Proposal Assistant Jobs in Colorado (NOW HIRING)

Requisition ID: 180763
Job Level: Mid Level
Home District/Group: 1Estimating Infrastructure
Department: Business Development & Proposals
Market: Transportation
Employment Type: Full Time
Position Overview
As a Proposal Specialist, you will work on some of the most complex and exciting projects across the United States. If you are looking for a career that is both challenging and rewarding, that offers the opportunity to work collaboratively, and that provides variety and opportunity, this might be the perfect opportunity for you!
In this role, you will have the opportunity to manage full proposal lifecycles for smaller infrastructure pursuits, while also playing an integral role on large-scale opportunities valued at $1B+, by leading key proposal sections within a broader team. The successful candidate will have excellent project management and communication skills, experience in a fast-paced environment, and an interest in engineering and construction. You have experience managing proposals and facilitating integration of the pursuit team. You work well both individually and in a team environment and are comfortable with tight deadlines.
We offer diverse career opportunities, strong leadership and mentorship, a collaborative work environment, and responsibility you won't find just anywhere.
District Overview
Kiewit Infrastructure Proposal Services supports Kiewit's Get Work efforts from qualifications through the interview phases. Team members enjoy working with a variety of pursuit teams across the United States to develop winning strategies and content for each proposal. We work on pursuits procured using traditional and alternative-delivery models, including CMGC, design-build, progressive design-build, and other best-value models. We take a collaborative and integrated approach to developing winning proposals through brainstorms, critical concept meetings, and regular proposal reviews.
On our team, you'll have the opportunity to truly make a difference to the communities around us. Kiewit's reach into a wide range of locations, markets, projects, and contract types will expand your horizon and accelerate your career. By joining Kiewit, you're ensuring a lifetime of success: we will train you, develop your skills, and allow you to take on projects that impact millions across North America. We offer top-notch health benefits, a wealth-building 401k plan with a generous company match, 4 weeks of paid time off per year, and unbeatable growth opportunities.
Location
This position is based out of our Lone Tree, CO office.
Responsibilities
• Serve as a regional proposal resource working within a team to deliver high-quality, winning proposals
• Lead and deliver high-quality, complex proposals while supporting other ongoing proposal work
• Analyze and interpret procurement documents (RFI, RFQ, RFP) and requirements to develop and manage proposal tools (compliance matrix, schedule, etc.) and comprehensive response documents (proposal outlines, non-technical sections, etc.)
• Partner with pursuit teams to develop and actively manage proposal execution plans, adjusting scope, priorities, and timelines to align with evolving pursuit needs. Lead and facilitate proposal kick-off meetings, milestone color reviews, and recovery periods, with a focus on driving alignment, clarifying win strategy, and maximizing effective engagement with pursuit teams
• Manage and coordinate proposal content development across multiple contributors to ensure compliance with client objectives and requirements, and consistency with proposing entity's strategy and approach
• Organize and facilitate strategy and storyboarding sessions to incorporate concepts and data into deliverable documents
• Lead proposal and graphics staff and/or partners in developing deliverables
• Collaborate with and interview subject matter experts to secure information for various writing assignments to prepare compliant and compelling written proposal content
• Develop a working understanding of various delivery models (e.g., design-build, CMGC, progressive design-build) and tailor proposal strategies and content accordingly
• Serve as lead writer for various technical and non-technical proposal sections (e.g., project descriptions, qualification summaries, resumes, project approach, etc.)
• Collaborate with the creative team to conceptualize and integrate compelling graphics to convey proposed solutions
• Make accurate and timely formatting, edits, and revisions to documents and adjust schedule, as required
• Ability to leverage AI and digital tools to support content development and efficiency, with a strong emphasis on critical review, accuracy, compliance, and alignment with proposal strategy
• Understand and apply proposal methods and tools, consistently implement standard best practice processes
• Lead or assist in the production and on-time delivery of proposals (electronic and hard copy)
• Assist with maintaining, monitoring, and managing proposal database, files, and systems through appropriate information management systems
• Support development and continuous improvement of best practices and templates, data platforms, and style guides
• Ensure consistent, timely communication across the proposal team and subject matter experts, including updates on progress, risks, and changes that may impact the pursuit; proactively seek out required information and escalate issues to support on-time, high-quality delivery
Qualifications
The successful candidate will possess all or most of the following:
• 3+ years of proposal coordination/writing experience in engineering/construction or similar industry
• Bachelor's degree in Marketing/Communications, Journalism, English, Liberal Arts, Construction Management, Environmental Science, Engineering, or equivalent
• Proficiency in Adobe InDesign
Required Skills
• Comfortable and effective virtual and in-person meeting facilitator
• Effective communicator, with strong writing skills, including ability to write concise, compelling, and compliant technical and non-technical content
• Self-motivated, with ability to deliver high-quality work in a deadline-driven environment
• Ability to prioritize, balance, and successfully complete multiple tasks simultaneously
• Action-oriented with an ability to take on and solve problems
• Ability to work collaboratively with professionals throughout the organization from various backgrounds
#LI-JT1
Other Requirements:
• Regular, reliable attendance
• Work productively and meet deadlines timely
• Communicate and interact effectively and professionally with supervisors, employees, and others individually or in a team environment
• Perform work safely and effectively. Understand and follow oral and written instructions, including warning signs, equipment use, and other policies.
• Work during normal operating hours to organize and complete work within given deadlines. Work overtime and weekends as required.
Base Compensation: $80,000/yr - $88,000/yr
(Actual compensation is subject to variation due to such factors as education, experience, skillset, and/or location)
This posting will be active from: 05/11/2026 - 09/01/2026
We offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.
Equal Opportunity Employer, including disability and protected veteran status.
There's no limit to what you'll do at Kiewit. Whether you're building or supporting projects that provide communities with dependable energy, safe transportation, clean water, or access to health care, the work you do will positively impact people's lives for generations to come.
Here you'll have endless opportunities to expand your expertise through on-the-job experience and internal and external training and development opportunities.
We offer our full-time staff employees a comprehensive benefits package that's among the best in our industry. From top-tier health care programs to employee assistance programs and retirement planning, we aim to provide you with the tools you need to be successful in the areas of life that matter most to you.
Kiewit is an equal-opportunity employer, and we believe a diverse workforce is vital to the success of our business. We continue our efforts to attract, develop and retain employees from all backgrounds who are passionate about our industry.
We are committed to veteran and military hiring and will consider relevant military experience as equivalent to qualification requirements.