Operational Technology Security Engineer

DirectViz Solutions, LLC is a rapidly growing government contractor focused on delivering innovative IT solutions for government clients. They are seeking an Operational Technology Security Engineer to secure complex industrial control system environments and ensure compliance with DoD cybersecurity standards.

Responsibilities:

• Support and secure complex OT/ICS environments, including SCADA, DCS, PLCs, HMIs, RTUs, and field devices
• Implement and maintain secure OT architectures, including network segmentation, firewalls, IDS/IPS, and secure remote access
• Apply cybersecurity frameworks such as NIST CSF, ISA/IEC 62443, and NERC CIP in alignment with DoD requirements
• Prepare systems and environments for cybersecurity inspections through development and maintenance of compliance artifacts
• Conduct vulnerability assessments and risk analyses across OT and IT systems, recommending risk-based mitigations
• Manage POA&M lifecycle, tracking remediation efforts through closure
• Deploy and tune OT security monitoring, anomaly detection, and threat intelligence capabilities
• Develop automated workflows for vulnerability remediation, compliance reporting, and analytics
• Generate audit-ready reports, metrics, and trend analysis for technical teams and leadership
• Support vendor and supply chain risk management and align IT/OT cybersecurity policies and controls

Requirements:

• 7+ years of OT cybersecurity experience supporting complex ICS/OT environments
• Hands-on experience with industrial protocols (e.g., Modbus/TCP, EtherNet/IP, IEC 61850, ICCP, DNP3, BACnet)
• Strong understanding of OT security tools and technologies (e.g., ACAS, Nessus, Qualys, Forescout, EyeInspect)
• Experience with DoD cybersecurity requirements including STIGs, IAVMs, POA&Ms, and compliance processes
• Proven ability to support cybersecurity inspections and maintain compliance documentation
• Strong analytical, problem-solving, and communication skills, including ability to brief senior leadership
• Ability to work independently and in team environments with minimal oversight
• Active DoD Secret clearance required
• DoD 8570 IAT Level II certification required
• ICS/OT cybersecurity certification (e.g., ICS 300 or equivalent) required
• Forescout certification required
• Maintain focus and awareness throughout scheduled working hours
• Perform tasks requiring prolonged periods of sitting or standing at a desk, utilizing a computer, mouse, and keyboard
• Lift and move objects weighing up to 15 pounds as needed
• Exhibit excellent verbal and written communication skills, with a strong command of the English language
• Demonstrate the ability to work independently while also collaborating effectively as part of a team
• Quickly learn and retain routine tasks and processes
• Possess strong organizational skills, attention to detail, business correspondence proficiency, and self-management capabilities
• Perform the essential functions of the role satisfactorily; reasonable accommodation will be provided for employees with disabilities upon request
• Accept and adapt to additional responsibilities or changes to assigned duties as determined by DirectViz Solutions (DVS)