Cyber Security Architect

3 days ago

London, United Kingdom Colt Data Centre Services Full time

We are seeking a hands-on Cyber Security Architect to join our team. This role combines strategic security architecture responsibilities with practical implementation and operational expertise. You will define and develop cybersecurity standards, frameworks, and policies while actively working with security tools and services to protect Colt DCS's critical infrastructure and customer environments. Responsibilities: Security Architecture & Standards Design and maintain cybersecurity architecture aligned with industry best practices and regulatory requirements. Develop and enforce security standards, policies, and guidelines for data centre and cloud environments. Conduct risk assessments and threat modeling for new and existing systems. Hands-On Implementation Deploy, configure, and manage security tools such as: Firewalls (Next-Gen, Web Application Firewalls) Intrusion Detection/Prevention Systems (IDS/IPS) Endpoint Detection & Response (EDR) Vulnerability Management Platforms Data Loss Prevention (DLP) Encryption and Key Management Solutions Identity & Access Management (IAM) Privileged Access Management (PAM) Web and Email Security Gateways Cloud Security Posture Management (CSPM) Network Access Control (NAC) Perform security hardening of systems, networks, and cloud platforms. Support incident response and forensic investigations when required. Automation & Scripting Develop and maintain automation scripts for security operations and compliance checks. Use tools and languages such as: Python, PowerShell, Bash Ansible, Terraform, Puppet, Chef CI/CD pipelines for security integration Implement automated workflows for vulnerability scanning, patch management, and cloud security posture monitoring. Cloud & Networking Security Architect secure solutions for multi-cloud environments (AWS, Azure, GCP). Implement network security controls, including segmentation, VPNs, and zero-trust principles. Collaborate with network engineers to ensure secure connectivity across data centres. Operational Technology (OT) Security Provide guidance and implement security measures for OT environments within data centres. Understand ICS/SCADA security principles and apply them to physical infrastructure protection. Collaboration & Leadership Work closely with IT, operations, and compliance teams to embed security into all processes. Act as a subject matter expert for cybersecurity during audits and customer engagements. Skills & Experience: Proven experience as a Cyber Security Architect or similar role in a data centre, cloud, or enterprise environment. Strong hands-on experience with security tools and technologies listed above. Deep understanding of: Cloud security (AWS, Azure, GCP) Network security principles and protocols Identity and access management Familiarity with OT security and standards (IEC 62443, NIST CSF). Knowledge of regulatory frameworks (ISO 27001, GDPR, SOC 2). Excellent problem-solving and communication skills. Relevant certifications: CISSP, CISM, CCSP, SABSA, or equivalent. Experience in hyperscale or colocation data centre environments. Exposure to automation and scripting for security operations. Ability to design secure architectures across cloud, on-prem, and hybrid environments. Experience creating reference architectures, high-level designs (HLD) and low-level designs (LLD). Ability to lead security architecture reviews and conduct threat modelling workshops.

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