Senior OT Security Architect: Water Utilities (Clearance)

Amyx, Inc.; Washington (District of Columbia); On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Medical, Dental, Vision plans

Health Savings Account

401(k) with matching

Flexible Spending Accounts

PTO

Holidays

Professional Development Reimbursement

Job summary

Amyx, Inc. seeks a Cyber Security SME with deep OT security expertise for water utilities. You will lead cybersecurity strategy, architecture, and risk management for industrial control systems (ICS), SCADA networks, and process automation critical to water infrastructure.

You will ensure compliance with federal standards, improve resilience against cyber threats, and support EPA and utility partners in safeguarding public health and environmental resources.

Qualifications

• 10+ years in cybersecurity
• 8+ years in OT/ICS security for water utilities or critical infrastructure
• Hands-on experience with SCADA platforms and OT protocols
• Strong knowledge of NIST SP 800-82, ISA/IEC 62443, RMF

Responsibilities

• Lead cybersecurity strategy, architecture, and risk management for OT/ICS in water utilities.
• Develop and implement security architectures for OT environments (SCADA, PLCs, RTUs, HMIs).
• Design segmentation strategies (Purdue Model, DMZ, secure remote access).
• Integrate OT telemetry into enterprise SOC/SIEM for threat detection.
• Conduct OT risk assessments and ensure compliance with federal guidance.
• Prepare SSPs, POA&Ms, and RMF documentation; support incident response and recovery planning.
• Collaborate with operators, engineers, and EPA program leads; deliver executive briefings and reports.

Job description

Amyx, Inc. seeks a Cyber Security SME with deep OT security expertise for water utilities. You will lead cybersecurity strategy, architecture, and risk management for industrial control systems (ICS), SCADA networks, and process automation critical to water infrastructure.

You will ensure compliance with federal standards, improve resilience against cyber threats, and support EPA and utility partners in safeguarding public health and environmental resources.