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Senior Proposal Specialist

Yorke Engineering, LLC
San Juan Capistrano, CA Full Time
POSTED ON 4/14/2026
AVAILABLE BEFORE 5/13/2026

We are looking for a sharp, reliable, and proactive professional to join our team as a Sr. Proposals Specialist. This is a full-time exempt position reporting to our corporate office in San Juan Capistrano, CA, during normal business hours. We offer competitive salaries, a full benefits package including Paid Time Off, Holidays, Full Medical/Dental/Vision, along with a 401k program with a generous company match.


Position Summary:

The Sr. Proposals Specialist’s tasks require experience and comfort in coordinating and managing the development of customer sales proposals. Responsibilities include drafting proposals (from templates), working with technical staff/subject matter experts to provide input, editing and formatting the final draft, submission to the customer, and tracking proposal status. The role also includes editing and formatting project technical reports, letters, and other deliverables. The candidate will conduct quality control checks to ensure compliance with guidelines, specifications, formats, and deadlines. This candidate must possess the capability to think independently and create and present solutions on a daily basis while still upholding the customer service standards that Yorke Engineering prides itself upon.


The candidate’s experience and qualifications we are seeking include:

  • Draft, develop, and finalize formal bid package responses to RFP/RFQ solicitations from clients and customers:
  • Conduct thorough review and analysis of client RFPs to identify requirements, scope of work, and evaluation criteria;
  • Manage the end-to-end bid process, from initial inquiry to final submission; and
  • Facilitate, coordinate, and review technical expert input to create high-quality, accurate, and competitive technical proposals;
  • Act as an active team member in proposals and contract processing, including but not limited to:
  • Proposal drafting (from templates), editing, formatting, and reviewing;
  • Proposal coordination and tracking;
  • Proposal review and submission;
  • Contract interpretation and follow-up;
  • Federal and State business procurement and certification management;
  • New template development, follow-up, and filing; and
  • Project setup administration;
  • Review and edit technical reports and documents according to Yorke’s standards (including for style, grammar, formatting, and consistency);
  • Assist with document production and submittal;
  • Provide constructive feedback in a timely manner to staff on changes and improvements within documents and document writing;
  • Work closely with the Marketing Department in developing and editing marketing materials for print;
  • Internal – company resumes, presentations, templates; and
  • External – brochures, website, newsletters, and advertising;
  • Work with Technical Staff in editing/updating Yorke Training Seminar and Webinar materials; and
  • Perform miscellaneous editing/writing, office, and project assignments as needed.


Job Requirements

  • Bachelor’s or Master’s degree in English, Communications, Journalism, Marketing, or other relevant major required from an accredited university with minimum GPA of 3.0; GPA will be verified;
  • 10-20 years of experience in technical writing or editing in a similar industry (preferred);
  • Previous proposals coordination and development experience;
  • Proven technical writing and editing skills;
  • Experience with a variety of writing styles: technical, creative, and marketing;
  • Ability to multi-task, prioritize, and work independently;
  • Ability to be responsible and meet deadlines consistently;
  • Strong interpersonal, communication, and leadership skills;
  • Strong Microsoft Word, Excel, and PowerPoint skills (required);
  • Microsoft 365 Office and SharePoint, including Outlook (will train); and
  • Microsoft Project Web Application – PWA (will train).

Salary : $85,000 - $120,000

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