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Sr. IT Security Engineer

Date:  Jan 5, 2022

Milwaukee, WI, US, 53214

Req ID:  22059
Onsite or Remote:  Partial Remote Position

Komatsu is an indispensable partner to the construction, mining, forestry, forklift, and industrial machinery markets, maximizing value for customers through innovative solutions. With a diverse line of products supported by our advanced IoT technologies, regional distribution channels, and a global service network, we tap into the power of data and technology to enhance safety and productivity while optimizing performance. Komatsu supports a myriad of markets, including housing, infrastructure, water, pipeline, minerals, automobile, aerospace, electronics and medical, through its many brands and subsidiaries, including Joy, P&H, Montabert, Modular Mining Systems, Hensley Industries, NTC, and Gigaphoton.

Job Overview

We have an exciting opportunity for a Sr. IT Security Engineer to join our global IT team. This position can be located at our headquarters in Milwaukee, WI or Chicago, IL (near O’Hare).  In this role you will perform evaluations, design, development, deployment, and testing of technologies required for security visibility across the environment. 

Key Job Responsibilities


  • Create and fine-tune security events for use case with MDR.
  • Develop security requirements, guidelines, documentation, processes, procedures and best practices.
  • Review applicable security support models and identifies opportunities for continued process improvement.
  • Participate in on-call rotation for escalations for our MDR.
  • Participate in security assessments of existing and new infrastructure technologies and make recommendations based on referenced architecture, security best practices, and/or baseline configurations to enhance security and reduce risk, where applicable
  • Investigate and resolve cyber security incidents and events.
  • Partnership with vendors and technical teams for integration and implementation of technology required for monitoring and incident response.
  • Collaborate with various teams to strengthen key security controls, mitigating current threats and proactively monitoring.



  • Bachelor’s Degree in Computer Science, Information Systems, other related fields.
  • 7+ years of experience in infrastructure or security architecture/engineering/operations.
  • Strong understanding of security fundamentals and general security technologies (not limited to SIEM, Firewalls, IPS/IDS, Secure gateways, insightIDR, DefenderATP)
  • Experience with system (Windows, Linux, etc.) architecture, best practices, security principles, and/or operations.
  • Experience with network (LAN, WAN, Wi-Fi) architecture, best practices, security principles, and/or operations. Cisco Security appliances (NGFW), Palo Alto, F5. Cisco ISE
  • Experience with cloud (Amazon AWS, Microsoft Azures, Google GCP) architecture, best practices, security principles, and/or operations.
  • Experience with one or more scripting (PowerShell, Bash, Perl, etc.) and/or programming languages (Python, C#, Java, Ruby, etc.)
  • Experience “threat hunting”, using threat intelligence to proactively investigate potential risks and finding suspicious behavior in the network.

Additional Information

Komatsu is an Equal Opportunity Workplace and an Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.

Nearest Major Market: Milwaukee

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