Senior Security Engineer

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Geneva
Hybrid
Cloud • Information Technology • Security • Software
Sonar is the trust and verification layer for AI code, and the industry standard for automated code review.
The Role

Why should I Apply:


At Sonar, we’re a group of brilliant, motivated, and driven professionals working hard to help organizations build responsible, secure, high-quality code quickly and systematically. We build solutions that don’t just solve symptoms of problems – we fix problems at the source – source code, to be specific.


We have a dynamic culture with employees worldwide and hub offices in the USA, Switzerland, the UK, Singapore, and Germany. We believe team members should have the opportunity to come to work every day, work on a product they are proud of, love what they do, and feel energized by their peers. With our roots deep in the open source community, we’re all about the mission: provide solutions that deliver Clean Code.


The impact you will have


Our primary goal is to build trust with our rapidly growing customer base by ensuring the security of our products and demonstrating that our organization meets stringent security standards.


As a member of the Information Security team, you will work with the engineering teams to ensure products and cloud platforms are designed, built, and maintained to Sonar’s high security standards and assist them through constant improvement. You will also ensure endpoints are fully secure and meet our engineers' needs while procuring and deploying new solutions. You will investigate and resolve security issues raised with our team. As part of a team-based organization, your contributions will significantly impact the growth of our business through Sonar’s “collective intelligence” mindset.

On a daily basis, you will

  • Develop and deliver security initiatives through the Strategic Security Plan.
  • Procure, design, and implement new security tools and features.
  • Work with the engineering teams to design and implement security solutions for products.
  • Run internal and external security reviews and pen-testing campaigns.
  • Investigate and resolve security issues in products and internal systems.
  • Review engineering product architecture and solutions to ensure integration of security requirements.
  • Investigate and manage CVE and cloud platform configuration. 
  • Manage and adjust cloud networks and firewalls.

The technical skills you will demonstrate

  • Extensive experience with Cloud architectures including AWS and GCP
  • Extensive experience with CI/CD platforms
  • Experience with application security assessment methods and reviews including authentication and authorization.
  • Experience with threat modeling using frameworks like STRIDE.
  • Pen-Testing experience 
  • CVE investigation and management
  • End-point security such as CrowdStrike and CyberArk
  • Cloud network and firewall management
  • Azure platform and Google Workspace experience are a plus.

The soft skills you will demonstrate

  • You are a curious person by nature
  • You are a friendly, enthusiastic, and an organized team player. 
  • You actively share your knowledge and give and receive feedback, to improve the team and yourself.  
  • Ability to clearly identify the problem to be solved and articulate it before working on the solutions.
  • You have experience working on cross-team projects across a global organization.
  • You are fluent in Written and spoken English.

Why you will love it here:


Our culture and mission set us apart. We have a dynamic work culture that values respect and kindness – and embraces the right to fail (and get right back up again!). We believe that the best idea wins and everyone has a voice.

We believe that great people make a great company. We value people skills as much as technical skills and strive to keep things friendly and laid-back while still being passionate leaders in our domains. Our 550+ SonarSourcers from 33 different nationalities can relate!

We embrace work-life balance. It is important to maintain a healthy work-life balance. This is why we have a flexible work policy that includes remote and in-office hybrid work (minimum three days a week in the office - Monday/Tuesday/Thursday).

We have a growth mindset. We love to learn and believe that continuous education is critical to our success. In an ever-changing industry, new skills are a must, and we're happy to help our team acquire them.



We prioritize Diversity, Equity, and Inclusion:


At Sonar, we are a global workforce and recognize the value of different backgrounds, and global cultures.


We are committed to creating a diverse work environment and are proud to be an equal-opportunity employer. All qualified applicants will be considered for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.


All offers of employment at Sonar are contingent upon the clear results of a comprehensive background check conducted prior to the start date.


Please note that applications submitted through agencies or third-party recruiters will not be considered.

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The Company
HQ: Geneva
800 Employees
Year Founded: 2008

What We Do

Sonar provides the essential verification layer for the AI-driven development era, ensuring all code—whether human-written or AI-generated—is code you can trust.

Today, AI coding tools are generating explosive volumes of code. This has created an "engineering productivity paradox" : faster code writing doesn't automatically lead to faster, safer software delivery. The new bottleneck is verification.

Sonar solves this. Integrating code quality and code security into a single platform (SonarQube), Sonar delivers deterministic, repeatable, and actionable code verification at scale, analyzing over 750 billion lines of code daily to ensure software is secure, reliable, and maintainable.

For organizations, Sonar provides the critical SDLC governance and compliance reporting needed to de-risk AI adoption and manage standards at scale. We empower teams to "vibe, then verify" — innovating at the speed of AI without sacrificing the quality, security, or maintainability of their codebase.

We are driven by a deep belief in our people, a commitment to excellence, and an unwavering dedication to delivery. We operate as a united group where our collective success is the sum of each individual's contributions. Our company culture is driven by the values of CODE: Committed, Obsessed, Deliberate & Effective. This mindset reflects our culture of creativity, collaboration, and pride in the work we do.

Rooted in the open source community, Sonar’s solutions support over 35 programming languages, frameworks, and infrastructure technologies. Today, Sonar is used by 7M+ developers worldwide, including Snowflake, Booking.com, Deutsche Bank, AstraZeneca, and Ford Motor Company.

Sonar is headquartered in Geneva, Switzerland with additional offices in Austin, Texas; Bochum, Germany; London, Singapore, and Tokyo. The company is rapidly growing with over 750 employees!

Join us in our mission to solve the trillion-dollar challenge of bad code!

Why Work With Us

We are a product-first company, with a people-first culture. Every employee has the opportunity to grow and learn. We promote from within, provide regular feedback and professional development opportunities, value the right to fail along with respect and kindness and work with team members to achieve their full potential.

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Sonar Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

At Sonar, we require employees to come into the office 3 days/week.

Typical time on-site: 3 days a week
HQGeneva Office (HQ)
Annecy Office
Austin, TX office
Bochum Office
London Office
Singapore Office
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