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Larsen & Toubro

Sub-Contract Engineer (Tooling & Precision Components)

India>Tamil Nadu>Coimbatore CampusOperations

Listed on Larsen & Toubro’s official careers site. Posted October 7, 2026. Check that it is still open and apply there.

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Job description

POSITION SUMMARYThe Sub-Contract Engineer manages the end-to-end outsourcing lifecycle for high-precision fixture components used in gadget manufacturing. This role ensures that external partners deliver parts—machined from materials like Stainless Steel, Aluminium, and TPU—that meet exact technical standards, budget estimates, and First Article Inspection (FAI) timelines.CORE RESPONSIBILITIES1.

Vendor Development & Technical AuditCapability Mapping

Identify and audit sub-contractors capable of high-precision CNC machining (3/4/5 axis), EDM, and specialized surface treatments.

Technical On boarding

Evaluate vendor metrology and quality systems to ensure they can achieve tolerances of ±5 to ±100 microns.

BOP Procurement

Coordinate with vendors for Bought-Out Parts (BOP) and equivalent makes, ensuring alignment with design specifications.2.

Cost Control & EstimationQuote Analysis

Review vendor quotes against internal Estimated Machining Hours and material costs to ensure project profitability.

Negotiation

Manage pricing for raw materials and specialized machining processes to prevent cost overruns.

Hour Control

Track actual vendor progress against the estimated time-frame to maintain project schedules.3.

Technical Liaison & Quality OversightDrawing Review

Interpret complex 3D models and 2D drawings for vendors, specifically defining machining allowances for surface treatments (Anodizing, ENP, etc.).

Process Control

Explain "Distortion-Free" machining requirements and stress-relieving sequences to sub-contractors.

In-Process Inspection

Conduct periodic vendor site visits to verify setup, manufacturing methods, and adherence to dimensional specifications.4.

Timeline & Logistics ManagementSchedule Monitoring

Track the flow of parts through various stages (Machining → Heat Treatment → Plating → Final Delivery).

FAI Coordination

Ensure all outsourced components arrive on time and fully documented for First Article Inspection.TECHNICAL REQUIREMENTS1. Education & ExperienceQualification:B.E. / B.Tech in Mechanical, Manufacturing, or Production Engineering.Experience:3–5 years in sub-contracting or vendor development for high-precision toolrooms or the aerospace/electronics industry.2.

Specialized KnowledgeMaterial Properties

Deep understanding of the machining costs and challenges for SS, Aluminium, non-metallic materials like ABS, PU, Acrylic, Nylon and TPU.

Surface Treatments

Knowledge of how Hard Anodizing and plating impact final part geometry.

Measurement Literacy

Ability to interpret CMM reports and use precision gauges to verify parts.KEY PERFORMANCE INDICATORS (KPIs)Vendor Quality Rate:% of outsourced parts passing inward inspection without rework.

Cost Variance

Difference between initial project estimate and actual sub-contracting cost.On-Time Delivery (OTD):Adherence of vendors to the final assembly schedule.

Qualifications

Bachelor of Technology (BTech)

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