Role Description Diné Development Corporation (DDC) is seeking a Senior Proposal Manager to join our high-performing Revenue Operations (RevOps) Growth Enablement team, a strategic, enterprise-facing function supporting a portfolio of five market verticals and more than ten subsidiaries across the federal contracting space. This role is designed for a seasoned proposal professional who thrives in a fast-paced, high-demand environment and can manage multiple concurrent efforts. The ideal candidate takes ownership, leads by example, and brings clarity, structure, and accountability across cross-functional teams. - Lead end-to-end proposal development for Federal RFPs, RFIs, RFQs, Task Orders, and Direct Awards, ensuring compliant, high-quality, and on-time submissions. - Develop and manage integrated proposal schedules, enforce deadlines, and coordinate cross-functional teams across Capture, Business Development, Pricing, Recruiting, Contracts, and Leadership. - Create and manage compliant proposal outlines, templates, and compliance matrices aligned to RFP Sections L and M, leveraging AI tools where appropriate to improve speed and accuracy. - Lead proposal compliance strategy and reviews, ensuring adherence to Sections L and M, FAR/DFARS, agency-specific requirements, and solicitation instructions; ensure all content is fully traceable to requirements. - Collaborate with stakeholders to develop win strategies, discriminators, and key messaging, and ensure consistent integration across all proposal volumes. - Write, edit, and refine proposal content, including management approaches, staffing plans, and past performance narratives, incorporating AI-assisted drafting and editing while ensuring accuracy, compliance, and alignment to evaluation criteria. - Plan and facilitate structured color team reviews (Pink, Red, Gold), ensuring feedback is actionable, tracked, and incorporated efficiently. - Support the maintenance of proposal infrastructure including compliance matrices, trackers, repositories, and document management systems, incorporating AI-enabled tools and automation where appropriate. - Ensure proposals are customer-focused, benefits-driven, and aligned to evaluation criteria and scoring methodology. - Monitor updates to FAR/DFARS and agency procurement guidance and advise teams on compliance implications and risk areas. - Contribute to and maintain content libraries and reusable assets, including development of AI-supported content and prompt libraries. - Support development of oral presentations, discussions, and Q&A/EN responses, ensuring alignment with proposal messaging and compliance requirements. - Drive the use of graphics and visuals to improve clarity, compliance traceability, and evaluator comprehension. - Lead post-submission activities, including debriefs and lessons learned. - Incorporate lessons learned into templates, compliance approaches, processes, and future proposals as required. - Leverage AI tools and large language models to enhance proposal development, including compliance analysis, content generation, summarization, and quality review, while ensuring proper validation and governance of outputs. - Stay current on emerging AI tools, trends, and best practices within federal proposal development. - Champion DDC’s high-performance culture, operational standards, and continuous improvement mindset. - Performs other related duties as assigned. Qualifications - Eight (8) or more years of federal proposal management experience, preferably in a shared services or multi-entity environment. - Bachelor’s degree in Business, Communications, English, or a related field. - Shipley, APMP, or equivalent certification preferred. - Deep knowledge of the federal procurement lifecycle, including FAR/DFARS, Sections L and M, and agency-specific acquisition practices. - Proven ability to manage multiple complex proposals simultaneously in deadline-driven environments. - Exceptional writing, editing, and document management skills, with the ability to ensure compliance, clarity, and alignment to evaluation criteria. - Experience using AI tools or large language models (e.g., ChatGPT, Claude, or proposal-specific platforms) to support proposal workflows such as compliance matrices, drafting, editing, or summarization. - Demonstrated ability to apply AI to practical proposal processes while maintaining accuracy, compliance, and quality standards. - Proficiency with Microsoft Office Suite, Adobe Acrobat, Microsoft Teams, SharePoint, and proposal tools. Benefits - Comprehensive benefits package, including medical, dental, vision, life and disability coverage. - Retirement savings with company match. - Paid time off and voluntary supplemental benefits. - Access to an employee assistance program. - Educational assistance, including tuition reimbursement. Company Description Diné Development Corporation (DDC) is a Navajo Nation owned family of companies that provides government agencies and commercial organizations with high-quality IT, professional, environmental, and research and development services. DDC is dedicated to empowering the Navajo Nation and communities we serve.

• Lead and develop a team of Proposal Managers • Provide coaching, feedback, and career development • Manage workload, capacity, and prioritisation to support consistent, high‑quality delivery • Remain engaged in the proposal and budget process • Offer strategic direction, problem‑solving support, and hands‑on leadership for complex or high‑priority RFIs and RFPs • Perform line management of assigned team members • Execute supervisory duties including work scheduling, performance evaluation activities, career development and preparation of training plans • Identify and resolve issues around client enquiry requirements and Fortrea capabilities • Organize and lead strategic and operational calls related to opportunities • Maintain appropriate knowledge of current and future technical and regulatory environments • Identify and drive ways to improve the efficiency and quality of processes and deliverables • Provide training and guidance to new and less experienced staff

Role Description We are seeking an experienced Tender Specialist to manage the tendering process for European and Greek public sector projects, with a particular focus on Cybersecurity, AI, and IT. The successful candidate will be responsible for researching tenders, preparing proposals, and overseeing procurement activities across the EU and public sector. The ideal candidate will have a solid understanding of public procurement regulations and a proven ability to prepare and submit high-quality, compliant tender proposals. Tender Management - Identify, analyse, and manage tender opportunities across the EU and Greek public sector, particularly in the fields of Cybersecurity, AI, and IT. - Research and monitor tender portals and publications for relevant opportunities. - Review tender documents and develop strategic bid approaches. - Coordinate and prepare all necessary documentation for tender submissions, ensuring compliance with EU and public sector procurement regulations. Proposal Writing - Lead the writing and preparation of high-quality tender proposals tailored to the specific requirements of each opportunity. - Collaborate with internal teams to gather input, ensuring technical and financial accuracy. Procurement - Oversee and manage procurement processes within the EU and public sector. - Ensure full adherence to applicable local and international procurement regulations. Stakeholder Management - Serve as the main contact point for tender-related communications across the EU and public sector. - Maintain relationships with key stakeholders and provide progress updates to management. Post-Tender Activities - Manage clarifications, negotiations, and contract finalisation. - Conduct post-bid analysis and maintain complete tender records. Qualifications - Bachelor’s degree in Business, Procurement, Law, or a related field (certifications preferred). - 3–5 years of experience in tender management, with a focus on the European and Greek public sector. - Strong knowledge of EU and public sector procurement processes, particularly in Cybersecurity, AI, and IT. - Proven track record in researching tenders, writing proposals, and winning bids. - Excellent organizational and communication skills. - Proficiency in Microsoft Office and e-tendering platforms. - Fluency in English (additional European languages are an advantage). Benefits - Highly competitive salary, reviewed regularly. - Remote work flexibility — performance-focused environment. - Personal and professional development among experienced industry experts. - Continuous learning opportunities and access to company resources. - Equipment and software support to perform your work effectively. - No dress code — we value comfort and authenticity at work.

• formulates and executes proposal strategy and sales agreements • formulates deal structure, pricing, proposal development • assists in customer negotiations • identifies new opportunities with functional partners to develop new products and services for business growth • utilizes Lean Six Sigma methodologies to improve proposal process • communicates difficult concepts and may influence others' options on particular topics • may guide others to consider a different point of view