Senior Infrastructure Engineer: VMware, Linux & Hybrid Infra

XTB online investing; Województwo mazowieckie; Hybrid; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Training budget

Birthday day off

Parental day off

Equipment provided

Private medical care

Remote work options (Warsaw office or

coworking space)

Job summary

XTB online investing in Poland is seeking an experienced Senior Systems Engineer to maintain and scale our core on-prem and hybrid infrastructure, spanning VMware, Linux environments, and critical database clusters.

You will automate workflows with Ansible, Bash, Python, and Git; participate in on-call rotations, support DR/BCP, and collaborate with cross-functional teams across security, development, and operations.

Qualifications

• 5+ years in infrastructure engineering (on-premise / data center / hybrid).
• Deep VMware vSphere and vCenter knowledge and troubleshooting.
• Operational experience with PostgreSQL and MongoDB clusters.
• Linux administration (Debian/Ubuntu) with performance tuning.
• Experience with SAN storage concepts and multipathing.
• Backup platforms experience (Commvault preferred).
• Scripting and automation with Ansible, Bash or Python and Git.
• HA architectures and BCP/DR understanding.
• Willingness for on-call rotations and travel to data centers.
• Strong English, min. B2.

Responsibilities

• Administering and optimizing VMware virtualization environments (vSphere / vCenter): cluster lifecycle, resource management, performance tuning, and troubleshooting.
• Maintaining and supporting production database environments (PostgreSQL, MongoDB).
• Managing enterprise storage infrastructure (SAN / block & file storage) — capacity planning, performance diagnostics, and array maintenance.
• Administering and hardening Linux servers (Ubuntu/Debian) across production and staging environments.
• Overseeing enterprise backup and recovery solutions (Commvault) — designing retention policies, automation, and DR tests.
• Automating operational workflows and standardizing infrastructure using Ansible, Bash, Python, and Git (IaC mindset).
• Supporting BCP/DR initiatives.
• Participating in a structured on-call rotation to guarantee high availability of mission-critical systems.
• Collaborating with cross-functional platform, security, and development teams.

Skills

VMware vSphere

vCenter

PostgreSQL

MongoDB

Linux (Debian/Ubuntu)

Enterprise SAN

Commvault

Scripting: Ansible Bash Python

Git

HA/BCP/DR

English (B2)

Tools

Terraform

Ansible AWX

GitLab CI/CD

Dell VxRail

Job description

XTB online investing in Poland is seeking an experienced Senior Systems Engineer to maintain and scale our core on-prem and hybrid infrastructure, spanning VMware, Linux environments, and critical database clusters.

You will automate workflows with Ansible, Bash, Python, and Git; participate in on-call rotations, support DR/BCP, and collaborate with cross-functional teams across security, development, and operations.