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OT Security Engineer

Arlington, TX

Posted: 04/08/2026 Industry: Engineering - Software & Systems Job Number: 6842

Job Description


OT Security Engineer

Type: Contract
Location: Arlington, TX
Work Setting: Onsite

We are seeking an experienced OT Security Engineer to support cybersecurity initiatives across industrial and operational technology environments. This role focuses on improving asset visibility, monitoring, and security controls across SCADA, PLCs, and related systems.
This is a hands-on position working at the intersection of OT and cybersecurity operations, including platform deployment, threat detection, and system integration.


Key Responsibilities

  • Secure and support SCADA systems, PLCs, and OT environments

  • Analyze OT protocols (Modbus, DNP3, BACnet, OPC) and assist with IT/OT network segmentation

  • Deploy and manage OT security platforms (Armis, Claroty, Nozomi, Dragos, etc.)

  • Perform asset discovery, risk analysis, and alerting configuration

  • Integrate OT telemetry into MDR/SOC workflows

  • Support Active Directory integration and access controls in OT environments

  • Assist with incident response, documentation, and knowledge transfer


Required Qualifications

  • 5+ years of experience in cybersecurity, OT, or ICS environments

  • Hands-on experience with SCADA, PLCs, and industrial protocols

  • Experience with OT security platforms (Armis or similar)

  • Background integrating tools with SOC/MDR environments

  • Strong Active Directory experience

  • Understanding of IT/OT segmentation and security risks


Preferred Qualifications

  • Experience in utilities or critical infrastructure

  • Familiarity with NIST CSF or CIS Controls

  • OT-focused certifications (GICSP, CISSP, GCIA)

Meet Your Recruiter

Jack Simone
Associate Technical Recruiter

Jack Simone plays a vital role on CornerStone’s Technology Talent Services team, bringing over two years of hands-on technical recruiting experience. Specializing in areas like QA engineering and AWS cloud engineering, Jack has developed a strong track record of connecting exceptional IT professionals with roles that align with their skills and career aspirations.

Jack’s approach is rooted in building meaningful, long-term relationships with both clients and candidates. He takes pride in understanding the unique goals of each professional he works with, ensuring that his placements not only meet the immediate needs of businesses but also contribute to their long-term growth and innovation. His expertise and passion for technology and talent make him an invaluable asset to the CornerStone team.

When he’s not helping businesses achieve their hiring goals, Jack is an avid sports enthusiast who enjoys following Huskers football, watching NFL games, staying active, and exploring the vibrant DFW area with friends and family.

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About Arlington, TX

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