Senior DFT Engineer

Location: Cambourne - UK

Role also available in:

About u-blox

u-blox (SIX:UBXN) is a global technology leader in positioning and wireless communication in automotive, industrial, and consumer markets. Their smart and reliable solutions, services and products let people, vehicles, and machines determine their precise position and communicate wirelessly over cellular and short range networks. With a broad portfolio of chips, modules, and secure data services and connectivity, u blox is uniquely positioned to empower its customers to develop innovative and reliable solutions for the Internet of Things, quickly and cost effectively. With headquarters in Thalwil, Switzerland, the company is globally present with offices in Europe, Asia, and the USA. (

Job Description

Position: Senior DFT Engineer

As a senior engineer in our team, you will be responsible for ensuring optimal chip testability at die and package level by defining, implementing and verifying the best possible DfT specification according to schedule. In addition you will support the quality department with failure mode and customer returns analysis.

With your initiative you will have the chance not only to follow, but also to improve our methodology and see your direct impact on the product profitability.

Your Responsibilities

  • Meet optimal test coverage and test time
  • Test Concept definition and derived Test Specification
  • DfT insertion flow (incl. SDC constrains) and pattern generation.
  • Design/integrate DfT structures as required in RTL.
  • Ensure readiness for production
  • Study industrial standards and best practices to improve methodology
  • Communication with designers, test and quality engineers

Your Skills and Experience
  • Masters degree in electrical engineering
  • >5 years of experience in DfT
  • Experience in full product life cycle of ASIC Design
  • Excellent analytical and problem-solving skills
  • Excellent knowledge of Siemens, Cadence, or Synopsys test insertion and ATPG tools
  • Excellent knowledge of the IEEE-1149.1 and IEEE-1687 standards
  • Experience with at-speed scan testing, and test compression
  • Experience integrating DfT features of 3rd party IP
  • Experience with memory BIST and logic BIST
  • Experience generating test patterns and analysing and debugging test failures
  • Experience working with test engineers to implement ATPG vectors on tester hardware
  • Proficiency in HDL (VHDL/Verilog)
  • Proficiency in scripting languages such as Tcl, Python or Perl

Bonus Point
  • C++ knowledge
  • Automated Test Equipment (ATE) knowledge (e.g. ADVANTEST, LTX)
  • Experience in Synthesis, SDC timing constraints and Static Timing Analysis

What are your perks?
  • A multicultural and international company with over 50 different nationalities
  • Project-based activities working with colleagues distributed across the globe
  • A start-up and innovation mindset while in the process of scaling-up processes and efficiencies
  • Hybrid work model (40% remote/60% office) & flexible working hours
  • Training and career growth opportunities
  • Company Bonus and Stock Option Plan

Learn more about u-blox and its mission by watching this video !
We see diversity as a strength and promote a culture of inclusion among our employees. Our varied backgrounds, ideas and experiences are critical to our success. We strive to become a strong learning organisation and are committed to provide our employees with equal opportunities regardless of differences such as gender, race, ethnicity, generations, belief.

Are you interested in this challenging position within an international work environment in a successful company? Apply now! You will be working with a motivated team in an exciting technology. We are looking forward to receiving your application.

We are looking forword to receiving your aplication.