Overview Our fast-paced Proposal Development Team is looking for a Proposal Coordinator with experience developing compliant and compelling federal proposals. The Proposal Coordinator is responsible for supporting corporate growth through a range of proposal development efforts, including subcontract proposal activities, data call coordination, schedule management, and support for our BD knowledge management system. Flexible working hours, including nights and weekends, are required. Responsibilities + Assist in the development of high-quality proposals in response to government Requests for Proposal (RFPs), Requests for Information (RFIs), and other solicitations. + Coordinate the development and timely submission of subcontractor proposals, including information gathering, documentation compilation, formatting, and maintaining proposal databases with data calls, technical resources, schedules, and team meeting records. + Collaborate with subject matter experts (SMEs), business development teams, and leadership to gather and incorporate technical and administrative input for subcontract proposals. + Draft, edit, and maintain proposal documents in accordance with RFP instructions and prime contractor guidelines. + Maintain proposal schedules, deadlines, and submission records to ensure timely delivery. + Analyze RFPs, RFIs, and related documents to identify requirements, evaluation criteria, and key deliverables. + Organize and maintain SharePoint proposal materials for all executed tasks. Qualifications + Bachelor’s Degree in Business or a related discipline + Minimum of 3 years’ experience in proposal development for government contracts required + Proficient planning, time management, and organizational skills + Strong organizational, interpersonal, oral, and written communication skills + Meticulous attention to detail and proactive approach to task management + Flexibility to work efficiently and effectively under tight deadlines in a team environment + Exceptional internal and external customer service orientation with the ability to interface with proposal stakeholders to meet proposal deadlines + Proficient in MS Office Suite (Word, PowerPoint, and Excel) + Experience with SharePoint for proposal development activities is a plus + Familiarity with or training in Shipley proposal management methods + Familiarity with Deltek GovWin IQ and SAM About i3 i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We have established a broad offering of products and capabilities collectively providing decades of experience supporting the full complement of DoD military services, Missile Defense Agency, National Aeronautics and Space Administration, and a variety of other Government organizations and private industry customers. Perks of being a team member owner include: + Long-term financial security + Higher job satisfaction + Greater job security + Personal and professional growth + Great company culture Other outstanding benefits: + Excellent insurance coverage + 401(k) match + Generous PTO + Health and wellness incentives + Tuition and certification reimbursement + Countless opportunities to give back to the community through i3 Cares We work hard. We compete hard. We play hard. Apply now to join us! Job LocationsUS-AL-Huntsville ID 2025-4639 Business Unit HQ Type Full-Time Clearance No Clearance Required