At GrayMatter, we uncover the industrial intelligence buried in clipboards, legacy systems, and human memory. We discover it, transform it, and turn it into insight. From the drill press to the boardroom, we help you think smarter and do better—by listening to the machines you already trust.
And that’s where you come in.
GrayMatter is dedicated to creating a team of unmatched talent in industrial technology. Our organizational culture encourages opportunities to learn and collaborate. Six core values make Team GrayMatter stand above the rest: Bias to Action, Batteries Included, Unbounded Curiosity, Everybody Wins, Built to Last, Actionable Insight.
Location: This role is hybrid with the expectation of frequent, independent, local travel (up to 50%) to clients and project sites in Colorado and possibly nationwide.
General Job Duties: Execute cybersecurity risk and vulnerability assessments for customers utilizing an industry leading methodology
Design, consult, and provide recommendations for securing IT and OT networks and systems.
Troubleshooting of advanced cyber-security solutions to resolve customer issues
Consult with clients to holistically solve networking and security challenges
Develop solutions internally and through partners to solve identified security challenges
Work with solution architects to develop project scopes for solving client challenges
Knowledge, Skills and Experience Needed: Bachelor 's degree in a technical discipline (Electrical/Computer Engineering, Information Science, Computer Science) OR a minimum of 8 years of experience working in the field.
Must possess a broad knowledge related to IT infrastructures




Expert networking skills including the ability to troubleshoot all layers of OSI model
Familiarity and understanding of standards and frameworks such as ISA 62243, IEC 27001, NIST SP 800, NIST CSF, and/or NERC CIP
Fundamental understanding of operational technologies such as Programmable Logic Controllers (PLCs), Supervisory Control and Data Acquisition (SCADA) software, RTUs, HMI and Distributed Control Systems (DCS)
Fundamental understanding of the Purdue Reference Model for Industrial Control System (ICS) cybersecurity
Fundamental understanding of industrial protocols and interoperability; CIP, DNP3, Ethernet/IP, OPC-UA, MODBUS, MQTT, Modbus
Industrial Control Systems (ICS) / Operational Technology (OT) experience is a plus
Our Ideal Candidate: Enjoys solving problems, researching solutions, and thinking outside the box
Is comfortable talking tech with a CTO or explaining cyber-security 101 to the sales department
Embraces teamwork, collaboration, brainstorming, an working together towards common goals
Can balance competing demands and manage multiple priorities with ease
Advocates for our clients with a solid commitment to customer service and follow-through
The target annual base compensation for this position is $115,000-$135,000, based upon relevant qualifications.
Featured Advantages: Medical, dental, and vision insurance beginning day one of employment
Employer paid short term disability and life insurance
401(k) with up to 4% company match
Paid holidays, paid time off, and paid parental leave
Additional benefits available such as long-term disability, accident, critical illness, hospital indemnity, EAP, telemedicine, HSA and FSA

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📌 OT Field Cybersecurity Engineer II (Ontario)
🏢 GrayMatter Systems
📍 Ontario