Sr. Detection Engineer

Location: Chicago, Illinois, United States of America; flex/hybrid

Salary: $130,900–$169,400 base salary annually, plus possible annual incentive compensation and long-term equity participation.

Company

hirify.global provides financial market infrastructure, tradable products, and trading, clearing, and investment solutions for market participants worldwide.

What you will do

• Write, tune, and maintain production detection logic across SIEM, EDR, identity, and cloud platforms.
• Validate detections by executing targeted attacker techniques and confirming reliable alerts and benign-activity behavior.
• Build adversary-simulation tooling, reusable validation packages, automated regression tests, and coverage reporting.
• Operate sandbox and detonation infrastructure for exploit triage, malware analysis, and safe technique development.
• Evaluate exploit code, produce threat-hunting validation content, and translate findings into detection and remediation guidance.
• Support complex incident investigations and apply AI and LLM tooling to triage, enrichment, exploit analysis, and detection development.

Requirements

• 5+ years of hands-on security engineering experience with substantial detection-authoring experience.
• Strong command of KQL, Sigma, YARA-L, or an equivalent detection query language.
• Practical knowledge of attacker techniques across Windows, Active Directory, Entra ID, AWS, Azure, SaaS, and containerized workloads.
• Fluency in at least one tooling language such as Python, Go, C#, PowerShell, or Bash.
• Experience with Windows event logs, EDR telemetry, cloud audit logs, identity sign-in data, virtualization, containers, infrastructure-as-code, and CI/CD.
• Must be legally authorized to work in the United States without current or future employer sponsorship.

Nice to have

• Public detection content, tooling, or security research.
• Atomic testing frameworks, continuous control validation, MITRE ATT&CK coverage analysis, or reverse engineering.
• AI engineering experience involving agentic workflows, tool and MCP integration, or LLM-application abuse testing.
• Experience in regulated or large enterprise environments, especially financial services.
• Mentoring experience or a record of creating internal training materials.

Culture & Benefits

• Flexible hybrid work environment with an emphasis on professional and personal development.
• Health, dental, vision, telemedicine, and mental health benefits.
• Paid vacation, personal days, sick days, community service days, parental leave, and fertility benefits.
• 2:1 401(k) match up to an immediate 8% match, employee stock purchase plan, and tax savings accounts.
• Tuition assistance, education opportunities, charitable giving match, wellness facilities, and office meals and refreshments.