Sourcing Engineer - Cable Assemblies

Plexus; Región Centro; On-site; MXN 420,000 - 660,000; Full time

Job summary

Plexus Corp. is seeking a cost-focused professional to lead RFQ packages for complex cable assemblies and interconnects, driving cost-down through robust should-cost models and close collaboration with R&D and manufacturing.

You will validate materials, tooling, and labor estimates to protect price competitiveness on NPI and sustaining programs. The role demands strong procurement, data analysis, and project-management skills, with a proven track record in commodity management and KPI-driven

Qualifications

• Bachelor’s Degree with 4+ years of related experience preferred.
• Equivalent education/experience considered.

Responsibilities

• Lead RFQ packages for custom cable assemblies and interconnect systems.
• Build and maintain should-cost models including raw materials, labor, tooling, and margins.
• Collaborate with R&D and DFM to optimize cost via alternate connectors and harness layouts.
• Drive supplier qualification, tooling readiness reviews, FAI, and PPAP.
• Assess supplier shop-floor capabilities including automated wire processing and welding.
• Review manufacturing drawings and IPC 620 standards against specs.

Skills

Procurement

Supply chain

Data analysis

Project mgmt

Cost modeling

Supplier qualification

Communication

KPI drive

Education

Bachelor's degree

Job description

Purpose Statement: Responsible for the team who owns the proper execution of component costing by utilizing industry experience, should cost software, costing team members, and supplier relationships to ensure Plexus maintains industry leading component pricing.

Key Job Accountabilities:

• Lead technical RFQ (Request for Quotation) packages for custom cable assemblies, wire harnesses, and complex interconnect systems across NPI (New Product Introduction) and sustaining programs.
• Build and maintain robust, bottoms-up "should-cost" models detailing raw material costs (copper base, shielding, jacketing, connectors, contacts, terminals), cycle times, crimp/assembly labor rates, tooling/NRE, and regional SG&A/margin.
• Collaborate early with R&D and DFM (Design for Manufacturing) to recommend cost-effective alternate connectors, standardized wire gauges, and simplified harness layouts prior to tooling release.
• Drive technical supplier qualification, tooling readiness reviews, First Article Inspections (FAI), and PPAP sign-offs during manufacturing transitions.
• Perform technical assessments of supplier shop-floor capabilities, including automated wire processing, terminal crimping, ultrasonic welding, soldering, and overmolding.
• Review and validate manufacturing drawings, schematics, wire run lists, pull-force specs, and harness routing against IPC 620 standards.

Education/Experience Qualifications:

• Bachelor’s Degree with 4 or more years of related experience is preferred. An equivalent combination of education and/or experience will be considered.

Other Qualifications:

• Procurement, supply chain, distribution, and logistics competence
• Strong experience driving KPIs
• Demonstrated commodity management expertise
• Ability to communicate at all levels within an organization
• Strong data analysis and decision-making capabilities
• Continuous improvement mindset
• Project management experience

Physical Requirements:

• Professional office environment with suitable lighting, comfortable temperatures, and low noise level. May require prolonged periods of sitting at a desk, using a computer, and other office equipment. Minimal physical activity is generally involved, emphasizing the importance of good posture and ergonomic workplace arrangements.

Travel Requirements:

• Less than 40%

This document does not represent a contract of employment and is not intended to capture every possible assignment the incumbent could be asked to perform.