Proposal Writer

About Forterra

Forterra is a leading provider of autonomous systems for ground-based movement in the working world. Amongst some of the earliest innovators in the field of driverless technology, Forterra is focused on building systems that protect front-line soldiers and enable civilian workers in our industrial base. Forterra is the go-to provider of ground autonomy solutions for the U.S. Department of Defense, which harnesses the technology for asymmetric warfare in critical conditions.

Forterra is seeking a skilled and versatile Proposal Writer to support the company’s growth efforts across a range of business development activities. This role will be responsible not only for developing compelling, compliant proposal content, but also for supporting the creation of other strategic customer‑facing materials, including RFI responses, solution briefs, white papers, capability statements, executive summaries, and related business development content.

This is an ideal role for a strong writer who understands how to translate complex technical, operational, and strategic concepts into clear, persuasive content tailored to government and defense customers. The right candidate is highly organized, collaborative, detail-oriented, and comfortable working in a fast‑paced environment with cross‑functional stakeholders.

The Proposal Writer will partner closely with capture, growth, technical, program, and leadership teams to develop high-quality written products that strengthen Forterra’s competitive positioning and support successful pursuit outcomes.

• Write, edit, and refine proposal content for U.S. Government and defense opportunities
• Support development of a broad range of business development materials, including:
• RFI responses
• Sources Sought responses
• Solution briefs
• White papers
• Capability statements
• Executive summaries
• Customer‑facing briefing materials
• Other strategic pursuit and growth content
• Translate technical, operational, and programmatic inputs into clear, compelling, and customer‑focused written responses
• Work with capture and growth teams to develop win themes, discriminators, and messaging that align with customer priorities
• Interview subject matter experts and cross‑functional contributors to gather content and convert it into polished written products
• Ensure written materials are accurate, consistent, compliant, and aligned with solicitation or customer requirements
• Support proposal content development through storyboarding, outlining, drafting, editing, and incorporating review feedback
• Help tailor messaging and content to specific customers, missions, and opportunity strategies
• Maintain and improve reusable content libraries, templates, and writing standards
• Contribute to continuous improvement of proposal and business development writing processes, tools, and best practices

• A detail‑oriented and process‑driven professional with a passion for complex problem‑solving in high‑stakes environments.
• Someone who thrives in fast‑paced, deadline‑driven environments and enjoys collaborating with both technical and business teams.
• A strong communicator who can distill complex technical input into clear, persuasive, and compliant proposal responses.
• A proactive contributor who anticipates needs, takes ownership of deliverables, and consistently meets deadlines.

• Relevant experience in proposal writing, proposal development, business development writing, technical writing, or federal/defense communications
• Strong writing, editing, and storytelling skills, with the ability to turn complex inputs into clear and persuasive content
• Experience supporting U.S. Government, Department of Defense, or federal contracting pursuits
• Familiarity with proposal development and business development materials such as RFIs, sources sought, white papers, and solution briefs
• Strong attention to detail and ability to manage multiple assignments under deadline
• Ability to work effectively with technical, business, and executive stakeholders
• Strong verbal communication skills, including the ability to interview contributors and synthesize disparate inputs
• Ability to balance…