Identity Infrastructure Engineer
Posted 19 Aug 2026
Advertised as “Senior Identity Infrastructure Engineer”
BranchFactor Summary
The original posting with the fluff stripped out
- Management level
- Individual contributor
- Employment
- Hybrid
- Contract
- Full-time
Compensation
No salary listed for this role.
Role speciality
Authentication InfrastructureIdentity and Access Management
Useful technologies
Active DirectoryActive Directory Federation ServicesITILKerberosLDAPMicrosoftMicrosoft Azure EntraIDNTLMOAuthPowerShellRSA Authentication ManagerRSA SecurIDSAMLServiceNowWindows Hello
Division: Group Technology Services (GTS)
About the role:
You will be joining a team of talented Microsoft authentication engineer based in Brussels, Paris, and Krakow, known for their deep technical expertise and their commitment to ensuring the highest levels of stability, availability, security, and performance across our authentication related infrastructures
The team is responsible for managing and maintaining
- Active Directory authentication services across multiple forests and domains
- LDAP authentication services
- Active Directory Federation Services for seamless authentication and SSO
- Windows Hello and RSA SecurID for MFA
- Microsoft Azure EntraID and global tenant configurations
- Architecture Designs and Security baselines for our authentication infrastructures
- Maintain up-to-date documentation and participate in audits and security assessments.
Requirements:
- Proven track record in designing, managing and maintaining critical authentication infrastructures in a large and complex enterprise environment
- In-depth Active Directory expertise and troubleshooting skills.
- Good understanding of different authentications protocols (Kerberos, NTLM,SAML,OAuth,..) , certificates-based authentication
- Experience with Azure EntraID Configuration and Management
- Experience with creation and review of technical designs
- Strong PowerShell scripting knowledge and automation skills
- A good understanding of multiple infrastructure areas like Windows servers, virtualization, networking, and storage
- Preferably a first experience with federation services (ADFS), claims and metadata
- Experience with managing a RSA Authentication Manager infrastructure is considered a plus
- Familiar with ITIL concepts as incident/change/problem management and CMDB
- Experience with Agile methodology and ServiceNow are a plus
Soft skills:
- Team player with good interpersonal skills
- Good troubleshooting skills and can deliver under pressure
- You can summarize and clearly communicate complex technical issues
- Well organized, able to handle administrative tasks correctly
- Drive and energy, entrepreneurial attitude, hands-on mentality
- Customer oriented with a focus on delivering quality
- Able to learn new skills fast