Our company’s mission is to make secure login easy and available for everyone. Yubico was founded in 2007 by Stina and Jakob Ehrensvard, and is public on Nasdaq Stockholm Main Market: YUBICO.

We are a global company with a strong company culture and employees located in over 14 countries. Yubico’s headquarters are based in Stockholm, Sweden and Santa Clara, CA.

Aligned with our mission to make the internet more secure for everyone, Yubico donates YubiKeys to organizations helping at-risk individuals through our philanthropic initiative, Secure it Forward.

Tasks & Responsibilities:

Implement, maintain and optimize cryptographic algorithms and primitives (e.g. encryption, hashing, digital signatures, key exchanges) that run on YubiKeys and YubiHSMs

Follow research about classical algorithms (RSA, ECC, etc.), as well as Post Quantum Cryptography algorithms (ML-DSA, ML-KEM, etc.)

Basic Qualifications:

Ability to follow research in cryptography

Good understanding of classical (a)symmetric cryptography and PQC

Knowledge of side-channel attacks (EM, power and timing analysis etc.) and mitigations against them

Disciplined approach in writing correct and highly efficient code

Preferred Qualifications:

Low level programming experience (C and Assembly)

Experience with embedded architectures

Ability to adapt and tune algorithms on resource constrained environments

Knowledge around fault injection attacks

Hands-on experience with lab equipment such as oscilloscopes, logic analyzers and similar

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We're looking for a Power Engineer II to contribute to the design, analysis, and validation of power electronics systems critical to our aircraft. This role is perfect for an engineer with a solid foundation in power systems who is eager to grow, own challenging projects, and see their work move rapidly from concept to flight.

Key responsibilities include:

• Designing power electronics systems, including high-voltage and low-voltage systems, DC-DC converters, inverters, and motor controllers
• Developing embedded safety and protection mechanisms
• Designing across power ranges, from 10 kW high-power applications
• Owning the entire hardware development flow, from concept to testing and validation
• Collaborating with mechanical, CAD, embedded, software, production, and aircraft teams throughout the product lifecycle

Requirements include:

• B.S. in Electrical Engineering or equivalent
• 1+ years of experience as an Electrical Engineer
• Experience with circuit design, schematic capture, component selection, circuit testing, and debugging
• Familiarity with Altium or equivalent
• Experience with lab equipment, such as oscilloscopes, power supplies, E-loads, and multimeters

This is a full-time position with a salary range of $91,660 - $137,490 per year, plus bonus, benefits, and equity.

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This role is ideal for someone who thrives in a structured lab setting , assembling, soldering, wiring, organizing, troubleshooting, and ensuring engineers have everything they need to move quickly. You will work side-by-side with electrical, mechanical, and software engineers to build, support, and maintain prototype avionics hardware in a fast-paced R&D environment.

Responsibilities:

• Support lab setup, layout, organization, and ongoing infrastructure improvements
• Manage equipment procurement, part ordering, and inventory for the avionics lab
• Maintain calibration, traceability, and documentation for lab equipment
• Assemble, modify, and deploy prototype PCBAs and avionics modules
• Perform moderate PCB rework and fine-pitch soldering under microscope
• Rework and modify boards to support engineering iteration
• Build and modify wire harnesses and cable assemblies as needed
• Support environmental testing (temperature, vibration, altitude, humidity) including instrumentation and setup
• Operate oscilloscopes, multimeters, power supplies, logic analyzers, and environmental chambers
• Maintain detailed documentation of builds, lab procedures, and hardware modifications
• Assist engineers in debugging and validating hardware in a structured, repeatable manner
• Help establish and maintain lab best practices, organization standards, and safe operating procedures

Qualifications:

• 2+ years of hands-on experience in an electrical hardware development or R&D lab
• Strong ability to read and interpret electrical schematics and layouts
• Experience operating lab equipment (oscilloscopes, DMMs, power supplies, environmental chambers, etc.)
• Experience with PCB rework and component-level soldering
• Comfortable disassembling and reassembling electronic assemblies
• Experience working within a PLM system (Arena, Agile, or equivalent)
• Strong organizational skills and attention to detail
• Ability to work independently and support multiple engineers simultaneously

