[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All GlobalFoundries jobs](https://jobs.opennash.com/companies/globalfoundries/) · [Search jobs](/search/) GlobalFoundries · Sofia, Sofia City Province, BG # eFuse Device Engineer Sofia, Sofia City Province, BG Full-time Operations Listed on GlobalFoundries’s official careers site. Posted October 16, 2026. Check that it is still open and apply there. [Apply on GlobalFoundries’s careers site →](https://careers.gf.com/careers/job/563980770891339) [OpenNash Jobs](https://jobs.opennash.com/) / [GlobalFoundries](https://jobs.opennash.com/companies/globalfoundries/) / eFuse Device Engineer ## Job description ### 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: - 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’ childrenFood 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 GlobalFoundries is an equal opportunity employer, cultivating a diverse and inclusive workforce. We believe having a multicultural workplace enhances productivity, efficiency and innovation whilst our employees feel truly respected, valued and heard. As an affirmative employer, all qualified applicants are considered for employment regardless of age, ethnicity, marital status, citizenship, race, religion, political affiliation, gender, sexual orientation and medical and/or physical abilities. All offers of employment with GlobalFoundries are conditioned upon the successful completion of background checks, medical screenings as applicable and subject to the respective local laws and regulations. ### No Recruitment Fee Policy GlobalFoundries is committed to ethical and transparent hiring practices. Candidates will not be charged any fees at any stage of the recruitment process. Any request for payment related to a GlobalFoundries employment opportunity is unauthorized and should be reported immediately. All legitimate recruitment communications are conducted exclusively through official GlobalFoundries channels. To report concerns or suspected recruitment fraud, please contact our Ethics & Compliance Office at global.compliance@GlobalFoundries.com or visit our official website. The Ethics & Compliance mailbox is not a recruitment channel. CVs/resumes submitted to this mailbox will not be reviewed, processed, or considered for employment opportunities. Please apply through the official GlobalFoundries careers site only. ### Information about our benefits you can find here [https://gf.com/careers/opportunities-in-europe/](https://gf.com/careers/opportunities-in-europe/) ## At a glance - Posted by the employer: Oct 16, 2026 - First seen by OpenNash: Oct 20, 2026 - Last checked: Oct 20, 2026 - Listed for: 4 days - Location: Sofia, Sofia City Province, BG - Employment type: Full-time[Apply on GlobalFoundries’s careers site →](https://careers.gf.com/careers/job/563980770891339) ## More jobs at GlobalFoundries ### [3D Heterogeneous Integration Engineer (2026 New College Graduate)](https://jobs.opennash.com/companies/globalfoundries/jobs/187d997f1932dc686ade/) Malta, New York, United States of America ### [AI/ML Systems Engineer (2027 New College Graduate)](https://jobs.opennash.com/companies/globalfoundries/jobs/275aabb7d21dae3ca779/) Richardson, TX, US ### [AI/ML Systems Engineering Intern (Summer 2027)](https://jobs.opennash.com/companies/globalfoundries/jobs/43163aa7604dcf38b809/) Richardson, TX, US ### [Advanced Packaging Cryogenic Modeling Engineer](https://jobs.opennash.com/companies/globalfoundries/jobs/5cf4bd934f08afe11ace/) Essex Junction, Vermont, United States of America, Santa Clara, California ### [Advanced Packaging Modeling Engineer](https://jobs.opennash.com/companies/globalfoundries/jobs/8243873d745abe2e6fc0/) Malta, New York, United States of America ## Similar jobs at other companies ### [Staff Engineer - Linux Device Drivers](https://jobs.opennash.com/companies/qualcomm/jobs/3153e827d3f708cb292e/) Qualcomm · Bangalore, India ### [Sr Device FA Engineer](https://jobs.opennash.com/companies/sandisk/jobs/ec9393dacd30cfe90fb0/) Sandisk ### [Home Device Development Senior Engineer](https://jobs.opennash.com/companies/vodafone/jobs/17c39607e6412683bade/) Vodafone · LISBOA, Portugal ### [Senior NAND/CMOS Device Engineer](https://jobs.opennash.com/companies/sandisk/jobs/0ca3671b11187484db0e/) Sandisk ### [Senior Engineer - Device & Cloud Integration](https://jobs.opennash.com/companies/qualcomm/jobs/fb69b320c42f4d2bdcc8/) Qualcomm · Chennai, Tamil Nādu, India OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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