Cyber Security & Operational Technology (OT) - Solutions Architect

Cyber Security & Operational Technology (OT) - Solutions Architect

Posted 3 days ago by Initialize IT

£536 Per day
Inside
Hybrid
Reading AND remote, UK

Summary: The Solutions Architect for Cyber Security and Operational Technology (OT) will be responsible for designing and delivering secure, scalable, and resilient architectures for various initiatives within the OT program. This role requires a strong background in solution architecture, particularly within OT and cyber security domains, ensuring alignment with enterprise standards. The architect will lead the design of critical initiatives, focusing on security and architectural consistency across OT projects. The position is based in Reading with remote working options available.

Key Responsibilities:

  • Lead architectural design for initiatives including Encryption of Control Data in Transit (ECDT) and Vulnerability Tracking and Remediation (VTR).
  • Define and deliver logical and physical architectures, data lineage, and integration architecture.
  • Establish support models and ensure alignment with enterprise architecture standards and regulatory requirements.
  • Engage with stakeholders to ensure architectural consistency and security across OT projects.
  • Implement cybersecurity best practices and ensure compliance with industry standards.

Key Skills:

  • Proven experience in solution architecture within OT and cyber security domains.
  • Strong understanding of SCADA, HMI, and OT network architecture.
  • Expertise in vulnerability management and endpoint hardening.
  • Deep expertise in Operational Technology (OT) convergence and network segmentation.
  • Hands-on experience with encryption technologies and secure communication protocols.
  • Strong communication and stakeholder engagement skills.
  • Experience with Multi-Factor Authentication (MFA) and Authentication Domain integration.

Salary (Rate): £536 per day

City: Reading

Country: UK

Working Arrangements: hybrid

IR35 Status: inside IR35

Seniority Level: Mid-Level

Industry: IT

Detailed Description From Employer:

Cyber Security & Operation Technology (OT) - Solutions Architect - Reading and remote

Skills/experience

Proven experience in solution architecture within OT and cyber security domains. Strong understanding of SCADA, HMI, and OT network architecture. Expertise in vulnerability management, and endpoint hardening. Familiarity with logical and physical architecture design, data lineage, and integration patterns. Strong communication and stakeholder engagement skills. Proactive in identifying spare capacity and engaging across initiatives.

Tech & Domain Skills:
Required Skills and Experience:
Deep expertise in Operational Technology (OT) convergence, network segmentation, and system hardening, with practical application across a broad range of OT initiatives including:
Encryption of Control Data in Transit (ECDT), ensuring secure data transmission across OT systems
Vulnerability Tracking and Remediation (VTR), enabling proactive identification and mitigation of vulnerabilities
Human Machine Interface Hardening (HMIH) Zero Trust (ZT) - Network Access Control (NAC), Network Detect and Response (NDR), Endpoint Detect and Response (EDR)
Supply Chain Passport Process (SCPP) - 3rd party supplier management framework and platform Engineer Laptop Hardening (ELH) - Windows laptop hardening (CIS Benchmarks), Secure Web Gateway. Data of Last Resort (DLR) - Automated backups & imutable backups
Strong understanding of cyber resilience principles and secure configuration practices across diverse OT environments.
Proven experience with Multi-Factor Authentication (MFA) and Authentication Domain integration (eg, Microsoft Active Directory, EntraID).
Hands-on experience with encryption technologies (IPSEC, TLS, SDWAN) and secure communication protocols.

Role

The Solutions Architect will play a critical role in designing and delivering secure, scalable, and resilient architectures across all initiatives within the Operational Telemetry (OT) program. This role ensures architectural consistency, security, and alignment with enterprise standards across the full portfolio of OT projects.

Key responsibilities include leading the architectural design for initiatives such as:
1. Encryption of Control Data in Transit (ECDT) - ensuring secure data transmission across OT systems.
2. Vulnerability Tracking and Remediation (VTR) - enabling proactive identification and mitigation of vulnerabilities.
3. Human Machine Interface Hardening (HMIH)
4. Zero Trust (ZT)
5. Supply Chain Passport Process (SCPP)
6. Engineer Laptop Hardening (ELH)
7. Data of Last Resort (DLR)

The architect will define and deliver logical and physical architectures, data lineage, integration architecture, application usage, and both high-level and low-level designs. They will also establish support models and ensure alignment with enterprise architecture standards, regulatory requirements, and cybersecurity best practices.

We are seeking a candidate with the following minimum experience:
Solutions Architecture: At least 5 years of hands-on experience designing and implementing enterprise level solutions.
Operational Technology (OT): Minimum of 2 years working with OT systems, preferably in industrial or critical infrastructure environments.
Cybersecurity: At least 5 years of experience in cybersecurity, including risk assessment, threat mitigation, and compliance with industry standards.