Proposal Writer Job at RSI Security in St. Louis

Proposal Writer

Location : Remote

Department : Sales & Growth

Reports To : Proposal Manager

Type : Permanent, Full-Time, Direct Hire

Please ensure you read through the entire job posting and understand the work model, expectations, requirements, location, and qualifications for this role.

About Us

RSI Security is a leading cybersecurity compliance firm that specializes in providing comprehensive security assessment, advisory, and technical security testing services. We support organizations in navigating the complex cybersecurity landscape, ensuring they achieve and maintain compliance while managing risks effectively.

Position Summary

RSI Security is a premier cybersecurity and compliance advisory firm, serving organizations in highly regulated industries such as healthcare, financial services, and government. We are seeking a Proposal Writer who thrives in a fast-paced, detail-oriented, and mission-driven environment. This role is responsible for developing clear, compliant, and compelling responses to RFPs, RFIs, and SSNs, and for contributing to the continuous improvement of our proposal content library.

You will collaborate cross-functionally with subject matter experts, sales, marketing, and design to ensure that every submission reflects RSI’s excellence, brand integrity, and client-focused value proposition.

What You’ll Do

• Manage assigned proposal requests from initial analysis through final delivery, ensuring compliance with instructions and alignment with RSI’s capabilities.
• Analyze client requirements, conduct background research on target organizations, and stay informed on competitor positioning and industry trends to sharpen proposal messaging.
• Draft, revise, and polish content across all proposal sections, executive summaries, scopes of work, resumes, methodologies, case studies, and pricing narratives.
• Contribute to the development and maintenance of reusable content libraries, templates, and modular proposal components to improve consistency and efficiency.
• Coordinate with SMEs, sales leads, designers, and leadership to gather inputs, validate technical details, and align responses with strategic messaging.
• Ensure all written deliverables are accurate, well-formatted, brand-consistent, and delivered on time under tight deadlines.
• Work closely with graphic designers to transform complex concepts into clear and persuasive visuals, diagrams, and infographics.

What You’ll Bring

Mindset We Value

What We Offer

Our commitment to equity, equal opportunity, inclusion, and diversity is part of our broader commitment to respecting fundamental human rights across our value chain. RSI Security is proud to be an Equal Opportunity Employer. The Company will consider for employment qualified applicants with arrest and conviction records.

Equal Opportunity Employer / Veterans / Disabled

For more information on RSI Security, please visit our website – www.rsisecurity.com or our social media RSI Security LinkedIn . On our career site , you will find some of the key steps you can expect to guide you along the way.

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