Agency Growth, Business Development Project Manager
sia
New York, NY, United States · New York · United States
Posted Jun 4, 2026
- Full-time
- Hybrid
- Marketing & Customer Strategy
- Associate
sia
New York, NY, United States · New York · United States
Posted Jun 4, 2026
Company Description About Sia Experience Sia Experience is the full-service creative agency within Sia. In the SiaX-Creative business line, we combine creative, CX, marketing, and deep AI expertise with industry leading knowledge to deliver impactful, growth-focused solutions for our clients. By bringing together agencies known for creating standout work for leading brands, SiaX is a premier player in the creative and digital agency space—pairing the speed, creativity, and independence of top boutique shops with the reach and resources of a global network. At SiaX we’re nimble, deeply collaborative, and known for delivering high-impact work with lean teams. As strategic partners to our clients, we focus on building brands and delivering growth for clients that are aiming to break through creative barriers and accelerate digital transformation. Job Description As our Growth Project Manager, you’ll serve as the operational engine behind the agency’s new business and growth efforts. Partnering closely with the BU Lead / Agency Partner, you’ll help drive pitches, proposals, and RFP responses from kickoff through submission, keep cross-functional teams aligned, support agency visibility initiatives, and ensure our growth operation runs with precision and momentum. This is a highly collaborative, fast-moving position for someone who thrives in creative environments, brings structure to ambiguity, and knows how to keep multiple high-stakes initiatives moving simultaneously without losing attention to detail. You’ll sit at the intersection of strategy, marketing, operations, and business development — helping shape how the agency shows up in market, pursues opportunities, and wins new work. Your Impact Take full ownership of the end-to-end project management of every pitch, proposal, RFP, and new business opportunity — from kickoff through submission. That means setting the timeline, running the process, knowing where every deliverable stands, proactively driving team members for input, managing approvals, and ensuring nothing falls through the cracks. You are the engine that keeps new business moving. Own the coordination and execution of agency pitches, proposals, decks, strategic documents, and RFP responses from kickoff through final submission, ensuring materials are polished, strategically organized, thoughtfully written, and delivered on time while keeping internal teams aligned throughout the process Partner closely with the BU Lead / Agency Partner to support and help drive the agency’s broader growth and new business initiatives Bring structure, organization, and momentum to fast-moving opportunities by proactively managing timelines, workflows, follow-ups, approvals, and communication across multiple teams and stakeholders Support the agency’s external visibility efforts through the coordination of speaking engagements, industry events, awards submissions, partnership opportunities, and related marketing initiatives Develop and maintain prospect, market, and competitive intelligence that strengthens positioning, sharpens outreach and proposals, and supports more strategic growth decisions Help improve and streamline the operational side of the growth function by organizing information, identifying gaps, and creating more scalable and efficient ways of working What Success Looks Like Pitches, proposals, decks, and RFP responses are organized, polished, strategically thoughtful, and consistently delivered without last-minute chaos Cross-functional teams feel aligned, informed, and supported because communication, timelines, and next steps are proactively managed and clearly communicated Leadership has confidence that opportunities are moving forward efficiently and that important details, deliverables, and follow-ups are being handled thoughtfully and professionally The agency shows up strongly in market through well-coordinated events, speaking engagements, awards, and external visibility opportunities that reinforce the agency’s reputation and positioning Research and competitive intelligence help sharpen how the agency approaches opportunities and positions itself in conversations and proposals The growth function becomes more organized, scalable, and operationally strong through improved coordination, stronger processes, and greater consistency across initiatives Qualifications 3–6 years of experience in a project management, business development, growth, marketing, account management, or agency operations role within a creative, digital, branding, PR, communications, or marketing agency environment Prior experience supporting agency new business efforts, including pitches, proposals, decks, and/or RFP response coordination Strong project management and organizational skills with the ability to manage multiple concurrent workstreams, deadlines, and stakeholders in fast-paced environments Strong written communication skills with the ability to draft, refine, and organize pitch decks, presentations, RFP responses, briefing materials, and other client-facing documents with a high level of polish and attention to detail Experience coordinating cross-functional teams across creative, strategy, account, production, marketing, or leadership functions Naturally proactive, resourceful, and solutions-oriented with strong judgment, follow-through, and attention to detail Comfortable operating with a high degree of autonomy while partnering closely with senior leadership and managing high-visibility initiatives Interest in agency growth, marketing, culture, industry trends, and how modern agencies position themselves in competitive markets Experience supporting speaking engagements, events, awards submissions, partnerships, or agency marketing initiatives is a plus BA Additional Information Diversity, Equity, Inclusion & Belonging At Sia, we believe in fostering a diverse, equitable and inclusive culture where our employees and partners are valued and thrive in a sense of belonging . We are committed to recruiting and developing a diverse network of employees and investing in their growth by providing unique opportunities for professional and cultural immersion. Our commitment toward inclusion motivates dynamic collaboration with our clients, building trust by creating an inclusive environment of curiosity and learning which affects lasting impact. Please visit our website for more information. Sia is an equal opportunity employer . All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs. Work Authorization & Sponsorship At this time, Sia does not intend to pursue employment with applicants who will require now or in the future visa by our company for work authorization in the United States (i.e., H1-B visa, F-1 visa (OPT), TN visa, or any other non-immigrant status). About Sia Sia is a next-generation, global management consulting group. Founded in 1999, we were born digital. Today our strategy and management capabilities are augmented by data science, enhanced by creativity and driven by responsibility. We’re optimists for change and we help clients initiate, navigate and benefit from transformation. We believe optimism is a force multiplier, helping clients to mitigate downside and maximize opportunity. With expertise across a broad range of sectors and services, our 3,000 consultants serve clients worldwide from 48 locations in 19 countries. Our expertise delivers results. Our optimism transforms outcomes.