Senior Integration Architect

The Senior Integration Architect shapes the strategy, standards, target-state architecture and governance required to enable secure, scalable, resilient and reusable integration across the US Segment. The role provides architecture leadership across APIs, services, events, messaging, streaming, batch and hybrid integration, helping teams connect systems and exchange data consistently while reducing duplication and technical debt.

Working within the Domain Architecture team, the Senior Integration Architect will establish reusable architecture assets, govern critical design decisions, improve visibility of the integration estate and guide delivery teams toward interoperable, cloud-aligned integration solutions. The successful candidate will influence segment direction while remaining closely connected to practical delivery outcomes.

Office location: Toronto - Canada (primary) or Boston - USA

Work arrangement: Hybrid - 3 days in office, 2 days from Home; Remote working option is not available.

Position Responsibilities:
· Define and maintain the Integration Domain strategy, principles, standards, guardrails, reference architectures and target-state patterns, aligned with business priorities and enterprise architecture direction.
· Create and maintain multi-year integration roadmaps aligned with business strategy, modernization priorities, digital transformation objectives, technology investment plans, and architecture direction.
· Partner with technology delivery, domain architecture, platform engineering, security, data, infrastructure, cloud, and business stakeholders to translate strategic priorities into executable integration capabilities.
· Evaluate emerging integration technologies, platforms, AI-assisted engineering capabilities, and vendor solutions, and provide clear recommendations to senior technology leadership.
· Promote API-first, event-driven, cloud-native, secure-by-design, automation-first, and operationally resilient integration approaches where appropriate.
· Design and guide enterprise-grade integration solutions across APIs, event-driven architecture, real-time and batch integration, SaaS and vendor platforms, hybrid and multi-cloud patterns, legacy modernization, data integration, intelligent systems, and B2B or partner connectivity.
· Create and maintain a taxonomy and catalogue of current-state and desired integration patterns, including synchronous APIs, asynchronous messaging, event-driven, streaming and batch patterns, with clear selection and usage guidance.
· Create and maintain integration inventories, interface classifications, dependency maps and key interface attributes for Gold applications. Ensure relevant information is captured and maintained in LeanIX or other approved enterprise repositories.
· Act as the architecture authority for integration concerns by guiding solution architects and delivery teams, reviewing solution designs, documenting Architecture Decision Records and assessing integration exceptions against established standards.
· Own the architecture view of technology lifecycle and technical debt for integration platforms and technologies. Define remediation priorities and influence investment roadmaps.
· Partner with business, application, data, security, cloud, infrastructure and solution architecture stakeholders to resolve cross-domain dependencies and drive consistent architecture decisions.
· Perform architecture quality reviews, provide reusable guidance and mentoring, and communicate complex integration choices and trade-offs clearly to technical and non-technical stakeholders.

Required Qualifications:
· 10+ years of experience designing, implementing, and supporting enterprise-grade integration solutions.
· Familiarity with one or more enterprise integration platforms or services, such as MuleSoft, Azure Integration Services, Kafka or Azure Event Hubs, enterprise service bus platforms, Informatica IICS, Azure Data Factory, or comparable technologies.
· Progressive experience in integration, solution, or domain architecture, with accountability for strategies, roadmaps, standards, reference architectures, and reusable patterns.
· Demonstrated experience designing integration solutions across APIs and services, event-driven architecture, messaging, streaming, batch integration, middleware, and cloud integration services.
· Strong knowledge of API architecture, management, and governance; REST and SOAP services; API contracts; asynchronous messaging and publish-subscribe patterns; microservices; and common interoperability standards.
· Working knowledge of integration security patterns and standards, including OAuth 2.0, OpenID Connect, and SAML.
· Ability to assess integration platforms and capabilities, identify gaps and technical debt, and translate findings into target-state architectures and sequenced roadmaps.
· Experience reviewing solution designs, documenting architecture decisions, and guiding teams through standards, exceptions, and remediation actions.
· Experience with cloud and hybrid integration architecture, including delivery considerations such as CI/CD, security, resilience, monitoring, logging, tracing, and observability.
· Excellent written and verbal communication skills, with the ability to create clear architecture artifacts and explain complex decisions and trade-offs to technical and non-technical stakeholders.

Preferred Qualifications:
· Familiarity with DevSecOps, Infrastructure as Code, containers, Kubernetes, scripting, automation, and platform engineering practices.
· Experience modernizing legacy integration environments and adopting API-first, event-driven, cloud-native, automation-enabled, and operationally resilient integration patterns.
· Experience with one or more of the following: mainframe, COTS or SaaS integration; external partner or B2B connectivity; data integration; or AI-enabled integration patterns.
· Experience working in a large, complex, highly regulated organization, preferably in financial services, insurance, banking, wealth management, retirement, or another regulated industry.
Education:
· Bachelor's degree in computer science, engineering, information systems, or a related discipline, or equivalent practical experience.

When You Join Our Team:
· We’ll empower you to learn and grow the career you want.
· We’ll recognize and support you in a flexible environment where well-being and inclusion are more than just words.
· As part of our global team, we’ll support you in shaping the future you want to see.

The role being advertised is an existing vacancy.

About Manulife and John Hancock

Manulife Financial Corporation is a leading international financial services provider, helping people make their decisions easier and lives better. To learn more about us, visit

Manulife is an Equal Opportunity Employer

At Manulife/John Hancock, we embrace our diversity. We strive to attract, develop and retain a workforce that is as diverse as the customers we serve and to foster an inclusive work environment that embraces the strength of cultures and individuals. We are committed to fair recruitment, retention, advancement and compensation, and we administer all of our practices and programs without discrimination on the basis of race, ancestry, place of origin, colour, ethnic origin, citizenship, religion or religious beliefs, creed, sex (including pregnancy and pregnancy-related conditions), sexual orientation, genetic characteristics, veteran status, gender identity, gender expression, age, marital status, family status, disability, or any other ground protected by applicable law.

It is our priority to remove barriers to provide equal access to employment. A Human Resources representative will work with applicants who request a reasonable accommodation during the application process. All information shared during the accommodation request process will be stored and used in a manner that is consistent with applicable laws and Manulife/John Hancock policies. To request a reasonable accommodation in the application process, contact .

Referenced Salary Location
Toronto, Ontario
Working Arrangement

Hybrid
Salary range is expected to be between
$113,000.00 CAD - $163,000.00 CAD
Employees also have the opportunity to participate in incentive programs and earn incentive compensation tied to business and individual performance. The actual salary will vary depending on local market conditions, geography and relevant job-related factors such as knowledge, skills, qualifications, experience, and education/training. If you are applying for this role outside of the primary location, please contact for the salary range for your location.

Manulife offers eligible employees a wide array of customizable benefits, including health, dental, mental health, vision, short- and long-term disability, life and AD&D insurance coverage, adoption/surrogacy and wellness benefits, and employee/family assistance plans. We also offer eligible employees various retirement savings plans (including pension and a global share ownership plan with employer matching contributions) and financial education and counseling resources. Our generous paid time off program in Canada includes holidays, vacation, personal, and sick days, and we offer the full range of statutory leaves of absence. If you are applying for this role in the U.S., please contact for more information about U.S.-specific paid time off provisions.

We use data and analytics technologies, such as artificial intelligence (AI), and automated processing tools, to analyze and process the information you provide to us or third parties in the application process. For more information, please refer to our personal information collection statement.