Staff Insider Risk Engineer

Innovate with purpose At BILL, we believe in empowering the businesses that drive our economy. By replacing outdated financial processes with innovative tools, we help businesses—from startups to established brands—make smarter decisions and gain control of their operations. And we don’t stop there: we’re creating the future of financial automation so businesses can spend more time on what matters. Working here means you become part of a vision-driven team that’s ready to tackle challenges and build cutting-edge solutions. We value purpose, drive, and curiosity—and we thrive in a fast-paced, ever-changing environment. Whether in one of our offices in San Jose, CA, Draper, UT, or in a remote-eligible role, BILLders collaborate to deliver real impact for businesses that need more time in their busy weeks. BILL builds high performing teams and we seek to hire the best talent for every role. We're committed to building a workplace that fosters inclusion and diverse perspectives, valuing each person’s unique skills and experiences. We’d love to hear from you—you might be just what we’re looking for, whether in this role or another. ✨ Let’s give businesses more time for what matters. Make your impact within a rapidly growing Fintech Company BILL is looking to hire a Staff Insider Risk Engineer to join the Security Operations Center to support the insider risk and digital forensics functions. Protecting the company's data, systems, and employees is mission-critical to maintaining the trust of our customers and partners. The Insider Risk role sits at the intersection of security operations, digital forensics, and cross-functional partnership with People, Legal, and Safety and Security teams, directly shaping how BILL identifies, investigates, and remediates insider threats. You’ll combine investigative tradecraft, behavioral analysis, technical telemetry, and AI-assisted workflows to rapidly assess risk and drive informed security decisions. Detection Engineering & Alert Fidelity Optimization: Design, build, and continuously refine insider threat detection logic, use cases, and analytics to improve signal quality. Leverage AI to accelerate investigations, validate findings, and improve decision-making. Identify opportunities to automate repetitive work and improve investigative workflows. Alert Triage and Investigation: Triage and investigate insider threat alerts, applying structured methodologies to assess risk and using forensics to complete thorough analyses. Translate investigation outcomes into control improvements. Detection Strategy & Use Case Development: Develop and implement a scalable detection strategy aligned to key insider threat risks (i.e., data exfiltration, employee exit risk, misuse). Identify gaps and prioritize new detection use cases to expand coverage and effectiveness Cross-Functional Partnership: Partner with InfoSec, IT, Legal, and HR teams to ensure detections are risk-aligned, context-aware, and operationally actionable. Incorporate business context and investigation requirements into detection design to improve alert fidelity and response effectiveness. Security Operations Collaboration: Provide support during high-risk security incidents where forensics and related skills are required. Responsibilities Conduct investigations into suspected insider threats, including data exfiltration, policy violations, and risky behavior Triage and validate alerts from the insider risk management program, determining severity and appropriate escalation path in line with the tiered risk framework Partner with the HR, Legal, and Privacy on remediation of confirmed insider incidents, including participation in employee interviews and documentation of findings Maintain chain-of-custody documentation and adhere to established digital forensics standards to preserve evidentiary integrity for all investigations Author clear, defensible investigation reports and file timelines that support HR and Legal decision-making on disci…