Demo

Operational Technology Security Engineer

Isoftech Inc
Fort Belvoir, VA Full Time
POSTED ON 4/15/2026
AVAILABLE BEFORE 5/14/2026

Active DOD Secret Clearance and eligibility for IT-II Non-Critical Sensitive (Tier 3).

Position Overview:

The Operational Technology (OT) Security Engineer is responsible for safeguarding and maintaining the cybersecurity posture of the client critical OT environments. This includes supporting industrial control systems (ICS), SCADA, DCS, PLCs, and other specialized systems essential to mission operations. The engineer integrates cybersecurity best practices, coordinates risk assessments, responds to incidents, and ensures strict adherence to DOD and federal cybersecurity standards.

 

Minimum Qualifications:

  • Seven (7) years of OT or ICS cybersecurity experience.
  • Practical experience with OT protocols (ModbTCP, EtherNet/IP, IEC 61850, DNP3, BACnet, etc.).
  • Experience with SCADA, ICS, DCS, PLCs, HMIs, RTUs, field devices.
  • In-depth knowledge of secure OT network architectures and monitoring technologies.
  • Ability to develop and execute OT incident response and risk management strategies.
  • Experience conducting compliance reviews, remediation, and vulnerability assessments.
  • Skilled in deploying and using OT security monitoring tools.
  • Understanding of DoD cybersecurity requirements, STIGs, and regulatory frameworks for OT.
  • Strong communication skills; able to produce concise documentation and brief senior leaders.
  • Proficiency with Microsoft Excel, Access, Power BI, Power Platform, and leading OT/ICS scanning or management tools (ACAS, Nessus, Qualys, Forescout, EyeInspect).

Salary.com Estimation for Operational Technology Security Engineer in Fort Belvoir, VA
$133,019 to $158,475
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