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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on infrastructure monitoring in a Linux environment for the financial sector. Key technologies include Linux, Unix, Windows, Python, Shell, PowerShell and knowledge of TCP/IP and REST API. Responsibilities involve deploying and maintaining monitoring solutions, analyzing network and system activity, troubleshooting issues, and collaborating with infrastructure and security teams.
from: 5 August 2026
to: 4 September 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
Windows software
Cisco Certified Network Professional
Illumio
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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