JAB Recruitment is actively seeking an Operational Technology (OT) Architect - Hybrid (Houston)

to support one of our prestigious clients in global engineering and technology primarily serving the offshore oil and gas industry, with operations in defense, aerospace and renewables at their

location. This is an exciting opportunity to work with a world-class team in a fast-paced, professional environment.

Ideal candidate is an experienced Operational Technology (OT) Architect to design, implement, and maintain secure, resilient industrial control systems architecture across our manufacturing and critical infrastructure environments. This role requires deep expertise in industrial automation, cybersecurity, and network design to support our digital transformation initiatives while ensuring operational safety and reliability.

To be successful in this role you

PLEASE NOTE:

- This is an estimated 16-month contract position, with the potential for permanent conversion based on performance

- Candidates must be authorized to work in the US indefinitely without present or future need for visa sponsorship. No sponsorship available

Responsibilities

- Develop comprehensive OT architecture for SCADA, DCS, PLC, and HMI systems

- Design secure network segmentation strategies including DMZs, firewalls, and air-gapped environments

- Support Creating technology roadmaps for OT infrastructure modernization and IT/OT convergence initiatives

- Develop and Establish architectural standards and best practices for industrial control systems

Security & Compliance

- Implement cybersecurity frameworks aligned with IEC 62443, NIST Cybersecurity Framework, and NERC CIP standards

- Conduct risk assessments and vulnerability analyses for industrial control systems

- Design/Implement secure remote access solutions for vendor management and maintenance operations

- Develop incident response procedures specific to OT environments

- Provide technical guidance on OT technology selections and integration strategies

- Collaborate with operations teams to ensure minimal disruption during system implementations

- Mentor junior engineers and build internal OT expertise

Education & Experience

- Bachelor's degree in Engineering, Computer Science, or related technical field

- 5 – 7 years of experience in industrial automation, control systems, or OT environments

Technical Skills - Must have relevant experience in Industrial /Manufacturing area

- Expert knowledge of industrial protocols (Modbus, DNP3, OPC, Ethernet/IP, Profinet)

- Proficiency with major automation platforms (Rockwell, Siemens, Schneider Electric, Honeywell)

- Good understanding of OT and Industrial network architecture, including industrial Ethernet and OT specific wireless technologies

- Experience with virtualization technologies and cloud integration for OT environments

- Knowledge of cybersecurity tools and technologies specific to industrial environments

Certifications Preferred

- ISA/IEC 62443 Cybersecurity Fundamentals Specialist

- GIAC Critical Infrastructure Protection (GCIP) or Industrial Defender (GRID)

- Certified Information Systems Security Professional (CISSP)

- Vendor-specific certifications (Rockwell, Siemens, etc.)

Industry Background

- Manufacturing, utilities, oil & gas, or critical infrastructure experience

- Hands-on experience with brownfield and greenfield industrial projects

- Understanding of regulatory requirements and safety systems (SIS, F&G)

Problem-Solving Approach

- Ability to balance security, reliability, and operational requirements

- Experience troubleshooting complex industrial control system issues

- Track record of successful large-scale OT infrastructure implementations

JAB Recruitment is an equal opportunity employer. Qualified applicants are considered for positions without regard to race, color, religion, sex, national origin, age, citizenship status, marital status, medical condition, physical or mental disability or any other legally protected status. EOE/M/F/D/V

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