Save time and effort sourcing top tech talent
.jpg){kind=logo}
hackajob is partnering with Simply Business to fill this position. Create a profile to be automatically considered for this role—and others that match your experience.
Location: London or Northampton (Hybrid - 2 days a week in the office)
We're looking for a highly skilled and motivated Senior IT Infrastructure Engineer to join our BizOps Infrastructure Team. In this role, you'll be a key player in managing our global, multi-site IT infrastructure, ensuring its smooth operation, and driving continuous improvement. You'll collaborate with 2 mid-level infrastructure engineers, a global Service Desk and Support team of 17, and a 20-member Information Security team. Your work will span a diverse technology stack, from end-user devices to cloud environments, with a focus on automation, security, and scalability. This is an exciting opportunity for a dynamic individual who thrives on meticulously designing IT architectural controls and standards, loves solving complex problems in a fast-paced environment, is passionate about cutting-edge technologies, and enjoys mentoring junior colleagues.
As a Senior IT Infrastructure Engineer, your responsibilities will include:
Project Leadership & Delivery:
Lead and deliver large-scale technical projects across end-user device fleets (Windows/macOS), networks, and cloud environments.
Translate complex business initiatives into actionable project plans, ensuring successful implementation in a modern cloud environment.
Manage IT and Infrastructure projects that enhance our processes, networks, device deployments, and cloud/SaaS services.
Infrastructure Management & Automation:
Oversee the day-to-day operations and maintenance of our network infrastructure, including our VMware SD-WAN, Meraki LAN, Mist WiFi, and Netskope SASE.
Support and supervise two mid-level IT infrastructure engineers, helping them grow professionally.
Drive automation and Infrastructure as Code (IaC) initiatives, leveraging tools like Terraform for configuration management and continuous integration/continuous deployment (CI/CD).
Develop and maintain helpful applications and scripts (PowerShell, Bash, Terraform and Python) to automate manual processes and improve efficiency.
Oversee the wider team’s configuration of SAML and onboarding of new applications into our Single Sign-On (SSO) and deployment platforms, ensuring process adherence and seamless user access.
Defining Solutions, Architectural Standards and Controls Ownership (Unified patching cadence across technology types):
End-User Compute (EUC) & Device Management:
Serve as an escalation point and architectural owner for all internal technology platforms.
Support the wider team’s Implementation of mass deployment and management strategies for Windows and macOS end-user devices.
Accountable for the management of the patching and updating of all end-user devices and related networks and servers.
Accountable for the standards for policies and controls across the estate of end user compute.
Security & Compliance:
Ensure industry-standard compliance and enhance security within our SaaS and PaaS cloud infrastructure.
Understand and manage corporate audits, providing evidence of controls.
Troubleshooting & Support:
Act as the final line escalation point for the most complex of IT problems, providing expert troubleshooting and root cause analysis across our entire technology platform.
Continuous Improvement:
Identify areas for automation and continuous improvement, pragmatically advocating for their prioritisation.
Maintain meticulous attention to detail when testing and deploying changes in production environments.
Review GitHub pull requests and monitor infrastructure communication channels.
Stay up-to-date with advancements and best practices in IT Infrastructure, actively proposing and implementing new technologies.
Support the leadership team with developing a strategic IT roadmap to achieve measurable time savings for the year ahead.
Experience & Technical Expertise:
5+ years of progressive and directly-relevant Infrastructure architectural level experience in a modern IT Infrastructure environment, with a strong focus on cloud-first solutions.
Familiarity with GitHub and proven experience writing and using scripts in production environments with PowerShell, Bash, Terraform or Python.
Extensive experience working in a full cloud environment, with a strong preference for SaaS.
Solid understanding of APIs and experience using them to pull information or update configurations and drive automation.
Demonstrable IaC experience with working knowledge of Terraform or Ansible and a good understanding of CI/CD pipelines.
Strong network fundamentals, including WiFi (Mist), cloud networking, Routing, VLANs, and WAN (VMware SD-WAN).
Proven experience in designing, implementing, maintaining, and supporting Identity and Access Management (IAM) solutions (e.g. Azure AD, Okta, Google Workspace).
Advanced experience with Microsoft Intune, Azure AD, and/or JAMF for mass deployment and management of Windows and macOS end-user devices as well as experience of managing complex Microsoft licensing.
Very strong proficiency in Windows, macOS, and Linux administration.
Lead the lifecycle of Privileged Access Management (PAM) solutions, including policy definition, Just-In-Time (JIT) access implementation, and proactive monitoring of privileged activity for security threats.
Project Management & Process Improvement:
Demonstrated project management and delivery experience with large-scale technical projects.
Experience improving processes and solution architecture, ideally with a focus on removing single points of failure and technology overlap.
Understanding of corporate audits and managing evidence of internal controls.
Proven project experience integrating HR/People data with IAM platforms to define access levels for connected systems.
Mindset & Approach:
Comfortable with owning and managing internal systems architecture and design
A natural problem solver who can design and implement well considered and robust solutions.
Organised, autonomous, and possesses meticulous attention to detail.
A fast and natural learner who embraces the challenge of new technologies.
A clear communicator who takes pride in process documentation and handovers.
A collaborative team player who thrives in a high-performing environment.
A passion for mentoring mid-level infrastructure engineers, supporting their learning, growth, and development.
Operating Systems: Windows, macOS, ChromeOS, Linux
Cloud: AWS, Azure and GCP
Networking: VMware SD-WAN, Mist WiFi, Meraki LAN, Netskope SASE
End-User Device Management: Microsoft Intune, JAMF, Google Workspace, Omnissa Workspace One
Identity & Access Management: Okta, Google Workspace SSO, SAML, OIDC and SCIM integrations, EntraID
Collaboration: Google Workspace, Zoom, Slack
Automation/IaC: GitHub, PowerShell, Bash, Python, Terraform
Patching: Automox, Nudge, Autopatch
People Data: Workday
ITSM: Fresh Service
hackajob is partnering with Simply Business to fill this position. Create a profile to be automatically considered for this role—and others that match your experience.