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Posted 02 August, 2026

Security Engineer

Vallum Associates Limited
Sheffield, ENG, GB Full Time

Job Description

The client undergoing a transformation of its Identity and Access Management practices including the delivery of a set of net new tools to overhaul how IAM is carried out in the industry. We are seeking experienced and dynamic Security Engineer who have an excellent understanding of Identity Management, with a successful track record of working in complex global organisations at fast pace.In this role, you will:Design and implement security controls across the IDAM 2.0 platform.Embed Secure by Design principles throughout solution delivery.Implement and maintain Zero Trust security controls.Configure and maintain authentication and authorisation security mechanisms.Implement secure service-to-service communication using mutual TLS (mTLS).Support Workload Identity, Human Identity and Agent Identity security controls.Implement and maintain Policy-as-Code solutions using OPA and related technologies.Integrate secrets management, PKI and certificate lifecycle services.Support cryptographic key management and certificate rotation processes.Perform security reviews of solution designs, infrastructure and application code.Conduct threat modelling and security risk assessments.Identify, assess and remediate security vulnerabilities.Support vulnerability management and security patching activities.Develop and maintain security baselines, standards and hardening guides.Implement cloud security controls for GCP resources and Kubernetes platforms.Configure security monitoring, logging, alerting and audit capabilities.Support identity governance, privileged access and least privilege implementation.Assist with penetration testing and remediation activities.Support security compliance with financial services regulatory requirements.Collaborate with Security Operations and Incident Response teams during security events.Support security assurance for third-party integrations and supplier solutions.Contribute to DevSecOps tooling and automated security testing.Promote security awareness and engineering best practice across delivery teams.Produce security documentation, implementation guides and operationalProcedures.Essential SkillsInformation Security EngineeringIdentity and Access Management (IAM)Zero Trust ArchitectureAuthentication and AuthorisationWorkload IdentityAgent IdentityPKI and Certificate ManagementSecrets ManagementCryptographyCloud Security (GCP)Kubernetes SecurityService Mesh SecurityAPI SecurityPolicy-as-Code (OPA)DevSecOpsSecure Software Development Lifecycle (SSDLC)Threat ModellingVulnerability ManagementSecurity Monitoring and SIEMSecurity Compliance and GovernanceIncident ResponseTPBN1_UKTJ