Join to apply for the Senior Infrastructure Engineer role at Sopra Steria
Join a brand-new team shaping the future of Defence and Space. We’re embarking on a transformative integration project that will redefine infrastructure across the Aerospace and Defence sector. This is not just another engineering role – it’s an opportunity to be part of a high‑profile programme with strategic importance and long‑term impact.
You’ll play a key role in building a new, fully functional domain from the ground up, ensuring secure, scalable, and compliant Identity and Access Management (IAM) solutions. Working within a large, collaborative infrastructure team spread across multiple client sites, you’ll tackle complex challenges, implement cutting‑edge technologies, and contribute to a project that underpins mission‑critical operations.
You will be office‑based at one of our sites in Stevenage, Portsmouth, or Newport, with some flexibility to work from home.
What you’ll be doing
* Implement IAM Design – Deliver a pre‑approved IAM architecture that meets security, scalability, and compliance standards for Defence and Space.
* Build and Configure Domains – Create a new domain from scratch, including directory services, trust relationships, group policies, and secure authentication.
* Integrate Systems – Ensure IAM components work seamlessly with existing infrastructure and third‑party systems.
* Apply Security & Compliance – Enforce Defence‑grade security controls aligned with regulatory frameworks.
* Automate & Harden Infrastructure – Develop scripts and workflows for provisioning and monitoring IAM services; strengthen systems against vulnerabilities.
* Collaborate with Stakeholders – Work with internal teams, vendors, and client stakeholders to ensure smooth delivery and clear communication.
* Document & Transfer Knowledge – Produce technical documentation and handover materials for long‑term maintenance.
* Troubleshoot & Optimise – Resolve infrastructure issues, improve performance, and monitor IAM services for resilience before launch.
What you’ll bring
* Proven experience as an IAM/IDAM Engineer.
* Strong knowledge of Microsoft Active Directory (Enterprise/Multi‑Forest), Group Policy (GPO), and DNS.
* Expertise with Microsoft Exchange (2010/2016), including Exchange CUs and monitoring.
* Understanding of FIM/MIM and Single Sign‑On/PKI.
* Experience with Mail AV/SPAM solutions (e.g., Trend IMSVA).
* Proficiency in PowerShell scripting and reporting.
* Hands‑on experience with Windows Server OS (2012–2025) and VMware/virtualised environments.
* Knowledge of Enterprise Vault and Domain Controller installations/migrations.
It would be great if you had
* MECM (SCCM) and related configuration tools.
* Email security and routing (Postfix/Sendmail, Cisco IronPorts).
* Microsoft Certifications (MCP, MCITP, MCSE, MCSA, MCTS).
* Federation technologies (PingFederate).
* ITIL qualification.
If you are interested in this role but not sure if your skills and experience are exactly what we’re looking for, please do apply – we’d love to hear from you!
Employment Type: Full‑time, Permanent
Location: Stevenage, Portsmouth & Newport
Security Clearance Level: Must be eligible for SC
Salary: £60K
Benefits: 25 days annual leave with the choice to buy additional days, health cash plan, life assurance, pension, and generous flexible benefits fund.
Sopra Steria is committed to equality of opportunity for all and does not discriminate on the basis of race, religion, colour, gender, age, disability, sexual orientation or marital status. We also participate in the Disability Confident scheme and offer interview opportunities to candidates with disabilities meeting the minimum criteria for the role.
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