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Salary
≈ $37k – $109k per year (Estimated)
Location
Hybrid (Tallinn, Estonia)
Employment
Full-Time

First seen by Alion on Sep 28, 2026.

Overview
Company
Impact
Profile match
Bolt is an Estonian mobility super-app that offers a wide range of urban transportation and delivery services across Europe, Africa, Western Asia, and Latin America. Founded in 2013 as Taxify, the platform provides ride-hailing, micromobility rentals such as electric scooters and e-bikes, car-sharing, and food and grocery delivery. Today, the company serves over 150 million customers across more than 45 countries, focusing on providing affordable, fast, and sustainable urban travel solutions.

About Bolt

Bolt is shaping a future where cities are built for people, not cars. What started as an ambitious project of a 19-year-old in 2013 has grown into a global mobility platform used by more than 200 million customers and 4.5 million driver and courier partners across 50 countries.

From ride-hailing and food delivery to scooters, e-bikes, and car-sharing, Bolt helps people move through cities every day. Small, autonomous teams drive this work, combining the speed and ownership of a startup with the scale of a global technology company backed by more than €1bn in funding.

And we're just getting started.

Why join Bolt?

  • Build the future of mobility and help transform how people live and move in cities.
  • Tackle challenges at scale that span technology, operations, regulation, and growth.
  • Take real ownership early. Small, lean teams mean your decisions matter from day one, and you'll learn fast alongside some of the best people in the industry.
  • Join one of Europe's leading technology companies, backed by world-class investors including Sequoia.

About the role

At Bolt, Internal Security focuses on detecting, preventing, and collaborating with relevant teams on mitigating security vulnerabilities across Bolt’s infrastructure. In addition, the Internal Security team is expected to monitor and detect anomalies in user and entity behavior and build capabilities to prevent unauthorized actions both from internal users as well as external adversaries. Bolt uses the latest technologies, which makes it necessary to understand the latest methods and tools for detection and prevention, as well as attack methods.

As a Cybersecurity Engineer focusing on internal security at Bolt, you will have the opportunity to explore security on multiple tech stacks across our platforms. You'll have the possibility to find novel solutions to secure novel needs of user and entity management with support from dedicated teams.


Main tasks and responsibilities

  • Collaborating with fellow engineers as a security expert and advisor to support security requirements and provide actionable long-term risk mitigation guidance over the entire Bolt user and entity ecosystem.
  • Creating and updating threat models to help cover modern threats.
  • Being part of detection engineering initiatives to cover potential/active attacks both old and new.
  • Building tools toward security automation, monitoring, detection and discovery, and mitigation.
  • Keeping yourself up-to-date with the latest news in the IT security world.
  • Being free to try out new tools and ideas with support from open-minded colleagues.

About you

  • You are familiar with programming and scripting languages, as well as modern software development practices.
  • You have a university degree in cybersecurity or a related field.
  • You are skilled at investigating logs, identifying anomalies, and building detection rules using log management platforms and SIEM tools.
  • You are keen to make the best use of existing security tools and technologies, including EDR, MDM, Linux and macOS, and security case management platforms.
  • You have experience in areas such as malware analysis, incident response, digital forensics, threat intelligence, penetration testing, or reverse engineering.
  • You understand identity and access management principles, including the practice of least privilege.

Why you’ll love it here

  • Accelerate your professional growth with unique career opportunities.
  • Enjoy a rewarding salary and stock options, knowing that as Bolt succeeds, so do you.
  • Take care of your physical and mental health with our wellness perks.
  • Celebrate 5 years at Bolt with a 1-month paid sabbatical to recharge.
  • Connect with colleagues at annual company events and smaller team gatherings.
  • Balance flexibility and in-person collaboration with our hybrid model, including at least 12 monthly in-office days.

Some perks may differ depending on your location and role.


At Bolt, using AI daily is a baseline expectation for everyone. If there’s a faster, smarter way to do your work, we expect you to find it. You’re still responsible for the output, so the standard stays high when using AI tools.

Experience is great, but what we really look for is drive, intelligence, and integrity. So even if you don’t tick every box, please consider applying!

Everyone is welcome

Bolt is an equal opportunity employer. We are committed to building a diverse and inclusive workplace where all qualified applicants are considered for employment without regard to race, colour, nationality, religion, gender or gender identity, sexual orientation, age, or disability.

We welcome applications from all backgrounds and are happy to make reasonable accommodations throughout our hiring process. If you require any adjustments, please let us know.

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