Senior Infrastructure Engineer

Description

The company is a global financial firm focused on online trading of financial instruments. It is the largest FinTech in Poland, a leader in Central and Eastern Europe, and operates in several countries, including Asia and South America.

The company focuses on developing its staff through training and learning opportunities across many fields. It has a Great Place to Work certification.

The team is hiring a senior systems engineer for its infrastructure team. You will keep, automate and grow the core on-premise and hybrid estate, which covers VMware virtualization, enterprise storage, Linux and critical database clusters.

Responsibilities

• Run and tune VMware vSphere and vCenter environments, covering cluster lifecycle, resource allocation, performance and troubleshooting.
• Keep production PostgreSQL and MongoDB environments running and supported.
• Plan storage capacity, diagnose performance issues and maintain SAN block and file arrays.
• Administer and harden Ubuntu and Debian servers in production and staging.
• Lead backup and recovery work on Commvault, including retention design, automation and regular disaster recovery tests.
• Automate operations and standardize infrastructure with Ansible, Bash, Python and Git, following an infrastructure-as-code approach.
• Help build and maintain business continuity and disaster recovery plans.
• Take part in a structured on-call rotation that keeps mission-critical systems highly available.
• Work alongside platform, security and development teams.

Requirements

• 5+ years of hands-on work in infrastructure engineering across on-premise, data center or hybrid setups.
• Deep knowledge of VMware vSphere and vCenter administration and troubleshooting.
• Experience running database clusters, including maintenance, replication, backup and restore, and health monitoring.
• Strong Linux administration on Debian or Ubuntu, covering performance analysis, hardening and log review.
• Proven work with enterprise storage concepts such as SAN, zoning, multipathing and performance tuning.
• Practical experience with enterprise backup platforms; Commvault is preferred, or an equivalent platform.
• Hands-on scripting and automation with Ansible, Bash or Python, plus Git.
• Solid grasp of high-availability architectures and BCP/DR frameworks.
• Willingness to join paid on-call rotations and to travel occasionally to data centers.
• Technical English at B2 level or above, spoken and written.
• Experience in high-availability, low-latency settings such as fintech, trading or telecom.
• Familiarity with Terraform, Ansible AWX and GitLab CI/CD pipelines.
• Experience with hyper-converged infrastructure such as Dell VxRail.
• Awareness of regulatory and security standards such as NIS2, ISO 27001 and GDPR.
• Certifications in VMware (VCP), Red Hat (RHCSA or RHCE), or storage and backup platforms.

Conditions

Remote work is possible, from the Warsaw office or from a coworking space in your city.

Paid on-call rotations apply, along with occasional data center travel.

The company is an equal opportunity employer.

Benefits

• Real say in how the company and its product develop.
• A seasoned team that is glad to share what it knows.
• Regular feedback and clear career paths that show where you are heading.
• Regular team-building meetings.
• A training budget for courses and conferences that match your interests.
• An extra day off on your birthday.
• An extra day off for parents.
• Equipment chosen to fit your needs.
• Private medical care and group insurance.
• Access to an e-learning platform for English and a benefits platform.
• Access to a wellbeing platform, with workshops and private therapy sessions.