Software Engineer II, AI Security

Summary/Objectives Tanium is seeking a Software Engineer II to help build a new AI Security solution that enables the world's largest enterprises to secure AI agents and the endpoints they run on. In this full-stack role with a strong emphasis on backend engineering, you will design and develop high-scale, distributed systems that give customers visibility into and control over agentic AI across their environments. The ideal candidate brings a deep understanding of building reliable, performant services at scale, a strong foundation in security principles, and hands-on familiarity with the technologies that power AI agents and agent harnesses, such as LLM integrations, tool-calling frameworks, and the Model Context Protocol. This is an opportunity to shape a product at the forefront of AI security and make a significant impact at a company dedicated to transforming how organizations manage and secure their technology environments. Essential Job Functions - Contribute to the design and development of high-scale, distributed backend systems that give customers visibility into and control over agentic AI across their environments - Build services and integrations using LLM APIs, tool-calling frameworks, and the Model Context Protocol (MCP), and design retrieval (RAG) and data pipelines that support AI-driven capabilities - Use AI coding assistants and agent tooling effectively in day-to-day development, and review, refactor, and debug AI-generated code with sound judgment - Build and maintain Tanium's products alongside an agile development team - Design, develop and test new product ideas from the ground up while working with product management for feedback and input - Work on small teams that tackle big challenges in common components like a common data service tasked with unifying and consolidating endpoint data across the entire ecosystem, handling time series data that drive dashboarding and reporting, and exposing data externally through GraphQL enabling partners (like Salesforce) to easily integrate - Delivering higher level services enabled by our core services that directly enable our products and focus on everything from security to operations to auditing Minimum & Preferred Job Qualifications - Education - Bachelor's degree in Computer Science or a related field preferred, or equivalent experience - Experience - 3+ years of industry software engineering experience - Experience designing and building high-impact, high-performance, scalable, observable, and maintainable backend services and APIs - Experience building and shipping AI-powered products or agents at scale, including LLM integrations and tool-calling - Hands-on experience building a Model Context Protocol (MCP) server or integration that ran in a production environment - Experience building retrieval-augmented generation (RAG) and the data pipelines that support it - Experience building backend services and enterprise web applications that serve large user bases (for example, millions of users) - Knowledge of at least one of Golang (preferred), Node.js, Python, Ruby, or Rust - Experience with React, Typescript, Javascript, and other front-end technologies and frameworks - Ability to work with relational databases such as Postgres, SQL, or MySQL - Experience with HTTP API design and development - Experience with modern software engineering and automation tools such as Git and Jenkins - Preferred: Foundation in security principles, such as secure design, authentication and authorization, and threat modeling - Other - Demonstrates sound judgment for balancing between rapid development, long-term code maintainability and supportability - Believes in the power of and the need for writing automated tests as part of development - Experienced debugger who can put out fires under pressure when things go wrong in production environments - Has knowledge of a variety of modern software frameworks (server side & browser side) and the versatility to learn new tools - Ability to prompt AI coding tools effectively and to read, understand, refactor, and debug the resulting code, regardless of language About Tanium Tanium is the Autonomous IT company. As Al accelerates both innovation and risk, Tanium Atlas, the company's autonomous operating system, puts the full depth of the Tanium Autonomous IT Platform behind every IT and security operator - human and agentic. Tanium provides the real-time intelligence, agentic decision-making, and autonomous execution operators needed to detect, decide, and remediate at machine speed across their endpoint estate. The company is recognized as a Leader in the inaugural 2026 Gartner® Magic Quadrant™ for Endpoint Management Tools, as a Leader in the IDC MarketScape: Worldwide Client Endpoint Management Software for Windows Device Management 2025-2026 Vendor Assessment, and as a Leader in The Forrester Wave™. Endpoint Management Platforms, Q2 2026. To learn how Tanium delivers Autonomous IT for unstoppable business, visit www.tanium.com and follow us on LinkedIn and X. On a mission. Together. At Tanium, we are stewards of a culture that emphasizes the importance of collaboration, respect, and diversity. In our pursuit of revolutionizing the way some of the largest enterprises and governments in the world solve their most difficult IT challenges, we are strengthened by our unique perspectives and by our collective actions. As a global organization with stakeholders around the world, it’s imperative that the diversity of our customers and communities is reflected internally in our team members. We strive to create a diverse and inclusive environment where everyone feels they have opportunities to succeed and grow because we know that only together can we do great things. Our commitment to excellence and innovation has earned us a place on the Forbes Cloud 100 list for ten consecutive years, and we continue to be recognized worldwide as a great place to work. Each of our team members has 5 days set aside as volunteer time off (VTO) to contribute to the communities they live in and give back to the causes they care about most. What you’ll get The annual base salary range for this full-time position is $154,000 to $236,000 This range is an estimate for what Tanium will pay a new hire. The actual annual base salary offered may be adjusted based on a variety of factors, including but not limited to, location, education, skills, training, and experience. In addition to an annual base salary, team members will receive equity awards and a generous benefits package consisting of medical, dental and vision plan, family planning benefits, health savings account, flexible spending account, transportation savings account, 401(k) retirement savings plan with company match, life, accident and disability coverage, business travel accident insurance, employee assistance programs, disability insurance, and other well-being benefits. Tanium is an Equal Opportunity and Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, gender identity, sexual orientation, disability, protected Veteran status, or other legally protected categories. If you require a reasonable accommodation in searching for a job opening, completing an application, interviewing, or completing any pre-employment testing or requirements, please contact accommodations@tanium.com. For more information refer to the “Know Your Rights” poster which is available here - https://www.eeoc.gov/poster. Please be aware of job offers coming from people claiming to be Tanium employees. Tanium employees will only use @tanium.com email addresses to communicate with you, will have video interviews with you, and will never ask you for money. 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