10/15/2026 updated


100 % available
Senior Security Engineer | IAM, RBAC, PKI & Microsoft Entra ID/Azure AD Specialist
Groningen, Netherlands
Only remote
MBO level 4 vocational diploma in System AdministrationAbout me
Senior Security Engineer specialising in IAM, Microsoft Entra ID and PKI. Experienced in regulated environments at RDW, NATO and the Dutch Ministry of Defence. I bring a practical, structured approach to securing access, improving processes and keeping critical systems reliable.
OAuth 2.0Tailwind CSSISO 27001Active DirectoryMicrosoft AzureLinuxDomain Name System (DNS)Hyper-VInformation Technology Infrastructure Libraries (ITIL)Identity Management SystemsKey ManagementMySQLNetwork Planning and DesignOpenIDPublic Key Infrastructure
Security Engineer focused on Identity & Access Management (IAM), with experience in regulated environments at RDW, NATO and the Dutch Ministry of Defence.
• Identity security: Microsoft Entra ID / Azure AD, Active Directory, RBAC, least privilege, Conditional Access and identity lifecycle management.
• Authentication: SSO, SAML, OAuth 2.0, OpenID Connect and ADFS.
• Privileged access: CyberArk, PAM processes, administrative accounts and service principals.
• PKI: certificate lifecycle management, KeyTalk, HSMs, key management and TLS hardening.
• Automation: PowerShell and Microsoft Graph for access administration, reporting and operational improvements.
• Security operations: identity incident investigation, audit logging and application of ISO 27001 controls.
Experience
Professional experience10+ years
Freelancer since2021
Languages
EnglishFluentDutchNative speaker
Project history
Design, development and security of websites and webshops for businesses. Developed and maintained websites/webshops using WordPress, Elementor, Next.js, TypeScript and Tailwind CSS. Configured hosting, DNS, Cloudflare, MFA, DDoS protection and payment methods such as Mollie/Stripe, and prepared handover documentation.
Security engineering in a public-sector, regulated environment focused on IAM/RBAC, Microsoft Entra ID/Azure AD, privileged access, PKI, certificate management, trust services, key management, IAM platform operations and process improvement. Managed and improved IAM processes, authorisation structures, roles and access rights using RBAC and least-privilege principles. Worked with Microsoft Entra ID/Azure AD, Active Directory, AGPM, Enterprise Applications, App Registrations, ADFS and Conditional Access. Managed and supported security and trust services including PKI, TLS hardening, F5/load balancing, PAM, key management, HSMs and certificate-dependent processes using KeyTalk. Used PowerShell and Microsoft Graph for IAM administration, analysis, reporting and automation. Worked in ServiceTeam SED, a multidisciplinary DevOps/Agile infrastructure team using Scrum.
Enterprise IT role responsible for local infrastructure, audit/compliance, Microsoft technologies and service improvement. Managed on-premises and Azure environments and supported IAM, RBAC and authorisation for users and roles including AGDLP principles. Worked with core Microsoft technologies, Active Directory, Azure/Intune/Azure AD, Office 365, endpoint security, Zscaler and MDM. Supported audit, compliance and ISO 27001-related operational processes including access management, logging, CMDB and asset management, documentation, incident follow-up and controlled changes. Contributed to operations and improvements during the transition from on-premises services to Azure cloud environments.