Senior Infrastructure Engineer

alter Domus

$100K — $130K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in IT, Computer Science, or related field.
  • 7+ years of enterprise infrastructure engineering experience.
  • Proven experience in production-critical environments.
  • Strong expertise in VMware virtualization technologies.
  • Hands-on experience with Dell PowerFlex and Zerto environments.
  • Solid knowledge of cloud platforms like Azure and AWS.
  • Previous Level 3 support experience in enterprise IT operations.

Responsibilities

  • Design and optimize enterprise virtualization environments using VMware.
  • Manage VMware vSphere, ESXi, vCenter, and virtual networking.
  • Conduct infrastructure capacity planning and performance tuning.
  • Lead hypervisor upgrades, migrations, and disaster recovery efforts.
  • Ensure infrastructure high availability and resilience.
  • Implement security standards and compliance measures.
  • Mentor junior engineers and provide technical leadership.

Benefits

  • Support for professional accreditations.
  • Flexible working arrangements and generous holidays, plus an additional day off for your birthday.
  • Continuous mentoring for career progression.
  • Active sports and social committees across offices.
  • 24/7 support from the Employee Assistance Program.
  • Opportunity to invest in the company's growth through the Employee Share Plan.
  • Additional local benefits depending on location.
Full Job Description
JOB DESCRIPTION:

We are looking for a Senior Infrastructure Engineer to join the Global IT Operations team. The role involves deep expertise in virtualization platforms, Linux systems administration, and enterprise infrastructure operations.

Your Role:

  • Design, deploy, administer, and optimize enterprise virtualization environments based on VMware technologies.
  • Manage and maintain VMware vSphere, ESXi, vCenter, HA/DRS clusters, and virtual networking.
  • Perform infrastructure capacity planning, performance tuning, and lifecycle management.
  • Lead hypervisor upgrades, migrations, patching, and disaster recovery activities.
  • Ensure high availability, resilience, and business continuity across infrastructure platforms.
  • Administer and support Microsoft Windows Server environments.
  • Design, implement, and maintain Windows Failover Clustering solutions.
  • Administer and support enterprise Linux environments
  • Troubleshoot advanced OS, kernel, storage, networking, and performance issues.
  • Implement security hardening, patch management, and compliance standards.
  • Maintain and improve system automation and operational tooling.
  • Serve as Level 3 escalation support for critical infrastructure incidents.
  • Conduct root cause analysis and implement corrective and preventive actions.
  • Resolve complex issues across virtualization, Linux, Windows, clustering, storage, replication, and networking domains.
  • Create and maintain technical documentation and operational procedures.
  • Improve infrastructure monitoring, alerting, and observability capabilities.
  • Work closely with infrastructure, network, security, cloud, and application teams.
  • Provide technical leadership and mentoring to junior engineers.
  • Participate in architecture reviews and infrastructure strategy discussions.
  • Ensure compliance with IT security policies, standards, and operational procedures.


Your Profile:

  • Bachelor's degree in Information Technology, Computer Science, or equivalent experience.
  • 7+ years of experience in enterprise infrastructure engineering.
  • Proven experience supporting production-critical environments.
  • Strong experience in Virtualization platform (vmWare)
  • Solid Knowledge in other Virtualization platforms.
  • Experience in multi-site, hybrid, or highly available infrastructures.
  • Hands-on experience with Dell PowerFlex and Zerto environments.
  • Strong experience with Windows Failover Clustering
  • Strong experience in Linux administration
  • Previous Level 3 support experience in enterprise IT operations.
  • Solid knowledge with cloud platforms such as Azure and AWS
  • Scripting and Automation knowledge using PowerShell / Shell
  • Good understanding of networking concepts
  • Strong troubleshooting and analytical skills
  • Experience supporting Disaster Recovery and data protection strategies
  • Ability to work in a global, collaborative environment
  • Excellent communication and proactive problem-solving skills


WHAT WE OFFER:

We are committed to supporting your development, advancing your career, and providing benefits that matter to you.

Our industry-leading Alter Domus Academy offers six learning zones for every stage of your career, with resources tailored to your ambitions and resources from LinkedIn Learning.

Our global benefits also include:
  • Support for professional accreditations
  • Flexible arrangements, generous holidays, plus an additional day off for your birthday!
  • Continuous mentoring along your career progression
  • Active sports, events and social committees across our offices
  • 24/7 support available from our Employee Assistance Program
  • The opportunity to invest in our growth and success through our Employee Share Plan
  • Plus additional local benefits depending on your location


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