System Administrator

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

We are looking for an experienced System Administrator to support and develop our company’s IT infrastructure at our Krakow office. You will be responsible for maintaining servers, network equipment, and information systems, ensuring their reliable operation in accordance with ISO 27001:2013 policies, while collaborating closely with the IT team and other departments to continuously improve our infrastructure.

We offer a collaborative environment with open and transparent communication, well-established processes, a minimum of formalities and a maximum of trust. Join PLVision, a company with an in-demand specialization in computer networking, and secure your professional future.

Support the company's existing IT infrastructure (servers, routers, switches, information systems)

Develop and maintain the IT infrastructure and information systems in accordance with ISO 27001:2013 policies

Develop and support the Disaster Recovery Plan (DRP) for the company's IT infrastructure and information systems

Cooperate with the IT team and other company departments to improve the existing IT infrastructure

Share knowledge within the IT department on a regular basis

Requirements

3+ years of experience as a System Administrator

2+ years of experience in supporting and developing a company's IT infrastructure (100+ employees)

Good knowledge of network and server technologies (Windows, Linux, AD, Cisco routers and switches, Proxmox, Wi‑Fi access points and networks)

Clear understanding of information security policies

Understanding and experience with such processes as Change Management, Incident Management, and BCP

Experience implementing best IT practices

Strong analytical and organizational skills

About PLVision

PLVision is a European networking software product development company that helps businesses unlock the full potential of open and disaggregated technologies. We deliver end-to-end, vendor-agnostic solutions, tailored to meet client’s specific use cases – enabling greater flexibility, scalability, and sustainability while ensuring cost control and predictability.

Leveraging strategic partnerships with industry leaders, major hardware vendors, and membership in key open networking communities, PLVision ensures delivered software solutions remain future-ready and aligned with the latest open networking innovations, empowering clients to achieve their business goals and long-term success.

Equal Opportunity Statement

PLVision is committed to providing equal employment opportunities and does not tolerate unlawful discrimination or harassment based on race, color, religion, age, sex, national origin, or any other protected characteristics. We believe everyone at PLVision deserves to thrive in an environment where they are respected, valued, and empowered to reach their full potential and build a meaningful career.

• Medical insurance
• Vacation and sick leave days
• Paid bank holidays (11 days in 2026)
• Relocation bonus
• Marriage and childbirth bonuses
• Referral bonus
• Educational courses and training programs