Senior Enterprise Architect

This is a remote position. Overview This is a remote consulting opportunity supporting a government client. Subcontractor Opportunity: This is not an employee position. The successful consultant must be incorporated and able to provide services through their corporation. Role Summary The Senior Enterprise Architect provides strategic and technical leadership across enterprise architecture domains. The role is responsible for defining and governing future-state architecture spanning business, data, application, security, and infrastructure domains while ensuring alignment with modernization initiatives and enterprise priorities. This includes oversight of large-scale infrastructure programs such as network modernization, cloud adoption, digital workplace initiatives, and service delivery transformation, while ensuring solutions are scalable, secure, cost-effective, and suitable for remote and distributed operating environments. Key Responsibilities Define and maintain enterprise architecture strategy, principles, and target-state architecture across business, data, application, and technology domains Develop and maintain multi-year architecture roadmaps aligned to enterprise priorities Provide oversight and direction to solution, data, network, security, and systems architects Review, validate, and guide architectural designs and deliverables to ensure quality and alignment with enterprise standards Mentor and support architecture and technical resources to strengthen enterprise architecture capability Lead architecture for major infrastructure initiatives including fibre expansion, satellite connectivity, and cloud transformation Establish and enforce architecture standards, patterns, and reference architectures Support architecture review board processes and enterprise intake governance Act as the senior technical authority for enterprise-level projects and initiatives Support development of business cases, cost models, and funding submissions Lead enterprise architecture for cloud adoption, hybrid infrastructure, and modern digital platforms Provide architectural input into procurement strategies, RFP development, and evaluation processes Identify and assess architectural risks including technical debt, security exposure, and scalability limitations Provide strategic advisory services to senior leadership and stakeholders Key Deliverables Enterprise architecture roadmap and target-state models Architecture standards, patterns, and reference designs Project and solution architecture reviews and recommendations Business case inputs and costing models Governance artifacts for architecture review and enterprise intake Risk and dependency assessments across initiatives Requirements Qualifications Education and Certifications Degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent experience Enterprise architecture certification such as TOGAF considered an asset Cloud architecture certification such as Azure or AWS considered an asset Experience 10+ years of progressive experience in IT, including significant experience in enterprise architecture or senior architecture roles Demonstrated experience developing enterprise architecture strategies, target-state models, and multi-year roadmaps Experience leading or supporting large-scale modernization initiatives including infrastructure, cloud, or digital transformation