OT/ICS Cyber Security Architect

Company Overview

At 4A Consulting, we turn complexity into opportunity. Founded in 2014 and headquartered in Baltimore, MD, we are a women-owned, boutique consulting firm specializing in delivering innovative, data-driven solutions to both the Federal Government and Fortune 500 clients. Our team blends deep industry knowledge with advanced technologies to design tailored strategies that drive measurable and sustainable outcomes. We pride ourselves on an agile, collaborative approach that helps organizations navigate challenges and seize emerging opportunities in a rapidly evolving digital landscape. At 4A, we don’t just deliver projects, we build trusted partnerships that empower our clients to lead with confidence in the digital age.

Position Overview

We are seeking an OT/ICS Cybersecurity Architect with strong expertise in industrial cybersecurity, OT security architecture, and critical infrastructure protection. This role focuses on designing, implementing, and optimizing cybersecurity solutions for Operational Technology (OT) and Industrial Control Systems (ICS) environments across energy, manufacturing, utilities, and critical infrastructure sectors.

The ideal candidate will have deep experience with OT/ICS security tools, network segmentation, vulnerability management, incident response, industrial security frameworks, and enterprise cybersecurity architecture.

Key Responsibilities

• Design and implement OT/ICS cybersecurity architectures and secure industrial environments
• Develop network segmentation, secure remote access, and OT-to-IT integration strategies
• Create and maintain OT/ICS security reference architectures, blueprints, and roadmaps
• Deploy and support OT/ICS cybersecurity tools and platforms
• Implement security solutions using Claroty, Palo Alto, Cradlepoint, CrowdStrike, BeyondTrust, Splunk, Cisco, ServiceNow, and TxOne
• Conduct OT/ICS security assessments, validation testing, and compliance reviews
• Perform consequence-based risk assessments and Cyber PHA analysis
• Lead OT vulnerability management and remediation planning initiatives
• Support regulatory compliance and audit readiness activities for industrial environments
• Design and implement OT monitoring, threat detection, and incident response solutions
• Develop OT/ICS incident response plans and monitoring workflows
• Integrate monitoring and alerting processes with ServiceNow workflows
• Develop OT/ICS cybersecurity policies, standards, procedures, and governance documentation
• Deliver cybersecurity training and awareness programs for operational teams and vendors
• Provide strategic guidance on OT/ICS governance frameworks and security best practices
• Collaborate with cross-functional IT, OT, engineering, and business stakeholders
• Lead project teams, mentor junior resources, and support solution development activities
• Research emerging OT/ICS cybersecurity threats, vulnerabilities, and technologies

Required Qualifications

• 10+ years of US experience in cybersecurity, network architecture, or OT/ICS security environments
• Strong expertise in OT/ICS cybersecurity architecture and industrial network security
• Hands-on experience with Claroty for OT asset discovery and vulnerability management
• Experience with Palo Alto and Cradlepoint firewalls, segmentation, and secure connectivity
• Experience with CrowdStrike for OT monitoring and threat detection
• Experience with BeyondTrust secure remote access management
• Strong understanding of industrial cybersecurity frameworks such as NIST 800-82 and IEC 62443
• Experience with Splunk, Cisco security technologies, ServiceNow, and OT endpoint protection tools
• Hands-on experience with OT vulnerability management and Cyber PHA methodologies
• Strong understanding of incident response and OT security monitoring
• Experience supporting critical infrastructure and industrial environments
• Strong analytical, troubleshooting, and problem-solving skills
• Strong communication and stakeholder management skills
• Experience creating architecture documentation and technical security roadmaps

Preferred Qualifications

• Experience supporting energy, utilities, manufacturing, or critical infrastructure clients
• Experience leading enterprise OT/ICS transformation or security modernization initiatives
• Experience mentoring teams and leading cybersecurity project delivery
• Experience supporting regulatory compliance and audit readiness programs
• Experience working in consulting or client-facing environments
• Experience with enterprise SIEM and OT monitoring platforms
• Experience supporting hybrid IT/OT cybersecurity environments

Why Join 4A 

• Be part of a mission-driven, women-owned consulting firm with a reputation for excellence.
• Work on high-impact projects across federal and commercial clients.
• Collaborate in an inclusive, growth-oriented culture where innovation is valued.
• Access career development programs, mentorship, and learning opportunities.
• Enjoy a comprehensive benefits package, flexible work options, and a focus on work-life balance.

Equal Opportunity Statement

4A Consulting is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. 

We want every candidate to have the opportunity to shine. is an Equal Opportunity Employer committed to building an inclusive environment. If you need a reasonable accommodation to apply for a role or participate in the interview process due to a disability, please let us know by reaching out to .

Please note that 4A Consulting participates in the federal E-Verify program. Upon hire, we will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the US. 4A Consulting will only use E-Verify once you have accepted a job offer and completed the Form I-9.