Proposal Writer Remote Jobs in California (NOW HIRING)

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AECOM is seeking a Proposal Specialist III to assist in writing water business line proposals. This role will work closely with the West marketing team, business operations, and support staff to bring strong leadership, sharp compliance, skilled writing, and creativity to some of our must-win West pursuits. The job includes leading large proposals and presentations, and supports from pre-RFP project positioning through to interview stage, as required.

This will be a hybrid position including a combination of both remote and in-office work schedules, that can be based in either our Los Angeles, CA or Orange, CA offices.

Responsibilities include, but are not limited to the following:

• Demonstrates substantial expertise as a marketing and proposal management generalist or specialist.
• Leading a variety of proposals and presentations from pre-RFP positioning through to interview stage, as required. Participate in go/no-go and green light analyses in compliance with delegation of authority guidelines, capture planning and positioning activities as they pertain to preparation for the proposals.
• Interfaces with technical and BD staff to develop submittals and materials to win new contracts for the company, and to manage the information infrastructure that enables the business to do so efficiently.
• Provides leadership and direction to pursuit teams for proposals, including schedule, templates, compliance, content planning, messaging and production. May serve as lead writer/editor for resumes and past performance sections for proposals.
• Provides document design, while ensuring RFP instructions and internal brand guidelines pertaining to format, fonts, etc. are being followed.
• Participates in go/no-go and greenlight analyses, capture planning and positioning activities as they pertain to preparation for the proposal.
• Facilitates pink and red team, quality reviews, and applies lessons learned to add value to proposals. Manages the implementation of proposal and presentation revisions based on direction from review teams. Writes and edits tailored resumes and past performance sections for proposals. Provides grammatical and technical editing to ensure quality.
• Supports special projects, as required.

Minimum Requirements:

• Bachelors and 4+ years of managing design proposals, in particular winning work for facility design-bid-build and design-build pursuits or a demonstrated equivalency of experience and/or education.
• A developed understanding of effective proposal and presentation strategy development and compliance, and writing and production.

Preferred Qualifications:

• Working knowledge of and interest in the A/E industry, including AECOM’s projects, people, credentials, and competitors is highly preferred
• A detailed knowledge of marketing best practices and procedures, work processes, and tools.
• A strong working knowledge of InDesign as well as Microsoft Word, Excel, PowerPoint, and Adobe Acrobat.
• A working knowledge of collaborative tools such as Microsoft Teams, SharePoint, etc.
• An understanding of CRM Salesforce experience is a plus.
• Initiative, skill, and personal commitment to manage multiple projects and details concurrently, follow up, and bring tasks and projects to full completion.
• Ability to produce accurate, compliant, and compelling work independently and with others.
• Experience demonstrating leadership qualities.
• Ability to produce accurate, compliant, and compelling work independently and with others.
• Excellent writing skills, with an aptitude and attention to detail.
• Proven organizational and administrative skills, including the ability to complete varied work tasks on schedule, and lead deliverable efforts by others; and the proven ability to manage documents.

• This position does not include sponsorship for United States work authorization now or in the future
• Relocation assistance and/or per diem is not offered for this position

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.