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← ON.energy

Senior Cybersecurity Engineer - OT/SCADA

ON.energy
Location
Houston, Texas, United States
Posted
26 days ago
Department
Information Technology
What they actually want (must-haves)
  • 5–8 years in technical cybersecurity or control systems engineering, primarily in OT/ICS environments
  • Proven experience securing SCADA and ICS in energy, utility, or heavy industrial settings
  • Working knowledge of IEC 62443, the Purdue Model, and NIST SP 800-82r3
  • Industrial networking skills, including the ability to read plant network drawings and analyze packet flows
  • Experience with centralized identity and directory services (Entra ID, AD/LDAPS, SSO)
  • Practical Linux and Windows administration skills
Nice to have
  • Experience with battery energy storage, solar, wind, or DER
  • NERC CIP program experience
  • Familiarity with MITRE ATT&CK for ICS and known ICS threat activity
  • Experience writing cybersecurity requirements into contracts and auditing compliance
  • Certifications such as GICSP, GRID, GCIP, ISA/IEC 62443 Cybersecurity Fundamentals Specialist or higher
What the job really is

The Senior OT/SCADA Cybersecurity Engineer will focus on securing industrial control systems within the energy sector, specifically for SCADA, site controllers, and other critical systems. This hands-on role involves operating OT security tools, defining security standards, and ensuring compliance with industry regulations. The engineer will also be responsible for incident response, monitoring, and the overall cybersecurity strategy for the company's grid-connected energy portfolio.

Benefits
  • Competitive salary + annual performance-based bonus eligibility
  • Medical, dental, and vision insurance
  • 401(k) with company match
  • Paid time off and company holidays
  • Professional development and growth opportunities
  • Opportunity to grow with a mission-driven team shaping the future of clean energy
Things to weigh
  • The role requires a strong field background in addition to centralized responsibilities, which may be challenging for candidates without hands-on experience in live plants.
  • The job involves significant responsibility for compliance and security standards, which may require navigating complex regulatory environments.
  • No specific salary range is provided in the posting.
Job score3.2/5
Benefits3/5
Freshness4/5
Career value4/5
Role clarity5/5
Pay transparency0/5

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