Platform Security Engineer

Glean is seeking a talented security-focused software engineer to join our growing team. In this role, you will play a critical role in developing and maintaining the security foundation of our platform. You will be responsible for designing, implementing, and testing security features across various software components.

You will:

• Design, develop, and maintain secure software for core platform functionalities, particularly focusing on:
• Authentication and authorization systems
• Secure communication channels between services (e.g., API security)
• Secure data storage and access controls
• Collaborate with cross-functional teams (engineering, product) to integrate security best practices throughout the development lifecycle.
• Stay up-to-date on the latest security threats, vulnerabilities, and mitigation strategies.
• Conduct security code reviews and identify potential security risks in existing codebases.
• Develop and implement automated security testing procedures.
• Respond to security incidents and participate in incident response procedures.
• Continuously improve the platform’s security posture by identifying and implementing security enhancements.
• Document security processes, procedures, and best practices., At Glean, AI fluency is core to how we work and we’re committed to ensuring every new hire feels confident integrating AI into their everyday work. As part of the interview process, you’ll complete a brief AI-focused exercise or discussion so we can understand how you think about, design, and use AI to drive impact in your role. Feel free to reference any tools, platforms, or workflows you use today - prior Glean experience isn’t required. Global Data Privacy Notice for Job Candidates and Applicants: Depending on your location, the General Data Protection Regulation (GDPR), California Consumer Privacy Act (CCPA), or other privacy laws may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available in our Privacy Policy. By submitting your application, you are agreeing to our use and processing of your data as required. US applicants and their applications are subject to arbitration of disputes as outlined in our Applicant Arbitration Agreement. By clicking “Submit Application,” I confirm that I have read the Global Data Privacy Notice and the Applicant Arbitration Agreement, and I agree to the terms.

• BA/BS in computer science, or related degree, MS a strong plus
• Minimum 5+ years of experience in software development with a strong focus on security aspects
• Proven experience in designing and implementing secure authentication and authorization systems
• In-depth understanding of secure coding principles and best practices (e.g., OWASP Top 10)
• Experience with secure communication protocols (e.g., TLS/SSL)
• Familiarity with security testing tools and methodologies (e.g., static code analysis, penetration testing)
• Excellent problem-solving and analytical skills
• Strong communication and collaboration skills
• Ability to work independently and as part of a cross-functional team
• Passion for security and a commitment to building secure and reliable systems

Key knowledge and skills

• Thrive in a customer-focused, tight-nit and cross-functional environment - being a team player and willing to take on whatever is most impactful for the company is a must.
• A proactive and positive attitude to lead, learn, troubleshoot and take ownership of both small tasks and large features.
• An interest/desire to learn and own various aspects of security.
• Strong coding skills (for example in Go/Python/Java/C++ etc) with an emphasis on designing for reliability and scale, and writing well-tested components.
• Experience with cloud security principles and tools (AWS Security, GCP Security)
• Experience with container security (Docker Security, Kubernetes Security)

The standard base salary range for this position is $185,000 - $260,000 annually. Compensation offered will be determined by factors such as location, level, job-related knowledge, skills, and experience. Certain roles may be eligible for variable compensation, equity, and benefits.

We offer a comprehensive benefits package including competitive compensation, Medical, Vision, and Dental coverage, generous time-off policy, and the opportunity to contribute to your 401k plan to support your long-term goals. When you join, you’ll receive a home office improvement stipend, as well as an annual education and wellness stipends to support your growth and wellbeing. We foster a vibrant company culture through regular events, and provide healthy lunches daily to keep you fueled and focused.

We are a diverse bunch of people and we want to continue to attract and retain a diverse range of people into our organization. We’re committed to an inclusive and diverse company. We do not discriminate based on gender, ethnicity, sexual orientation, religion, civil or family status, age, disability, or race., Select… LinkedIn Profile* Do you know anyone currently at Glean?* Are you willing and able to commit to the hybrid policy if hired?* Select…

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Glean is the Work AI platform that helps everyone work smarter with AI. What began as the industry’s most advanced enterprise search has evolved into a full-scale Work AI ecosystem, powering intelligent Search, an AI Assistant, and scalable AI agents on one secure, open platform. With over 100 enterprise SaaS connectors, flexible LLM choice, and robust APIs, Glean gives organizations the infrastructure to govern, scale, and customize AI across their entire business - without vendor lock-in or costly implementation cycles. At its core, Glean is redefining how enterprises find, use, and act on knowledge. Its Enterprise Graph and Personal Knowledge Graph map the relationships between people, content, and activity, delivering deeply personalized, context-aware responses for every employee. This foundation powers Glean’s agentic capabilities - AI agents that automate real work across teams by accessing the industry’s broadest range of data: enterprise and world, structured and unstructured, historical and real-time. The result: measurable business impact through faster onboarding, hours of productivity gained each week, and smarter, safer decisions at every level. Recognized by Fast Company as one of the World’s Most Innovative Companies (Top 10, 2025), by CNBC’s Disruptor 50, Bloomberg’s AI Startups to Watch (2026), Forbes AI 50, and Gartner’s Tech Innovators in Agentic AI, Glean continues to accelerate its global impact. With customers across 50+ industries and 1,000+ employees in more than 25 countries, we’re helping the world’s largest organizations make every employee AI-fluent, and turning the superintelligent enterprise from concept into reality. If you’re excited to shape how the world works, you’ll help build systems used daily across Microsoft Teams, Zoom, ServiceNow, Zendesk, GitHub, and many more - deeply embedded where people get things done. You’ll ship agentic capabilities on an open, extensible stack, with the craft and care required for enterprise trust, as we bring Work AI to every employee, in every company.