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L3Harris Technologies

Global defense contractor delivering aerospace tech

Material Estimator - Specialist

Procurement & SourcingUpdated on Nov 14
Full-timeSan Diego, CA, USAIn-person

About the Job

Requirements

  • A bachelor's degree in Supply Chain Management, Business, Finance, Industrial Engineering, or a related field and at least four years of experience in material estimating, procurement, or supply chain analysis; alternatively, a graduate degree and at least two years of prior related experience; alternatively, at least eight years of prior related experience in lieu of a degree.
  • Proficiency in Microsoft Excel, including formulas, pivot tables, and data analysis tools.
  • Experience reading and interpreting Bills of Materials and supplier quotations.
  • Strong analytical, organizational, and communication skills.
  • Ability to manage multiple priorities and deadlines in a fast-paced proposal environment.
  • Experience supporting government or defense proposal environments; familiarity with FAR/DFARS is a plus.
  • Understanding of cost analysis principles and proposal pricing structures.
  • Experience with ERP systems such as SAP or Infor LN and procurement databases.
  • Attention to detail and commitment to data accuracy.
  • Ability to collaborate effectively with cross-functional teams across multiple sites.

Responsibilities

  • Review and analyze Bills of Materials to develop accurate material cost estimates for proposals and program execution.
  • Obtain, review, and update supplier quotations and Requests for Proposal responses to ensure BOM pricing reflects current and complete cost data.
  • Use Microsoft Excel formulas, lookups, pivot tables, and data validation to consolidate, analyze, and report cost information.
  • Collaborate with Proposal, Program Management, and Supply Chain teams to validate pricing, confirm sourcing assumptions, and support cost strategy development.
  • Maintain data integrity across cost models, proposals, and estimating tools to comply with internal estimating standards and customer requirements.
  • Plan and execute procurement activities for materials and services in alignment with program specifications and price objectives.
  • Manage vendor relationships in accordance with company requirements and procurement objectives.
  • Support material cost analysis, variance tracking, and historical pricing trend reviews to improve the accuracy and competitiveness of future estimates.
  • Download, update, and maintain program Bills of Materials using supplier pricing obtained through Requests for Proposal and direct supplier communications.
  • Coordinate with the proposals team to integrate supplier quotes into formal cost proposals and support fact-finding or customer audit requests.
  • Develop and maintain standard estimating templates and cost models in Excel to streamline proposal turnaround and maintain pricing consistency.
  • Ensure traceability of supplier data, quotes, and cost justifications to support CPSR and DCMA audit readiness requirements.
  • Perform cross-functional reviews with Program Management, Supply Chain, and Engineering to validate material assumptions and identify cost risks or savings opportunities.
  • Assist in creating Rough Order of Magnitude and firm proposal estimates for new business pursuits and contract modifications.
  • Analyze supplier inputs for accuracy, completeness, and compliance with proposal timelines and sourcing policies.
  • Collaborate with Supply Chain on proposal cost-reduction strategies.
  • Manage the end-to-end procurement process from requisition through purchase order closeout, including maintaining current and accurate delivery dates.

About the Company

L3Harris Technologies

Global defense contractor delivering aerospace tech

L3Harris Technologies provides advanced aerospace, defense, and space systems for governments and commercial customers. Its products include sensors, communications, and propulsion—such as tactical radios, night-vision gear, satellite payloads, missile defense, and space propulsion—delivered as integrated systems for operations across air, land, sea, space, and cyber domains. The company blends legacy technologies from two joining giants with newer capabilities, faster acquisition cycles, and a focus on missiles, space, and resilient communications to field solutions quickly. Its goal is to be a trusted, scale-ready provider of next‑generation defense and intelligence capabilities for national security and related customers.

Company size
10,001+
Company stage
IPO
Headquarters
Melbourne, FL
Founded
1895

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