Preferred Qualifications:

• Experience building and modifying wire harnesses and cable assemblies
• Familiarity with PCB layout tools such as Altium (or similar)
• Experience maintaining lab inventory and calibration systems
• Familiarity with avionics, UAVs, or aerospace hardware
• Comfort using mechanical shop tools and basic fabrication equipment
• Experience supporting prototype manufacturing environments

$28 - $42 an hour

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This role is an exciting opportunity to be responsible for integrating avionics systems, sensors, actuators, and payloads onto the XBAT and Launch and Recovery vehicle ensuring from concept through production.

Responsibilities: Support integration of avionics systems, sensors, actuators, and payloads into the aircraft and launch/recovery vehicle Assist in harness design Support hardware bring-up, integration testing, and debugging Participate in root cause investigations and corrective actions Create and maintain integration documentation, test procedures, and verification reports Work closely with mechanical, embedded, software, and manufacturing teams to resolve integration challenges Support environmental and qualification testing of flight hardware Contribute to continuous improvement efforts across hardware development projects

Required qualifications: Bachelor’s degree in Electrical, Mechanical, Aerospace, or Systems Engineering (or equivalent experience) 0–3 years of relevant industry or internship experience Strong fundamentals in electrical systems and hardware integration Hands-on experience working with embedded systems, sensors, or power systems (academic projects acceptable) Comfort working with lab equipment (oscilloscope, DMM, power supplies, etc.) Strong troubleshooting mindset and willingness to work hands-on with hardware Ability to work in a fast-paced, iterative development environment

$91,660 - $137,490 a year

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Key Responsibilities:

• Support sensor integration activities from specification through production
• Develop and execute sensor characterisation and calibration procedures for IMUs, GNSS receivers, cameras, and other navigation sensors
• Contribute to sensor trade studies and selection processes

Collaboration:

• Work closely with electrical engineering, mechanical engineering, and software engineering teams on electrical interfaces, power distribution, and signal conditioning, mounting solutions, alignment, and thermal/vibration considerations, software interfaces, drivers, data acquisition, and calibration implementation
• Participate in design reviews across EE/ME/SW disciplines, providing interdisciplinary perspective and coordination

Technical Contributions:

• Develop and execute test plans for sensor performance characterisation and validation
• Document sensor characteristics, trade studies, and integration requirements
• Develop or modify calibration scripts and data processing tools
• Support development of calibration procedures and tooling
• Debug issues spanning hardware-firmware-software boundaries
• Review and contribute to schematics, CAD models, and code as necessary

Requirements:

• BS in Electrical Engineering, Mechanical Engineering, Aerospace Engineering, Physics, or related field
• 1-4 years of relevant experience (new grads with strong cross-functional internship/project experience will be considered)
• Demonstrated ability to work across at least two of: electrical, mechanical, software domains

Desirable Qualifications:

• Experience with navigation or localisation sensors (IMUs, GNSS, cameras, altimeters, etc.)
• Exposure to sensor calibration or characterisation activities
• Basic proficiency with engineering tools such as Altium, NX, and Teamcenter
• Familiarity with embedded systems or real-time software
• Understanding of coordinate transformations or sensor fusion concepts
• Experience with automated testing or data acquisition systems
• Knowledge of aerospace environmental testing or standards

Offer Package:

• Pay within range listed ($110,000 - $170,000 a year) + Bonus + Benefits + Equity

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You'll collaborate closely with embedded software engineers, mechanical engineers, and physicists to deliver cutting-edge quantum control solutions. We're looking for someone who will deepen our team's expertise in low-noise mixed-signal board design , including specifying and designing critical circuit components such as low-noise power supply rails, precise clock distribution, and high-speed transceivers.

We're seeking an experienced Electrical Engineer with a proven track record of leading projects across diverse teams and driving technical excellence in fast-paced, high-growth environments. The ideal candidate combines deep technical expertise with exceptional communication and leadership skills, effectively translating complex concepts for diverse audiences and influencing key design and delivery decisions. This individual fosters a culture of innovation, accountability, and rigorous engineering design, while mentoring others to achieve their highest potential.

