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- Tasks: Design and manage secure multi-site Active Directory environments for a major Defence customer.
- Company: Join Centerprise International, a leading ICT supplier with over 30 years of experience.
- Benefits: Enjoy a competitive salary, 25-28 days holiday, and opportunities for professional growth.
- Why this job: Make a real impact in the Defence sector while working with cutting-edge technologies.
- Qualifications: Experience in Active Directory, Windows Server, and PowerShell scripting is essential.
- Other info: Collaborative environment with strong career development and mentorship opportunities.
The predicted salary is between 43200 - 72000 ÂŁ per year.
Basic Salary + Non-Sales Incentive
25 days holiday entitlement rising to 28 days after 5 plus years' service
Business Unit: Services
Reporting to: Head of Service Architecture & Delivery
Location/site: Caerphilly (with travel to client/Ministry of Defence sites as required)
Vetting requirements: Yes
Company Overview: Centerprise International (Ci) was established in 1983 and has over 30 years of experience delivering innovative ICT products and services. Our financial strength, broad portfolio, and record of success in government contracts make Ci one of the UK's leading ICT suppliers. We continually evolve to meet market demands, now offering Managed Services and Solution Design in addition to our own products. Ci actively attracts and develops talented individuals, providing the opportunity to build a varied career path within our group of companies. All employees learn from experienced professionals and see firstâhand how a thriving privatelyâowned business operates.
Role Description: We are delivering a secure, onâpremise, multiâdomain virtualised infrastructure for a major Defence customer. This includes directory and identity services, Windows infrastructure, core authentication components, and platform services that underpin operational and missionâcritical systems. As a Senior Infrastructure & Directory Services Engineer, you will focus primarily on Active Directory, identity, Windows Server and core infrastructure services across several security domains. You will play a key role in maintaining the integrity, security and reliability of these services, while working alongside specialists across networking, security, Linux, virtualisation, and automation. Virtualisation knowledge (VMware vSphere, vCenter, ESXi, NSXâT) is highly advantageous.
Key responsibilities:
- Architect, manage, and support multiâsite Active Directory environments
- Administer DNS, DHCP, and PKI infrastructure in secure environments
- Design and enforce Group Policy Objects (GPOs) for security and compliance
- Manage Web Application Proxy (WAP), RDS, and federation services
- Implement and maintain permissions and access control models
- Ensure compliance with MOD security standards and Secure by Design principles
- Support MOD accreditation processes and security audits (e.g., IT Health Checks, CCVAs)
- Collaborate with crossâfunctional teams (Security, Cloud, Virtualisation, Networking)
- Participate in Change Advisory Boards (CAB) and technical design reviews
- Maintain domain documentation, diagrams, and CMDB records
- Drive innovation through evaluation of emerging identity technologies
- Act as a senior escalation point for directory and infrastructure issues
- Work closely with specialists in networking, virtualisation, Linux, security, and automation
- Monitor domain performance and security using tools like Splunk and PowerShell
- Automate routine tasks and operational workflows using PowerShell (essential); familiarity with Ansible is desirable
- Maintain operational scripts, work instructions, and associated documentation
Experience and Skills:
- Multiâsite Active Directory design and support
- Windows Server, DNS, DHCP
- Group Policy management and troubleshooting
- PKI and certificate services
- Web Application Proxy and RDS
- Secure access and permissions management
- PowerShell scripting and automation
- ITILâbased service management
- Experience working in secure or regulated environments (Defence, Government, critical national infrastructure, etc.)
