Security Engineer

Teamwork makes the stream work. Keystone AI is changing how the world watches TV Keystone AI is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Keystone AI pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers. From your first day at Keystone AI, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About the Team The Keystone AI trust engineering team is a close-knit group of professionals passionate about information security. Our mission is to protect our customers, partners, devices, services, infrastructure, and data. We work collaboratively, sharing insights and expertise to stay ahead of the curve. Join us, and you’ll be part of a dynamic team that thrives on challenges and celebrates victories together. About the Role As a Security Engineer on the Trust engineering team, you will support the design, implementation, and management of Keystone AI’s end-to-end security systems and controls that impact a global user base. Key responsibilities will include supporting the development of security controls, managing and maintaining SIEM/SOAR tooling and threat intelligence platforms, conducting technical incident response, managing vulnerability and risk assessments, and mentoring more junior analysts. You will collaborate with teams within Trust engineering and across the wider organization to support, develop, and influence strong security practices and postures. What you will be doing Trust Information Security Operations, s upporting the design and implementation of information security systems and frameworks, including threat prevention, detection and mitigation tools Manage, maintain and optimize security information and event management (SIEM) platforms and associated security infrastructure Detect and respond to information security incidents, investigate security incidents, identify attack vectors, and lead containment/eradication/recovery efforts Create detailed incident reports, lead post-incident reviews, document lessons learned, and contribute to compliance reporting Threat Hunting & Proactive Measures: Hunt for undetected threats, tune security tools, refine detection rules, and address false positives Vulnerability management, analysis, oversee the vulnerability management lifecycle and reporting, support prioritization and advise relevant stakeholders on vulnerability status and postures Security controls, identify risks in new and existing projects and environments and support the implementation of necessary security controls to meet business needs Support the implementation of security orchestration, automation and response (SOAR) playbooks and procedures in order to improve response times and ensure a consistent approach to incidents Provide mentorship and support to more junior analysts, and act as an escalation point for complex issues Support in testing and evaluation of security products and solutions Support the development and management of the security operations centre (SOC) function as it is built up and developed into the future Raise awareness of security policies and best practices across the organization. And continue to contribute to the ongoing development of best practices, procedures and security training across the organization We are excited if you have Strong understanding of SIEM, EDR, cloud security services (e.g., AWS GuardDuty), and various security technologies Experience in automation and development of automated playbooks and associated processes in security orchestration, automation and response (SOAR) environments Experience in the creation of incident response plans and leading incident response efforts, and post-incident reporting when required Threat intelligence, knowledge of tactics, techniques, and procedures (TTPs) utilized by threat actors and how to generate and deploy mitigation strategies Vulnerability management, monitoring, reporting and engagement with necessary stakeholders to ensure timely remediation Can demonstrate a strong understanding of network security principles and encryption technologies Experience with security change management processes and procedures Demonstrate experience of risk assessment and advisory capabilities on both internal systems and products/solutions from third-party vendors (SaaS, AI, etc) Experience in contributing to the development, implementation and management of security policies and procedures Strong knowledge of security frameworks and industry best practices – such as ISO 270001, NIST, PCI-DSS and others Strong analytical and problem-solving capabilities Demonstrate experience of effective communication and collaborative skills to work across diverse cross-functional teams, including development, IT, Legal, Governance and Risk, etc. Demonstrate experience in mentoring and the development of more junior staff members with an engineering and SOC environment #LI-DH2 What's Keystone AI's approach to hybrid working? Keystone AI fosters an inclusive and collaborative environment where teams generally work in the office Monday through Thursday. Fridays are generally flexible for remote work, except for employees whose specific roles or assigned office location require five days' a week attendance. What are some of the benefits? Keystone AI is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Employees are supported in taking time off, in accordance with local leave policies and other personal needs to support their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. Accommodations Keystone AI welcomes applicants of all backgrounds and provides reasonable accommodations and adjustments in accordance with applicable law. If you require reasonable accommodation at any point in the hiring process, please direct your inquiries to EmployeeRelations@Keystone AI.com . What should I know about Keystone AI's culture? Keystone AI is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Keystone AI you'll be part of a company that's changing how the world watches TV. We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002. To learn more about Keystone AI, our global footprint, and how we've grown, visit https://www.weareroku.com/factsheet . By providing your information, you acknowledge that you want Keystone AI to contact you about job roles, that you have read Keystone AI's Applicant Privacy Notice , and understand that Keystone AI will use your information as described in that notice. If you do not wish to receive any communications from Keystone AI regarding this role or similar roles in the future, you may unsubscribe at any time by emailing WorkforcePrivacy@Keystone AI.com .