Founded in 2011, Toyota Tsusho Systems US, Inc. (TTS-US) is a Toyota group company, that develops IT solutions wherever global businesses operate. Transforming into a technology and mobility company, TTS-US with it's 8 TTS affiliates worldwide is establishing a secure and resilient Toyota global value chain. The creative capacity to forge such limitless business opportunities is one of the strengths of Toyota Tsusho Systems.
Summary
We are seeking a CTI Analyst to strengthen our ability to identify, understand, and respond to cyber threats. This individual-contributor role combines hands-on cyber threat intelligence (CTI) operations, deep malware, and tactics, techniques, and procedures (TTP) research. You will work alongside CTI team members to deliver reliable operational coverage and actionable intelligence that supports hunting, detection, incident response, and defensive decisions.
What You’ll Be Doing
CTI Operations
Participate in CTI operational coverage model alongside other CTI team members.
Support recurring intelligence monitoring, alert review, requests for information (RFIs), advisories, incident-response requests, active hunts, and other operational CTI needs.
Document operational findings and translate them into useful intelligence, hunting, detection, or defensive actions.
Malware and TTP Research
Research malware, threat actors, campaigns, infrastructure, attack techniques, and emerging threats relevant to the org.
Produce actionable research reports, advisories, threat profiles, indicators, MITRE ATT&CK mappings, hunting hypotheses, queries, detection recommendations, and defensive guidance.
Prioritize research that addresses real-world threats, observed activity, operational gaps, or agreed strategic priorities.
Present significant findings to the team and relevant stakeholders in a clear and usable form.
Maintain a high standard of technical rigor, source validation, analytic accuracy, and documentation.
Engineering and Tooling
Develop, improve, and maintain tools and automation that directly support CTI operations and malware or TTP research.
Prioritize engineering work that closes operational or research gaps and improves analytic quality, efficiency, or resilience.
Validate and document tools and workflows so other CTI team members can use, maintain, and support them.
Requirements
Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or equivalent experience · Minimum of 3-5 years of hands-on experience in cyber threat intelligence, including operational intelligence support and technical threat research.
Strong malware analysis skills, including static and behavioral analysis, and the ability to explain attacker techniques and their defensive implications.
Experience researching threat actors, campaigns, and infrastructure; validating sources; and distinguishing observed facts from analytic assessments.
Ability to translate research into actionable intelligence, ATT&CK mappings, hunting queries, detection recommendations, and defensive guidance.
Proficiency in scripting or programming to develop and maintain tools and automation for intelligence operations and research.
Experience supporting incident response and threat hunting through timely, relevant intelligence.
Strong documentation and communication skills, with the ability to present technical findings to varied stakeholders.
Ability to manage assigned work independently, communicate status and blockers, and share recurring operational responsibilities within a team.
Preferred or Bonus Skills
Experience supporting CTI in large enterprise, automotive, or manufacturing environments.
Experience with malware reverse engineering, threat infrastructure analysis, or detection engineering.
Familiarity with threat intelligence platforms, security data sources, APIs, and automation workflows.
Experience improving shared research methods, operational procedures, and tool maintainability.
Why Join Us
Help strengthen defenses through intelligence and research that inform practical security actions.
Combine hands-on CTI operations and deep technical research in an individual-contributor role.
Collaborate with experienced peers, share findings, and improve the team’s collective capabilities.
Toyota Tsusho Systems US, Inc. (TTS-US) is a Toyota group company founded in 2011 that develops IT solutions for global businesses. Operating as part of a network of 8 TTS affiliates worldwide, the company specializes in cybersecurity and technology services, including Security Operations Center (SOC) capabilities, threat detection and response, and incident management. TTS-US is focused on transforming into a technology and mobility company while establishing a secure and resilient Toyota global value chain. The company serves both internal and external clients with 24x7 monitoring and detection services.
