Investigator Jobs

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career. About the team Abuse Operations is the front-line incident response and remediation function handling active product abuse and fraud impacting Stripe and its merchants. This multi-disciplinary group, spanning Incident Managers, Investigators, Forward Deployed Security Engineers, and Data Scientists, neutralizes active attacks, gathers requirements for operational tooling, and leads incidents. The team works directly with impacted merchants to resolve technical incidents and policy abuse rapidly. Operating primarily across Eastern, Pacific and Western European time zones, these team members regularly coordinate with global stakeholders across the world. What you’ll do You'll play a critical role in safeguarding our financial ecosystem by investigating high-risk accounts and identifying complex patterns of fraud during incidents. You will lead incident response for product abuse and fraud events, conducting deep-dive analyses to identify root causes. By collaborating cross-functionally, you will drive improvements that enhance our fraud detection and prevention strategies at scale. Your expertise will be essential in automating response processes through agentic approaches, allowing us to safeguard merchants and neutralize threats with speed and precision. Responsibilities Investigate, mitigate, and remediate urgent fraud incidents (e.g., ATO, card testing), utilizing FT3-mapped detection and signals enrichment to reduce uncertainty and accelerate resp

Investigator, Special Investigations Unit (Meritain Health) — 49 Locations. Apply via Workday.

Investigator 2, Security — 2 Locations. Apply via Workday.

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Reporting into the Manager of Global Investigations, the Investigator of Global Investigations will support all lines of business related to investigations (e.g. Platform Fraud, Community Safety, Law Enforcement Liaison & Partnerships, Insurance Fraud and Executive Protection & Risk Assessment). This role will efficiently and effectively build strong and meaningful relationships with internal business partners, law enforcement agencies, and other third parties to bring successful case resolution. This role regularly interacts with State/County/Local Law Enforcement in developing comprehensive and detailed cases pertaining to organized offenders and provides expertise to and gains buy-in from Law Enforcement Agencies to assist in the safe apprehension of these offenders. Responsibilities: Work in close partnership with the Manager of Global Investigations and Head of Global Security to set strategic objectives, drive accountability, and ensure successful delivery of key performance metrics Assist in the design and build of the global law enforcement outreach program, in order to regularly liaise and develop strategic relationships with law enforcement agencies Proactively maintain effective working relationships with law enforcement and government authorities Collaborate and build strong relationships with internal cross-functional partners, including Privacy/Identity/Integrity (PII), Risk, Community Safety, Legal, Public Policy, and other Operations teams and leaders across Lyft Plan and execute educational programs for law enforcement authorities on our business and challenges with external theft and loss Learn and develop a deep understanding of the businesses and activities related to Platform Fraud, Community Safety, Law Enforcement, Liaison & Partnerships, Insurance Fraud and Executi

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. About the team Abuse Operations is the front-line incident response and remediation function handling active product abuse and fraud impacting Stripe and its merchants. This multi-disciplinary group, spanning Incident Managers, Investigators, Forward Deployed Security Engineers, and Data Scientists, neutralizes active attacks, gathers requirements for operational tooling, and leads incidents. The team works directly with impacted merchants to resolve technical incidents and policy abuse rapidly. Operating primarily across Eastern, Pacific and Western European time zones, these team members regularly coordinate with global stakeholders across the world. What you’ll do You'll play a critical role in safeguarding our financial ecosystem by investigating high-risk accounts and identifying complex patterns of fraud during incidents. You will lead incident response for product abuse and fraud events, conducting deep-dive analyses to identify root causes. By collaborating cross-functionally, you will drive improvements that enhance our fraud detection and prevention strategies at scale. Your expertise will be essential in automating response processes through agentic approaches, allowing us to safeguard merchants and neutralize threats with speed and precision. Responsibilities Investigate, mitigate, and remediate urgent fraud incidents (e.g., ATO, card testing), utilizing FT3-mapped detection and signals enrichment to reduce uncertainty and accelerate

