Staff Enterprise Security Engineer, AI Security

ID: 9492

Type: Full-time

Category: Others

Company Name: Segment

Location: Ireland

Education Level: Senior (5-10 years)

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Job Description

Who we are

At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences.

Our dedication to remote-first work, and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands.

We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions!

See yourself at Twilio

Join the team as Twilio’s next Staff Enterprise Security Engineer (AI Security)

About the job

As a Staff Enterprise Security Engineer, you will be a technical leader within the EntSec team, responsible for the foundational security posture of our organization. You will serve as an SME on the technical strategy and engineering execution for securing the AI ecosystem in our Enterprise, moving beyond policy into building the foundational "decision infrastructure" and technical guardrails that allow the enterprise to innovate with AI at scale.

You will also guide strategic direction and collaboration across enterprise security domains. You will need a background in security engineering and the cross-functional influence necessary to solve ambiguous, large-scale problems. Leveraging expertise in security assessments, threat modeling, identity and access control principles, and data protection, you will architect and build preventative guardrails and mitigate new risks introduced by first and third-party AI agents in our Enterprise.

Responsibilities

In this role, you’ll:

Design and implement secure reference architectures for Enterprise AI platforms that secures every Twilion’s engagement with them, ensuring data integrity, regulatory compliance, and resilience against evolving AI threats.
Establish a definitive framework for AI vetting, driving the cultural and policy shifts needed to institutionalize this strategic mindset across the organization.
Collaborate with cross functional partners to develop and set the long term roadmap for agentic AI identity and posture management, ensuring cohesive strategies for reducing risk from agentic AI use.
Maintain and improve our enterprise security posture through high-quality code (Python, Go, or similar) and automated infrastructure management via IAC.
Act as a technical mentor to junior engineers and a strategic advisor to leadership on the evolving AI landscape.

Qualifications

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

Required:

7+ years of experience in security engineering or infrastructure security
2+ years of experience leading teams in a technical capacity or leading technical risk analysis in an enterprise environment.
Expertise in cloud security (AWS, GCP) and container security (Kubernetes).
Proven track record of designing and deploying complex security systems at scale.
Strong proficiency in programming languages such as Python, Go, or Java.

Desired:

Experience in building, deploying and reviewing automation for complex security workflows, including use of both AI-driven and traditional automation tools.
Excellent communication skills with the ability to explain complex AI security risks to non-technical stakeholders.

Location

This role will be remote, and based in Ireland

Travel

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Twilio thinks big. Do you?

We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values — something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts.

So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions.

Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.

Company Information

Company Name: Segment

Company Website: https://segment.com

Company Address: San Francisco, CA, USA

Segment (often referred to as Twilio Segment following its acquisition by Twilio) is a software company that develops and operates a customer data infrastructure platform designed to help organizations collect, unify, and route customer data from digital products into analytics, marketing, and operations tools. Positioned as a customer data platform (CDP) and data collection layer, Segment provides a cloud-based service and developer-friendly tooling that centralizes event and customer profile data from websites, mobile apps, servers, and cloud services so teams can build analytics, personalization, and marketing workflows without managing bespoke pipelines. Company overview Segment’s core proposition is to simplify how businesses gather and use first-party customer data. The platform removes the need for engineering teams to maintain multiple fragmented integrations by providing a single instrumentation layer (client and server SDKs) that captures events and user traits once and then forwards that same canonical data to a broad catalog of downstream analytics, marketing, data warehouse, and customer engagement systems. Segment is designed for product, analytics, and marketing teams as well as engineering organizations that require reliable, consistent customer datasets for measurement, experimentation, personalization, and operational use cases. Core business activities Segment’s principal activities center on cloud software-as-a-service (SaaS) offerings for data collection, identity resolution, data transformation, and data delivery/activation. The company maintains and evolves libraries and SDKs for web, mobile, and server platforms that standardize event tracking and user identification. Segment operates a managed routing and processing service that validates, enriches, and forwards event streams and customer profile information to destination tools or central warehouses. In addition to streaming integration capabilities, Segment provides features for data governance, schema enforcement, and quality controls to help teams maintain consistent tracking plans and avoid data loss or duplication. Segment also integrates with major cloud data warehouses and analytics platforms enabling organizations to combine event streams with broader enterprise data. Main products and services Segment’s offering is commonly described in terms of a few main functional components: Sources, Destinations, and Personas, together with developer tooling and governance features. - Sources and SDKs: Segment provides client and server SDKs and APIs that capture events and user attributes from websites, mobile applications, backend services, and other systems. These sources standardize and normalize incoming telemetry into a unified event stream. - Destinations/Connections: Once data is collected, Segment’s routing infrastructure can deliver the same structured event and profile data to a wide range of third-party destinations including analytics tools, advertising platforms, CRM systems, experimentation platforms, and marketing automation products. This reduces duplicate instrumentation and accelerates time-to-value for new integrations. - Personas (Customer Profiles and Activation): Segment Personas is the product-layer that builds unified user profiles and supports identity resolution, audience building, and activation. Personas enables teams to merge identifiers across devices and channels into cohesive customer profiles that can be used for personalization, targeted messaging, and analytics. - Data Warehousing and Warehouse Sync: Segment offers integrations that stream or batch customer event data to major cloud data warehouses so organizations can run advanced analytics, data science, and BI on customer interaction data. It also supports patterns for reverse ETL and operationalizing warehouse-resident insights. - Data Governance, Tracking Plans, and Protocols: Segment provides tools for schema governance, validation, and tracking plan enforcement to help engineering and analytics teams maintain data quality and consistency across instruments and destinations. Integrations, developer focus, and use cases A distinguishing element of Segment’s platform is its broad catalog of plug-and-play integrations and a developer-first approach. The platform is intended to eliminate repeated engineering effort by enabling product and analytics teams to add new downstream tools without re-instrumenting. Typical use cases include product analytics, customer analytics, marketing activation and personalization, attribution, experimentation, customer support tooling, and data warehousing for cross-functional analysis. Segment’s customers range from startups to large enterprises that need reliable customer data infrastructure to power measurement, personalization, and automated engagement. Operational, privacy, and compliance features Segment emphasizes operational reliability and data governance capabilities, offering features that help customers manage data quality, privacy, and compliance. The platform includes controls for data filtering and forwarding, support for consent and opt-out flows, and tooling intended to help customers meet regulatory requirements such as GDPR and CCPA through selective routing and data minimization patterns. Segment’s managed service model means the company operates the ingestion and routing infrastructure while providing APIs and configuration controls to the customer. Corporate context and acquisition Segment was founded to address the complexity of customer data collection and integration across modern digital applications. In October 2020 Twilio announced the acquisition of Segment; since then the Segment product line has been offered as part of Twilio’s portfolio (often referred to in market materials as Twilio Segment). Under Twilio, Segment continues to be developed as a CDP and data infrastructure product that complements Twilio’s communications and engagement services. Positioning and industry Segment is commonly categorized within the customer data platform (CDP) and digital analytics infrastructure market segments. Its target buyers include digital product teams, analytics teams, marketing operations, and engineering groups that require a centralized, consistent stream of customer and event data to power analytics, personalization, and cross-system activations. The company’s developer-oriented SDKs, broad integration catalog, and emphasis on data governance are central to its messaging and adoption among technical and cross-functional teams.

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