Opera

AI Security Researcher

Opera  •  San Francisco, CA (Onsite)  •  2 days ago
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Job Description

Join Opera's Security Team as an AI Security Researcher

Opera is looking for curious and hands-on AI Security Researchers to help uncover vulnerabilities and improve the security of next-generation AI-powered products.

As part of Opera's Security Team, you will perform offensive security research against agentic AI systems, browsers, and emerging technologies. You will work closely with senior researchers, engineers, and product teams to identify risks, develop testing methodologies, and strengthen the security of Opera's AI ecosystem.

This role is ideal for security researchers, bug bounty hunters, red teamers, and offensive security practitioners who are passionate about AI and emerging technologies.

Role & Responsibilities:

  • Conduct security research against AI-powered applications, agentic systems, browsers, and emerging technologies

  • Investigate prompt injection, tool abuse, agent manipulation, data leakage, and other AI-specific attack vectors

  • Develop proof-of-concepts, testing frameworks, and research tooling to assess AI security risks

  • Perform penetration testing, security assessments, and architecture reviews of AI-powered products

  • Produce clear technical documentation, vulnerability reports, and reproducible research artifacts

  • Collaborate with product and engineering teams to help remediate findings and improve product security

  • Monitor developments in AI security, adversarial machine learning, and offensive security research

  • Contribute to open-source projects and security community initiatives

Job Requirements:

  • Hands-on experience in offensive security, penetration testing, vulnerability research, bug bounty programs, or red teaming

  • Demonstrated ability to identify and responsibly disclose security vulnerabilities

  • Experience assessing AI systems, LLM applications, agentic frameworks, or related technologies

  • Strong programming skills with the ability to build tooling and automate testing workflows

  • Familiarity with prompt injection, AI abuse scenarios, model security, and emerging AI attack techniques

  • Strong problem-solving skills and ability to operate independently

  • Excellent written communication skills and ability to document technical findings clearly

Preferred Qualifications:

  • Bug bounty achievements, CTF participation, or public security research

  • Experience with AI red teaming or adversarial testing

  • Open-source contributions related to security or AI

  • Familiarity with MCP, agent frameworks, vector databases, and modern AI application architectures

  • Security certifications or relevant academic background in cybersecurity, computer science, or related fields

What’s On Offer:

At Opera, you’ll join a diverse and inclusive team of experienced, supportive professionals who value creativity and collaboration. We work in a flat structure with short decision-making paths, use smart technology, and support your ongoing skill development in a friendly and empowering environment.

Interested?

We’d love to hear from you! Applications are reviewed on a rolling basis, so we encourage you to apply soon. Please submit your CV in English. Have questions about our recruitment process, remote work, or benefits? Check out our FAQ page for more details.

Opera

About Opera

Opera is a leading global internet brand with a large and engaged user base of approximately 300 million average monthly active users. Building on 30 years of innovation, starting with our browser products, we are leveraging our brand as well as our massive and engaged user base in order to expand our offerings and our business. Today, we offer users around the globe a range of products and services that include a variety of PC and mobile browsers, our Opera Gaming portals and development tools, our Opera News content recommendation products, our audience extension product (namely the Opera Ads platform) and a number of AI and Web3 products and services.

How do we do it?

Opera is at the forefront of building ideas, bringing together exceptional international teams of developers, coders, researchers, marketers, and support professionals. Our goal has always been to provide the best online experience on any device, leveraging our decades of experience and dedication to innovation. 

Our success is also driven by our people. We know what it takes to build a winning team, and we seek out individuals who share our values and our passion for excellence. We believe in giving our team members the freedom to work in ways that suit them best, trusting them to deliver their best work on their own terms. We value collaboration and teamwork, recognizing that we can achieve more when we work together than when we work alone. And above all, we look for good human beings who share our commitment to making a positive impact on the world.

If you're interested in job opportunities at Opera, be sure to check out jobs.opera.com. You'll find a comprehensive list of all positions currently available at our company.

And if you're looking to download one of our browsers, head over to www.opera.com. There, you'll find everything you need to get started with the latest version of our browser.

Industry
IT & Software
Company Size
1,001-5,000 employees
Headquarters
Oslo, NO
Year Founded
1995
Website
opera.com
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