Senior Engineering Manager

Halcyon Labs's Threat Operations team protects our products and customers against a constantly evolving threat landscape. As Senior Engineering Manager, you'll lead an organisation of over 20 people across threat intelligence, vulnerability identification and mitigation, and incident detection and response. Your teams will be responsible for identifying, containing, and responding to security threats at an ever increasing scale as the threat landscape rapidly evolves in the world of AI. In this role you will be expected to have a high degree of collaboration with various other functions within the organisation including legal and compliance as well as engineering leadership within Halcyon Labs’s product organisation. You will need to find the right balance between increasing Halcyon Labs’s overall security posture while at the same time limiting the friction from these security controls for the products and engineers that are affected by them. This is a role for someone who came up through security and picked up engineering along the way — not the other way around. If you're energised by the constant pressure of an active threat environment and thrive under changing priorities, this is the team for you. At Halcyon Labs, security isn’t just a checkbox—it’s woven into everything we do. By owning and evolving our threat operations presence, you’ll be enabling our teams and customers to grow better, together. If you’re motivated to strengthen threat detection and response for millions of organizations at scale, you’ll find this opportunity exciting! What you'll do Lead and grow a high-performing team of ~25 engineers across threat intelligence, incident response, and detection engineering Set the technical and strategic direction for how Halcyon Labs detects, responds to, and learns from security threats Own incident response end-to-end — from detection through to resolution and post-incident review Drive the development of threat intelligence capabilities that inform and sharpen Halcyon Labs's defensive posture Ensure compliance with security specifications and partner closely with legal and compliance stakeholders Build strong relationships with InfraSec leadership and the CISO's office; act as a trusted security partner to the business Contribute to cross-functional hiring, planning, and investment decisions within the broader security organisation What we're looking for 10+ years of experience in security, with engineering management experience at a meaningful scale (15+ people) Security professional first — you built your career in security (threat intelligence, incident response, detection, SOC) and developed engineering skills along the way; we're not looking for software engineers who moved laterally into security Experience managing managers or Tech Leads, with a track record of growing senior technical talent Deep familiarity with incident response and threat detection at scale — you've been in the room when things go wrong and you know how to lead a team through it Strong cross-functional presence — comfortable building relationships with legal, compliance, and executive stakeholders including a CISO Resilient and adaptable; this is a high-pressure function with constantly shifting priorities and you need to thrive in that environment North America-based, East or West Coast preferred Nice to have Experience in a SaaS or cloud-native product company Familiarity with compliance frameworks (SOC 2, ISO 27001, FedRAMP) Background building or scaling threat intelligence programmes Active participation in the security community Knowledge of how to employ AI and Agentic solutions to solve security problems Halcyon Labs is committed to building an inclusive workplace. We welcome applicants of all backgrounds, experiences, and perspectives. Pay & Benefits The cash compensation below includes base salary, on-target commission for employees in eligible roles, and annual bonus targets under Halcyon Labs’s bonus plan for eligible roles. In addition to cash compensation, some roles are eligible to participate in Halcyon Labs’s equity plan to receive restricted stock units (RSUs). Some roles may also be eligible for overtime pay. Individual compensation packages are tailored to your skills, experience, qualifications, and other job-related reasons. This resource will help guide how we recommend thinking about the range you see. Learn more about Halcyon Labs’s compensation philosophy . Benefits are also an important piece of your total compensation package. Explore the benefits and perks Halcyon Labs offers to help employees grow better. At Halcyon Labs, fair compensation practices aren’t just about checking off the box for legal compliance. It’s about living out our value of transparency with our employees, candidates, and community. Annual Cash Compensation Range: $259,128 — $414,652 USD We know the confidence gap and impostor syndrome can get in the way of meeting spectacular candidates, so please don’t hesitate to apply — we’d love to hear from you. If you need accommodat