Jobs and Careers
YU

Senior Firmware Security Engineer

Yubico
Remote Sweden, SwedenRemotefull_timeVerifiedPosted 26 Mar 2025

About the role

Meet Yubico: the inventor of the YubiKey––the world's first and leading security key. 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 recently went public on Nasdaq Stockholm Main Market: YUBICO. Our customers include Fortune 500 companies, hundreds of government agencies and millions of individuals in over 160 countries that rely on Yubico technology to secure access to computers, online services and mobile apps. 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.

At Yubico, we offer:
Freedom and Flexibility: At Yubico, we want you to be your most productive selves whether you decide to work 100% from home or choose to work hybrid/onsite. The way we balance the fast-paced demands of a high-growth company and sustainability is making rest a priority.
Yubico Values: We work to ensure that our employees have an open space to have their voices amplified to create a workplace where everyone feels like they belong. Aligned with this, our employees have created some pretty cool Employee Resource Groups: YubiPride, YubiBIPOC, YubiSustainability and YubiWomen. Additionally, Yubico donates YubiKeys to organizations in need all over the world (you can read more about our work here).
Social Connection: Relationships and connectedness matter, and we love spending time with our team! Our virtual workspace keeps us connected day-to-day whether it's through Yubico celebrating wins or our buzzing Slack communities. We host an all-team event in a new location every year where we plan for upcoming quarters, set goals, and most importantly, host fun events to encourage team building outside of the workplace. Check out our Life at Yubico Page on LinkedIn and our awards here.
The Role:
The Product Security team is responsible for ensuring Yubico develops and maintains secure products and services. As part of the Product Security team, your primary responsibility will be to collaborate with the hardware and firmware teams to integrate solutions that support secure design and development practices. You will also employ a combination of static and dynamic analysis methodologies to identify and remedy complex vulnerabilities across our products. 
If you are looking for an interesting challenge, are passionate about security, and want to work at a security-oriented company, this opportunity is for you. 

Tasks & Responsibilities:

  • Define and evangelize requirements and guidance for secure by design and secure by default principles
  • Implement automation to prevent and detect security flaws in all phases of development
  • Conduct design reviews and manual security assessments
  • Lead training and awareness sessions
  • Define and implement metrics to provide visibility into the impact of your work
  • Define, lead, and influence processes to secure products and services
  • Identify and advocate for new and novel uses of Yubico’s technology

Basic Qualifications:

  • 5+ years in a product security role
  • 3+ years of software development
  • Proficiency in threat modeling
  • Proficiency in C
  • Knowledge of common vulnerability classes

Optional Skills & Experience:

  • Bachelor’s or Master's degree in Computer Science or similar fields
  • Knowledge of WebAuthn, OATH HOTP, OATH TOTP, U2F, PIV, or OpenPGP
  • Proficiency in C++ or Rust
  • Experience developing for ARM
  • Experience in targeted fuzzing
  • Experience in fault injection and side channel analysis
#LI-Remote#LI-BR1
We are an equal opportunity employer, we value diversity and uphold an inclusive environment where all people feel that they are equally respected and valued. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity or expression, age, marital status, religion, national origin, disability, protected Veteran status or any other characteristic protected by law. We'd love to learn about what you can add to our diverse team.
Yubico does not accept agency resumes or referrals so please do not send them to our careers staff or employees. Yubico

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Yubico

View company profile →