Proposal Writer

S.I. Systems ULC; Ottawa; Hybrid; CAD 55,000 - 75,000; Full time

Benefits offered by this job

Base plus bonus

Benefits from day one

3 weeks vacation + 6 flex days

Birthday day off

Hybrid work model

Career development

Learning resources and tools

Collaborative, high-impact environment

Job summary

S.i. Systems is seeking a Proposal Writer to create clear, compliant proposal content for competitive bids, leveraging AI tools and a centralized content library. You will collaborate with Proposal Managers, Capture Leads, and SMEs to deliver winning submissions.

Ideal candidates are recent graduates or professionals transitioning into proposal writing or strategic communications, in a hybrid work setting across Canada’s largest IT staffing firm.

Qualifications

• Strong professional writing skills in business development, consulting, communications, or technical contexts.
• Ability to translate complex input into clear, customer-focused narratives.
• Experience creating structured content aligned to defined criteria or rubrics.

Responsibilities

• Draft and refine proposal sections for first- and second-stage submissions using AI-assisted tools.
• Translate complex technical and business input into clear, customer-focused narratives.
• Maintain consistent tone, structure, and messaging across deliverables.
• Ensure content meets solicitation instructions, templates, and formatting standards.

Skills

Proposal writing

Editing / proofreading

Communication

Content development

Education

Bachelor's degree or equivalent in English / communications

Tools

Microsoft Office

Adobe Acrobat/Pro

Job description

Employment Type: Full-Time, Permanent (Hybrid)

To be eligible for this role, you must have or be eligible to obtain a Government of Canada Reliability Status Screening (Canadian Citizen or Permanent Resident AND have resided in Canada for the last 5 consecutive years).

Ready to launch a meaningful career and leave routine work behind? Join S.i. Systems as a Proposal Writer and become part of our growing AI-Enabled Proposals Office. This opportunity is ideal for recent graduates or professionals looking to transition into proposal writing, business development, or strategic communications.

In this role, you’ll create clear, compelling proposal content for competitive bids, leveraging generative AI tools, streamlined processes, and a centralized content library. Working closely with Proposal Managers, Capture Leads, and subject matter experts, you’ll help deliver high-quality, compliant proposals that drive winning outcomes.

Our Proposals team is collaborative, innovative, client-focused, and loves to win. If you’re detail-oriented, eager to learn, and excited to work with leading-edge tools, we’d love to hear from you.

REASONS TO WORK FOR US

• Compensation structure that includes both base and bonus
• Competitive Health and Wellness benefits that start on your first day of employment
• 3 weeks of paid vacation plus 6 flex days
• Birthday day off
• Hybrid Working model - 3 days onsite (Monday, Tuesday, Thursday)
• Opportunities to develop your career and grow in Canada’s largest IT staffing company
• A commitment to learning – training, resources and tools provided to all employees
• Be part of a high-impact environment where you’ll collaborate across teams, influence key initiatives, and see the results of your work.

JOB RESPONSIBILITIES

• Draft and refine proposal sections for first- and second-stage submissions using AI-assisted tools.
• Translate complex technical and business input into clear, customer-focused narratives.
• Maintain consistent tone, structure, and messaging across deliverables.

Compliance & Quality Assurance

• Ensure content meets solicitation instructions, evaluation criteria, templates, and formatting standards.
• Use AI-enabled quality checks to review structure, grammar, consistency, and compliance.

Collaboration & Stakeholder Support

• Partner with Proposal Managers, Capture teams, and SMEs to gather and validate content.
• Support the integration of win themes, differentiators, and customer insights.
• Maintain and enhance reusable content in the centralized proposal library.
• Contribute to improvements in templates, workflows, and AI-enabled writing practices.

WHAT YOU BRING TO THE ROLE

• Strong professional writing skills, ideally in business development, consulting, communications, or technical environments.
• Formal education, a degree, diploma, or equivalent experience in a related field such as English, technical writing, communications, marketing, business, or a similar discipline;
• Have a high proficiency with Microsoft Office (Word, Excel, Power Point) and Adobe Professional
• Comfort working with AI writing tools, standardized templates, and content libraries.
• Experience producing structured content aligned to defined criteria, rubrics, or specifications.
• Ability to synthesize information from multiple sources into a cohesive narrative.
• Strong attention to detail and commitment to accuracy and quality.
• Must be able to work in a fast-paced results driven environment with multiple projects and tight deadlines
• Keen attention to details, proven organizational and time management skills

Preferred Qualifications but not necessary

• Experience with proposal automation or content management platforms (e.g., Responsive, SharePoint).
• Exposure to marketing communications, proposal coordination, or project-based work.
• Interest in AI-enabled workflows or continuous process improvement.

Success in This Role Looks Like

• Consistent on-time delivery of high-quality proposal sections.
• Strong compliance with solicitation requirements and internal quality standards.
• Clear, evaluator-friendly narratives that improve proposal scoring.
• Increased efficiency through effective use of AI-assisted writing tools.
• Well-maintained and reusable proposal content that supports future bids.

AI may be used in evaluating candidates.

About S.i. Systems

S.i. Systems is Canada’s largest professional staffing provider, working with many of Canada’s most prestigious organizations. With locations across Canada and a growing presence in the U.S., we have experienced over 20 years of rapid growth and continue to expand at an exciting pace.

S.i. Systems is committed to fostering a positive and progressive workforce. We provide equitable treatment and accommodation to ensure barrier-free employment. If you require accommodation due to a disability, please contact Human Resources to ensure you can fully access and participate in our recruitment process.