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Secuirty Engineer, Critical Safety

Who are we?

We believe Ethereum has the potential to solve some of humanity’s most crucial coordination issues. Since our initial inception as a research group, we have sought to scale both its technology and values.

At present, the most pressing bottleneck to the growth of Ethereum is its performance and scalability. We are building the most elegant solution to this problem. We do this in the open (under an MIT open source license) because we believe in open source innovation and its ability to accelerate growth.

OP Labs contributes to the Optimism protocol, an extension to Ethereum that scales both its technology and values. Optimism enables orders of magnitude of improved performance and scalability to Ethereum while doubling down on its commitment to public goods.

The Optimism Collective leads the blockchain protocol landscape, dedicated to fostering a scalable and sustainable ecosystem. Optimism’s ethos, in sync with Ethereum's vision, tackles pivotal coordination challenges of the digital age. Optimism’s goal is to harmonize private incentives with public good, shaping a resilient future for the Internet. Optimism’s scope spans diverse areas like Gaming, DeFi, NFTs, and Enterprise.

Position Overview:

As a Security Engineer you will protect the OP Stack by proactively identifying vulnerabilities and threats through rigorous security assessments, threat modeling, design reviews, and code reviews. You'll collaborate closely with engineers across our stack to embed security best practices into every phase of development, from initial design through deployment and operations. By building and maintaining effective security tools, processes, and procedures, you'll improve our security posture to help safely and swiftly ship code.

We are an engineering company with an engineering culture and take security seriously. In this role you’ll have the support of the team and be empowered to do your best work.

What are the role responsibilities?

  • Perform comprehensive security assessments and threat modeling on various parts of the stack.

  • Develop secure coding standards, guidelines, and policies to ensure best practices are consistently followed.

  • Be a security leader. Educate and mentor engineers on security practices, fostering a culture of security across the organization.

What skills do you bring?

  • Expertise in identifying, understanding, and mitigating security vulnerabilities through threat modeling and security assessments.

  • Experience shipping safety-critical code in a fast-paced environment.

  • High agency. You will help identify gaps to determine security priorities, and proactively drive initiatives to address them across the organization.

  • Exceptional analytical, problem-solving, and communication skills, with the ability to clearly articulate security risks and solutions.


What will you like about us?

  • We take care of our employees. Competitive compensation, fully paid medical, dental, and vision, and a 4% 401K match—learn more about our benefits, culture, and all recruiting FAQ here.

  • We take pride in the accomplishments of our teammates and support each other in doing the best work of our careers.

  • Our team is a diverse group of people from varied backgrounds. We cherish our eclecticism and consider it a great strength.

  • We’re fully remote, deeply engaged, highly skilled, and like to have fun.

  • We think long-term. Our founders have been scaling Ethereum since 2015.

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What You Should Know About Secuirty Engineer, Critical Safety, OP Labs

At OP Labs, we're on a mission to revolutionize Ethereum and address some of the most pressing coordination challenges through innovative technology and values. As a Security Engineer specializing in Critical Safety, you will play a vital role in protecting our OP Stack by identifying vulnerabilities and threats through comprehensive security assessments and threat modeling. You will work hand-in-hand with our talented engineers, embedding security best practices throughout the development lifecycle, from the initial design stages all the way to deployment and operations. Your expertise will help us build and maintain robust security tools, processes, and procedures, ensuring we can safely and swiftly ship code. You will also have the opportunity to lead by example, mentoring your peers in security practices to foster a culture of safety across our organization. With our commitment to open-source innovation, you’ll be empowered to drive initiatives that enhance our security posture actively while enjoying the support from a dedicated team. Join us in our fully remote environment where we celebrate diverse backgrounds, prioritize employee well-being with competitive benefits, and aim to create the most elegant solutions for Ethereum's scalability issues. If you’re looking to make a significant impact and collaborate in a vibrant, forward-thinking culture, this is the place for you!