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. About the team Abuse Operations is the front-line incident response and remediation function handling active product abuse and fraud impacting Stripe and its merchants. This multi-disciplinary group, spanning Incident Managers, Investigators, Forward Deployed Security Engineers, and Data Scientists, neutralizes active attacks, gathers requirements for operational tooling, and leads incidents. The team works directly with impacted merchants to resolve technical incidents and policy abuse rapidly. Operating primarily across Eastern, Pacific and Western European time zones, these team members regularly coordinate with global stakeholders across the world. What you’ll do You'll play a critical role in safeguarding our financial ecosystem by investigating high-risk accounts and identifying complex patterns of fraud during incidents. You will lead incident response for product abuse and fraud events, conducting deep-dive analyses to identify root causes. By collaborating cross-functionally, you will drive improvements that enhance our fraud detection and prevention strategies at scale. Your expertise will be essential in automating response processes through agentic approaches, allowing us to safeguard merchants and neutralize threats with speed and precision. Responsibilities Investigate, mitigate, and remediate urgent fraud incidents (e.g., ATO, card testing), utilizing FT3-mapped detection and signals enrichment to reduce uncertainty and accelerate

Discord has a highly engaged community of millions of daily active users who use the platform for many different reasons, but there’s one thing that nearly everyone does: play video games. Discord plays a uniquely important role in the future of gaming, and we are focused on making it easier and more fun for people to hang out before, during, and after playing games. Discord's mission is to give people the power to create space to find belonging in their lives, and every day millions of people trust Discord to be a place where they can talk, hang out, and build community. Keeping that space safe starts with teams like ours. Discord's Violent Actors Team, part of the broader Threat Operations org within Trust & Safety, focuses on identifying and disrupting violent and extremist networks and threat actors. As a Threat Investigator, you'll lead investigations into these communities, identify novel detection mechanisms, and develop enforcement strategies to stay ahead of ongoing and emerging threats. A typical day might include conducting deep-dive network investigations, compiling high-value signals to fuel proactive detection, or collaborating with internal and external partners on incident response. This role requires the ability to flex across a range of harm portfolios as team priorities evolve. This person will report to the team's Senior Manager. What You'll Be Doing Leading complex investigations into violent extremist and threat actor networks, developing and iterating on detection and disruption strategies across your investigative portfolio Executing on roadmap projects, including cross-functional coordination with policy, engineering, and ML/AI teams, documentation of behavioral trends, and identification of scalable mitigation strategies Leveraging investigative signals and subject matter expertise to inform threat prioritization decisions Identifying emergence of novel harm behaviors, and gaps in Discord's detection, policy, and enforcement capabilitie

Behavioral Health Senior Investigator (BCBA), Special Investigations Unit (Aetna SIU) — CT - Hartford. Apply via Workday.

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Threat Investigator on the Safety Investigations team, you will help lead Roblox’s deep-dive investigative capability for the most severe, complex, and externally significant safety matters. You will conduct actor-centric and network-centric investigations, proactively identify sophisticated threat actors and abuse patterns, and develop high-quality investigative work product that supports internal decision-making and, where appropriate, external law-enforcement engagement. The ideal candidate will have an exceptional investigations background, strong analytical tradecraft, and a demonstrated ability to connect fragmented internal and external signals into clear, defensible investigative findings. They will be an innovative self-starter, a collaborative partner across functions, and someone motivated by Roblox’s mission of connecting a billion people with optimism and civility. Through your work, you will become an expert in Roblox’s internal and external safety practices, advance our investigative capabilities and playbooks, and work across a variety of systems and data sources to surface, analyze, and ultimately disrupt high-risk actors, networks, and behaviors. Please note: T

