IT/OT Technical Architect
Location: London, UK
Employment Type: Full-time
Work Model: Hybrid
About the Role
The role will lead OT cybersecurity, network modernization, and remediation initiatives across multiple manufacturing sites globally. The candidate will be responsible for architecture governance, cybersecurity assessments, remediation planning, stakeholder management, and successful delivery of OT transformation programs.
Key Responsibilities
- Lead OT cybersecurity and network transformation projects across manufacturing and industrial environments.
- Develop and govern OT High-Level and Low-Level Designs (HLD/LLD) aligned to ISA-95, Purdue Model, and IEC 62443 standards.
- Conduct OT cybersecurity risk assessments, threat modelling, gap assessments, and remediation planning.
- Drive network segmentation and micro-segmentation initiatives, including firewall policy design and governance.
- Lead vulnerability management, system hardening, patch governance, and OT security compliance activities.
- Collaborate with site engineering teams, OEMs, infrastructure vendors, application vendors, and cybersecurity partners.
- Present technical solutions, risks, remediation plans, and architecture recommendations to senior stakeholders and governance boards.
- Support OT service management, incident response readiness, asset visibility, and continuous improvement initiatives.
Required Qualifications
- Strong experience in OT Network Engineering, OT Cybersecurity, or Industrial Systems Architecture.
- Strong knowledge of IEC 62443, ISA-95, Purdue Model, NIST 800-82, and OT cybersecurity best practices.
- Hands-on experience in OT network architecture, zoning and conduits, micro-segmentation, firewall technologies, and secure IT/OT integration.
- Experience with OT cybersecurity tools such as Armis, Nozomi, Cisco Cyber Vision, Palo Alto, Fortinet, SIEM platforms, or similar solutions.
- Strong understanding of industrial control systems including Rockwell, Siemens, Honeywell, ABB, and associated industrial protocols (OPC, Modbus, EtherNet/IP, etc.).
- Experience in vulnerability management, cybersecurity assessments, OT system hardening, Active Directory security, backup and disaster recovery solutions.
- Proven capability in leading global, cross-functional teams and managing client, vendor, and stakeholder engagements.
- Excellent communication, consulting, and leadership skills with experience driving large-scale remediation and transformation programs.
Preferred Qualifications
- ISA/IEC 62443 (Fundamentals, Risk Assessment, Design, or Expert)
- CCNP / CCIE
- CISSP, GICSP, GIAC, or equivalent cybersecurity certifications
- Nozomi, Palo Alto, Fortinet, or other OT security certifications
Preferred Industry Experience
- FMCG / Manufacturing
- OT Cybersecurity Programs
- Industrial Automation & Controls
Critical Infrastructure
- CI/CD: GitHub Actions, Jenkins
Acerca de Cognizant
Cognizant (Nasdaq: CTSH) es un creador de soluciones de IA y proveedor de servicios tecnológicos que conecta la inversión en IA con el valor empresarial mediante el desarrollo de soluciones de IA full‑stack para sus clientes. Su profundo conocimiento de la industria, junto con su experiencia en procesos e ingeniería, permite incorporar el contexto único de cada organización en sistemas tecnológicos que amplifican el potencial humano, generan resultados tangibles y mantienen a las empresas a la vanguardia en un entorno en constante cambio. Más información en cognizant.ai o @cognizant.
Información adicional de empleo
La información de compensación es precisa a la fecha de esta publicación. Cognizant se reserva el derecho de modificar esta información en cualquier momento, sujeto a la legislación aplicable.
Es posible que se requiera que los solicitantes asistan a entrevistas en persona o por videoconferencia. Además, es posible que se requiera que los candidatos presenten su identificación actual emitida por el estado o gobierno durante cada entrevista.
Cognizant es un empleador que ofrece igualdad de oportunidades. Tu solicitud y candidatura no serán consideradas en base a raza, color, sexo, religión, credo, orientación sexual, identidad de género, origen nacional, discapacidad, información genética, embarazo, condición de veterano o cualquier otra característica protegida por las leyes federales, estatales o locales.
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