Responsibilities:

• Collaborate with internal and external team members to generate system requirements
• Capture circuit board schematic and layout for designs containing digital, analog, and RF components
• Create and execute test plans using oscilloscopes, spectrum analyzers, and VNAs (also qubits!)

Required Qualifications:

• Previous experience working in startups or dynamic work environments
• BS or MS degree in EE, or equivalent, with 10+ years experience
• Ability to operate standard lab equipment (oscilloscopes, spectrum analyzers, and VNAs)
• Excellent communication skills and an ability to interact across different disciplines
• Demonstrated success taking designs from conception through the full design cycle, including manufacturing and test

Preferred Qualifications:

• Experience with analog design and simulation (SPICE or equivalent)
• Knowledge of signal processing concepts: Nyquist zones, convolution, cross-correlation, numerically-controlled oscillators
• Focus on supporting other teams and a desire to jump in and help
• Exposure to Verilog/VHDL and digital hardware design and FPGA development
• Familiarity with Python scripting (especially scientific Python libraries like numpy and scipy)
• Understanding of RF design and test

Additional Information:

As engineering leaders, we value diversity and are committed to building a culture of inclusion to attract and engage innovative thinkers. Our technology, meant to serve all of humanity, cannot succeed if those who built it do not mirror the diversity of the communities we serve. Applications from women, minorities, and other under-represented groups are encouraged.

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Engineer your future with us!

Internship Experience: At Synopsys, interns dive into real-world projects, gaining hands-on experience while collaborating with our passionate teams worldwide,and having fun in the process! You'll have the freedom to share your ideas, unleash your creativity, and explore your interests. This is your opportunity to bring your solutions to life and work with cutting-edge technology that shapes not only the future of innovation but also your own career path.

Job Description:

• Develop and optimize software tools and automation scripts for silicon validation in a modern lab environment.
• Identify, implement, and refine lab automation processes to enhance efficiency and streamline validation workflows.
• Troubleshoot and improve software-driven validation processes, ensuring high accuracy and reliability in data acquisition.
• Collaborate with cross-functional teams to integrate new lab technologies that accelerate test and validation cycles.
• Document and share best practices, contributing to a culture of continuous improvement and technical innovation.

Requirements:

• Currently pursuing a bachelor's or master's degree in Electronic Engineering, Computer Science, or a related field.
• Proficiency in programming and scripting languages such as Python, Matlab, C/C++, or similar.
• Familiarity with lab equipment and test environments is recommended.
• Experience or knowledge of data acquisition systems and modern lab instruments (oscilloscopes, BERTs, VNA, etc.).
• Skilled in software debugging and version control tools.
• Analytical, resourceful, and enthusiastic about experimenting with new technologies.
• Strong communication and documentation skills.
• Self-driven, proactive, collaborative, and willing to adapt in a dynamic, hands-on setting.

Program Facts:

• Program Length: 6 months internship
• Location: Lisbon (Porto Salvo), Portugal
• Working Model: On-site
• Full-Time
• Start Date: April

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You will work alongside system architects, chip and board designers, software/firmware engineers, HW/SW applications engineers, process/reliability specialists, ATE engineers, and operations in a dynamic and high-energy work environment to bring industry-defining products to market.

Your responsibilities will include:

• Collaborating with cross-functional teams to craft essential next-generation product features that are important for performance, power optimization, and power management.
• Collaborating to craft tools for post-silicon work, build post-silicon methodologies to characterize silicon power, correlate silicon behavior with simulation.
• Working with various Arch & Design teams to come up with test plans of new features.
• Collaborating with other validation & bring-up teams to bring up/characterize silicon power and power saving features.
• Working with design & estimation teams to correlate with pre-silicon expectation, work with HW and SW teams to do the vital tuning and optimization of silicon power.
• Developing power consumption models to be used in binning, productization, and customer application notes, characterize and develop various power control mechanisms together with Arch/Design/SW teams.

