Sr eFuse Device Engineer

About GlobalFoundries:

GlobalFoundries is a world-leading contract manufacturer for the global semiconductor industry with facilities in Dresden, Singapore, New York and Vermont (USA). Our products are used in various technical applications, e.g. mobile communications, consumer electronics, automotive and more. GlobalFoundries employs around 13,000 people worldwide, including 300 in Sofia. 

Our Sofia based team will enhance GF’s scale and capabilities, while strengthening competitiveness of its specialized application solutions to further position the company for growth and value creation. 

Our Design and Technology Enablement teams are working on the development of a broad portfolio of semiconductor technologies ranging from 350 nm down to 12nm including FD-SOI, RF, High-Voltage, and automotive applications.

Summary of Role:

The candidate will develop and qualify eFuse devices by designing experiments, analyzing measurement data, and driving technology readiness for production applications.

Essential Responsibilities:

• Design and execute experiments to develop and optimize eFuse device performance and reliability

• Perform electrical characterization of eFuse structures and interpret measurement results

• Analyze data to understand device behavior, variability, and failure mechanisms

• Collaborate with design, process, and reliability teams to define test structures and validation plans

• Develop and refine test methodologies for eFuse qualification across technologies

• Drive root-cause analysis and propose solutions for device performance or reliability issues

• Document results and provide clear technical communication to internal stakeholders and customers

Other Responsibilities:

• Perform all activities in a safe and responsible manner and support all Environmental, Health, Safety & Security requirements and programs

Required Qualifications:

• Education – Bachelor, Master or PhD in Electrical Engineering or related field

• Experience - 0–5 years in semiconductor device engineering, characterization, or related field

• Skills:

  • Background in semiconductor devices and electrical characterization

  • Experience with data analysis (e.g., Python, MATLAB, JMP, or equivalent tools)

  • Familiarity with Cadence tools for layout and/or simulation

  • Strong problem-solving and analytical skills

  • Effective teamwork and communication skills

• Travel - Up to 10%

• Fluency in English Language – written & verbal

Preferred Qualifications:

• Skills:

  • Experience with semiconductor device reliability and qualification flows

  • Experience working in cross-functional teams across design, process, and test

  • Strong written and verbal communication skills

  • Strong planning & organizational skills

We Offer

• Attractive compensation package with competitive salary, performance related bonus plan and a global recognition program.

• Employee Stock Purchase Plan (including 20% match and 50 seed shares for first time participants, non-executive).

• Individual, technical or management career path opportunities supported by enhanced learning and development programs.

• Healthy and teambuilding work environment with various perks:

  • Additional medical service, including dental and, coverage of employees’ children

  • Food vouchers and canteen discounts

  • Monthly budget for Flex benefit

  • Top-rated office location with recreation Spa facilities

  • Discounts for Spa & Wellness Programs at NV Tower

  • Regular Team Events and Celebrations

• Focus on employee work-life balance:

  • Hybrid working model and flexible working time

  • 21 to 25 days paid vacation depending on years with the company