Middle System Engineer

Responsibilities

Install, configure, update, and perform day-to-day administration of Windows Server and Linux operating systems;

Configure and administer Active Directory, DNS, DHCP, Group Policy, and other core infrastructure services, ensuring their reliable operation;

Create and configure virtual machines, manage resources, and resolve technical issues on VMware vSphere/ESXi, vCenter, Hyper-V, and other virtualization platforms;

Monitor physical and virtual servers, system services, and infrastructure components, and analyze performance and availability issues;

Independently investigate system incidents, perform root cause analysis, and implement appropriate solutions;

Carry out the integration and technical administration of server, storage, SAN, backup, and virtualization systems;

Plan and implement the integration of new systems and services into the existing IT infrastructure;

Oversee the proper operation of backup and restore processes, perform recovery tests, and ensure the resolution of failures;

Analyze server and service connectivity issues using knowledge of TCP/IP, DNS, VLANs, routing, and other core networking principles;

Monitor system resources, logs, services, and performance metrics, and perform preliminary analytical assessments;

Maintain an inventory of the existing infrastructure and ensure that technical documentation and system configurations remain up to date;

Plan infrastructure changes, participate in change management processes, and document implemented changes;

Work in coordination with networking, information security, application, and other technical teams;

Participate in the technical implementation of system integration, migration, modernization, upgrade, and new infrastructure projects;

Independently plan and execute small-scale technical activities and tasks;

Comply with internal IT security rules, standards, and procedures.

Requirements

Education:

A university degree in Information Technology, Computer Engineering, Systems Engineering, or a related field.

Experience:

At least 2–3 years of practical work experience in system administration, systems engineering, or system integration.

Technical Skills:

Practical experience in installing, configuring, and administering Windows Server environments;

Skills in administering and troubleshooting Active Directory, DNS, DHCP, and Group Policy services;

Hands-on experience with VMware vSphere/ESXi, vCenter, or Hyper-V platforms;

Good knowledge of TCP/IP, IP addressing, subnetting, VLANs, routing, DNS, and core networking protocols;

Practical understanding of server, storage, SAN, and backup infrastructure;

Knowledge and practical experience in backup, restore, and disaster recovery principles;

Troubleshooting skills in Windows and Linux systems;

Ability to analyze system logs and monitoring data;

Experience in investigating infrastructure incidents and applying root cause analysis;

Ability to prepare technical documentation, procedures, change records, and configuration documentation.

Preferred Qualifications

Practical experience with VMware vSphere, vCenter, HA, DRS, and other virtualization components;

Hands-on experience with Veeam Backup & Replication or other backup solutions;

Experience working with server and storage systems from HPE, Dell, Lenovo, or other manufacturers;

Basic knowledge or practical understanding of SAN, FC, iSCSI, and storage presentation;

Practical experience in installing and administering Linux servers;

Experience in automation using PowerShell, Bash, or other scripting languages;

Experience with Zabbix, Grafana, Graylog, or other monitoring and log management systems;

Microsoft, VMware, Red Hat, or other relevant IT certifications;

Participation in system migration, virtualization, data center, or infrastructure modernization projects;

Experience with ticketing and change management processes.

Required Competencies

Ability to independently analyze technical problems and develop solutions;

Strong analytical and logical thinking;

A root cause analysis approach to problem-solving;

Ability to prioritize effectively and manage multiple technical tasks simultaneously;

Responsibility, responsiveness, and attention to detail;

Ability to work in a team and communicate effectively with other technical teams;

Ability to justify technical decisions and document them properly;

Ability to quickly learn new technologies and apply them in practice.