
Vallum Associates Limited
Security Engineer
Job Description
Salary: £143,000 - 143,000 per year
Requirements:- We need experience in Information Security Engineering and Identity and Access Management (IAM).
- We need a strong understanding of Zero Trust Architecture, Authentication and Authorisation, Workload Identity, Agent Identity, PKI and Certificate Management, Secrets Management, and Cryptography.
- We need experience with Cloud Security, particularly GCP, as well as Kubernetes Security, Service Mesh Security, and API Security.
- We need hands-on experience with Policy-as-Code, especially OPA, and DevSecOps practices.
- We need experience in Secure Software Development Lifecycle (SSDLC), Threat Modelling, Vulnerability Management, Security Monitoring and SIEM, Security Compliance and Governance, and Incident Response.
- We need a successful track record working in complex global organisations in a fast-paced environment.
- We design and implement security controls across the IDAM 2.0 platform.
- We embed Secure by Design principles throughout solution delivery.
- We implement and maintain Zero Trust security controls.
- We configure and maintain authentication and authorisation security mechanisms.
- We implement secure service-to-service communication using mutual TLS (mTLS).
- We support Workload Identity, Human Identity, and Agent Identity security controls.
- We implement and maintain Policy-as-Code solutions using OPA and related technologies.
- We integrate secrets management, PKI, and certificate lifecycle services.
- We support cryptographic key management and certificate rotation processes.
- We perform security reviews of solution designs, infrastructure, and application code.
- We conduct threat modelling and security risk assessments.
- We identify, assess, and remediate security vulnerabilities.
- We support vulnerability management and security patching activities.
- We develop and maintain security baselines, standards, and hardening guides.
- We implement cloud security controls for GCP resources and Kubernetes platforms.
- We configure security monitoring, logging, alerting, and audit capabilities.
- We support identity governance, privileged access, and least privilege implementation.
- We assist with penetration testing and remediation activities.
- We support security compliance with financial services regulatory requirements.
- We collaborate with Security Operations and Incident Response teams during security events.
- We support security assurance for third-party integrations and supplier solutions.
- We contribute to DevSecOps tooling and automated security testing.
- We promote security awareness and engineering best practice across delivery teams.
- We produce security documentation, implementation guides, and operational procedures.
- API
- Cloud
- Cryptography
- DevSecOps
- GCP
- IAM
- Support
- Kubernetes
- Security
More:
We are undergoing a transformation of our Identity and Access Management practices and delivering a set of net new tools to overhaul how IAM is carried out in the industry. We are seeking an experienced and dynamic Security Engineer to join us in a fast-paced, complex global environment.
last updated 31 week of 2026
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About Vallum Associates Limited

Vallum Associates Limited
Sheffield
IT
Skills & Technologies
Inferred from job description
Salary Insight
£143,000
This role
£60,000
UK median
This salary is 138% above the UK median for Software Engineers (£60,000/yr).
Based on 2024–2025 UK technology sector benchmarks