OneMain Financial Jobs

What if you could redefine what’s possible?

With us, you can. You want Purpose. Growth. Opportunity. People who get it.

We are the home of ambitious, passionate, and innovative world shapers.

With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions.

We are pathfinders and impact makers.

We are Visioneers.

We are WSP.

The Opportunity

Build the future with us - As a Senior Proposal Manager , you will help shape winning strategies for some of the most impactful infrastructure, environmental, advisory, and engineering projects across Canada. You’ll collaborate with experts nationwide to develop compelling, client‑focused proposals that strengthen WSP’s position as an industry leader.

This is a one-year contract position.

Your Impact

• Lead the end‑to‑end development of high‑quality proposals for multidisciplinary pursuits.

• Facilitate strategy sessions and collaborate with technical teams to define win themes and value propositions.

• Develop compliant, persuasive content tailored to client needs and solicitation requirements.

• Manage timelines, deliverables, and stakeholder expectations across multiple concurrent pursuits.

• Coordinate reviews, incorporate feedback, and ensure brand, messaging, and quality standards are met.

• Analyze solicitation documents (RFPs, RFQs, EOIs) to identify requirements, risks, and competitive insights.

• Support continuous improvement by contributing to pursuit debriefs, content libraries, and best practices.

The Skills That Set You Apart

• Experience managing complex proposals in AEC, infrastructure, government, or related sectors.

• Strong understanding of public‑sector procurement processes.

• Ability to translate technical concepts into clear, compelling narrative.

• Skilled in project coordination, writing, editing, and deadline‑driven work.

• Proficiency with MS Office Suite; experience with proposal collaboration platforms is an asset.

• Adaptable, collaborative, and comfortable working in a fast‑paced pursuit environment.

Why Choose WSP?

We exist to shape communities to advance humanity. The brightest engineers, advisors and scientists from across the globe call WSP home.

• Proudly Canadian – we are a Top 100 Employer in Canada for 2026.

• A global community of brilliant minds – your next idea, mentor, or opportunity is always within reach.

• Limitless opportunities start here. Whether it’s across the country or around the globe, we help you tailor your role to match your ambition — because your growth drives ours.

• Flexible work, real balance – we recognize the importance of balance in our lives and encourage you to prioritize the balance in yours.

#WeAreWSP

Compensation

AB, BC, NT, NU, SK & YT: $104,100 – $138,000

MB & ON: $95,000 – $130,800

NB, NL, NS, PEI & QC: $94,100 – $124,900

Disclosure:

The final salary awarded for this role may vary from the above range based on several factors including, but not limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs. The wage range provided in this job posting may be subject to change for business purposes.

Make Your Mark with WSP

Ready to contribute to work that shapes communities across Canada? Join us and help deliver proposals that win meaningful, future‑shaping projects.

WSP is one of the world's leading professional services firms. Our purpose is to future proof our cities and environments.

We have over 65,000 team members across the globe. In Canada, our 12,000+ people are involved in everything from environmental remediation to urban planning, from engineering iconic buildings to designing sustainable transportation networks, from finding new ways to extract essential resources to developing renewable power sources for the future.

At WSP :

• We value our people and our reputation

• We are locally dedicated with international scale

• We are future focused and challenge the status quo

• We foster collaboration in everything we do

• We have an empowering culture and hold ourselves accountable

Please Note:

Health and Safety is a core paramount value of WSP. Given the importance of keeping one another safe it is expected that you comply with our Health, Safety & Environment (HSE) policy at all times as well as client HSE policies when working at client locations.

Offers of employment for safety-sensitive positions involving fieldwork are contingent upon candidates being able to perform key physical tasks of the job as described in the job posting and interview. This may include the ability to work in a variety of environmental conditions, such as remote or isolated areas, working alone, and in inclement weather (within safe and reasonable limits).

WSP welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

WSP is committed to the principles of employment equity. Only the candidates selected will be contacted.

WSP does not accept unsolicited resumes from agencies. For more information please READ THE FULL POLICY. (https://www.wsp.com/en-CA/careers/notice-to-staffing-agencies)