Senior OT Cybersecurity Engineer / Architect (Hybrid - Bethesda, MD)

Senior OT Cybersecurity Engineer / Architect

Hybrid | Onsite 3 days/week (Non-negotiable) - (Bethesda, MD)

Contract: 12–24 Months | Start: Immediate

Job Summary: Seeking a Senior OT Cybersecurity Engineer/Architect to lead the security design and implementation for Client Operational Technology (OT) environments, including building automation, utilities, and critical facility systems. This role drives OT/IT architecture, stakeholder engagement, security maturity initiatives, and alignment with federal/NIST frameworks.

Responsibilities

• Develop and maintain OT/IT security architectures, standards, segmentation, remote access, and monitoring designs.
• Review OT/facility projects for cybersecurity impact; provide design recommendations.
• Translate mission needs into cybersecurity roadmaps and prioritized initiatives.
• Mature OT security capabilities—asset visibility, monitoring, access, incident response.
• Recommend and support deployment of OT security tools (Nozomi, Claroty, Dragos).
• Create OT security standards, baselines, and configuration guidance aligned with federal policy.
• Coordinate with network, IAM, security ops, and engineering teams on cross-functional security efforts.
• Support OT vulnerability remediation, logging/SIEM integration, and continuous monitoring.
• Apply NIST CSF, NIST SP 800-82/53, RMF, FISMA policies for OT environments.
• Support audits, documentation, and compliance activities.

Basic Qualifications

• Bachelor’s in Cybersecurity, CS, IT, Engineering, or equivalent experience.
• 7+ years in Cybersecurity or OT/ICS with experience designing secure architectures.
• Strong understanding of segmentation, IAM, monitoring, zero trust, and incident response.
• Experience leading multi-team technical initiatives.
• Strong communication/documentation and executive presentation skills.

Preferred

• Experience with BAS/BMS, utilities, lab controls, BACnet, Modbus.
• OT security tools: Nozomi, Dragos, Claroty.
• Deep knowledge of NIST SP 800-series, RMF, FISMA, FedRAMP.
• Certifications: CISSP, CISM, GICSP, GRID, etc.

Work Environment

• Onsite 3 days/week at Bethesda campus.
• Occasional off-hours support.
• Access to mechanical rooms, labs, clinical spaces (PPE required).