Senior Security Engineer

Who is Sonar?

Sonar is driving the future of agent-centric software development. As the leader in AI code review and verification, we solve a critical problem: ensuring that software generated by AI-assisted developers or autonomous agents is reliable, secure, and maintainable.

Integrating seamlessly with Claude Code, Codex, Cursor, GitHub Copilot, Gemini, and Devin, we help over 75% of the Fortune 100 build trusted, reliable, compliant software. Customers who use Sonar are 44% less likely to report an outage due to AI-generated code.

We believe code verification is the critical missing link in the Agent-Centric Development Cycle (AC/DC). Industry giants like Nvidia, ServiceNow, Booking.com, Goldman Sachs, AstraZeneca, and Ford Motor Company.count on us to provide independent, explainable, consistent review and governance of their AI-generated code via products like:

• SonarQube: The world’s leading AI code review and verification platform.

• SonarQube Foundation Agent: Currently topping the leaderboards for agentic software repair.

• SonarSweep & Sonar Context Augmentation: Providing the enterprise-grade context and constraints agents need to be truly effective.

Our team operates across global hubs in Austin, Bochum, Dubai, Geneva, London, Singapore, Tokyo, and Washington D.C. We move with a mindset we call CODE:

• Committed to our customers and community.

• Obsessed with quality.

• Deliberate in our decisions.

• Effective as one team.

With over $400M in revenue and profitable, fast-paced growth, we are building the backbone of the AI software revolution. If you’re hungry to have an impact, want to build at a fast pace, and ready to work at the forefront of AI, we want to hear from you.

Position description

As a Senior Security Engineer in Austin, you will provide senior-level expertise to leadership, engineering, and Go-To-Market teams while assisting with incident response when necessary. Your primary focus will be partnering with infrastructure and product teams to implement secure-by-design architecture, practical security automation, and advanced vulnerability management.

What you will do

• Secure by design: Partner with product, platform, and infrastructure engineering teams to design and implement secure solutions.

• Security review: Review cloud,network and endpoint architectures to ensure security requirements are identified early and integrated effectively.

• Cloud security: Help engineering teams improve security across the software development lifecycle, cloud environments, and supporting services.

• Vulnerability management: Investigate security findings, validate risk, partner with owners on remediation plans, and help drive issues to closure.

• Security engineering projects: Develop and implement security specific solutions that support Sonar’s strategic security plan, including evaluating and introducing new tools and capabilities.

• Data Leakage: Drive DLP efforts across the company.

• Customer trust support: Investigate and help address customer security concerns related to Sonar products, cloud platforms, and security controls.

• Security incidents: As needed, act as a security subject matter expert during investigations, containment, remediation, and post-incident follow-up.

• Threat management: Review relevant threat intelligence, assess how it applies to Sonar, and recommend practical mitigations.

• Standards and guidance: Contribute to security patterns, engineering guidance, and repeatable practices that make the secure path the easiest path for teams.

Experience and qualifications

• You can demonstrate strong hands-on experience in security engineering, cloud security, application security, or a closely related discipline.

• You can demonstrate in-depth experience with cloud architectures, primarily AWS.

• You can demonstrate experience reviewing architectures and embedding security requirements into engineering and operational workflows.

• You can demonstrate experience assessing and securing modern application environments, including AI and agentic AI features.

• You can demonstrate experience with vulnerability investigation, prioritization, and remediation management.

• You can demonstrate practical scripting and automation experience using tools such as Python or Bash.

• You are comfortable working across technical and non-technical stakeholders and can communicate risk and recommendations clearly.

• Experience with SaaS environments. Wiz, CrowdStrike, and Google Workspace are a plus.

Additional comments

This role is based in Austin, TX. We are unable to consider candidates unwilling to be in Austin, but we are willing to relocate the right candidate.

Benefits

• Flexible comprehensive employee benefit package.
• We encourage usage of our robust time-off allocations. You will receive  23 days of PTO per calendar year (on a pro-rated basis depending on your employment start date), with additional time provided for sickness, life events and holidays
• .We offer an exciting 401(k) plan that has a 4% match, fully vested on day one of participation.
• Fully paid parking in the heart of downtown Austin, Texas.
• Global workforce with employees in 20+ countries representing 35+ unique nationalities.
• We have an annual kick-off somewhere in the world where we meet to build relationships and goals for the company.
• Monthly catered events, and team events

We value diversity, equity, and inclusion

At Sonar, we believe that our diversity is our strength. We are a global company that values and respects different backgrounds, perspectives, and cultures. We are committed to fostering a diverse and inclusive work environment where everyone feels valued and empowered to contribute their best. We are proud to be an equal opportunity employer and welcome all qualified applicants, regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

If you need any accommodation, please reach out to us at hiring@sonarsource.com. 

All offers of employment at Sonar are contingent upon the results of a comprehensive background check and reference verification conducted before the start date. 

We do not currently support visa candidates in the US. 

Applications that are submitted through agencies or third party recruiters will not be considered.