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. About the team The mission of Fraud Operations is to act as guardians of the global financial ecosystem by proactively reducing fraud, making it difficult and unprofitable for fraudsters to carry out attacks through Stripe. Fraud Ops is responsible for developing and maintaining scalable processes related to fraud analysis, card testing, account takeover, and financial partner investigation requests. We strive to improve manual fraud decisioning and enhance support experiences for users impacted by fraud decisions, all while enabling healthy growth for the business. What you'll do As a Payments Fraud Investigator, you will play a critical role in safeguarding our financial ecosystem by investigating high-risk accounts and identifying various forms of fraud. You will conduct deep-dive analyses of merchant accounts, lead cross-functional projects, and collaborate with stakeholders to enhance our fraud detection and prevention strategies at scale. Your expertise in fraud patterns and typologies will be essential in developing and enhancing investigative processes and programs. Responsibilities • Analyze high-risk accounts to identify fraudulent merchants, card testing, account takeovers, and other fraud vectors. • Lead root cause analyses to identify gaps in current systems, policies, and strategies, and determine enhancements and process improvements to address emerging fraud risks through collaboration with key stakeholders. • Drive cross-functional project

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. About the team The mission of Fraud Operations is to act as guardians of the global financial ecosystem by proactively reducing fraud, making it difficult and unprofitable for fraudsters to carry out attacks through Stripe. Fraud Ops is responsible for developing and maintaining scalable processes related to fraud analysis, card testing, account takeover, and financial partner investigation requests. We strive to improve manual fraud decisioning and enhance support experiences for users impacted by fraud decisions, all while enabling healthy growth for the business. What you'll do As a Payments Fraud Investigator, you'll play a critical role in safeguarding our financial ecosystem by investigating high-risk accounts and identifying various forms of fraud. You'll conduct deep-dive analyses of merchant accounts, lead cross-functional projects, and collaborate with stakeholders to enhance our fraud detection and prevention strategies at scale. Your expertise in fraud patterns and typologies is essential in developing and enhancing investigative processes and programs. Responsibilities Analyze high-risk accounts to identify fraudulent merchants, card testing, account takeovers, and other fraud vectors Lead root cause analyses to identify gaps in current systems, policies, and strategies, and determine enhancements and process improvements to address emerging fraud risks through collaboration with key stakeholders Drive cross-functional projects aimed at refini

About the Team Security is at the foundation of OpenAI’s mission to ensure that artificial general intelligence benefits all of humanity. The Security team protects OpenAI’s technology, people, and products. We are technical in what we build but are operational in how we do our work, and are committed to supporting all products and research at OpenAI. Our Security team tenets include: prioritizing for impact, enabling researchers, preparing for future transformative technologies, and engaging a robust security culture. About the Role OpenAI is seeking to build an investigative capability for Secure Manufacturing & Stealth programs. The risk surface for unreleased products, prototypes, confidential hardware, infrastructure, supply chain, manufacturing, and launch-readiness efforts spans employees, vendors, suppliers, logistics partners, physical movement of assets, procurement records, manufacturing workflows, access systems, device telemetry, and adversarial collection. This role is intended to build and run investigations across that specialized environment. In this role, you will: Lead complex SMS investigations to proactively identify and mitigate risks to unreleased products, prototypes, confidential hardware, secure manufacturing programs, and launch-readiness efforts. Investigate unauthorized disclosure, suspected leaks, insider risk, supplier compromise, vendor misconduct, theft, diversion, tampering, counterfeiting, surveillance, adversarial collection, and suspicious activity involving sensitive programs. Connect digital evidence, physical access activity, supply chain records, manufacturing data, vendor behavior, employee activity, collaboration metadata, procurement records, shipping data, and OSINT into clear findings and risk-reduction actions. Conduct proactive threat hunting to surface early indicators of compromise, collection, leakage, or insider activity affecting sensitive programs. Develop investigative playbooks, evidence-handling standards,

