S.i. SystemsVerified Job Source

Proposal Writer

Ottawa, ON
Hybrid
Posted Aug 21, 2026
1 position

Opens an external site

Employment type: Full-time
Experience level: Entry, Junior · 0+ years
Minimum education: Bachelor’s degree
Posting language: English
Working hours: 40 hours per week
Office presence: 3 days per week

Job summary

The Proposal Writer will draft and refine proposal content using AI-assisted tools while ensuring compliance with solicitation requirements. They will collaborate with internal teams and subject matter experts to maintain a centralized content library and improve proposal workflows.

Job details

Location: Ottawa 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. Apply today! 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 * 5 paid volunteer days per year * 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: Proposal Content Development (AI-Supported) * 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. Content & Continuous Improvement * 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. Salary: $60,000 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. If this sounds like the right fit for you, apply today. 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. #SIS1

What you’ll do

Requirements

Candidates should possess strong professional writing skills and a degree or equivalent experience in a relevant field such as communications or business. Proficiency in Microsoft Office and comfort with AI writing tools are essential for success in this role.

Benefits

• Base and bonus compensation structure • Health and wellness benefits • 3 weeks of paid vacation • 6 flex days • Birthday day off • 5 paid volunteer days per year • Training and resources