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Senior Proposal Development Specialist

Bingen, Washington Job ID R0003752 Category Insitu Post Date Aug. 18, 2026
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Job Description

At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us.

Insitu, a subsidiary of Boeing, has pioneered the design, manufacturing and operation of high-performance Uncrewed Aircraft Systems (UAS) with superior payload capabilities. 

Insitu’s world-class manufacturing facilities are located in Bingen, WA and deliver the highest quality products on time.  We are on a mission to be the world’s most trusted partner; developing and integrating world-class solutions that support customer success in the most challenging environments.

Do you thrive on organization, precision, and bringing clarity to complex projects? Are you a natural influencer who excels at rallying cross-functional teams to achieve shared goals? We’re looking for a driven, detail-oriented Proposal Development Specialist to help us transform opportunities into compelling, client-focused proposals that stand out from the competition.

In this role, you’ll be the glue that holds our proposal process together, using your keen eye for detail and collaborative spirit to craft winning strategies and content. You’ll work closely with subject matter experts across departments, guiding teams to align their expertise and insights into cohesive, high-impact deliverables. If you’re motivated by the challenge of inspiring internal teams, managing tight deadlines, and delivering exceptional results, we want you on our team.

What you’ll do:

  • Responsible for assembling required resources, skills, and support functions to develop proposal content and conformance for solicitations, requests for information, quotes or proposals. Supports internal alignment with strategic growth initiatives.
  • Analyzes and breaks down in-coming solicitations, requests for information, quotes or proposals.
  • Monitors pre-proposal process to include storyboard and strategy sessions, preparation of annotated outlines, page allocations, major themes, story-maps, mockups, and preliminary drafts.
  • Collaborates with business operations pricing and contracts team to ensure contracts compliance and price to win input.
  • Leads and participates in color team reviews, in accordance with established best practices.
  • Contributes to team strategy and capture plans to analyze customer and market dynamics including features-benefits-proofs, win themes, gap analysis, and competitor analyses.
  • Develops proposal schedules and milestones; executes and tracks proposal completion.
  • Manages overall content design, development, and review and oversees proposal production and delivery activities.
  • Participates in kick-off meetings, internal/gate reviews and status meetings; assists with developing agendas and provides meeting notes. Schedules, coordinates and facilitates reviews.
  • Reviews assigned proposal sections for compliance with development standards, standard format and style criteria. Takes corrective action or performs rewrites.
  • Maintains proposal development tools such as process standards, author handbook, databases and gate materials.
  • Maintains proposal content and incorporates revisions, updates or comments.
  • Supports post-submittal proposal activities including drafting responses.
  • Collaborate with technical leadership to shape technology investments.
  • Assists with growth and strategy reporting and managing adjustments to LRBP reports.

Education & Experience:

  • 15+ years related experience with a bachelor’s degree or 13+ years related experience with a master’s degree.
  • Experience conducting analysis and managing projects.
  • Experience influencing stakeholders and building cross-functional relationships.
  • Experience working in Federal Government proposal development.
  • Experience with the Shipley proposal development process.
  • Knowledge of FAR/DFAR compliance regarding US government solicitations.
  • Experience in the aerospace or defense industry and has a clear understanding of the Business Development life cycle.
  • Keen eye for process improvement and ability to influence innovative and positive changes to create efficiencies.
  • Demonstrated proposal writing experience with comprehensive knowledge of solicitation analysis, developing compliance matrices, and generating annotated outlines.
  • Proficient with Microsoft Word, Excel, Project and PowerPoint; experience with sales-based CRMs.
  • Demonstrates high caliber of communication skills, both written and verbal.
  • Successfully manages a multitude of ongoing proposals at once across several functions.
  • Ability to create project schedules to meet the defined project objectives.
  • Experience with strategic business planning (5-year business plan builds) would be an advantage.

Preferred Education & Experience:

  • Shipley certification, desirable

In-Office Requirement Statement: We let the type of work you do determine the collaboration style. That means we're not always working in an office, but we continue to gather for key moments of collaboration and connection.

  • This role will need to be in the office for in-person collaboration 2-3 times per year and therefore can be located anywhere within the continental United States.

At Insitu, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.

Insitu also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability programs and a number of programs that provide for both paid and unpaid time away from work.

The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire.

Please note that the salary information show below is a general guideline only. Salaries are based upon candidate experience, qualifications and work location.

Typical Hiring Range: 122,000.00 - 167,750.00

Insitu is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.


Equal Opportunity Employer:

Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.

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Your Benefits

No matter where you are in life, our benefits help prepare you for the present and the future.

  • Generous company match to your 401(k).
  • Industry-leading tuition assistance program pays your institution directly.
  • Fertility, adoption, and surrogacy benefits.
  • Up to $10,000 gift match when you support your favorite nonprofit organizations.
Explore more benefits

These programs are subject to eligibility requirements and other conditions, which may differ for employees of certain subsidiaries or business units, or union-represented employees depending on bargaining agreement terms. If this information conflicts with the program documents, the latter shall control. This material is informational only.

  • Jacob M
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