SC/DV Cleared Senior Infrastructure Engineer
Location: London - 2-3 days per week onsite
Rate: Up to £625 per day, Outside IR35
Contract Length: 6 months
Clearance : Active SC or DV Clearance required
I’m looking for an experienced, security-focussed SeniorInfrastructure Engineer to design, implement and support secure Microsoft infrastructure across complex enterprise environments.
This is a hands-on role focused on Microsoft infrastructure, identity, security, automation and operational support , with involvement across the full lifecycle of technical projects.
Key Skills & Experience
- Extensive Active Directory experience, including domains, trusts and identity management
- Strong experience with PKI and certificate services
- Hands-on PowerShell and Ansible automation experience
- Experience designing and supporting secure Microsoft infrastructure services
- Knowledge of identity, authentication and privileged access management (PAM)
- Experience with security monitoring, SIEM and logging
- Experience supporting Exchange / Exchange Online, DNS and core infrastructure services
- Strong troubleshooting skills across infrastructure and security environments
- Experience producing technical documentation, implementation plans and operational procedures
- Experience working through the full project lifecycle, from requirements and design through to implementation and transition into service
Highly Desirable Experience
- Python and automation/tooling development
- CyberArk or other PAM technologies
- DLP and security hardening
- SMTP, HTTP/HTTPS, DNS and proxy services
- Experience working within regulated, public sector or security-conscious environments
This opportunity would suit an experienced infrastructure or security professional who enjoys working across Microsoft technologies, automation and secure enterprise environments, while engaging with both technical teams and stakeholders.
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SC/DV Senior Infrastructure Engineer in London employer: IO Associates
Join a leading engineering organisation that values innovation and excellence, offering a dynamic work culture where your contributions directly impact high-performance solutions in safety-critical environments. With a strong focus on employee growth, you will have the opportunity to mentor fellow engineers and shape technical direction while working in an Agile/SAFe environment. Located in the UK, this role provides a unique chance to be part of cutting-edge projects in defence, aerospace, and industrial technology, ensuring a rewarding and meaningful career path.
