Sys Admin + Python Infrastructure Engineer Poland : Kielce, Kraków, Wrocław + Remote 140 – 170 PLN NET PER HOUR B2B Sys Admin + Python Infrastructure Engineer

Virtus Lab Sp. z o.o. All trademarks their respective owners; Kielce, Kraków, Wrocław; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Building tech community

Home office reimbursement

Training Package

Virtusity / in-house training

Job summary

VirtusLab is a leading European software consulting and engineering company seeking a senior infra engineer to maintain and modernize core infrastructure and data platforms. You will drive automation, secure graph data connections, and enable scalable data pipelines across Python and Java stacks.

The role emphasizes autonomous delivery, cross-functional collaboration, and ownership of delivery outcomes within a large enterprise environment.

Qualifications

• Solid Linux administration background and networking concepts.
• Experience using Python for infrastructure automation and scripting.
• Strong ability to diagnose and resolve complex system issues at scale.
• 5+ years of commercial experience in system administration or infrastructure engineering.
• Excellent English communication at B2/C1 level or higher.

Skills

English proficiency

Independent collaboration

Tools

Python

Java

Kubernetes

GraphDB

Neo4j

GraphQL

Snowflake

Job description

VirtusLab is a leading European software consulting and engineering company. Our mission is to craft clean code and practical solutions with precision and purpose. We foster a dynamic culture rooted in strong engineering, a sense of ownership, and transparency, empowering professionals to make a substantial impact in the software industry.

Project Overview & Engagement Profile

This engagement involves key infrastructure delivery built around graph databases (GraphDB / Neo4j). The focus combines high-level systems engineering and infrastructure automation with proactive security standards and system architecture optimization.

Key Areas of Delivery:

• Infrastructure Operations & Automation: Administering Linux/Unix environments and engineering infrastructure automation utilizing Python.


• Database Hardening & Security: Hardening graph database environments, implementing top-tier security standards, and designing monitoring and alerting mechanisms.


• Dependency Mapping: Analyzing and mapping technical dependencies between databases, data pipelines, and enterprise-wide systems.


• Data Infrastructure: Engineering and optimizing data processing pipelines integrating Python- and Java-based components.


• Technical Driving & Autonomy: Collaborating independently with technical stakeholders, driving solutions, and owning delivery outcomes.

Python Advanced

Kafka/Streaming Data Regular

Java (Data pipelines / APIs) Nice to have

GraphDB (Neo4j)/GraphQL Nice to have

Project

ESM

Project Scope

Supporting a large-scale enterprise ecosystem powering thousands of software developers by maintaining and modernizing core infrastructure and data platforms. The project focuses on end-to-end infrastructure operations, automation, and data pipeline integrations.

Key architectural priorities include mapping, tracing, and securing graph data connections (GraphDB) across the ecosystem, while maintaining rigorous security hardening, robust monitoring, and proactive alerting.

• Automation & Scripting: Python


• Data Pipelines & Integration: Java, Apache Kafka (Streaming Data)


• Databases & Graph Technologies: GraphDB, Neo4j, GraphQL


• Database Security & Observability: Hardening GraphDB instances to meet strict enterprise security standards while establishing reliable tracing, monitoring, and alerting across boundaries.


• Architecture Mapping: Tracing and mapping graph database interconnections across enterprise systems.


• Cross-Language Pipeline Integration: Automating and optimizing data processing pipelines across Python and Java stacks.


• Scale & Reliability: Supporting a high-scale developer ecosystem with maximum availability and seamless delivery.

Project Delivery Model

Services are provided within a modern Data Platform Engineering domain. Consultants deliver specialized expertise through structured alignment with key project areas, maintaining high technical synchronization while fostering a strong platform knowledge-sharing environment.

Expected Capabilities & Expertise:

• Solid background in Linux administration and deep understanding of networking concepts


• Proven expertise in using Python for infrastructure automation, scripting, and system tool development


• Advanced analytical capabilities for diagnosing, troubleshooting, and resolving complex system performance issues at scale


• 5+ years of commercial experience in system administration or infrastructure engineering


• English proficiency at B2/C1 level or higher, enabling seamless technical communication

Nice to Have:

• Practical experience with Kafka


• Working knowledge of Java


• Hands-on experience with Graph Databases (e.g., Neo4j) or query-layer technologies (GraphQL APIs, Semantic Views)


• Experience in building or maintaining data ingestion pipelines


• Hands-on knowledge of Kubernetes


• Familiarity with the Snowflake data platform


• Solid understanding of networking topologies and firewall technologies

• Building tech community


• Home office reimbursement


• Training Package


• Virtusity / in-house training

Access to the above perks is optional and completely voluntary for B2B contractors