- Strong diagnostic skills across authentication, domain services, Windows Server and multiâsite infrastructure
- Defence sector experience (MOD, JSP, ISO 27001)
- Microsoft Certified: Identity and Access Administrator
- Experience with VMware technologies (vSphere, vCenter, ESXi)
- Awareness of NSXâT or virtualised networking
- Understanding of monitoring/logging concepts (e.g., SIEM fundamentals, event correlation, alerting)
- Experience with Ansible or other automation/orchestration tools
- Familiarity with Linux/Unix integration with AD
- General understanding of secure WAN technologies (BGP/MPLS/VPN) helpful
- Existing SC or DV clearance
Company Profile:
- Communication Skills: Clear, concise, and professional communication with technical and nonâtechnical stakeholders
- Drive for Results: Strong ownership and accountability for delivering highâquality outcomes
- Problem Solving: Analytical and methodical approach to diagnosing and resolving complex issues
- Leadership & Collaboration: Ability to lead technical discussions, mentor peers, and work crossâfunctionally
- CustomerâCentric: Ensure customer satisfaction is our number one priority
- Commitment: Be true to your work and go the extra mile to deliver on your promise
- Courage To Challenge: Have the strength to make a difference and don't be afraid to constructively challenge the status quo
- Succeed: Be innovative and do all that is reasonable to deliver a positive outcome
- Dedication: Giving your time and energy in the best interests of the Company
Education/Qualifications/Specific training:
- Microsoft Certified: Identity and Access Administrator Associate (or equivalent)
- ITIL v4 Foundation or higher
- Degree in Computer Science, Information Systems, or equivalent experience
Senior Infrastructure & Directory Services Engineer in Caerphilly employer: CENTERPRISE INTERNATIONAL LIMITED
Contact Detail:
CENTERPRISE INTERNATIONAL LIMITED Recruiting Team
StudySmarter Expert Advice đ¤Ť
We think this is how you could land Senior Infrastructure & Directory Services Engineer in Caerphilly
â¨Tip Number 1
Network like a pro! Get out there and connect with people in the industry. Attend meetups, conferences, or even online webinars. You never know who might have the inside scoop on job openings or can put in a good word for you.
â¨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects and achievements. This is especially important for technical roles like Senior Infrastructure & Directory Services Engineer, where practical experience speaks volumes.
â¨Tip Number 3
Prepare for interviews by practising common questions and scenarios related to Active Directory and infrastructure management. We recommend doing mock interviews with friends or using online platforms to get comfortable with the process.
â¨Tip Number 4
Donât forget to apply through our website! Itâs the best way to ensure your application gets seen by the right people. Plus, it shows youâre genuinely interested in joining our team at Centerprise International.
We think you need these skills to ace Senior Infrastructure & Directory Services Engineer in Caerphilly
Some tips for your application đŤĄ
Tailor Your CV: Make sure your CV is tailored to the Senior Infrastructure & Directory Services Engineer role. Highlight your experience with Active Directory, Windows Server, and any relevant certifications. We want to see how your skills match 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 background makes you a perfect fit. Donât forget to mention your experience in secure environments and any relevant projects you've worked on.
Showcase Your Technical Skills: We love seeing technical skills in action! Be sure to include specific examples of your work with DNS, DHCP, and PowerShell scripting. If you've automated tasks or improved processes, let us know how you did it!
Apply Through Our Website: We encourage you to apply directly through our website. Itâs the best way for us to receive your application and ensures youâre considered for the role. Plus, it shows youâre keen on joining our team at Centerprise International!
How to prepare for a job interview at CENTERPRISE INTERNATIONAL LIMITED
â¨Know Your Tech Inside Out
Make sure you brush up on your knowledge of Active Directory, Windows Server, and the various infrastructure services mentioned in the job description. Be ready to discuss your experience with multi-site environments and how you've managed DNS, DHCP, and PKI in secure settings.
â¨Showcase Your Problem-Solving Skills
Prepare to share specific examples of complex issues you've diagnosed and resolved in previous roles. Highlight your analytical approach and how youâve collaborated with cross-functional teams to achieve successful outcomes.
â¨Demonstrate Your Automation Know-How
Since PowerShell scripting is essential for this role, be ready to talk about your experience automating tasks and workflows. If you have familiarity with Ansible or other orchestration tools, make sure to mention that too!
â¨Communicate Clearly and Confidently
Practice articulating your thoughts clearly, especially when discussing technical concepts. Remember, you'll need to communicate effectively with both technical and non-technical stakeholders, so being concise and professional is key.