Operational Technology (OT) Security Engineer

April 27, 2026

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Operational Technology (OT) Security Engineer Location: Government site and/or off-site Clearance: DoD Secret (IT-II / Tier 3 eligible) Position Summary Nationwide IT Services, NIS, is seeking an Operational Technology (OT) Security Engineer to perform project tasks supporting information assurance for OT systems. To integrate OT processes with IT systems to resolve cybersecurity and system challenges. Analyze security requirements and supports planning, design, development, testing, and integration of OT systems. <div align="center" style="text-align:center;margin-bottom:11px;"><hr align="center" size="2" width="100%"></div>Key Responsibilities<ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Manage POA&M entries (track findings, remediation, milestones) </li><li style="margin-bottom:11px;">Develop cybersecurity artifacts (STIGs, TCGs, IAVMs, RMF documentation) </li><li style="margin-bottom:11px;">Generate audit-ready reports (vulnerabilities, compliance, risk) </li><li style="margin-bottom:11px;">Translate technical findings into actionable recommendations </li><li style="margin-bottom:11px;">Build automated workflows for remediation, compliance, and reporting </li><li style="margin-bottom:11px;">Recommend risk-based mitigation strategies for OT environments </li><li style="margin-bottom:11px;">Develop and maintain cybersecurity documentation and artifacts </li><li style="margin-bottom:11px;">Implement OT-specific incident response plans </li><li style="margin-bottom:11px;">Stay current on emerging OT threats and best practices </li><li style="margin-bottom:11px;">Use tools such as Excel, Access, Power BI, and Power Platform </li></ul><div align="center" style="text-align:center;margin-bottom:11px;"><hr align="center" size="2" width="100%"></div>Required Qualifications<ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">7+ years of cybersecurity policy experience </li><li style="margin-bottom:11px;">Active DoD Secret clearance (IT-II / Tier 3 eligible) </li><li style="margin-bottom:11px;">Experience with OT protocols (Modbus, EtherNet/IP, IEC 61850, ICCP, DNP3, BACnet) </li><li style="margin-bottom:11px;">Knowledge of OT systems (SCADA, ICS, DCS, PLCs, HMIs, RTUs) </li><li style="margin-bottom:11px;">Understanding of secure OT architectures (segmentation, firewalls, IDS/IPS) </li><li style="margin-bottom:11px;">Experience with secure remote access and OT patch/update processes </li><li style="margin-bottom:11px;">Familiarity with frameworks (NIST CSF, ISA/IEC 62443, NERC CIP) </li><li style="margin-bottom:11px;">Experience preparing for DoD cybersecurity inspections </li><li style="margin-bottom:11px;">Knowledge of compliance and regulatory requirements </li><li style="margin-bottom:11px;">Experience with vulnerability assessments and tools (ACAS, Nessus, Qualys, Forescout, EyeInspect) </li><li style="margin-bottom:11px;">OT risk assessment experience (threats, vulnerabilities, impacts) </li><li style="margin-bottom:11px;">Knowledge of hardening, baselines, and compliance enforcement </li><li style="margin-bottom:11px;">Experience with monitoring solutions, anomaly detection, threat intelligence </li><li style="margin-bottom:11px;">Familiarity with OT forensics and incident analysis </li><li style="margin-bottom:11px;">Understanding of patch and change management processes </li><li style="margin-bottom:11px;">Ability to produce analytics and trend reports from security tools </li><li style="margin-bottom:11px;">Knowledge of vendor/supply chain security practices </li><li style="margin-bottom:11px;">Experience aligning IT and OT cybersecurity requirements </li><li style="margin-bottom:11px;">Strong analytical, research, and communication skills </li><li style="margin-bottom:11px;">Ability to work independently and collaboratively </li><li style="margin-bottom:11px;">Experience with DoD cybersecurity policies and processes </li></ul><div align="center" style="text-align:center;margin-bottom:11px;"><hr align="center" size="2" width="100%"></div>Certifications / Training<ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">ICS300 or equivalent OT/ICS training </li><li style="margin-bottom:11px;">DoD 8570 IAT Level II (current); DoD 8140E (future) </li><li style="margin-bottom:11px;">Forescout certification </li><li style="margin-bottom:11px;">DLA Computing Environment (M Account Access) </li><li style="margin-bottom:11px;">Work Role: ISSM (722), Intermediate </li></ul><div align="center" style="text-align:center;margin-bottom:11px;"><hr align="center" size="2" width="100%"></div><h2 style="margin-top:11px;margin-bottom:5px;">Why Join Nationwide IT Services?</h2>Nationwide IT Services is a trusted government contractor supporting Department of Defense customers. We offer the opportunity to work on high-impact cybersecurity missions alongside experienced professionals in a collaborative and growth-focused environment. Our benefits package includes medical, dental, and vision insurance, life, and disability insurance, 401(k) plan with employer match, paid holidays, PTO (sick/vacation), commuter benefits, employee assistance program (EAP), and educational reimbursement, along with Pet Insurance. Nationwide IT Services, Inc. provides equal employment opportunities (EEO) to all qualified applicants regardless of race, color, religion, sex, national origin, sexual orientation, gender identity, genetics, disability, or protected veteran status.

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