AECOM is seeking a highly talented Proposal Specialist II to join our West Region Marketing team. This role will work in collaboration with business development and operations team on pursuits, including partnering in the preparation of formal and informal client solicitations, including expressions of interest (EOI), requests for qualifications (RFQ), requests for proposals (RFP), and pre-qualification efforts.Job Responsibilities will include, but not be limited to: Lead the annual SOQ and prequalification process for AECOM’s Transportation Business Line, ensuring timely, accurate, and compelling submissions to municipal, regional, and state transportation agencies.Manage a schedule of recurring client submittals, including tracking due dates, coordinating updates, and maintaining compliance with client-specific requirements.Collaborate with technical and operational leaders to gather project information, staff resumes, and experience narratives that align with client priorities and market trends.    Develop clear, tailored, and persuasive content that communicates AECOM’s expertise, differentiators, and value to each client.Maintain and update marketing collateral including project descriptions, staff bios, safety and QA/QC narratives, and standard firm materials for currency and consistency.Ensure brand, style, and quality standards are upheld across all submittals and materials in alignment with AECOM’s global marketing and communications standards.Partner with pursuit and client account teams to support strategic positioning and prequalification efforts for upcoming pursuits.Monitor and track client prequalification systems (e.g., vendor registration, portal maintenance) to maintain active status and compliance.Support knowledge sharing and process improvement across the marketing team by developing templates, style guides, and best practices for water-related submittals.Collaborate cross-regionally to leverage and adapt materials, share content, and support major pursuits as needed.