Senior Security Engineer - Fintech Threat Hunter & IR Lead

Supernova Companies; Chicago, Northern (IL, KY); Hybrid; USD 110,000 - 140,000; Full time

Benefits offered by this job

Medical, Dental, Vision Insurance

HSA and FSA Accounts

Life and Disability Insurance

401(k) with employer contributions

Employee Assistance Program

Job summary

Supernova Technology is seeking a highly skilled Senior Security Engineer to protect our financial technology platform and enterprise environment. This senior individual-contributor will own threat hunting, detection engineering, incident response, and security infrastructure across AWS, identity, network, and endpoints.

You will lead complex security projects, operate independently, and collaborate with engineering, IT, and legal teams to strengthen controls and continuously improve security

Qualifications

• 5+ years in security engineering, threat hunting, detection engineering, or related roles.
• Proven ability to lead complex security projects end-to-end.
• Hands-on experience with enterprise security platforms (SIEM, EDR/XDR, firewalls, IDS/IPS, WAF, vulnerability management, email/identity security).
• Strong knowledge of attacker TTPs, IR processes, and MITRE ATT&CK.
• Scripting/automation with Python, PowerShell, Bash, REST APIs.
• Excellent communication with technical and non-technical audiences.
• Fintech or regulated tech experience preferred.
• Familiarity with CrowdStrike, Microsoft Defender, Splunk, Rapid7, Palo Alto, Fortinet, Cisco, Cloudflare.
• AWS security services and container security experience preferred.

Responsibilities

• Run hypothesis-driven and intelligence-led threat hunts across endpoint, network, identity, cloud, email, application, and SaaS telemetry.
• Turn threat intel into hunt hypotheses and detection logic; build SIEM queries, correlation rules, dashboards, and alerts aligned to MITRE ATT&CK.
• Convert hunt findings and incident lessons into durable detections, playbooks, and improve telemetry quality.
• Lead vulnerability management, including identification, prioritization, remediation, and verification.
• Build scripts, integrations, and automated workflows to improve visibility and reduce manual effort.

Skills

Security engineering

Threat hunting

Detection engineering

Incident response

Scripting

Tools

CrowdStrike

Microsoft Defender

Splunk

Rapid7

Palo Alto

Fortinet

Cisco

Cloudflare

AWS Security

Job description

Supernova Technology is seeking a highly skilled Senior Security Engineer to protect our financial technology platform and enterprise environment. This senior individual-contributor will own threat hunting, detection engineering, incident response, and security infrastructure across AWS, identity, network, and endpoints.

You will lead complex security projects, operate independently, and collaborate with engineering, IT, and legal teams to strengthen controls and continuously improve security