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Senior Proposal Coordinator - MWH MWH Constructors $90000.00-$120000.00 life insurance, parental leave, paid holidays, short term disability, long term disability, flex time, 401(k) United States, California, Corona Oct 28, 2026 MWH is a leading water and wastewater treatment-focused general contractor in the US with a rich history dating back to the 19th century. Fueled by the mission of Building a Better World, our teams are rapidly growing across the nation. As a company committed to our team's well-being and growth, we offer a supportive work environment, opportunities for advancement, and the chance to contribute to a mission that shapes the future. Your expertise and ambition are valued here. The work we do matters. The critical systems infrastructure we build changes lives, betters' communities, and improves ecosystems. If you're passionate about this, we want to hear from you! About the Role MWH is currently seeking a qualified Senior Proposal Coordinator for our Phoenix, AZ or Corona, CA office. The Senior Proposal Coordinator independently leads the development of compelling proposals, statements of qualifications (SOQs), supports interview presentations, and supports marketing efforts as applicable under the guidance of the Proposal Manager. This position leads and coordinates a project team of writers, editors, designers, and subject matter experts to develop, design, write, edit, and finalize complex construction-related proposals, forms, and qualification packages. Essential Functions Owns and confirms strategy, planning, development, and delivery of complex pursuits from kickoff through submission.

Analyze

RFQ/RFP/Q

requests and develop compliance matrices, proposal schedules, outlines, and assignment plans to ensure successful submissions.

Serve as the primary point of contact for assigned pursuits, coordinating activities with technical staff, project managers, business development professionals, and operational leadership.

Lead proposal kickoff meetings, reviews, and pursuit-related communications to ensure alignment with submission requirements and deadlines.

Develop, write, edit, and customize proposal content, including executive summaries, project approaches, management plans, and other narrative sections.

Collaborate with pursuit teams to develop win themes, differentiators, key messages, and client-focused content that strengthens proposal competitiveness.

Manage and maintain resumes, project descriptions, boilerplate content, and qualifications materials to support proposal development efforts.

Conduct quality assurance and compliance reviews to ensure submissions meet client requirements, company standards, and branding guidelines.

Manage multiple concurrent pursuits while maintaining high standards of quality, accuracy, and timeliness.

Support capture and pursuit planning activities by conducting opportunity research, and coordinating pursuit strategies.

Identify and implement improvements to proposal processes, tools, and content management systems to increase efficiency and effectiveness.

Support strategic business development initiatives and key pursuits as required.

Basic Qualifications:

At least 5 years of experience producing document layouts (50+ pages), templates, marketing materials, and graphics using Adobe Creative Cloud products and Microsoft Office.

A 4-year degree in graphic design, visual communication, or related field, or equivalent combination of education and experience.

Proficient in Adobe Creative Suite.

Proficient in Microsoft Office products (Word, Excel, PowerPoint, Teams, PowerBI, etc.).

Must be a detail-oriented team-player with the ability to multitask.

Must be able to produce high-quality deliverables under strict deadlines.

Prior experience with print production (tabs, full-bleed pages, wrapped binders, etc.).

Excellent written and verbal communication, outgoing and articulate in-person and on the phone.

Adapt to changing priorities and meet tight deadlines. KPIs Lead assigned proposals from kickoff through submission.

Deliver 100% of proposals by established deadlines.

Maintain high proposal quality with minimal rework.

Ensure 100% compliance with RFQ/RFP requirements.

Develop compelling, client-focused proposal content and messaging.

Effectively manage multiple concurrent pursuits.

Lead proposal schedules, reviews, and coordination meetings.

Maintain current and accurate resumes, project descriptions, and proposal content libraries.

Complete required training and professional development activities. Compensation The anticipated budgeted salary for this position is set at $90,000 - $120,000 per year Benefits Group health & welfare benefits including options for medical, dental and vision

100%

Company Paid Benefits:

• Employee Life Insurance & Accidental Death & Dismemberment (AD&D), Spouse and Dependent Life & AD&D, Short Term Disability (STD), Long Term Disability (LTD), Employee Assistance Program and Health Advocate
• Voluntary benefits at discounted group rates for accidents, critical illness, and hospital indemnity
• Flexible Time Off Program (includes vacation and personal time)
• Paid Sick and Safe Leave
• Paid Parental Leave Program
• 10 Paid Holidays
• 401(k) Plan (company matching contributions up to 4%).

Employee Referral Program MWH Constructors is a global project delivery company in heavy civil construction with a focus on water and wastewater treatment infrastructure. With the ultimate goal of delivering maximum value to clients and their local communities, MWH Constructors provides single-source, integrated design and construction services through a full range of project delivery methods. Incorporating industry-leading preconstruction and construction services, the Company's multi-disciplined team of engineering and construction professionals delivers a wide range of projects, including new facilities, infrastructure improvement and expansion, and capital construction services. Equal Opportunity Employer, including disabled and veterans. Please note that all positions require pre-employment screening, including drug and background check, as a condition of employment. MWH Constructors does not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes/profiles sent to MWH in any way will be considered MWH property. MWH will not pay a fee for any placement resulting from the receipt of an unsolicited resume or profile. Agencies must obtain advance written approval from MWH Recruiting team to submit resumes/profiles, and then only in conjunction with a valid fully executed contract for service and in response to a specific job opening. MWH will not pay a fee to any agency that does not have such agreement in place. We thank you for your cooperation. #LI-JB1 #LI-Hybrid Notify me of jobs like this