**About the role** We are looking for a **Senior IT Infrastructure Engineer** to design, operate, and improve the systems and infrastructure behind corporate IT services and business applications. The mandatory requirements are **4\+ years** of enterprise IT infrastructure experience, **infrastructure lifecycle management**, **identity and privileged access** experience, and an upper\-intermediate English level. **Must haves** * Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience. * **4\+ years of progressive experience** designing, implementing, and supporting enterprise IT infrastructure. * Strong experience with Windows and Linux server administration, virtualization, storage, backup, monitoring, and troubleshooting. * Experience supporting cloud infrastructure and understanding dependencies across compute, storage, networking, identity, and security services. * Experience with Active Directory or comparable identity platforms, enterprise authentication, **privileged access**, and service\-account management. * Experience with **infrastructure lifecycle management**, patching, vulnerability remediation, change control, incident management, and technical documentation. * Demonstrated ability to troubleshoot complex infrastructure issues across multiple technology layers and teams. * Experience building or maintaining automation and repeatable operational processes. * Ability to create clear implementation plans, assess risk, define rollback procedures, and execute changes in a controlled manner. * Strong written and verbal communication skills, with the ability to explain technical issues to both technical and non\-technical stakeholders. * Ability to prioritize competing work, take ownership of outcomes, and operate effectively in a regulated or security\-conscious environment. * Upper\-intermediate English level. **Nice to haves** * Experience with VMware, Nutanix, or comparable virtualization and hyperconverged infrastructure platforms. * Experience with AWS infrastructure services, cloud security, cloud cost awareness, and infrastructure\-as\-code practices. * Experience with Microsoft 365, endpoint or systems\-management platforms, configuration management, and enterprise monitoring tools. * Experience with enterprise backup and recovery platforms, immutable backups, recovery testing, and off\-site or cloud\-based protection. * Experience with PowerShell, Python, Bash, Ansible, Terraform, or comparable automation tools. * Experience in healthcare, medical device, life sciences, or another regulated industry. * Familiarity with ITIL practices, security frameworks, audit evidence, and formal change\-management processes. * Relevant certifications such as Microsoft, AWS, VMware, Nutanix, ITIL, or comparable credentials. **What you will do** * Design, implement, maintain, and troubleshoot enterprise infrastructure across on\-premises environments, data centers, cloud platforms, and business locations. * Administer and support Windows and Linux servers, virtualization platforms, storage, backup systems, file services, and core infrastructure services. * Support AWS, Azure, or comparable cloud infrastructure, including compute, storage, networking dependencies, access controls, monitoring, and operational readiness. * Support identity and access services, including Active Directory, cloud identity, authentication, authorization, group and service\-account management, and integrations with enterprise applications. * Plan and execute infrastructure upgrades, migrations, patching, lifecycle replacements, capacity expansions, and decommissioning activities. * Monitor infrastructure health, availability, performance, capacity, backup status, and security signals; investigate trends and address risks proactively. * Respond to infrastructure incidents and escalations, lead root\-cause analysis, and implement corrective and preventive actions. * Develop and maintain automation using PowerShell, Python, Bash, Terraform, Ansible, or comparable tools to improve reliability and reduce manual work. * Maintain accurate architecture diagrams, asset inventories, configuration standards, dependency maps, runbooks, recovery procedures, and knowledge\-transfer materials. * Build and maintain reliable backup coverage through cross\-training, paired operations, structured handoffs, and current documentation for systems owned across the team. * Support disaster recovery and business continuity planning, including recovery testing, backup validation, restoration procedures, and recovery\-time objectives. * Partner with security, network, cloud, application, service desk, compliance, and vendor teams on technical issues and delivery initiatives. * Apply disciplined change, incident, problem, and request\-management practices, including risk assessment, testing, approvals, communications, and rollback planning. * Support audit, security, vulnerability\-