Description Job Purpose:The Senior Proposal Writer is responsible for leading the development of high-impact, client-facing proposals that support revenue growth. This role partners closely with Sales, Solution Architects, and Leadership to shape win strategies, craft compelling narratives, and deliver compliant, high-quality RFP/RFI responses that differentiate CallTower in the CX, CCaaS, AI and UCaaS market. Duties:In the context of tenders, the Senior Proposal Writer is responsible for coordinating key activities related to the process. Their responsibilities include: Proposal Strategy & DevelopmentLead end-to-end RFP/RFI responses, including strategy, messaging, and positioningDevelop win themes and value propositions aligned to client needs and competitive landscapeTranslate technical solutions into explicit, compelling business narratives Cross-Functional LeadershipPartner with Sales, Pre-Sales, Product, Legal, and Delivery teams to shape responsesFacilitate proposal strategy sessions and stakeholder alignment to meet response deadlines Process & Content OptimizationMaintain and evolve reusable content library and templatesDrive continuous improvement of proposal processes and tools (including AI-enabled capabilities)Oversee and manage the response process, including procurement portals, communications with customer procurement teams, and bid coordination. Risk & ComplianceEnsure all proposals align with contractual, legal, and compliance standardsIdentify and mitigate commercial and contractual risksCommunicate with federal, state, and provincial bodies to request compliance documentsReview contract clauses and verify the conformity of proposals The Senior Proposal Writer will also partake in managing contractual documents for the Company (scope of work, changerequests, hours of bank, support contracts,



subscription contracts, etc.). His/her responsibilities include: Prepare, review, and finalize proposal content (technical, financial, compliance, corporate etc.)Apply, evaluate, and adjust these measures as required, and consult legal counsel for review if necessary.
Implement a compliance process for all stakeholdersReview the development process and optimize itReview SOW grids and T&C.; Make any valuable improvement when possible and automate themAnalyze proposal T&C; and assumptions and SOW to mitigate business risks for clients, partners and suppliersEnsure consistency between liability insurance contracts and the Company’s contractual commitmentsOther duties as assigned by management Success MeasuresImprove proposal win rate and qualification effectivenessMeet or exceed proposal turnaround SLAsIncrease reuse of standardized content and reduce cycle timeMaintain high compliance and quality standards across submissions Qualifications7+ years of experience in IT or consulting services as a Proposal WriterBachelor’s degree or 6+ years’ of relevant work experienceExcellent understanding of the different phases of IT project implementationAbility to successfully communicate client tender objectives and their main characteristics to the delivery and sales teams through oral and written presentationsStrong interpersonal

skills:
capacity to work in teams of various sizes,



with employees with different technical abilities and professional authorityAbility to manage and coordinate service and information requests from stakeholders with proactive means of communicationSolid knowledge of software tools such as Word, Excel, PowerPoint, AcrobatExperience supporting enterprise SaaS / CCaaS / UCaaS dealsProven ability to influence deal outcomes and win strategiesExperience using proposal automation tools or AI-assisted writing toolsExperience in project management is an assetAbility to analyze and write proposalsExceptional writing skillsStrong organizational skills, precision and great attention to detailFluency in English and French (spoken and written) is mandatory Sommaire du poste :Le ou la rédacteur(trice) de propositions senior est responsable de diriger l’élaboration de propositions stratégiques à fort impact destinées aux clients afin de soutenir la croissance des revenus. Cette personne collabore étroitement avec les équipes des ventes, les architectes de solutions et la direction afin de développer des stratégies gagnantes, rédiger des propositions convaincantes et produire des réponses conformes et de grande qualité aux appels d’offres (RFP/RFI), permettant de distinguer CallTower sur les marchés du CX, du CCaaS, de l’IA et du UCaaS.

Responsabilités:
Dans le cadre des appels d’offres, le ou la rédacteur(trice) de propositions senior assure la coordination des principales activités liées au processus. Ses responsabilités comprennent : Stratégie et développement des propositionsDiriger de bout en bout les réponses aux appels d’offres (RFP/RFI), y compris la stratégie, les messages clés et le positionnement.
Élaborer des thèmes gagnants et des propositions de valeur alignés sur les be

📌 Senior Proposal Writer (Winnipeg)
🏢 CallTower
📍 Winnipeg