Security Engineer II

Akuna Capital is a proprietary trading firm specializing in options market making.

Chicago, USA
About Akuna Capital

Akuna Capital is a global proprietary trading firm headquartered in Chicago, with offices in London, Sydney, Shanghai, and Singapore. The firm provides liquidity as an options market maker across global financial markets, covering products including commodities, indexes, and cryptocurrencies. Akuna designs and develops its own low-latency trading systems, mathematical models, strategies, and infrastructure through its Technology, Trading, Quant, and Operations departments. It also offers an Options 101 course introducing industry fundamentals and options trading concepts.

View jobs by Akuna Capital

Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

The Security Engineer II will safeguard systems, data, and assets by improving prevention, detection, investigation, response, and recovery from cyber threats. The role focuses on security infrastructure, threat hunting, incident response, vulnerability management, automation, and AI security.

Requirements

  • 3–5 years of experience in cybersecurity, security engineering, or cyber defense.
  • Experience with SIEM, EDR, firewalls, IDS/IPS, vulnerability management, identity and access management, and Microsoft 365 security.
  • Experience investigating security events through log analysis and incident response.
  • Understanding of vulnerability identification, prioritization, remediation, and validation.
  • Experience securing cloud environments and SaaS platforms.
  • Working knowledge of Windows, Linux, and macOS security.
  • Experience writing PowerShell, Python, or similar scripts.
  • Strong understanding of TCP/IP, DNS, HTTP/S, VPNs, and enterprise network security.
  • Experience with endpoint protection technologies.
  • Strong communication and documentation skills.
  • Experience with SOAR platforms.
  • Knowledge of NIST Cybersecurity Framework, CIS Controls, MITRE ATT&CK, or ISO 27001.
  • Experience using AI and LLM tools for security operations.
  • Awareness of AI security risks and responsible AI practices.

Responsibilities

  • Analyze security incidents and threat actors using the MITRE ATT&CK framework.
  • Investigate and respond to security incidents and develop effective triage processes.
  • Manage enterprise security infrastructure including IDS/IPS, SIEM, EDR, MFA, and email security.
  • Develop threat hunting activities using anomalous log data and intelligence.
  • Create telemetry signals for threat detection and response using APIs.
  • Engineer incident analysis and response automation.
  • Conduct war-gaming and tabletop activities to strengthen incident response capabilities.
  • Conduct vulnerability assessments and recommend remediation actions.
  • Implement threat detection rules and event correlation using SIEM platforms.
  • Identify security monitoring blind spots and opportunities for threat detection.
  • Maintain information security infrastructure.
  • Educate users on security best practices and promote cybersecurity awareness.

Benefits

  • Employer-paid medical insurance
  • Dental insurance
  • Vision insurance
  • Retirement contributions
  • Paid time off
  • Discretionary performance bonus