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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on Linux infrastructure within a financial sector, specializing in network monitoring and enhancing system visibility. Key technologies include Linux, Unix, Windows, Python, Shell, PowerShell, REST API. Responsibilities cover deploying and maintaining monitoring solutions, analyzing network and system performance, and collaborating with infrastructure and security teams to optimize stability and security.
from: 6 July 2026
to: 5 August 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:hybrid • full office
Warszawa, Mokotów
Requirements
Expected technologies
TCP/IP
Python
REST
Red Hat Enterprise Linux
Linux
Unix
Optional technologies
Firewalls
Cisco Certified Network Professional
Illumio
Windows Server
Operating system
Linux
Our requirements
- At least 5 years of experience administering Linux-based environments
- Strong knowledge of Linux and Unix operating systems
- Solid understanding of networking concepts, including TCP/IP, firewall technologies, and traffic filtering
- Experience with automation and scripting using Python, Shell, or PowerShell
- Practical knowledge of integrating and working with REST-based interfaces
- Fluent English communication skills and availability to work in a hybrid model with regular office presence
Your responsibilities
- Deploy and maintain infrastructure monitoring solutions on enterprise Linux platforms
- Install, configure, and support monitoring components across Linux, Unix, and Windows environments
- Analyze network activity and system performance to identify operational risks and anomalies
- Troubleshoot platform, connectivity, and performance-related issues
- Support the implementation and testing of monitoring capabilities within a controlled environment
- Collaborate with technical teams to improve system stability, visibility, and operational efficiency
About the project
We are looking for a Linux Systems Engineer to join a technology-focused team responsible for improving infrastructure visibility and operational resilience within a highly regulated financial environment. In this role, you will contribute to a strategic monitoring initiative aimed at enhancing network transparency across a diverse server landscape. You will work closely with infrastructure and security specialists to deploy, maintain, and optimize monitoring solutions while ensuring stable and secure system operations.
What we offer
- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
- Comfortable workplace – class A offices or remote work
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose
- Fantastic atmosphere created by all Sii Power People
Recruitment stages
- 1.Send your CV
- 2.Talk to us about your expectations
- 3.Learn more about our projects and choose the best
- 4.Start your adventure with Sii!
Sii Sp. z o.o.
Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.
This is how we work
Linux Systems Engineer (f/m/x)
I apply to:
Sii Sp. z o.o.
Warszawa, Mokotów
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