3 of 3 Contract Security Posture Jobs in the Thames Valley

Security Architect (Network Security) Location -Warwick/Wokingham/Hybrid About the Role We are seeking an experienced Security Architect (Network Security) to design, implement, and maintain enterprise-grade network security solutions. This role will play a critical part in safeguarding infrastructure, ensuring compliance with global standards, and driving a proactive security posture across the organization. You will work closely with cross-functional IT teams, influence security strategy, and provide expert guidance on best practices in a highly regulated environment. Key Responsibilities Design, architect, and maintain network security infrastructure including Firewalls, IDPS, Proxies, Load Balancers, VPNs, and WAFs. Develop and manage firewall policies, network access controls, IAM solutions, MFA, RBAC … and privilege management . Ensure alignment of security measures with compliance standards (GDPR, HIPAA, PCI DSS). Conduct regular security audits and assessments to identify and remediate risks. Apply industry frameworks such as NIST Cybersecurity Framework, ISO 27001, CIS Controls . Oversee and enhance security technologies: SIEM, vulnerability management, cloud security (OCI/Azure/AWS More ❯

compute platforms, data networks, UNIX/Linux/Windows environments, cloud services, data centres, commercial software solutions, and end-user support across all UKAEA sites. Role Overview : The Cyber Security Specialist plays a pivotal role in advancing UKAEA's hybrid digital estate, encompassing enterprise IT, operational technology (OT), and research platforms. This role sits within the Information & Cyber Security Group and provides subject matter expertise in security architecture, cyber risk governance, and assurance frameworks. This is a cross-functional role with both advisory and hands-on responsibilities, focusing on security assurance, risk management and supporting architecture reviews, vulnerability management, risk assessments, cyber defence posture, driving technical assurance, and embedding risk-aligned security controls across … OT systems and secure-by-design practices. You will work across hybrid environments including cloud, infrastructure, applications, and OT systems. You will be responsible for designing and advising on security architecture patterns, reviewing and maintaining risk registers, leading assurance assessments, and embedding security controls across infrastructure and platforms. You will also guide teams in applying secure-by-design More ❯

SC clearance required ABOUT THE CLIENT: Our client is a well-established technology-driven organisation with a strong focus on advancing its cybersecurity capabilities. You will join a dedicated security team working to enhance threat detection and response across complex environments. This is a crucial role for an experienced SIEM Engineer to make a measurable impact by improving resilience … and operational security. THE BENEFITS: Up to £410 per day (Inside IR35) Hybrid working arrangement Collaborative and innovative security culture Opportunity to work with leading SIEM and EDR technologies THE SIEM ENGINEER ROLE: As a SIEM Engineer, you will design, deploy, and maintain SIEM and EDR solutions that strengthen the organisation's security posture. You will work closely … with IT and security teams to manage log ingestion, implement integrations, and monitor system activity for potential threats. SIEM ENGINEER ESSENTIAL SKILLS: Proven experience with SIEM deployment and management (Sentinel, Elastic, or similar) Strong knowledge of EDR tools (Tanium, Trellix, FireEye, Defender, Elastic EDR) Experience with syslog servers and log feed configuration Ability to create and deploy integrations for More ❯