Operational Technology Security Engineer

Responsibilities Cardinal Technology Systems Corp. is a government IT solutions provider servicing commercial and government initiative in various parts of the United States. We are currently seeking an Operational Technology Security Engineer to work for our company. Summary Must possess IT-II security clearance or have a current National Agency Check with Local Agency Check and Credit Check (NACLC). (Basic Federal Clearance requirements are U.S. Citizenship, clear criminal history check, no recent or pending bankruptcies) Performs a variety of routine project tasks applied to specialized information assurance problems with operational technology (OT) systems. Tasks involve integration of OT processes or methodologies with information systems to resolve total system problems, or technology problems as they relate to Cybersecurity requirements. Analyzes information security requirements. Applies analytical and systematic approaches in the resolution of problems of workflow, organization, and planning. Provides security engineering support for planning, design, development, testing, demonstration, and integration of OT systems. Requirements Must possess IT-II security clearance or have a current National Agency Check with Local Agency Check and Credit Check (NACLC). (Basic Federal Clearance requirements are U.S. Citizenship, clear criminal history check, no recent or pending bankruptcies) Required Training /Certifications In: ICS300 or relevant Operational Technology “OT” or Industrial Control System “ICS” Cybersecurity Certifications and Forescout – Training Module /Course Completion. Must possess an active DoD 8570 IAT Level II certification such as Security+ CE, CySA+, and SSCP. 7+ years of relevant OT Cybersecurity experience. Experience with OT communication protocols such as Modbus/TCP, EtherNet/IP, IEC 61850, ICCP, DNP3, BACnet, and similar industrial protocols. Strong understanding of OT systems including SCADA, ICS, DCS, PLCs, HMIs, RTUs, and field devices. Knowledge of secure OT network architectures, including segmentation, firewalls, IDS/IPS, and network monitoring solutions. Understanding of secure remote access technologies and best practices for OT maintenance and monitoring. Experience managing software and firmware updates for OT devices while minimizing operational disruption. Proficiency with OT-relevant cybersecurity frameworks such as NIST CSF, ISA/IEC 62443, and NERC CIP. Familiarity with DoD cybersecurity requirements including STIGs, TCG configuration guides, IAVMs, and Task Orders. Experience preparing environments for DoD cybersecurity inspections. Ability to develop, maintain, and validate cybersecurity artifacts and documentation. Understanding of compliance requirements for OT environments and industry-specific regulatory obligations. Proficiency in conducting vulnerability assessments across networks, databases, applications, and OT/IT systems. Knowledge of vulnerability scanning and asset visibility tools (ACAS, Nessus, Qualys, Forescout, EyeInspect). Updates and tracks POA&M entries by documenting findings, logging remediation actions, and keeping milestone dates current to ensure issues move toward closure. Experience performing OT-specific risk assessments, identifying threats, vulnerabilities, and operational impacts. Ability to recommend risk-based mitigation strategies tailored to OT constraints. Familiarity with secure configuration baselines, hardening procedures, and compliance enforcement. Experience deploying and tuning security monitoring solutions for OT environments, including anomaly detection and threat intelligence integration. Ability to develop and implement OT-specific incident response plans. Knowledge of forensic techniques and tools appropriate for OT systems. Understanding of patch management workflows and enterprise change management processes. Ability to build automated workflows for vulnerability remediation, compliance checks, or reporting. Proficiency with analytical tools such as Microsoft Excel, Access, Power BI, and Power Platform. Ability to generate clear, accurate, and audit-ready cybersecurity reports for technical and leadership audiences. Experience producing analytics and trend reports using data from scanners, configuration tools, and monitoring platforms. Understanding of vendor and supply chain security practices for OT equipment and services. Experience bridging IT and OT cybersecurity requirements to ensure aligned policies and protections. Ability to translate technical findings into actionable recommendations for engineers, operators, and leadership. Strong research, analytical, and problem-solving abilities. Excellent written and verbal communication skills, including briefing senior leaders. Proven ability to work independently and collaboratively with minimal oversight. Commitment to staying current on emerging OT threats, vulnerabilities, and best practices. Benefits • Medical, Dental, Vision Benefits • Paid Life • Paid Vacation, Holidays, Sick Leave, Floating Holidays, Bereavement Leave • Semi-monthly pay cycle Work With Us Cardinal Technology Systems, Corp (“CTech-Sys”), www.ctech-sys.com, is an SBA Certified 8(a) and HUBZone company located in the National Capital Region (NCR) and serves both government and commercial clients such clients as US CBP, US CIS, DLA, DFuse Technologies, and American Environmental Engineering Consultants. Cardinal Technology Systems, Corp is an Equal Employment Opportunity employer and it’s our policy to consider applicants for employment without regard to sex, race, color, creed, religion, national origin, sexual orientation, marital status, age, disability, veteran status, alienage, ancestry, or any other factors prohibited by law. Employment selections are based on company and client requirements and the qualifications and skills of the candidate. CTech-Sys is committed to actively capitalizing on the diversity of skills, talents and perspectives of our employees.