Proposal Development Engineer (Aerospace & Defense)

Location: Simsbury, CT, United States; onsite

Company

Aerospace and defense organization developing technology for space missions and protecting military personnel worldwide.

What you will do

• Lead proposal development for simple, moderate, and complex opportunities across assigned market segments.
• Develop proposal schedules and coordinate requirements, deadlines, deliverables, and leadership approvals.
• Lead cross-functional meetings, track action items, close gaps, and escalate risks when needed.
• Gather inputs from Engineering, Operations, Supply Chain, Contracts, Finance, and Program Management.
• Build cost estimates using ERP data, Excel-based Basis of Estimate files, and proposal tools.
• Support pricing, margin analysis, business cases, proposal letters, and certified cost or pricing data efforts.

Requirements

• Bachelor’s degree in Finance, Accounting, Engineering, Business, Operations, or a related analytical field.
• At least 3 years of relevant experience in cost estimating, proposal development, pricing, program finance, project management, engineering, or operations.
• Experience developing cost estimates, proposal inputs, pricing support, or Basis of Estimate files.
• Experience working with cross-functional teams and using ERP data for analysis, estimating, pricing, or project decisions.
• Advanced Excel skills, including formulas, pivot tables, data analysis, and financial modeling.
• Strong analytical, communication, meeting leadership, organization, and deadline-management skills.

Nice to have

• Experience in aerospace and defense, government contracting, or another regulated industry.
• Familiarity with FAR and DFAR requirements and certified cost or pricing data.
• Experience supporting proposals or business cases greater than approximately $5M.
• Experience participating in Kaizen, JDI, or structured problem-solving events.

Culture & Benefits

• Work contributes to space missions and defense programs.
• Broad exposure to market segments, products, sites, and senior leadership.
• Cross-functional collaboration across engineering, operations, contracts, supply chain, finance, and program management.
• Participation in continuous improvement activities.