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Amyx, Inc. · 1 day ago

Sr. Cybersecurity OT SME

US-DC-Washington

Full-time

Onsite

Senior Level, Lead/Staff

10+ years exp

Amyx, Inc. is seeking a Cyber Security SME with deep expertise in Operational Technology security for water and wastewater utilities. This role will lead cybersecurity strategy, architecture, and risk management for critical industrial control systems and ensure compliance with federal standards while improving resilience against cyber threats.

Cyber SecurityInformation TechnologySoftware

Growth Opportunities

No H1B

U.S. Citizen Only

Responsibilities

OT Cybersecurity Strategy

Develop and implement security architectures for water utility 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

Risk Assessment & Compliance

Conduct OT risk assessments for water/wastewater systems

Align with NIST SP 800-82, ISA/IEC 62443, and EPA cybersecurity guidance

Prepare and maintain System Security Plans (SSPs), POA&Ms, and RMF documentation

Incident Response & Resilience

Develop OT-specific incident response playbooks and tabletop exercises

Support forensic analysis and recovery planning for cyber-physical systems

Stakeholder Engagement

Collaborate with water utility operators, engineers, and EPA program leads

Deliver executive briefings and technical reports on OT cyber posture

Must have the ability to communicate accurate information

Qualification

OT Cybersecurity StrategySCADA platformsOT protocolsNIST SP 800-82Risk AssessmentIncident ResponseCertificationsStakeholder EngagementCommunication Skills

Required

10+ years in cybersecurity

8+ years in OT/ICS security for water utilities or critical infrastructure

Hands-on experience with: SCADA platforms (e.g., Wonderware, Ignition, OSIsoft PI)

OT protocols (Modbus, DNP3, OPC-UA)

Passive monitoring tools (Nozomi, Claroty, Dragos)

Strong knowledge of NIST SP 800-82, ISA/IEC 62443, and RMF

U.S. Citizenship; Public Trust eligibility

Must have the ability to communicate accurate information

Preferred

Bachelor's in Cybersecurity, Engineering, or related field

Certifications: GICSP, CISSP, GRID, ISA/IEC 62443

Experience with EPA programs, water/wastewater operations, or municipal utilities

Benefits

Medical, Dental, and Vision Plans (PPO & HSA options available)

Flexible Spending Accounts (Health Care & Dependent Care FSA)

Health Savings Account (HSA)

401(k) with matching contributions

Roth

Qualified Transportation Expense with matching contributions

Short Term Disability

Long Term Disability

Life and Accidental Death & Dismemberment

Basic & Voluntary Life Insurance

Wellness Program

PTO

11 Holidays

Professional Development Reimbursement

Company

Amyx, Inc.

At Amyx, Inc., a wholly owned subsidiary of Tetra Tech, our mission is to exceed our customer's expectations on every contract, to provide an environment that encourages, recognizes and rewards the extraordinary contributions of our employees, and to advance and support the communities in which we work and live.

Founded in 1999

Reston, Virginia, USA

501-1000 employees