concepts, architecture reviews, and recommendation development.

Design AI and advanced analytics architectures, including GenAI, machine learning, data platforms, model operations, governance frameworks, security controls, and responsible AI considerations. Provide architecture leadership during implementation programs, ensuring alignment between business requirements, technical design, and delivery execution. Partner with product managers, engineering teams, data specialists, and client stakeholders to translate business needs into scalable and maintainable technical solutions.

Establish architecture governance processes, design standards, decision frameworks, and quality assurance mechanisms across engagements. Lead architecture reviews and technical design workshops with executive stakeholders, business leaders, engineering teams, and vendors. Evaluate integration approaches, APIs, middleware platforms, event‑driven architectures, and interoperability requirements across enterprise ecosystems.

Assess cloud strategies and architectures across AWS, Azure, GCP, and hybrid environments, ensuring scalability, resiliency, security, and cost efficiency. Identify, assess, and mitigate technical risks, dependencies, and architectural constraints throughout the program lifecycle. Contribute to solution development, estimation, proposal creation, and client pursuits by providing architecture leadership and technical expertise.

Mentor architects, engineers, and consultants while contributing to architecture frameworks, reusable assets, accelerators, and intellectual property.



Support enterprise architecture initiatives where applicable, including business capability mapping, application portfolio rationalization, technology standards, and governance frameworks. Bachelor’s degree in Computer Science, Engineering, Information Systems, or a related technical discipline. 10–15+ years of experience in solution architecture, enterprise architecture, technology consulting, software engineering, or related technology leadership roles. ~ Strong experience leading technology due diligence, architecture assessments, and technology modernization initiatives or equivalent. ~ Proven track record developing end‑to‑end solution architectures spanning applications, data, integrations, cloud infrastructure, security, and operational processes. ~ Hands‑on experience with cloud architectures and services across AWS, Azure, and/or Google Cloud Platform. ~ Strong understanding of software architecture patterns, distributed systems, APIs, integration architectures, and modern application development practices. ~ Experience working directly with executive stakeholders to communicate technical concepts and influence strategic technology decisions. ~ Demonstrated success leading architecture governance and supporting implementation delivery through deployment and stabilization.

Deep technical expertise combined with strong business acumen and commercial awareness. Ability to balance strategic vision with pragmatic implementation considerations. Strong verbal and written communication and storytelling capabilities, translating complex technical concepts into clear business implications.

Strong understanding of architecture trade-offs across scalability, performance, security, maintainability, cost, and delivery timelines. Ability to lead ambiguity and navigate complex transformation environments with multiple stakeholders and competing priorities. Strong documentation discipline and ability to develop architecture artifacts suitable for both executive and technical audiences.

Experience in Enterprise Architecture frameworks such as TOGAF, Zachman, or equivalent methodologies. Architecture certifications including AWS Solutions Architect, Azure Solutions Architect Expert, Google Skilled Cloud Architect, or similar.

Experience with enterprise platforms such as Salesforce, SAP, ServiceNow, Workday, Oracle, Microsoft Dynamics, or industry‑specific platforms.

Experience with data architecture, data governance, master data management, and modern data platforms. Familiarity with cybersecurity architecture, identity and access management, and enterprise security frameworks.

Experience in consulting or professional services environments supporting strategic technology transformation programs. Demonstrated experience building reusable architecture assets, reference architectures, and delivery accelerators. Technology due diligence reports and strategic technology assessments that inform investment and transformation decisions.

Target‑state architecture blueprints, architecture roadmaps, and implementation transition plans. Scalable, secure, and maintainable solution architectures that support business objectives and long‑term growth.



Successful implementation outcomes with strong alignment between architecture vision and delivery execution.

Improved client technology maturity, operational efficiency, and business performance through modernized technology landscapes. High client satisfaction and trusted advisor relationships with senior technology and business stakeholders. Architecture governance frameworks, standards, and reusable assets that improve delivery consistency and quality.

Documented architecture decisions, technical standards, and implementation guidance that support long‑term sustainability.

Oliver

Wyman is a global leader in management consulting. With offices in 50+ cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, finance, operations, technology, risk management, and organizational transformation. Our 4000+ professionals help clients optimize their business, improve their IT, operations and risk profile, and accelerate their organizational performance to seize the most attractive opportunities.

We’re serious about making the Performance Transformation practice within OW a rewarding, enjoyable, and balanced place to work. We’ve worked hard to earn our reputation for high quality work. That reputation allows us to work with major brands at all levels on incredibly exciting projects.

A menu of healthcare options, 401k matching, and a culture of continuous improvement means your work gets more rewarding over time. This commitment also leads to opportunities for social impact and community work on company time. We’ll work with you to accommodate your personal life with flexible hours and the ability to work from home.

The base pay offered will be determined on factors such as experience, skills, training, location, certifications, and education, and any applicable minimum wage requirements. In addition to the base salary, this position may be eligible for performance‑based incentives. We are excited to offer a competitive total rewards package which includes health and welfare benefits, tuition assistance, 401K savings and other retirement programs as well as employee assistance programs.

Oliver

Wyman is a business of Marsh (NYSE: MRSH), a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. Marsh is committed to embracing a diverse, inclusive and flexible work environment.

We aim to attract and retain the best people and embrace diversity of age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law. Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week.

Office‑based teams will identify at least one "anchor day" per week on which their full team will be together in person. #

📌 Oliver Wyman - Principal Architect (Toronto)
🏢 Oliver Wyman
📍 Toronto