5 of 5 Contract Network Security Jobs in Sheffield

Network Security Engineer Overview We are seeking a senior Network Security Engineer with strong Cisco ISE and Network Access Control (NAC) expertise to support a global transformation programme, including the migration and evolution of existing access control capabilities towards Cisco ISE-based solutions. Key Responsibilities … support Cisco ISE solutions across a large enterprise environment. Support the migration of existing NAC capabilities into strategic Cisco ISE platforms. Review current security controls and define target-state architecture. Provide SME guidance on network access control, authentication and identity-based security. Work with Cyber Security, Infrastructure ...

Strong Python development experience, with the ability to build automation and orchestration solutions Strong experience with orchestration and workflow automation across engineering, cloud and security platforms Strong experience across both AWS and GCP (essential) Deep understanding of CI/CD pipelines, build tools, artifact repositories, and developer platforms Expertise … secure software delivery, vulnerability management, and platform security Experience with threat modelling, security frameworks, and maturity assessments Strong knowledge of application security, network security, and cloud security principles Excellent stakeholder management and communication skills Desirable: Experience in financial services or regulated environments Knowledge ...

Consultant to drive secure engineering practices across large-scale, cloud-based platforms. A key focus will be practical AI experience within DevSecOps, including embedding security controls into modern AI-assisted developer workflows. We're particularly interested in candidates who have worked with Claude Code or similar AI coding tools … within DevSecOps and software engineering workflows Experience securing AI-assisted development workflows, including Claude Code or similar tools Experience integrating SAST and other security controls into workflows containing AI-generated code Strong experience with secrets scanning and preventing sensitive information from entering source code or pipelines Strong experience designing ...

Network Security Engineer Overview We are seeking a senior Network Security Engineer with strong Cisco ISE and Network Access Control (NAC) expertise to support a global transformation programme, including the migration and evolution of existing access control capabilities towards Cisco ISE-based solutions click apply ...

operate back-end services using Java (Spring Boot) and/or Python (FastAPI/Flask), covering API design with OpenAPI, performance optimisation, and security controls. Develop modern user interfaces with React, focusing on accessible design, reusable components, and efficient state management. Design and maintain Kubernetes deployments on AKS, including … excellence by implementing logging, metrics, and tracing, creating actionable alerts, defining SLOs and SLIs, and leading incident response and post-incident improvement activities. Embed security by design through secure coding practices, threat modelling, role-based access control and least privilege, secrets management including Key Vault integration, and modern identity ...