Frequently Asked Questions (FAQs) for Secuirty Engineer, Critical Safety Role at OP Labs
What are the key responsibilities of a Security Engineer at OP Labs?

As a Security Engineer at OP Labs, your key responsibilities include conducting comprehensive security assessments and threat modeling on the OP Stack, developing secure coding standards and guidelines, and educating engineers on security practices. Your role is instrumental in ensuring security best practices are integrated into every development phase.

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What qualifications are required for the Security Engineer role at OP Labs?

Candidates for the Security Engineer position at OP Labs should possess expertise in identifying and mitigating security vulnerabilities. Experience in shipping safety-critical code in a dynamic environment is essential, along with exceptional analytical and problem-solving skills to articulate risks and solutions effectively.

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How does OP Labs foster a culture of security among its engineers?

At OP Labs, fostering a culture of security is achieved by encouraging Security Engineers to lead and mentor their peers. This collaborative environment emphasizes continuous learning and the importance of embedding security best practices in every aspect of software development.

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What support will I receive as a Security Engineer at OP Labs?

As a Security Engineer at OP Labs, you will have the full support of a collaborative team dedicated to innovation and improvement. The empowering culture encourages you to take initiative in identifying security gaps and driving essential security initiatives.

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Is remote work available for the Security Engineer position at OP Labs?

Yes, the Security Engineer position at OP Labs is fully remote, allowing you to work from anywhere while being part of a diverse team that is deeply engaged and highly skilled. This flexibility helps promote a healthy work-life balance.

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Common Interview Questions for Secuirty Engineer, Critical Safety
Can you describe your experience with security assessments?

When answering this question, highlight specific projects where you conducted security assessments. Discuss the methodologies you employed, such as threat modeling and security reviews, and mention any tools or frameworks you used to identify and mitigate vulnerabilities.

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What steps do you take to ensure secure coding practices?

To effectively answer this question, outline your approach to developing secure coding standards and policies. Emphasize how you educate fellow engineers on these practices and provide examples of how you've implemented these standards in past projects.

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How do you prioritize security initiatives within a fast-paced environment?

Your answer should include how you assess security risks and determine priorities based on their potential impact. Discuss any experience you have with risk management frameworks and provide examples of initiatives you’ve successfully driven in previous roles.

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What tools do you find most effective for threat modeling?

In your response, mention specific tools you've used for threat modeling, like OWASP or STRIDE, and explain how they have contributed to your threat assessment processes. If applicable, describe a scenario in which these tools helped you identify vulnerabilities.

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How do you keep up-to-date with the latest security vulnerabilities and trends?

Discuss your commitment to continuous learning through various channels, such as attending conferences, following thought leaders in cybersecurity, and participating in online communities. Highlight any specific resources or publications you rely on for the latest information.

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Can you give an example of a security vulnerability you discovered and how you addressed it?

When discussing this example, ensure you describe the context, the vulnerability found, and the steps you took to resolve it. Explain the outcome and what you learned from the experience to demonstrate your problem-solving capabilities.

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How would you approach mentoring others on security best practices?

Your answer should highlight your belief in fostering a culture of security. Discuss specific strategies you would employ to mentor others, such as workshops, code reviews, or one-on-one sessions designed to empower other engineers in their security knowledge.

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What is your experience with incident response?

Provide a thorough account of your incident response experiences, including the types of incidents you’ve managed. Discuss your role in containing the incident, communicating with stakeholders, and implementing lessons learned to prevent future incidents.

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How do you balance security with development speed?

Explain your approach to integrating security measures without hindering the development process. Share examples of how you've maintained a balance between security and agility, possibly by embedding security checks in CI/CD pipelines or advocating secure coding from the project's onset.

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What do you believe is critical for a successful security practice within a development team?

Your response should emphasize the importance of collaboration, communication, and continuous education in a successful security practice. Discuss how engaging all team members in security from the start of projects leads to better outcomes and a more robust security culture.

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Full-time, remote
DATE POSTED
April 18, 2025

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