Senior System Administrator | ISO 27001, DRP & Networking

PLVision; Kraków; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Medical insurance

Vacation and sick leave days

Bank holidays 11 days (2026)

Relocation bonus

Marriage and childbirth bonuses

Referral bonus

Education courses and training

Job summary

PLVision in Kraków is seeking an experienced System Administrator to maintain and develop our IT infrastructure. You will manage servers, network gear, and information systems, ensuring reliable operations in line with ISO 27001:2013 policies.

Join a collaborative team focused on continuous improvement, knowledge sharing, and robust disaster recovery planning. The role requires hands-on expertise and strong analytical skills to support a growing European networking software company.

Qualifications

• 3+ years of experience as a System Administrator.
• 2+ years maintaining IT infrastructure for 100+ employees.
• Good knowledge of Windows, Linux, AD, Cisco routers and switches, Proxmox, Wi‑Fi networks.

Responsibilities

• Support and develop the company’s IT infrastructure at the Kraków office.
• Maintain servers, routers, switches, and information systems to ensure reliable operation.
• Develop and maintain IT infrastructure and information systems per ISO 27001:2013 policies.
• Develop and support the Disaster Recovery Plan (DRP) for IT infrastructure and information systems.
• Collaborate with IT and other departments to improve the IT infrastructure.
• Share knowledge within the IT department on a regular basis.

Skills

System Administration

Networking

Windows Server

Linux

AD / Active Directory

Security Policies

BCP

Change Management

Incident Management

Proxmox

Job description

PLVision in Kraków is seeking an experienced System Administrator to maintain and develop our IT infrastructure. You will manage servers, network gear, and information systems, ensuring reliable operations in line with ISO 27001:2013 policies.

Join a collaborative team focused on continuous improvement, knowledge sharing, and robust disaster recovery planning. The role requires hands-on expertise and strong analytical skills to support a growing European networking software company.