m

Senior Security Engineer - SecOps

mozilla · Posted 1 month ago

Full-time

Job Description

<div class="gmail_default" style="font-size: small;"> <div> <p><strong>Why Mozilla?</strong></p> <p><span style="font-weight: 400;">Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.&nbsp;</span></p> <p><span style="font-weight: 400;">The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute </span><strong>open-source</strong><span style="font-weight: 400;"> software that enables people to enjoy the internet on their terms.&nbsp;</span></p> <p><strong>About this team and role:</strong></p> <p><span style="font-weight: 400;">Mozilla is looking for an Incident Responder to monitor and mitigate attacks across Mozilla’s products and services. In this position, you will be a part of a flexible team responsible for handling security incidents. As such, you’ll need to have years of practical security experience and knowledge of the state of the art for detecting and responding to attacks. You’ll be someone Mozillians across the company depend on and trust to respond quickly and effectively in a crunch, with the outstanding communication and collaboration skills needed to work in partnership with diverse stakeholders. Most importantly, you will become a critical member of the team responsible for ensuring the integrity of Mozilla’s products and for keeping Mozilla’s users safe, within a company dedicated to building a more secure internet.</span></p> <strong>What you'll do:</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Identify and respond to security incidents on a global scale.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Act as an incident commander to drive incidents through the entire response lifecycle.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Design and maintain a portfolio of security alerts, automated actions, playbooks and escalation workflows in support of a high-performing 24/7 incident response capability.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Conduct threat hunting activities, anticipate future threats, and maintain forward-thinking strategies for tools/technology/processes that combat sophisticated threat actors.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Research threat intelligence reports, triage and manage resulting workflows.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Partner with key stakeholders and communicate effectively to maintain a continuously improving feedback loop of preparation, identification, analysis, containment, and post mortem activities.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Participate in on-call rotation.</span></li> </ul> <strong>What you'll bring:</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">5+ years of demonstrated ability managing security incidents at a global scale and/or experience working in Security Operations Centers (SOC), Product Security Incident Response Teams (PSIRT), and Computer Security Incident Response Teams (CSIRT).</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Expertise with security information and event management (SIEM) systems (eg. ELK, Google BigQuery, Splunk, etc.). Splunk proficiency is preferred.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Expertise with endpoint detection and investigation. Hands-on experience with leading EDR tools and demonstrated ability to leverage endpoint telemetry to find root cause.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Expertise with security orchestration and automation (SOAR) platforms such as Tines or Splunk SOAR.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Superb communication and leadership capacity; ability to partner effectively with diverse company stakeholders.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Real-world experience in software development and/or engineering operations for consumer products and services; B.S. in a technology-focused field is helpful.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Practical experience working with cloud technologies (eg. Google Cloud Platform, Amazon Web Services, Heroku, Microsoft Azure, etc.).</span></li> </ul> <strong>Competencies:</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Ownership and Accountability</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Autonomy</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">High Level of Integrity</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Clear Communication</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Creative Problem Solver</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Passionate about Security</span></li> </ul> <p><strong>What you’ll get:</strong></p> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Generous performance-based bonus plans to all eligible employees - we share in our success as one team</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Rich medical, dental, and vision coverage</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Quarterly all-company wellness days where everyone takes a pause together</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Country specific holidays plus a day off for your birthday</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">One-time home office stipend</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Annual professional development budget</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Quarterly well-being stipend</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Considerable paid parental leave</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Employee referral bonus program</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Other benefits (life/AD&amp;D, disability, EAP, etc. - varies by country)</span></li> </ul> <p><strong>About Mozilla&nbsp;</strong></p> <p>Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.</p> <p><strong>Commitment to diversity, equity, inclusion, and belonging</strong></p> <p>Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.&nbsp; We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientation<span style="color: #003366;">s, </span>gender identities, and expressions.</p> <p>We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at <a class="external-link" ---------- to request accommodation.</p> <p>We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.&nbsp; Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.</p> <p>Group: D</p> <p>#LI-REMOTE</p> <p>Req ID: R3224</p> </div> </div><div class="content-pay-transparency"><div class="pay-input"><div class="description"><p><strong>Hiring Ranges:</strong></p></div><div class="title">Remote UK</div><div class="pay-range"><span>£66,000</span><span class="divider">&mdash;</span><span>£87,000 GBP</span></div></div></div>

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Job Details

Type

Full-time

Posted

30 Sep 2026

Views

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