
The Senior Proposal Specialist role serves as a subject matter expert within Mortenson's proposal team, leading complex, high-stakes writing efforts for the construction and engineering sector. Key responsibilities include managing end-to-end proposal development, coaching junior specialists on messaging and quality standards, and driving efficiency by refining AI-enabled workflows and content libraries. This position appeals to candidates seeking a collaborative environment where they can shape best practices and leverage technology to enhance visual storytelling. The role supports a mission-driven culture focused on building a lasting positive impact in the built environment. It operates under a hybrid work arrangement, combining remote flexibility with on-site collaboration.























