Senior Active Directory Engineer in London

Senior Active Directory Engineer in London

London Full-Time 45000 - 55000 € / year (est.) No home office possible
LA International

At a Glance

  • Tasks: Review and enhance Active Directory policies while collaborating with stakeholders.
  • Company: Join a world-leading organisation committed to your success and development.
  • Benefits: Competitive daily rate, hybrid work model, and supportive environment.
  • Other info: Inclusive workplace welcoming diverse applicants and offering excellent career growth.
  • Why this job: Make a real impact in a progressive company while working with cutting-edge technology.
  • Qualifications: Deep experience with Microsoft Active Directory and strong design skills.

The predicted salary is between 45000 - 55000 € per year.

6 Month contract initially

Based: Hybrid, 4 days p/w onsite in London

Rate - £450 - £550 p/d via Umbrella

We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference.

Key Responsibilities

  • Review existing AD tiering policies and progress completed to date in collaboration with customer's stakeholders
  • Finalise inventory and scope of remaining tiering-related activities
  • Validate business and application ownership and confirm alignment with the AD tiering model
  • Assess cross-tier system dependencies and associated risks
  • Review and remediate service accounts and scheduled tasks
  • Finalise technical configurations, deployment activities, risks, and mitigation plans
  • Implement changes to server objects, Active Directory groups, and user configurations
  • Validate functionality and access post-change

Key Skills & Experience

  • Deep hands on experience with Microsoft Active Directory
  • Strong understanding of AD architecture, including forests, domains, trusts, sites, and replication
  • Practical experience managing large, complex, enterprise AD environments
  • Ability to operate confidently at both design and implementation levels
  • Active Directory architecture and design expertise
  • Experience reviewing and defining AD target state architectures
  • Clear understanding of how AD design decisions impact security, operations, and scalability
  • Strong knowledge of identity, authentication, and authorization flows
  • AD Tiering and security model expertise
  • Proven understanding of AD Tiering concepts (Tier 0, Tier 1, Tier 2)
  • Ability to assess environments for tiering misalignment and security risk
  • Experience designing and implementing tier aware access models, including: Privileged access segregation, Admin role separation, Secure administrative workstations (SAWs) or equivalent concepts
  • Organisational Unit (OU) structure design and analysis
  • Experience designing, rationalising, and refactoring OU structures
  • Strong understanding of OU based: Delegation models, Group Policy inheritance, Administrative boundaries
  • Ability to assess the operational and security impact of OU changes
  • Roles, delegation, and administrative model understanding
  • Strong knowledge of AD roles, permissions, and delegated administration
  • Ability to analyse existing role assignments, identify excessive privilege, and recommend remediation
  • Experience assessing and mitigating risks associated with: Domain Admin usage, Delegated OU permissions, Service accounts and scheduled tasks
  • Gap analysis & assessment capability
  • Ability to conduct structured gap analysis between: Current state environment, Target state architecture and security standards
  • Comfortable reviewing and analysing: Existing configurations, Operational practices & Security controls and exceptions
  • Capable of producing clear findings, risks, and recommendations

Desirable skills/knowledge/experience

  • Translate technical findings into clear recommendations for both technical and non‑technical stakeholders
  • Exposure to identity governance tools or controlled AD administration solutions (e.g. Active Roles, PAM/PIM tools)
  • Understand the business and application impact of AD changes
  • Work collaboratively with security, infrastructure, and application teams
  • Produce implementation‑ready designs, runbooks, and remediation plans
  • Strong Communication skills to articulate and understand customer requirements
  • Understanding of Azure Entra for the On‑prem to Cloud AD object synchronisation
  • Hands on experience working with Collaborative tools Like Jira, Kanban, Azure Dev for updating the tasks
  • Knowledge of ITSM process and tool BMC remedy for logging and updating changes

Inclusivity Statement

We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.

Senior Active Directory Engineer in London employer: LA International

Join a world-leading organisation as a Senior Active Directory Engineer, where you will thrive in a supportive and progressive work environment. With a strong focus on employee development and inclusivity, this hybrid role based in London offers the opportunity to make a significant impact while collaborating with diverse teams. Enjoy competitive rates and the chance to work on complex enterprise AD environments, all while being part of a culture that values your contributions and fosters growth.

LA International

Contact Detail:

LA International Recruiting Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Active Directory Engineer in London

Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and engage on platforms like LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.

Tip Number 2

Prepare for interviews by practising common questions related to Active Directory. We recommend setting up mock interviews with friends or using online resources to get comfortable discussing your experience and skills.

Tip Number 3

Showcase your expertise! Create a portfolio or a GitHub repository where you can demonstrate your projects and achievements in AD management. This gives potential employers a tangible look at what you can bring to the table.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!

We think you need these skills to ace Senior Active Directory Engineer in London

Microsoft Active Directory
AD architecture
Enterprise AD management
AD Tiering concepts
Privileged access segregation
Organisational Unit (OU) structure design
Group Policy inheritance

Some tips for your application 🫡

Tailor Your CV:Make sure your CV is tailored to the Senior Active Directory Engineer role. Highlight your hands-on experience with Microsoft Active Directory and any relevant projects you've worked on. We want to see how your skills align with what we're looking for!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about this role and how your experience makes you the perfect fit. Don’t forget to mention any specific AD tiering expertise you have – we love that stuff!

Showcase Your Problem-Solving Skills:In your application, give examples of how you've tackled challenges in previous roles, especially related to AD architecture and security. We’re keen to see how you approach problem-solving and risk assessment in complex environments.

Apply Through Our Website:We encourage you to apply through our website for a smoother process. It helps us keep track of applications and ensures you don’t miss out on any important updates. Plus, it’s super easy to do!

How to prepare for a job interview at LA International

Know Your Active Directory Inside Out

Make sure you brush up on your knowledge of Microsoft Active Directory, especially its architecture and tiering concepts. Be ready to discuss your hands-on experience with complex AD environments and how you've managed them in the past.

Prepare for Technical Questions

Expect technical questions that dive deep into AD configurations, security models, and role assignments. Practise explaining your thought process when assessing risks and making design decisions, as this will showcase your expertise.

Showcase Your Communication Skills

Since you'll need to translate technical findings to non-technical stakeholders, prepare examples of how you've done this before. Clear communication is key, so think about how you can articulate complex ideas simply and effectively.

Familiarise Yourself with Tools and Processes

Get comfortable with tools like Jira, Azure Dev, and ITSM processes. Being able to discuss your experience with these tools will demonstrate your readiness to integrate into their workflow and hit the ground running.