Senior DevSecOps Engineer - Outside IR35

Position: Senior DevSecOps Engineer  - Outside IR35
Outside IR35, Dev Sec Ops  Engineer, Azure, AWS, Best practice, Regulatory Environment background, Mobile Application, Web Application, Greenfield Build, London + West Midlands.

We are seeking a Senior Dev Sec Ops  Engineer to lead governance, architecture guidance, and assurance for Greenfield Web Application build across infrastructure security, Microsoft Azure, AWS, Kubernetes and key SaaS platforms. This role is pivotal in shaping technical blueprints, setting security standards, and ensuring regulatory compliance with Cyber Essentials Plus, ISO 27001, and Zero Trust principles.

You will act as the glue between IT and platform teams to embed best practices, validate implementations, and support audit readiness across IaaS, PaaS, and SaaS environments.

Key Responsibilities

Define and maintain multi-cloud security standards and reference blueprints (e.g. Azure Policy/Initiatives, AWS Control Tower/SCPs)
Own security architecture patterns and contribute to HLD/LLD, threat models, and risk assessments
Set assurance criteria and control evidence requirements for internal teams and third-party vendors
Establish policy-as-code requirements and maintain an exceptions register with expiry and risk ownership
Define identity and access control standards (Entra l Access, MFA, PIM; AWS IAM federation)
Govern SaaS security onboarding (SSO, OAuth governance, DLP controls, vendor assessments)
Strong regulatory sector experience
Educate and influence teams through guidance, clinics, and coaching sessions
Familiarity with IaaS, PaaS, SaaS risk models and audit frameworks
Excellent written communication and facilitation skills to drive adoption and influence stakeholders

Additional Skills

Certifications:

AZ‑500, SC‑100, SC‑200, AZ‑700, AWS Security Specialty, CISSP (or equivalents)

Experience with blueprint catalogues and architecture governance processes
Working knowledge of containers/Kubernetes (AKS/EKS) policy models

While this role focuses on governance and assurance, hands-on use may be required for validation:

Azure:
Policy/Initiatives, Defender for Cloud, Entra , PIM
AWS:
Control Tower, SCPs, Security Hub, Guard Duty, IAM
Security & Monitoring:
Microsoft Sentinel (KQL), Defender XDR, audit dashboards
Documentation & Governance:
Blueprint repositories, risk registers, ITSM/CAB records

If this role is of interest please send your cv to review ASAP