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AP

Sr. Proposal Specialist

APTIM
United Statesfull_timeVerifiedPosted 3 Feb 2026
💰 $100,000/yr($85,000/yr$100,000/yr)

About the role

APTIM is searching for a Sr. Proposal Specialist with commercial and public sector experience. You will drive all aspects of the development of high quality and compliant proposals for state and local governments and commercial clients across the United States (including environmental, retail, energy, disaster response).

Key Responsibilities/Accountabilities:

  • Coordinate proposal preparation team (subject matter experts/writers, graphic artists, contracts, and other key proposal development functions).
  • Apply APTIM's standard proposal management processes, to include schedule, compliance, outlines, storyboards, themes, action items, etc.
  • Lead effective, results-driven kickoff, and review meetings in concert with the capture manager and delivery staff.
  • Remain current on all solicitation amendments and modifications.
  • Perform quality check of all proposal sections and volumes to include creation and verification/validation of a detailed compliance matrix.
  • Take end-to-end ownership and command of proposal development and related processes.
  • Collaborate with BD staff, business unit leaders, subcontractors and partners, and subject matter experts.
  • Define and manage proposal budgets and schedules.
  • Write and synthesize proposal/marketing narrative in near-real time as required.
  • Lead content planning from compliant outline through win themes, section plans and graphics.
  • Conceptualize and develop strategic win themes and discriminators.
  • Facilitate development of compelling solutions with technical and program staff.
  • Develop targeted solicitation questions to ensure compliance.
  • Ultimately responsible for compliance, accuracy and quality.
  • Lead and proactively participate in the development of oral presentation slide concepts and scripting.
  • Advance proposal knowledge-management processes.
  • Mentor new and junior proposal managers/writers
  • Although not extensive, some travel as well as evening and weekend work may be required.

Basic Qualifications:

  • A Bachelor's degree in business, communications, marketing or an engineering-related discipline, or equivalent.
  • 7+ years of progressive experience, culminating specifically to a proposal manager and solutions developer, in a fast-paced, deadline-driven, high-volume proposal environment.
  • Must have the management skills necessary to direct and orchestrate large, multi-contractor proposal team efforts.
  • Rely on extensive experience and judgement to plan and accomplish goals.
  • Demonstrated organizational capability and ability to balance multiple competing priorities under deadlines.
  • Proven ability to conceptualize and write compelling, marketing-oriented proposal narrative and oral presentation slides from scratch as required.
  • Strong working knowledge of MS Office Suite business applications.
  • Excellent command of English grammar and punctuation is required.
  • Meticulous attention to detail.
  • You must be a self-starter and natural leader as you will have end-to-end responsibility for leading your team, up through delivery to the client, of a winning proposal.

Additional Desirable Qualifications:

  • Experience in energy and utilities, environmental site assessment and remediation, energy efficiency and renewable energy, solid waste, sustainability, disaster recovery and / or infrastructure and construction management.
  • A Master's de

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Company

APTIM

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