Operational Technology Security Engineer

DirectViz Solutions, LLC

2d•Remote

About The Position

DirectViz Solutions (DVS) is a dynamic and rapidly growing government contractor committed to delivering innovative IT solutions that address the mission-critical needs of our government clients. Through the expertise and dedication of our talented team, we provide cutting-edge technology services designed to achieve success and exceed expectations. At DVS, we prioritize our employees as our greatest asset. We offer competitive compensation, comprehensive medical benefits, a 401(k) match, generous PTO accrual, professional development reimbursement, corporate-funded technology certifications, and robust employee recognition and appreciation programs. Overview We are seeking a skilled Operational Technology (OT) Security Engineer to support and secure complex industrial control system (ICS) environments. This role focuses on protecting hybrid IT/OT infrastructures, ensuring compliance with DoD cybersecurity standards, and strengthening security across critical operational technologies. - Work Type: Primarily Remote (see location requirements below)

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

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