Security Engineer II

Akuna Capital - Chicago, IL

Full-time - Mid Level

Chicago, IL

Professional, Scientific, and Technical Services

About the position

Akuna Capital is an innovative trading firm with a strong focus on collaboration, cutting-edge technology, data driven solutions, and automation. We specialize in providing liquidity as an options market-maker - meaning we are committed to providing competitive quotes to both buy and sell options to other market participants. To do this successfully, we design and implement our own low latency technologies, trading strategies, and mathematical models. Our Founding Partners first conceptualized Akuna in their hometown of Sydney. They opened the firm's first office in 2011 in the heart of the derivatives industry and the options capital of the world - Chicago. Today, Akuna is proud to operate from additional offices in Sydney, Shanghai, and London. As a Security Engineer II at Akuna, you will safeguard our systems, data, and assets against evolving cyber threats by proactively hunting vulnerabilities and threats, automating security workflows, and driving effective incident response efforts. By focusing on preventing, detecting, disrupting, investigating, responding to, and recovering from potential cyber risks, you will play a key role in strengthening and advancing our security posture.

Responsibilities

• Perform analysis of security incidents and threat actors utilizing the MITRE ATT&CK framework to enhance detection capabilities
• Investigate and respond to security incidents reported by the Managed Security Service Provider (MSSP), security controls, and end users, while developing effective triage processes to ensure prompt and thorough incident handling
• Assist in managing enterprise security infrastructure, including Intrusion Detection/Prevention Systems, SIEM, EDR, Web Filtering, MFA, and Email Security
• Develop threat hunting activities by analyzing anomalous log data, intelligence, and conducting brainstorming sessions to detect and eliminate potential adversaries in our network
• Leverage APIs across enterprise technology, SaaS/IaaS/PaaS and business applications to create new sources of telemetry signals for threat Detection and Response
• Engineer orchestration and automation to streamline the incident analysis and response process
• Engineer war-gaming and tabletop activities as part of red/blue team exercises to strengthen and test incident response playbooks, evaluating and improving the firm's incident response capabilities
• Conduct vulnerability management assessments, recommend remediation actions, and collaborate with system owners to ensure timely patching
• Collaborate with Managed Security Service Provider (MSSP) to implement threat detection rules and event correlation using SIEM platforms to identify malicious, suspicious, and anomalous activities
• Collaborate with different departments within the firm to identify security monitoring blind spots and opportunities for threat detection
• Provide support in implementing and maintaining the information security infrastructure ensuring its effective operation and ongoing maintenance
• Educate users on security best practices and implement initiatives to promote cybersecurity awareness and risk reduction, including conducting training sessions and developing user-friendly documentation

Requirements

• Minimum of 4 years' experience in a cyber defense or security engineering role
• Demonstrated track record of protecting and defending enterprise systems, data, and infrastructure
• Demonstrated passion for cybersecurity
• Strong foundational knowledge of security operations, cyber defense, enterprise security, threat intelligence, and incident response
• Deep understanding of security technologies and best practices
• Proficiency with security controls, firewalls, IDS/IPS, SIEM, DLP, encryption, MFA architectures, O365 architecture, Active Directory, SSO, system hardening, and enterprise security principles
• Hands-on experience with automation and orchestration tools (e.g., Splunk Phantom, Cortex XSOAR, tines, torq)
• Experience using vulnerability scanning tools and overseeing remediation processes to address identified weaknesses
• Familiarity with SaaS, IaaS, and PaaS environments, along with provider-specific security controls and best practices
• Ability to review logs from diverse platforms and environments, detect indicators of compromise, and investigate potential threats
• In-depth understanding of multiple operating systems (Linux/Unix, Windows, Mac)
• Demonstrated proficiency in scripting languages such as PowerShell or Python
• Working knowledge of TCP/IP, UDP, DHCP, FTP, SFTP, SNMP, SMTP, SSH, SSL, VPN, RDP, HTTP, and HTTPS
• Exposure to Next-Gen AV, Endpoint Security, and CASB DLP solutions
• Excellent interpersonal skills to work effectively with cross-functional teams, leadership, and stakeholders
• Capable of producing clear policies, standards, and procedural documents that enhance organizational security and guide best practices
• Awareness of standards such as NIST, CIS and the ability to apply them to ensure compliance within the firm's policy

Benefits

• Discretionary performance bonus
• Comprehensive health insurance
• 401(k) plan with company matching
• Flexible working hours
• Professional development opportunities