Senior Proposal Lead/Manager - WSP, Mississauga

The Opportunity

Join WSP as a Senior Proposal Lead/Manager in Mississauga or Toronto and play a pivotal role in securing complex, high-value opportunities across Canada. This strategic position empowers you to shape winning proposals by translating client needs, technical expertise, competitive intelligence, and compelling storytelling into submissions that stand apart. You'll partner with technical, commercial, and executive leaders to shape winning strategies for major pursuits, strengthen proposal quality, and elevate how WSP brings its Earth & Environment expertise to market. This is a chance to make a visible impact on the work we win and the communities we help shape.

Key Duties

• Lead the end-to-end development and execution of pursuit strategies for complex, multidisciplinary opportunities across priority markets.
• Facilitate Go/No-Go evaluations and provide strategic recommendations to business leaders.
• Develop and drive capture plans, win themes, value propositions, competitive positioning strategies, and client-focused messaging aligned with WSP’s strategic growth objectives.
• Partner with multidisciplinary technical, commercial, and executive leaders to deliver compelling, compliant, and differentiated submissions.
• Ensure proposal quality, compliance, and alignment with client requirements, evaluation criteria, and WSP standards.
• Conduct client, competitor, and market intelligence research to support strategic decision-making.
• Contribute to account and growth planning initiatives for key clients and target markets.
• Monitor and report on proposal performance metrics and contribute to win-loss analysis, lessons learned, and continuous improvement programs.
• Advance proposal best practices, content management, knowledge sharing, tools, and process improvements.
• Mentor proposal teams to support growth and development.
• Champion the adoption of emerging technologies, including AI-enabled proposal and pursuit tools, to drive efficiency, innovation, and proposal excellence across the business.
• Serve as a trusted advisor to project managers, business leaders, and senior executives throughout the pursuit lifecycle.

Requirements

• Minimum of 8 years’ experience leading strategic and complex pursuits, capture planning, and proposal development within the AEC, environmental consulting, engineering, infrastructure, advisory, or professional services sectors.
• Strong understanding of competitive pursuit strategy, proposal governance, and public and private sector RFP processes.
• Demonstrated ability to develop persuasive win strategies and translate technical solutions into compelling, client-focused value propositions.
• Strong business acumen and strategic mindset with the ability to influence senior stakeholders.
• Demonstrated success leading large, cross-functional, and virtual pursuit teams across regions in a fast-paced, deadline-driven environment.
• Exceptional written and verbal communication skills, attention to detail, and stakeholder management skills.
• High proficiency with Microsoft 365, Adobe Creative Cloud applications, and proposal development platforms and tools.
• Demonstrated experience leveraging AI technologies and automation to improve proposal development, research, content management, productivity, and pursuit outcomes.
• Proven experience supporting Federal Government of Canada pursuits and proposal submissions is an asset.
• APMP and/or PMP certification is considered a strong asset.
• Bilingualism in English and French is considered an asset.

What's on Offer

At WSP, you’ll join a global community of brilliant minds dedicated to shaping communities and advancing humanity. As a proud Top 100 Employer in Canada for 2026, WSP offers a supportive environment where your ideas are valued, and your growth is supported. We believe in limitless opportunities, helping you tailor your role to match your ambition because your growth drives ours. Explore WSP careers and discover a place where you can make a lasting, positive impact.

• A global community of brilliant minds – your next idea, mentor, or opportunity is always within reach.
• Limitless opportunities to tailor your role and career path.
• Flexible work, real balance – we encourage you to prioritize balance in your life.
• Competitive compensation: For roles in Ontario, the salary range is $95,000 – $130,800.