Windows & Unix Engineer

Job description

You’ve picked a great time to join Avon. We’re the company that puts purpose, people and relationships at the heart of everything we do. The company that’s 135 years young and only just getting started. As part of the Regent LP family, we’re committed to being the best beauty company for the world by generating a positive environmental, economic and social impact for our communities across the globe. Role Type Permanent What you'll be doing: As a Windows & Unix Engineer, you'll play a key role in ensuring the stability, security, and performance of Avon’s enterprise server environments across Windows, Linux, and AIX platforms. Working as part of our infrastructure support team, you'll provide Level 2 operational support, manage virtualised environments, maintain system compliance, and help keep critical business services running smoothly. You'll collaborate closely with application, network, storage, and security teams to resolve complex issues, support upgrades and migrations, and continuously improve the reliability and resilience of our technology landscape. Key responsibilities: Building, configuring, and maintaining Windows, Linux, and AIX servers, virtual machines, clusters, and related infrastructure. Monitoring server and virtualisation platform health, performance, and availability, proactively identifying and resolving issues. Executing operating system patching, kernel updates, and security remediation activities within agreed maintenance windows. Investigating and resolving incidents related to server operating systems, authentication services, group policies, access controls, and application dependencies. Supporting Active Directory domain integrations, authentication mechanisms, and access management controls. Managing backup solutions, performing restore testing, and validating disaster recovery readiness. Tracking end-of-life operating systems, platforms, and components, and supporting upgrade and migration projects. Managing certificates, TLS configurations, SSH keys, and security-related settings to maintain compliance with organisational standards. Diagnosing and resolving performance issues across CPU, memory, storage, network, and system resources. Ensuring antivirus and endpoint detection tools are operating effectively and addressing identified gaps. Collaborating with application, network, storage, and security teams to resolve cross-functional technical issues. Implementing, maintaining, and optimising monitoring tools, dashboards, thresholds, and alerts to improve operational visibility. Participating in disaster recovery exercises, failover testing, and recovery validation activities. Maintaining accurate documentation, operational runbooks, system diagrams, asset records, and CMDB information. Producing operational metrics and KPI reporting, including system availability, patch compliance, backup success rates, incident trends, and capacity insights. Supporting continuous improvement initiatives, operational excellence activities, and infrastructure modernisation programmes. What we're looking for: Proven experience supporting enterprise Windows Server environments. Experience administering Linux and/or AIX operating systems within large-scale production environments. Strong understanding of virtualisation technologies, including virtual machine administration and platform support. Hands-on experience with server monitoring, performance tuning, troubleshooting, and incident management. Experience managing operating system patching, upgrades, migrations, and vulnerability remediation activities. Knowledge of Active Directory, Group Policy, authentication services, and identity management concepts. Experience supporting backup, restore, disaster recovery, and business continuity processes. Familiarity with security best practices, server hardening standards, least-privilege principles, and compliance requirements. Understanding of certificates, TLS configurations, SSH key management, and secure system administration practices. Experience working with infrastructure monitoring and alerting tools. Ability to diagnose and resolve complex technical issues across server, storage, network, and application layers. Strong documentation skills, with experience maintaining operational procedures, runbooks, and CMDB records. Experience working within ITIL-based support environments, including incident, problem, and change management processes. Excellent collaboration and stakeholder management skills, with the ability to work effectively across technical teams. Strong analytical, troubleshooting, and problem-solving abilities. A proactive mindset with a focus on continuous improvement and service excellence. What we offer: We offer a comprehensive benefits package along with wellness resources and work-life balance support in line with your country practices and Avon purpose aiming to help you live a healthier life, protect you and your dear ones, and ensure you’re at your best. At Avon, we believe beauty is for everyone and that it’s beautiful to be you. We celebrate our differences, champion self-expression and are committed to inclusion for all. We embrace diversity and individuality to build a culture that represents our communities and enables everyone to bring their best self to work. We also support reasonable adjustments both within our recruitment process and job design when required to empower you to work in a way that works for you. Ready to be a part of it? Join us. #Avon We inform that in accordance with the requirements of the on Whistleblower Protection Act of June 14, 2024 (government gazette of 2024, item 928), each Avon company in Poland has implemented a Procedure for Reporting Irregularities and Subsequent Actions. The full text of the procedure for each company, containing information about reporting methods, is available here.