About the Team Security is at the foundation of OpenAI’s mission to ensure that artificial general intelligence benefits all of humanity. The Threat Intelligence team protects OpenAI’s technology, people, research, and infrastructure by proactively identifying and disrupting adversaries who seek to compromise our systems or misuse our models. We investigate sophisticated threats, build tooling to scale and augment analysis, and deliver intelligence that shapes security strategy and equips leadership with timely, risk-aware insights. We combine technical depth, investigative rigor, and strong cross-functional partnerships to uncover threats and drive impact across OpenAI’s security and research organizations. About the Role As a Technical Threat Investigator at OpenAI, you will help protect the company from sophisticated adversaries targeting OpenAI and the broader ecosystem, as well as those attempting to misuse our models in support of cyber operations. This is a deeply investigative role. You will independently conduct complex, end-to-end investigations into capable threat actors to understand their behavior, infrastructure, emerging techniques, and how AI is integrated into their workflows. You’ll use these insights to proactively identify malicious activity and drive detection, disruption, enforcement, and safety improvements across the company. You’ll translate your investigative findings into durable solutions that scale impact. You’ll build and own lightweight tooling, automate where it matters, and create AI-assisted workflows to make investigations faster, more repeatable, and more effective over time. In this role, you will: Conduct deep, end-to-end investigations into sophisticated threat actors interacting with OpenAI’s models, products, and broader ecosystem. Think like an adversary — model attacker behavior, anticipate misuse patterns, and proactively hunt for, identify, and disrupt malicious activity. Leverage internal telemetry, OSINT, vendor data, a

About the Team Security is at the foundation of OpenAI’s mission to ensure that artificial general intelligence benefits all of humanity. The Threat Intelligence team protects OpenAI’s technology, people, research, and infrastructure by proactively identifying and disrupting adversaries who seek to compromise our systems or misuse our models. We investigate sophisticated threats, build tooling to scale and augment analysis, and deliver intelligence that shapes security strategy and equips leadership with timely, risk-aware insights. We combine technical depth, investigative rigor, and strong cross-functional partnerships to uncover threats and drive impact across OpenAI’s security and research organizations. About the Role As a Technical Threat Investigator at OpenAI, you will help protect the company from sophisticated adversaries targeting OpenAI and the broader ecosystem, as well as those attempting to misuse our models in support of cyber operations. This is a deeply investigative role. You will independently conduct complex, end-to-end investigations into capable threat actors to understand their behavior, infrastructure, emerging techniques, and how AI is integrated into their workflows. You’ll use these insights to proactively identify malicious activity and drive detection, disruption, enforcement, and safety improvements across the company. You’ll translate your investigative findings into durable solutions that scale impact. You’ll build and own lightweight tooling, automate where it matters, and create AI-assisted workflows to make investigations faster, more repeatable, and more effective over time. In this role, you will: Conduct deep, end-to-end investigations into sophisticated threat actors interacting with OpenAI’s models, products, and broader ecosystem. Think like an adversary — model attacker behavior, anticipate misuse patterns, and proactively hunt for, identify, and disrupt malicious activity. Leverage internal telemetry, OSINT, vendor data, a

About the role We are building a higher education researcher motion that helps funded labs adopt OpenAI across core research workflows. This role will develop relationships with principal investigators, researchers, research software engineers, research computing teams, and university technology leaders, then translate high-value use cases into sustained Pro, Codex, API, and ChatGPT Edu usage. This is a hybrid business development and program management role. You will identify and qualify priority labs, design phased access and fellows programs, run pilots, remove technical and institutional blockers, and create repeatable paths from individual researchers to lab- and institution-level adoption. Additionally, this role will launch and manage a community of researchers with events, communications and support. In this role, you will: Build a pipeline of funded labs, research centers, and technical champions at priority R1 universities; qualify opportunities based on workflow value, funding path, influence, and expansion potential. Run discovery with researchers and university stakeholders to understand workflows, data and security needs, procurement constraints, and success criteria. Design and operate phased access and fellows programs, including eligibility, selection, offer mechanics, onboarding, office hours, community programming, and pilot goals. Translate research workflows into effective use of Pro, Codex, API, and ChatGPT Edu in partnership with Solutions, Product, and Education account teams. Manage pilots end to end, remove trust, funding, and technical blockers, and drive measurable activation, retention, and expansion. Turn early usage into product feedback, workflow documentation, peer proof, case studies, and repeatable enablement. Build clear handoffs and expansion paths from researcher to lab to institution; track fellow selection, activation, retained usage, workflow proof, conversion, and expansion. You might thrive in this role if you: Relevant exp