WERE HIRING: Windows Unix & VM Lead Poland

Excis is a global IT support leader driven by innovation collaboration and operational excellence. We are seeking a Windows Unix & VM Lead to oversee enterprise server infrastructure operations and virtualization platforms ensuring reliability security and performance across business-critical systems.

About Excis

• Client Presence: 190 Countries
  

• Engineering Team: 6000 Engineers
  

• Enterprise Clients: 200
  

At Excis we foster an open supportive and growth-focused culture where individual achievements contribute to team success. From solving complex IT challenges to celebrating wins together our people are at the center of everything we do.

Start your journey with Excis and grow with us.

Role Overview

The Windows Unix & VM Lead is responsible for managing server operating systems and virtualization infrastructure across on-premise data centres and cloud environments.

This role ensures high availability security performance and operational efficiency of Windows Linux and AIX environments while leading initiatives related to server lifecycle management infrastructure optimization and virtualization platform support.

The role also provides technical leadership to L2 analysts and ensures alignment with enterprise governance compliance and service standards.

Requirements

Key Responsibilities

Server Infrastructure Leadership

• Lead server consolidation and optimisation initiatives across enterprise environments.
  

• Oversee deployment patching and lifecycle management of Windows Linux and AIX servers.
  

• Manage virtualization platforms including VMware Nutanix or Hyper-V environments.
  

Virtualization & Data Center Operations

• Maintain and support the hypervisor and virtualization layers used across AVON infrastructure.
  

• Maintain and support cluster environments across AVON Data Centers (on-premise and VMC on AWS).
  

• Ensure high availability performance optimisation and capacity planning.
  

Governance & Compliance

• Participate in governance reporting and service review meetings.
  

• Ensure server environments align with SLA requirements reporting standards and compliance policies.
  

• Support audit and compliance activities including remediation of audit findings.
  

Security & Risk Management

• Ensure systems follow security hardening standards and patch management processes.
  

• Oversee secure decommissioning and disposal of end-of-life hardware.
  

• Maintain secure identity and authentication integrations across platforms.
  

Business Continuity & Disaster Recovery

• Support backup strategies and disaster recovery planning for server environments.
  

• Ensure resilience and recovery readiness across infrastructure platforms.
  

Vendor & Operational Management

• Manage vendor relationships and coordinate with third-party support providers.
  

• Drive continuous improvement initiatives across server management processes.
  

Team Leadership

• Mentor and guide L2 Support Analysts in server administration and troubleshooting.
  

• Promote operational best practices and technical skill development within the team.
  

Required Skills & Expertise

Operating Systems

• Advanced administration of Windows Server Linux and AIX
  

• Experience with CIS hardening and enterprise patch orchestration
  

Virtualization Platforms

• Expertise in VMware Nutanix Hyper-V
  

• VM clustering high availability and virtualization infrastructure management
  

Identity & Security

• Strong Active Directory expertise including GPO strategy and secure administration
  

• Linux/AIX identity integration (SSSD PAM Kerberos) and SSH key management
  

Performance & Monitoring

• Performance engineering skills including:
  

  • Perfmon
    

  • Event logs
    

  • IOPS and system performance analysis
    

Certificates & Encryption

• Experience with TLS/PKI configuration for Windows services
  

• Certificate lifecycle and renewal management
  

Backup & Disaster Recovery

• Server backup strategies and disaster recovery planning
  

Endpoint & Security Monitoring

• Experience with EDR agent health monitoring and endpoint security coverage
  

Infrastructure Lifecycle

• End-of-Life remediation planning and OS/platform migration projects
  

Documentation & Operations

• Strong documentation practices and CMDB management
  

• Ability to mentor L2 engineers and support operational excellence
  

Benefits

Benefits

At Excis your work truly matters. Youll join a dynamic and hands-on global team where your technical expertise directly contributes to operational success and customer satisfaction.

We offer:

• A supportive environment for continuous learning and career growth
  

• Collaboration across diverse technologies and global teams
  

• Competitive compensation
  

• The opportunity to work with a global IT leader focused on innovation and excellence
  

Ready to lead enterprise server infrastructure operations
Apply now and join Excis in the Poland.