The opportunity
Justworks is looking for an experienced security engineer skilled in detection and response, who can help enhance and mature Justworks’ Security. As a Senior Detection Engineer, you’ll design, build, and maintain the detection logic that powers our platform, conduct proactive…
What you'll do
Build, tune, and deploy high‑quality detections across our platform
Develop and refine detections using telemetry from EDR, threat intel,: endpoint & cloud posture platforms and native AWS cloud services
Conduct proactive threat hunting to uncover threat actor behaviors and detection gaps
Lead security event & incident handling, including triage, investigation,: containment guidance, and post‑incident improvements
Build automation and tooling to reduce manual effort and improve detection accuracy
Drive process improvements across detection engineering, incident response, and telemetry workflows
What they're looking for
- + years of hands-on experience in detection engineering, threat hunting,: security event analysis, and incident response
- Strong understanding of attacker behaviors, malware techniques, and modern threat landscapes
- Hands‑on experience with EDR platforms (event analysis, detections, hunting)
- Proficiency with AWS security and logging services (CloudTrail, GuardDuty, IAM, VPC Flow Logs, Lambda, etc.)
- Experience designing and conducting attack & defend (table‑top) exercises
- Demonstrated ability to improve processes, reduce friction, and automate repetitive tasks
- Interest in how AI/ML can enhance detection, hunting, and response workflows
- Strong communication skills and comfort working cross‑functionally in a fast‑paced environment
