Description
We are seeking a Principal Engineer, IAM Directory Services to lead workstreams within IAM Directory Services and act as a subject matter expert for the capability.
This is an individual contributor engineering role carrying build and design authority across enterprise directory services, Linux authentication, secure application development and automation.
The successful candidate will lead assigned workstreams from definition through delivery, act as a subject matter expert for the capability, mentor colleagues, own the technical design and build of assigned components end to end, and set engineering standards for the team.
Key responsibilities include:
- Leading key activities to progress your career
- Acting as a subject matter expert for the capability and advising stakeholders across GSK
- Mentoring colleagues and reviewing their technical or analytical work
- Owning the technical design and build of assigned components end to end
- Working with business partners across IT and OT to advise on secure integration practices
- Setting engineering standards for the team and reviewing code and configuration against them
- Developing and maintaining secure applications, services and automation using C#, .NET, PowerShell and APIs
- Owning the design, health and security of GSK's directory estate across Active Directory and Entra ID
- Managing directory synchronisation, identity data flow and attribute consistency across the estate
- Designing, engineering and supporting Linux authentication and privileged access
- Hardening the directory estate, including tiering, privileged group control and legacy protocol reduction
- Owning the governance of directory delegation rights
- Managing domain, forest and tenant architecture, including trusts and migration activity
- Operating directory monitoring, backup and recovery, and proving recovery works
- Supporting directory-related incident response and forensics
- Maintaining directory standards, schema governance and integration patterns
Basic qualifications:
- Degree in a relevant discipline, or related experience
- Demonstrated experience in Active Directory and Entra ID engineering
- Practical experience integrating Linux platforms with enterprise directory services
- Working knowledge of directory synchronisation and identity data management
- Application development and automation experience using C#, .NET, PowerShell and APIs
- Experience with source code lifecycle management solutions such as Git
- Practical experience with directory hardening and recovery
- Detailed understanding of directory delegation models, access control entries, inheritance and effective permissions
- Strong practical experience in the relevant cyber security domain
- Proven experience leading workstreams and delivering high-quality outcomes
- Ability to act as a subject matter expert and advise stakeholders confidently
- Strong written and verbal communication skills
Preferred qualifications:
- Deep hands-on experience with Centrify or comparable products for Linux authentication
- Experience designing delegated administration models and using directory permissions analysis
- Scripting skill in PowerShell
- Strong C#/.NET engineering capability and experience building maintainable automation
- Experience with directory migration or consolidation programmes
- Relevant certification such as CISSP, SC-300, Microsoft identity and access certifications
- Experience in pharmaceutical, life sciences or another highly regulated industry