L3 Infrastructure Engineer

About us

Join us at Orange Business!We are a network and digital integrator that understands the entire value chain of the digital world, freeing our customers to focus on the strategic initiatives that shape their business.Every day, you will collaborate with a team dedicated to providing consistent, sustainable global solutions, no matter where our customers operate. With over 30,000 employees across Asia, the Americas, Africa, and Europe, we offer a dynamic environment to develop and perfect your skills in a field filled with exciting challenges and opportunities.

About the role

L3 Infrastructure Engineer / Subject Matter Expert (SME) specializing in VMware Cloud Foundation (VCF) and Dell Enterprise Hardware.

VMware Engineering & Operations 

Architecture & Design:

• Design and architect advanced VMware environments:
  • vSphere & ESXi cluster architecture and best practices
  • vCenter multi-cluster management and federation
  • vSAN (Software-Defined Storage) design and optimization
  • NSX (Network Virtualization) security policies and micro-segmentation
• Evaluate new VMware technologies and recommend adoption strategies
• Develop infrastructure standards and design documentation

Dell Hardware Lifecycle & Diagnostics

Hardware Administration:

• Administer enterprise Dell server hardware across multiple form factors:
  • PowerEdge Rack Servers (1U, 2U configurations)
  • PowerEdge Tower Servers (for edge/remote deployments)
  • Modular MX Chassis with blade server management
  • VxRail Hyperconverged Infrastructure (HCI) systems
• Manage hardware inventory, asset tracking, and lifecycle planning

Diagnostics & Troubleshooting:

• Troubleshoot hardware issues using:
  • iDRAC (Integrated Dell Remote Access Controller) for remote management
  • Lifecycle Controller for firmware updates and BIOS configuration
  • OpenManage Enterprise (OME) for centralized monitoring and alerting
  • Dell Diagnostics and hardware health monitoring tools
• Perform hardware health checks, firmware diagnostics, and performance validation
• Coordinate with Dell support for warranty claims and hardware replacement

Firmware & Configuration Management:

• Create and maintain firmware baselines across hardware generations
• Develop BIOS configuration templates for standardized deployments
• Manage firmware update cycles and patch management
• Document hardware configurations and maintain configuration baselines

Configuration & Deployment:

• Configure and deploy VMware environments:
  • ESXi host configuration, clustering, and resource management
  • vCenter Server setup, backup, and high availability
  • vSAN cluster configuration with fault domains and storage policies
  • NSX deployment including logical switches, routers, and security groups
• Implement high-availability (HA), fault tolerance (FT), and disaster recovery mechanisms
• Manage vMotion, storage vMotion, and cluster resource balancing

Automation

Automation Development:

• Drive automation-first culture across infrastructure operations
• Develop and maintain automation scripts and tools using:
  • PowerCLI for VMware vSphere automation
  • PowerShell for Windows and Dell hardware automation
  • Ansible for cross-platform orchestration and configuration management
  • Python for custom tooling, integrations, and API development
• Build self-service infrastructure provisioning workflows
• Automate routine operational tasks (patching, backups, health checks)

Infrastructure-as-Code (IaC):

• Implement Git/GitHub version control for all infrastructure code
• Develop and maintain IaC templates for:
  • Cluster deployments and configurations
  • Virtual machine provisioning
  • Network and security policies
  • Backup and disaster recovery configurations
• Establish CI/CD pipelines for infrastructure changes
• Document IaC standards and best practices

 Performance Tuning & Recovery 

Performance Optimization:

• Optimize resource allocation and utilization:
  • CPU and memory resource pools and reservations
  • Storage performance tuning and I/O optimization
  • Network bandwidth management and latency reduction
  • vSAN performance tuning and policy optimization
• Monitor performance metrics and identify bottlenecks
• Conduct capacity planning and right-sizing assessments
• Implement performance baselines and SLA monitoring

About you

Required Qualifications

Experience

• 5+ years of infrastructure engineering experience
• 3+ years of hands-on VMware vSphere administration (vCenter, ESXi, vSAN)
• 3+ years of Dell PowerEdge server administration and troubleshooting
• 2+ years of L3-level incident management and problem resolution
• 2+ years of infrastructure automation using PowerShell, Python, or Ansible

Technical Skills

Virtualization VMware vSphere, ESXi, vCenter, vSAN, NSX; HA/FT/DRS configuration Hardware Dell PowerEdge (Rack/Tower/MX), VxRail; iDRAC, Lifecycle Controller, OME Scripting PowerCLI, PowerShell, Ansible, Python Version Control Git/GitHub; CI/CD pipeline concepts Disaster Recovery SRM and/or Zerto; backup solutions (Veeam, Veritas, etc.) Storage vSAN, SSD/HDD management, storage performance tuning Networking NSX, VLAN, TCP/IP, network troubleshooting Incident Management RCA, troubleshooting methodology, escalation procedures

Certifications (Preferred)

• VMware Certified Professional

What we offer

• Global Opportunities: Work in multi-national teams with opportunity to collaborate with colleagues and customers from all over the world.• Flexible Work Environment: Flexible working hours and possibility to combine work from office and home (hybrid ways of working).• Professional Development: training programs and upskilling/re-skilling opportunities.• Career Growth: Internal growth and mobility opportunities within Orange.• Caring and Daring Culture: Health and well-being programs and benefits, diversity & inclusion initiatives, CSR and employee connect events.• Reward Programs: Employee Referral Program, Change Maker Awards.

Only your skills matter

Regardless of your age, gender identity, race, ethnic origin, religion/belief, sexual orientation, marital status, neurotype, disability, veteran status or appearance, we encourage diversity within our teams because it is a strength for the collective and a vector of innovation. Orange Group is a disabled-friendly company and equal opportunity employer: don't hesitate to tell us about your specific needs.