Lead - Capacity & Automation (SRE)

TL;DR

Lead - Capacity & Automation (SRE): You will be the accountable owner for capacity management, ensuring the VMware-based infrastructure is reliable, scalable, and cost-efficient. Focus on proactive risk management by establishing SLIs, SLOs, and error budgets for infrastructure-related reliability.

Location: Hybrid (3 days in the office) in either Birmingham / London / Manchester

Company

hirify.global was the world’s first telco and has played a critical role in creating the future.

What you will do

• Act as the single accountable owner for capacity planning, forecasting, modelling, and optimisation across the VMware-based Enterprise Cloud v3 environment.
• Translate business demand and program milestones into a prioritized backlog of features and automation, using Agile delivery practices.
• Establish SLIs, SLOs, and error budgets for infrastructure-related reliability; ensure proactive risk management.
• Build accurate short-, medium-, and long-term capacity forecasts using telemetry and scenario analysis to prevent saturation and ensure headroom.
• Reduce manual toil by creating scripts, policies, and integrations for rightsizing, placement, and quota enforcement using PowerCLI, APIs, and IaC.

Requirements

• Deep VMware Expertise – hands-on experience with vSphere, vCenter, vSAN, NSX-T, and VMware Aria Operations (vROps) for capacity analytics and optimization.
• Capacity Planning & Forecasting – ability to model demand, headroom, and growth scenarios using telemetry and data-driven methods.
• Automation & Scripting – proficiency in PowerCLI, Python, and API integrations to automate rightsizing, placement, and quota enforcement.
• Agile Delivery Skills – experience managing backlogs, writing user stories, and delivering incremental improvements through sprints and ceremonies.
• SRE Practices – strong understanding of SLIs, SLOs, error budgets, and reliability engineering principles applied to infrastructure capacity.
• Observability & Analytics – ability to design dashboards and alerts for utilization, saturation, and optimization opportunities.

Culture & Benefits

• On target 10% on target bonus
• BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
• From January 2025, equal family leave: receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate.
• Enhanced women’s health support: including help with menopause symptoms, cancer screenings, period care and more.
• 25 days annual leave (not including bank holidays), increasing with service