OT Cybersecurity Architect: IT & Manufacturing Security

We are seeking a highly experienced Cybersecurity Architect with 4-7 years of expertise to lead the design, implementation, and oversight of cybersecurity initiatives across our business and manufacturing operations. This role demands deep technical expertise, strategic thinking, and the ability to influence cross-functional teams.

Must be local to St. Louis and able to work onsite 4 days a week. Only candidates in St. Louis will be considered for this role.

Must have experience in Operational Technology (OT).

Experience in Operational Technology (OT) is a core requirement.

• Architect and implement enterprise‑grade cybersecurity solutions across the IT and OT (manufacturing) environments
• Develop and maintain security architecture documentation and standards
• Evaluate and deploy security technologies (e.g., SIEM, EDR, firewalls, IAM, DLP, DSPM, Zero Trust)
  * Ensure compliance with relevant frameworks and regulations (e.g., NIST, ISO 27001, CMMC, SOC2)
• Lead complex incident response and forensic investigations.
• Design and manage threat detection and prevention systems.
• Perform proactive threat hunting and risk assessments.
• Collaborate with internal teams to architect secure infrastructure.
• Develop and enforce security policies, standards, and guidelines.
• Vulnerability Management: Implement and manage vulnerability assessment tools and processes to ensure the security and compliance of IT systems
• Technical Leadership: Provide guidance and mentorship to junior IT staff, fostering a culture of continuous learning and improvement
• Project Management: Lead IT projects from inception to completion, ensuring timely delivery and adherence to budget and quality standards
• Stakeholder
  
  Collaboration:
  
  Work closely with business leaders, IT teams, and external vendors to ensure alignment and successful implementation of IT initiatives while embedding security into systems and workflows

• Experience: 4 – 7 years of progressive experience in Cybersecurity roles, with at least 2 years in OT environments (e.g., manufacturing, energy, utilities)
• Education: Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related discipline
• Advanced certifications: CISSP, CISM, or OSCP are highly desirable.
• Manufacturing OT: Strong understanding of IICS/SCADA systems, PLC networks, and industrial protocols (e.g., Modbus, OPC UA, DNP3). Experience with network segmentation, firewalls, IDS/IPS, and zero trust architectures in OT environments.
• Vulnerability Management: Strong knowledge of vulnerability assessment tools and techniques
• Leadership: Proven ability to mentor team members
• Project Management: Strong project management skills with a track record of successful project delivery
• Communication: Excellent verbal and written communication skills as well as ability to present monthly metrics to senior leadership