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Senior IT Infrastructure Engineer

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Onsite

Senior IT Infrastructure Engineer

Nasuni

Senior IT Infrastructure Engineer

Skills

AIAWSSystem & Network AdministrationProcess ImprovementComplianceTerraformAzure

2 months ago

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Important information


Contract type:

Permanent

Location:

London, UK

Work mode:

Onsite

Published on:

13 August 2026

What they need


  • Nasuni is looking for a Senior IT Infrastructure Engineer to help design, operate, secure, and optimize our cloud infrastructure across AWS, Azure, and SaaS platforms
  • This role is ideal for a hands-on cloud engineer who enjoys building reliable systems, improving governance, automating repeatable work, and partnering with Security, Engineering, IT Operations, Finance, and Procurement to support a scalable global business
  • You will help ensure Nasuni’s cloud environments are secure, well-governed, cost-aware, and operationally resilient
  • Your work will directly improve business agility by reducing manual effort, strengthening identity and access controls, improving visibility into cloud resources, and helping teams deliver faster and more reliable services
  • This role is for someone who has owned meaningful cloud infrastructure outcomes in production environments
  • It is not a fit for someone whose experience is limited to basic system administration, ticket routing, or cloud exposure without hands-on implementation
  • This is a senior individual contributor role with independent ownership of cloud infrastructure delivery, operational improvement, and technical escalation
  • You will make practical technical decisions within established Security and IT standards, recommend improvements to governance and automation, and collaborate with cross-functional stakeholders to execute cloud initiatives
  • The role balances hands-on delivery with process improvement, documentation, mentoring, and operational leadership
  • Design, deploy, and maintain secure, scalable, and high-performing cloud environments across AWS, Azure, and hybrid infrastructure
  • Audit existing cloud resources and align them to best-practice configurations, tagging standards, access controls, and operational governance
  • Implement and manage IAM policies, role-based access controls, MFA enforcement, and integrations with Okta and Microsoft Entra ID/Azure AD under Security team guidance
  • Automate infrastructure provisioning, configuration, and repeatable workflows using tools such as Terraform, CloudFormation, PowerShell, Workato, or similar platforms
  • Monitor and improve cloud availability, performance, security posture, and cost efficiency through dashboards, alerts, tagging discipline, and operational reviews
  • Partner with Security on encryption, key management, network segmentation, SOC 2, ISO 27001, Zero Trust, and related cloud security initiatives
  • Collaborate with Engineering and IT Operations on migrations, SaaS/PaaS optimization, disaster recovery, and business continuity planning
  • Participate in incident response, root cause analysis, and remediation for cloud-related issues
  • Maintain architecture diagrams, runbooks, SOPs, and self-service knowledge resources that improve operational consistency
  • Use AI-enabled tools responsibly to accelerate analysis, documentation, log review, IaC drafting, and workflow improvement while validating outputs for accuracy, security, and business fit
  • Mentor junior engineers and help raise the team’s cloud automation, governance, and operational best practices
  • Expected Outcomes and Impact
  • Improved cloud governance, tagging accuracy, access control hygiene, and resource visibility
  • Reduced manual operational work through automation and reusable infrastructure patterns
  • Stronger security execution across identity, encryption, segmentation, and compliance-aligned controls
  • Better cloud spend visibility and actionable optimization recommendations
  • More reliable cloud operations through monitoring, documentation, incident response, and RCA discipline

Benefits

  • Generous paid time off
  • Comprehensive medical, dental, and vision plans
  • Retirement/pension plans
  • Professional growth opportunities and performance bonuses
  • Work/life balance with flexible schedules and locations
  • Generous employee referral bonus
  • Incentive stock options
  • Free on-site fitness center
  • Work from home
  • Flexible commuting options including bike, water shuttle, and public transportation
  • Complimentary on-site snacks and beverages
  • Stand-up desks
  • Pre-tax commuter benefits in many states
  • Pet insurance- 3+ years of hands-on experience administering enterprise AWS and Azure environments
  • 6+ years of experience in IT infrastructure, cloud infrastructure, systems engineering, or related technical operations roles
  • Hands-on experience with infrastructure-as-code or automation tools such as Terraform, CloudFormation, PowerShell, Workato, or equivalent
  • Clear documentation and communication skills for technical and cross-functional audiences
  • Strong troubleshooting skills across cloud, identity, networking, and SaaS environments
  • Experience integrating or administering Okta, Microsoft Entra ID/Azure AD, SSO, and MFA
  • Practical experience with IAM, RBAC, networking, storage, compute, monitoring, and cloud security controls
  • Experience supporting SOC 2, ISO 27001, Zero Trust, or similar compliance/security frameworks
  • Experience mentoring junior engineers or serving as a technical escalation point
  • Experience with FinOps practices, tagging policies, cost dashboards, or cloud spend optimization
  • Experience supporting disaster recovery, business continuity, or migration initiatives
  • Experience in a high-growth SaaS, private equity-backed, or global technology environment
  • Ability to build reusable automation, governance workflows, and self-service operational resources
  • Demonstrated use of AI-assisted workflows for cloud analysis, documentation, automation review, or operational efficiency with strong validation habits

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