Description

The Senior Proposal Specialist is an experienced contributor who leads complex proposal efforts with autonomy and elevates proposal quality through expertise, judgment, and disciplined execution. This role serves as a proposal subject matter expert—supporting high-stakes proposals, strengthening differentiated messaging and visual storytelling, and shaping how work gets done by improving tools, templates, and AI-enabled workflows that increase efficiency and proposal impact.

RESPONSIBILITIES 

• Lead complex or high-stakes proposal workstreams end-to-end, ensuring submissions are compliant, compelling, and differentiated.
• Serve as a proposal best-practices resource and informal mentor to Specialists and Associate Specialists; coach on customer-focused messaging, process, and quality standards.
• Partner with pursuit teams and leaders to translate strategy into clear win themes, value messaging, and proof points across proposal sections.
• Drive quality uplift by improving clarity, structure, and visual storytelling; partner with design resources to enhance proposal look/feel and highlight Mortenson differentiation.
• Leverage and help refine approved AI tools and analytics workflows to improve drafting efficiency, consistency, and QA/QC; identify repeatable improvements that reduce rework.
• Contribute to the continuous improvement of the Proposal Hub / Playbook and shared libraries by capturing best-of content, proposing template upgrades, and strengthening standards.
• All other duties as assigned.

https://www.mortenson.com/careers/hq-business-support/senior-proposal-specialist-22400

Requirements

• Bachelor’s degree in Marketing, Communications, Business, or related field (or equivalent experience).
• 6–8 years of progressively responsible proposal experience. AEC industry experience is strongly preferred.
• Advanced proposal writing, editing, and strategic messaging skills.
• Ability to lead complex work independently and solve ambiguous problems with sound judgment.
• Strong facilitation and stakeholder collaboration skills.
• Ability to coach peers and elevate standards through continuous improvement.
• Strong understanding of proposal tools, content systems, and governance; ability to improve usability and adoption.
• Ability to leverage approved AI tools and analytics to improve efficiency and quality.
• Proficiency with Microsoft 365, InDesign, and proposal production workflows.