Lead OT​/ICS Systems Architect

RMC is seeking a Lead OT/ICS Systems Architect for a full-time 100% remote position! Are you ready to embark on a fulfilling and impactful career journey with Risk Mitigation Consulting (RMC)? We're in search of an exceptional Lead OT/ICS Systems Architect to become a part of our mission-driven team, dedicated to making a difference in the federal and commercial markets. At RMC, we're all about enhancing security for both our military and global commercial partners, offering an array of services such as Risk Management, Mission Assurance, and Cybersecurity.

Our team's well-being is paramount, and we reflect this commitment through our flexible work environment and exceptional company culture. By joining RMC, you become a key contributor to our mission – Assuring Tomorrow!

• Comprehensive health, vision, and dental insurance plans fully covered for employees
• Subsidized dependent health care coverage
• Participation in our Annual Bonus Program
• Life insurance policy equivalent to 1x your annual salary.
• Company paid short and long-term disability
• Cell phone reimbursement of $65 per month
• 401(k) Plan with contributions
• A 401(k) Safe Harbor Employer Contribution Program, which includes a 3% contribution

The Lead OT/ICS Systems Architect serves as the primary technical authority for the ICED 603 modernization prototype, responsible for architecting, integrating, and guiding modernization of Army Operational Technology (OT), Industrial Control Systems (ICS), and Facility-Related Control Systems (FRCS). This role leads the technical design and validation of secure, vendor-agnostic architectures; oversees multi-protocol integration; supports Break/Fix/Repair (BFR) engineering decisions; and ensures the prototype meets mission, cybersecurity, Zero Trust, and interoperability requirements across diverse legacy and modern control system environments.

• Lead development of the Target Modernization Reference Architecture covering OT/ICS/FRCS supervisory, network, and field device layers.
• Define interoperability strategies across Modbus, BACnet, Lon Works, serial protocols, and proprietary vendor systems.
• Ensure designs maintain operational performance, latency, and control-loop integrity across installation enclaves.
• Provide technical leadership in generating Technical Courses of Action (COAs) for discrepancies, including preserve/secure, interface/convert, or targeted replacement strategies.
• Serve as lead technical presenter for SRR, IDR, FDR, IRR, TRR, and other Government reviews.
• Support Agile sprint planning, technical reviews, and variance management under the project’s governance framework.
• Provide escalated technical guidance for field teams performing BFR remediation and verifying operational utility under live mission conditions.
• Ensure all implemented architectures reflect approved COAs and comply with Government constraints (e.g., no modification of core Army networks).

• Deep understanding of OT/ICS control system architectures
• Ability to design zero-trust aligned OT/ICS system architectures
• Experience integrating legacy OT devices into modern secure infrastructures
• Strong communication skills for Government reviews and technical documentation
• Strong ability to evaluate operational constraints, mission impacts, and engineering risks

• Bachelor’s degree in Engineering (Electrical, Mechanical, Industrial, Systems), Computer Science, or related field
• Minimum 8 years engineering OT/SCADA systems (explicitly required)
• Experience across multiple IC enabling vendors (e.g., Rockwell, Honeywell, Siemens, JCI, ALC) based on SOW references
• Experience participating in or leading DoD engineering reviews (SRR/IDR/FDR/IRR)

• CompTIA Network+ or Security+
• ISA/IEC 62443 Cybersecurity Fundamentals
• USACE / DoD IC cybersecurity course certifications
• GIAC GICSP (Global Industrial Cybersecurity Professional)
• Cisco Industrial Networking Specialist

• Security Clearance:
  Obtaining a DoD Secret Clearance. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for clearance level required for the job.
• Valid Passport:
  Possession of a current passport with a minimum of 8 months remaining until the expiration date.
• Travel Flexibility:
  Willingness and capability to travel, CONUS and OCONUS approximately 5% of the time.
• Work Environment Compliance:
  Commitment to maintaining a drug-free work environment, U.S.…