Infrastructure Engineer - L3 in London

For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world’s most highly regulated firms, giving them greater visibility and control over their information and ensuring compliance with stringent regulations.

Global Relay is a career-building company. A place for big ideas, new challenges, and groundbreaking innovation. It’s a place where you can genuinely make an impact – and be recognized for it. We believe great businesses thrive on diversity, inclusion, and the contributions of all employees. To that end, we recruit candidates from different backgrounds and foster a work environment that encourages employees to collaborate and learn from each other, completely free of barriers.

We are seeking a skilled and motivated Senior Infrastructure Engineer to join our dynamic IT infrastructure team. The successful candidate will be responsible for designing, deploying, and optimizing cloud-based solutions across hybrid environments. You’ll play a key role in ensuring system reliability, scalability, and performance by leveraging automation, modern cloud architecture, and best practices.

Your Job:

• Design and implement cloud infrastructure solutions across Azure and hybrid on-premises environments.
• Develop and maintain Infrastructure-as-Code templates and automation scripts using tools such as PowerShell, ARM, Bicep, or Terraform.
• Implement security practices such as identity management, access control (RBAC) and PKI.
• Configure settings on Azure using Azure Policy.
• Deploy and manage Azure Landing Zones.
• Assist in the integration of on-prem workloads with the cloud services using best practices for scalability and security.
• Monitor cloud resources and services to ensure high availability and performance.
• Configure SSO and set up identity management using SAML, OIDC and Enterprise Applications.
• Collaborate with network engineers to configure secure connectivity (VPNs, ExpressRoute, Private Link, etc.).
• Support DevOps teams with CI/CD pipeline implementation and integration with DevOps tools.
• Troubleshoot cloud-related incidents and perform root cause analysis.
• Maintain documentation of environments, configurations, and standard operating procedures.
• Stay up to date with emerging cloud technologies and compliance frameworks (e.g., ISO 27001, NIST, CSF).
• Subject Matter Expert for the design of on-premises and cloud-based Microsoft technologies, primarily Active Directory, Exchange hybrid, Azure and SQL.
• Escalation point for complex issues with DNS, GPOs, DHCP, File Services & Federation Services.
• Design and implement new processes and procedures to improve the environment and reduce technical debt.
• Contribute to roadmaps to ensure clear direction whilst factoring in existing technological investments and the impact of change.

About You:

• 10+ years’ experience in infrastructure Operations/Engineering, including 5+ years of direct experience with design and implementation of on-premises and cloud Microsoft technologies.
• Hands-on experience with Microsoft Azure services (VMs, Storage, Networking, Identity, Automation).
• Advanced scripting skills in PowerShell and Infrastructure-as-Code tools (Terraform, ARM, Bicep).
• Understanding of hybrid cloud architectures and secure mail transport using Exchange Hybrid setups.
• Knowledge of authentication protocols (SAML & OpenID Connect).
• Ability to troubleshoot complex issues across networking, certificates, authentication, and compliance.
• Security first mindset: ensure all changes proposed and deployed provide a reasonable level of security based on the requirements and the data involved.
• Exposure to Zero Trust architecture principles.
• Experience with Azure networking, Azure Firewall, Front Door, and DNS management.
• Experience with containerization (AKS, Helm) and CI/CD integration.
• Experience with monitoring and logging tools (Azure Monitor, Log Analytics, Event Viewer).
• Demonstrated ability to work both collaboratively in a team environment as well as independently in an effective and organized manner in a complex and challenging environment.
• Comfortable working under pressure in a fast-paced environment.
• Excellent interpersonal and communication skills in both verbal and written English.
• Strong organization skills and initiatives.
• Experienced with troubleshooting & resolving complex technical problems, writing root cause analysis reports and documenting processes and procedures.
• Ability to analyze system usage and plan for growth and increases in system capacity.
• Ability to assess the need for any system redesign (minor or significant).
• Azure Solutions Architect (AZ-305) and/or Cybersecurity Architect SC-100.
• Bachelor’s degree in computer science, Information Technology, or related field, or equivalent work experience.

At Global Relay, there’s no ceiling to what you can achieve. It’s the land of opportunity for the energetic, the intelligent, the driven. You’ll receive the mentoring, coaching, and support you need to reach your career goals. You’ll be part of a culture that breeds creativity and rewards perseverance and hard work. And you’ll be working alongside smart, talented individuals from diverse backgrounds, with complementary knowledge and skills.

Global Relay is an equal-opportunity employer committed to diversity, equity, and inclusion. We seek to ensure reasonable adjustments, accommodations, and personal time are tailored to meet the unique needs of every individual.