We need to see:

• B. Tech or M. Tech in Electronics Engineering stream, with 3+ years related work experience, excellent problem-solving, collaborative, and interpersonal skills.
• Strong understanding of aspects related to silicon power and performance, technology node impacts, Hardware and Software interactions at system level.
• Hands-on experience with silicon bring up, validation, and productization, good knowledge in board and system design considerations, Power supply design.
• Very good problem-solving and hardware debugging skills, very good data analysis and logical reasoning skills.
• Strong familiarity with HW lab environment and understanding of various lab equipment.
• Experience in working with windows. Linux exposure is highly preferred.
• Working experience with scripting languages like perl and/or python is a plus point.
• Must be a great teammate and ready to collaborate with global teams from diverse cultural backgrounds in a high-energy environment.
• Exposure to critical path analysis, power analysis, process technologies, transistor/device physics, silicon reliability, and aging mechanisms.
• Background with power supply and substrate noise analysis and mitigation. Exposure to digital design, circuit analysis, computer architecture, BIOS, drivers, and software applications.

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Your primary responsibilities will include developing and integrating test flows, scripts, and automation to ensure robust SLT coverage and seamless communication between test controllers and peripherals. You will also partner with system architecture, chip design, and validation teams to define and deliver production-ready SLT and HVM test solutions.

In addition, you will drive custom SLT development to optimize system performance, power efficiency, and test coverage. You will oversee handler selection, enablement, and hardware integration, including PCB design, socket selection, and temperature control systems.

You will also improve manufacturing test quality by enhancing test correlation, yield, and reliability across NPI, HVM, and RMA processes. You will collaborate closely with Original Design Manufacturers (ODMs) on production enablement, sustaining, yield analysis, and DPPM reduction initiatives.

Finally, you will support silicon qualification and reliability testing (HTOL, Burn-in) at the system level.

To be successful in this role, you will need to have a strong understanding of electrical engineering principles, including signal integrity, data handling, and reporting. You will also need to have experience with lab equipment and measurement techniques for high-speed interfaces using high-speed scopes, probes, spectrum analyzers, BERTs, etc.

Additionally, you will need to have strong problem-solving skills, good communication skills, and the ability to work cooperatively in a team environment.

If you are a motivated and experienced Senior Post Silicon Validation Engineer looking for a new challenge, please apply today!

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Responsibilities

• Design next-generation automotive ECUs, inverters, and BMS, including schematic, simulation, thermal analysis, PCB layout, circuit tolerance, worst-case analysis, and signal integrity analysis.
• Design analog circuits using op-amps, logic gates, analog/digital sensors, signal isolators, transceivers, MCUs, and PMICs.
• Design switch mode power supplies (Buck, Boost, SEPIC, Flyback, etc.).
• Define hardware-software and communication interfaces (CAN, LIN, etc.), specifying component sourcing activities.
• Support lab tests, debug, and validation activities.
• Support project and quality management activities.

Requirements

• Bachelor's degree in Electrical/Electronics, Mechatronics Engineering.
• Minimum 2 years of experience in related areas.
• Experience with analog and digital hardware design.
• Experience with analog circuit simulation and analysis using LTspice or similar SPICE software.
• Experience with Altium Designer or similar PCB design software.
• Experience with lab equipment and testing.
• Fluent speaking and excellent writing skills in English.

Benefits

• Competitive salary and benefits package.
• Opportunity to work with a leading mobility technology company.
• Collaborative and dynamic work environment.
• Professional development and growth opportunities.

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What you'll do

Minimizing supplier quality issues using root cause analysis, implementing temporary solutions and permanent countermeasures to ensure minimal line impact and optimal product quality.

• Create all reporting documentation to communicate to supplier base (HTR’s, Inspection Data Sheets, Supplier Visits Reports, Etc.) that are created through utilization of lab equipment and parts measurement to drawing.

What you need

• Minimum Educational Qualifications BS ENG degree + 0 years, AS ENG degree + 4 years, HS degree + 6 years

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