Virtualization Engineer
- 🇬🇧 United Kingdom | 🇺🇸 United States
- On-site
- Mid level
- 6 hours ago
- VMware
- Citrix
- Network Security
- Change Management
- ITIL
- Windows Server
- Active Directory
- DNS
- Incident Management
- PowerShell
- Group Policy
- Health insurance
- Pension
About Corserva, Inc.
Corserva is a leading U.S.-based IT managed service provider that delivers secure, scalable, and high-performance technology solutions to enterprise clients across various industries. Focusing on innovation and excellence, we empower our clients to achieve their business objectives through reliable IT infrastructure and services. Our flagship offering, the Corserva 360 IT management platform, exemplifies our commitment to comprehensive, cutting-edge IT solutions.
Virtualization Engineer – VMware & Citrix
Position Summary
We are seeking an experienced Virtualization Engineer to support and administer enterprise VMware, Citrix, and related infrastructure environments. This position is responsible for maintaining the reliability, performance, scalability, and security of business-critical virtual infrastructure and applications.
The Virtualization Engineer will provide hands-on operational support acrossVMware vSphere/ESXi and Citrix environments, including system administration, monitoring, troubleshooting, upgrades, migrations, performance optimization, and incident resolution.
The ideal candidate has strong experience supporting large-scale enterprise environments and is comfortable troubleshooting complex infrastructure and application delivery issues. This position will also participate in anon-call rotation supporting critical production systems.
Key Responsibilities
VMware & Virtualization Administration
- Administer and supportVMware vSphere, ESXi, and vCenter environments.
- Provision, configure, maintain, and optimize virtual machines and supporting infrastructure.
- PerformvMotion and Storage vMotion operations to balance workloads and maintain system availability.
- Monitor virtual infrastructure capacity, utilization, availability, and performance.
- Identify resource constraints and performance bottlenecks and implement appropriate corrective actions.
- Perform VMware upgrades, patching, migrations, hardware refreshes, and lifecycle management activities.
- Support virtual infrastructure expansion, consolidation, and decommissioning projects.
- Troubleshoot complex VMware, host, storage, networking, and virtual machine issues.
- Participate in capacity planning and make recommendations regarding infrastructure resources and future requirements.
Citrix Administration
- Administer and support enterpriseCitrix XenApp / Virtual Apps and Desktops environments.
- Manage Citrix farms/sites, published applications, policies, user environments, and associated infrastructure.
- Publish and maintain applications and ensure reliable application delivery to end users.
- Install, configure, patch, and upgrade Citrix components and supporting technologies.
- Monitor Citrix environments usingControlUp, Citrix Director, and/or similar monitoring tools.
- Analyze session performance, resource utilization, application responsiveness, and user experience.
- Troubleshoot complex user access, authentication, session, profile, and application performance issues.
- Conduct root-cause analysis and implement permanent corrective solutions for recurring problems.
- Maintain Citrix configurations and policies in accordance with enterprise security and operational standards.
Infrastructure Operations & Support
- Respond to infrastructure incidents, service requests, problems, and planned changes through established ticketing and escalation processes.
- Monitor infrastructure health and proactively identify potential availability or performance issues.
- Troubleshoot and resolve production-impacting incidents while meeting established SLA requirements.
- Coordinate with server, storage, network, security, application, and other infrastructure teams to resolve complex technical issues.
- Participate in structuredchange management processes for production infrastructure.
- Perform system upgrades, migrations, maintenance, and decommissioning activities with appropriate testing and rollback procedures.
- Participate in a24x7 on-call rotation for high-severity and production-impacting incidents.
- Support scheduled maintenance activities that may occasionally occur outside normal business hours.
Documentation & Process Improvement
- Create and maintain detailed technical documentation, includingrunbooks, standard operating procedures (SOPs), system configurations, troubleshooting procedures, and knowledge-base articles.
- Document incident resolutions and root-cause findings to improve future troubleshooting and operational efficiency.
- Identify opportunities to automate repetitive infrastructure administration and support activities.
- Follow ITIL-based incident, problem, request, and change management practices.
Required Qualifications
- 5+ years of experience supporting enterprise virtualization and infrastructure environments.
- Strong hands-on experience withVMware vSphere, ESXi, and vCenter.
- Strong experience administeringCitrix XenApp and/or Citrix Virtual Apps and Desktops.
- Experience with VMware technologies includingvMotion and Storage vMotion.
- Experience administering and troubleshooting Windows Server environments.
- Experience monitoring and troubleshooting virtual infrastructure performance and capacity.
- Strong understanding of virtualization concepts, storage, networking, Active Directory, DNS, and enterprise infrastructure dependencies.
- Experience performing infrastructure upgrades, migrations, patching, and lifecycle management.
- Experience troubleshooting complex production issues and performing root-cause analysis.
- Experience working within enterprise ticketing, incident management, and change management processes.
- Ability to create clear technical documentation, SOPs, and operational runbooks.
- Ability to work independently while collaborating effectively with infrastructure, application, networking, security, and support teams.
- Ability to participate in an after-hours/on-call support rotation.
Preferred Qualifications
- Experience withControlUp or comparable infrastructure and Citrix monitoring platforms.
- VMware certifications such asVMware Certified Professional (VCP).
- Citrix certifications or equivalent demonstrated Citrix administration experience.
- Experience supporting highly available, large-scale enterprise production environments.
- Experience with infrastructure automation and scripting usingPowerShell or similar technologies.
- Familiarity with ITIL service management practices.
- Experience working with hybrid infrastructure environments involving both on-premises and cloud-based technologies.
Skills & Competencies
- VMware vSphere / ESXi / vCenter
- Citrix XenApp / Virtual Apps and Desktops
- vMotion / Storage vMotion
- ControlUp / Citrix Director
- Windows Server
- Active Directory / Group Policy
- Virtual infrastructure monitoring and performance optimization
- Infrastructure troubleshooting and root-cause analysis
- Server, storage, and networking fundamentals
- PowerShell / automation
- Incident and change management
- Technical documentation and runbook development
Why Join Corserva?
- Opportunity to work with cutting-edge IT solutions and services.
- Collaborative and supportive team environment focused on professional growth.
- Comprehensive benefits package, including health insurance, 401(k), and paid time off.
- Access to ongoing training and development resources.
Application Process
Interested candidates are encouraged to submit their resumes and cover letters detailing their relevant experience and qualifications. Corserva is an equal opportunity employer committed to diversity and inclusion in the workplace.
Virtualization Engineer · Corserva, Inc.