Senior Server Operations Admin at Regent – Warsaw | Jobyssey

ROLE OVERVIEW

As a senior member of the Server Operations team at Avon, you will play critical role in operating key applications that power our business across manufacturing, retail, and direct selling. You’ll participate in designing technical solutions and will be responsible to provision and manage these environments the most effective, secure, and resilient way. Identifying and documenting best practices, plus technical mentoring of the Server Operations Team is also key part of the role.

KEY RESPONSIBILITIES

Deploy, optimize, and manage Windows and Unix (Linux, AIX) server environments, including Hardware and Hypervisor layers
Oversee patch management, performance monitoring, and incident response for server infrastructure
Ensure compliance with security policies, regulatory requirements, and industry best practices
Support migration projects for end-of-life hardware and legacy systems
Develop and maintain robust backup and disaster recovery processes
Lead troubleshooting and resolution of complex server-related incidents and problems
Maintain comprehensive documentation of server architectures, configurations, and operational procedures
Mentor and guide L2 Support Analysts, fostering skill development and knowledge sharing.
Organize and participate in the on-call rota for the server operations area
Collaborate with application, network, and storage teams to ensure seamless server operations
Conduct regular reviews of server performance, capacity, and utilization
Support server consolidation and optimization initiatives
Participate in governance, reporting, and service review meetings
Ensure alignment with SLA requirements and operational targets
Support the remediation of findings in a timely manner
Stay current with emerging server technologies and industry best practices
Coordinate with vendors and third-party support providers as required
Contribute to continuous improvement in server management processes
Support business continuity and disaster recovery planning for server platforms
Support the secure decommissioning and disposal of end-of-life hardware
Manage and support the hypervisor and virtualization layer (VMware or equivalent platforms)
Maintain and support server clusters in on-premise data centers and VMC on AWS environments

EXPERIENCE

Advanced server administration skill in minimum two technologies from Windows, Linux, and AIX including hardening and patch orchestration
Strong expertise in virtualization platforms such as VMware, Nutanix - including HA technologies
In-depth experience with Active Directory, GPO strategy, and secure administration
Understanding of Linux/AIX identity integration technologies (SSSD, PAM, Kerberos)
Performance engineering skills including PerfMon, event log analysis, and IOPS monitoring
Experience with TLS/PKI infrastructure and certificate lifecycle management
Proven knowledge of backup and disaster recovery planning in server environments
Experience with endpoint security management
Experience in EOL remediation and OS/platform migration projects
Strong documentation and CMDB management skills
Ability to mentor junior team members and support their professional development
Strong analytical, problem-solving, and troubleshooting skills
Excellent communication and stakeholder management skills
Ability to adopt to a fast-paced, mission-critical environment

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