Sr. Proposal Manager

Aecon • Seattle, WA

11d • Onsite

About The Position

Aecon delivers some of the most complex and impactful infrastructure projects — from transformative transportation networks to critical energy, industrial and nuclear programs. The projects we build connect communities and power future generations. With deep roots in North America and a strong footprint internationally, Aecon brings global expertise and proudly serves public and private sector clients through its Construction and Concessions segment.

Safety Always is not only our #1 core value – it is the standard that anchors our culture. We believe the most ambitious projects deserve the most committed people. At Aecon, you won’t just build your career — you’ll help build what matters to enable future generations to thrive.

At Aecon, you can count on:

Safety Always. Our number one core value. The safety of our people, projects, partners, and stakeholders is our priority focus – today and always.
Integrity. We lead by example, with humility and courage.
Accountability. We’re passionate about delivering on our commitments.
Inclusion. We provide opportunities where people feel valued, supported, and empowered to contribute fully.

We deliver infrastructure with purpose, and our people are at the heart of everything we do. Aecon employees are incredibly proud to build some of the most impactful infrastructure of this generation – we call it Aecon Proud.

At Aecon we:

Ensure you and your family receive the services and benefits needed to support your mental, emotional, and physical well-being.
Be intentional about investing in your development. We support career growth and skill advancement through Aecon University, tuition reimbursement, and leadership programs.
Commit to creating work environments grounded in mutual respect, teamwork, collaboration, and innovation. This is supported through meaningful initiatives and training, partnerships with Veteran groups, Aecon Women in Trades and diversity programs, and Employee Resource Groups (ERGs) that help us build top talent and harness our collective strengths across our culture.
Operate responsibly by managing risk, safety, and environmental considerations across all projects and the communities we serve.

Our success is built on the passion, expertise, and dedication of our people. Together, we embrace strong execution, innovation, and continuous improvement — values that come to life through the unique talents and collaborative spirit of every team member. If you’re inspired to make a difference through future-building projects, join our best-in-class team.

What is the Opportunity?

Reporting to the Preconstruction Director, the Sr. Proposal Manager will be responsible for managing, developing and writing Request for Qualifications (RFQs), Request for Proposals (RFPs), Expression of Interests (EOIs) and Market Sounding submissions for major infrastructure projects in Western Canada and the Western United States. The Sr. Proposal Manager will have strong technical writing skills and the ability to work in a deadline-driven environment. As part of the pre-construction team, the Sr. Proposal Manager will work closely with internal and external stakeholders to develop high-quality submissions to secure new work. Time allocation for this position is approximately 70% reading/writing/editing/formatting and 30% organizational and proposal management activities. This position will be based from Aecon’s office in Kent, Washington. There will be travel required for meetings; industry events; and coordination of teaming events.

Requirements

• Strong communication and writing skills in English language
• A University-level degree in English, journalism, communications, marketing, business or related field
• Experience leading large and complex civil infrastructure proposals
• Experience leading proposals with large joint venture teams
• Advanced skills in Microsoft Word, Excel, PowerPoint and SharePoint
• Ability to work in a fast-paced, deadline-driven environment
• High degree of organization skills and attention to detail
• Demonstrated leadership and accountability with strong interpersonal skills
• Ability to work collaboratively and effectively in teams
• Excellent time management skills with the ability to plan, manage and prioritize multiple assignments and tasks
• Ability to gather, synthesize and effectively present technical information for a range of audiences
• Strong analytical and problem-solving skills
• Strong decision-making skills
• A champion of diversity and inclusion

Nice To Haves

• Advanced skills in Adobe InDesign, Photoshop and Illustrator considered an asset
• Marketing and graphic design experience considered an asset
• Technical construction background with a focus in civil, structural, or related discipline considered an asset

Responsibilities

• Manage and develop Aecon’s formal submissions in response to RFQs, RFPs, EOIs, and Market Soundings
• Lead large proposals with multiple external joint venture (JV) partners
• Oversee and manage the work of the proposal coordinator and other proposal support staff
• Schedule and lead proposal meetings, including working groups and pink, red and gold reviews
• Develop proposal calendars, responsibility matrices and proposal templates
• Write, edit and format proposal sections, management plans, resumes and project sheets
• Assign, track and ensure timely delivery of proposal content from internal and external partners
• Research relevant statistics (e.g. tracking previous project experience and work history), project work plans and other sources of information to extract relevant content
• Support additional content development from subject matter experts and site personnel
• Ensure that all content supplied by the team is compliant with the proposal requirements
• Organize and schedule team meetings, prepare meeting agendas and take meeting minutes
• Print, package and deliver final proposal submissions or submit electronically as required
• Manage SharePoint or other document management systems (e.g., OneDrive)
• Perform data entry to maintain accuracy of pursuit reports and scheduling
• Work with graphic designers to develop JV logos, team branding, binder and tab designs, proposal graphics
• Ensure binders, USBs, tabs, covers and other materials are ordered and available for final assembly of proposals
• Attend pre-bid meetings, post-bid debriefs and summarize results and lessons learned to report back to the pre-construction team
• Drive an inclusive culture to promote equity, welcome different perspectives and foster a sense of belonging
• Some travel may be required

Benefits

• Health Insurance Benefits (comprehensive Plan- Dental/Medical/Vision)
• 401K (comprehensive match plan)
• Vacation - Paid Time Off
• Health and Wellness Home Benefit (wellness subsidy for fitness/health)
• Tuition Reimbursement (strong career growth support for approved degrees, diplomas and courses)
• This role is eligible to participate in Aecon’s discretionary Short Term Incentive Plan (STIP)
• Green Home Energy Benefit (a subsidy that can be used for approved green home energy expenses)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior