IEC 62443 Cyber Security Architect — Telecom & Industrial

Ekiva Limited; United Kingdom; Remote; GBP 70,000 - 110,000; Full time

Job summary

Ekiva Limited is seeking a Cyber Security Specialist with extensive experience in telecom security, industrial cybersecurity and IEC 62443 to support secure deployment of Private 5G, enterprise and OT networks in the United Kingdom.

You will design security architectures, implement controls, perform risk and vulnerability assessments, and prepare security documentation for clients, auditors and partners, while working full-time on site in Egham.

Qualifications

• 7+ years experience in Cyber Security / Network Security.
• Strong experience with IEC 62443 and OT/Industrial cybersecurity.
• Knowledge of network segmentation, firewalls, VPN, PKI, certificate management, identity management, security monitoring.
• Experience securing private networks, industrial environments, critical infrastructure, and enterprise networks.
• Understanding of 5G security concepts, cloud security, zero trust.
• Experience engaging with enterprise security teams, customers, auditors, technology partners.
• Ability to explain security concepts to technical and non-technical stakeholders.
• UK resident with a valid right to work; visa sponsorship not available.
• Full‑time on site in Egham, ability to commute.

Responsibilities

• Design cybersecurity architecture for telecom and industrial networks.
• Define IEC 62443 security principles.
• Develop security requirements for private 5G, enterprise, and OT networks.
• Support firewall policy definition and security configurations.
• Implement VPN security, IAM, and certificate management.
• Perform security risk assessments, vulnerability assessments, and security testing.
• Prepare security documentation, compliance reports, and test artifacts.
• Support security workshops and customer presentations.
• Produce professional security documentation.

Skills

Cyber Security

Network Security

IEC 62443

OT Security

Industrial Cybersecurity

Telecom Security

Security Monitoring

Firewall

VPN

IAM

PKI

Certificate management

Identity management

Security risk assessments

Vulnerability assessments

Security testing

Job description

Ekiva Limited is seeking a Cyber Security Specialist with extensive experience in telecom security, industrial cybersecurity and IEC 62443 to support secure deployment of Private 5G, enterprise and OT networks in the United Kingdom.

You will design security architectures, implement controls, perform risk and vulnerability assessments, and prepare security documentation for clients, auditors and partners, while working full-time on site in Egham.