SIX drives the transformation of financial markets.

What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of finance with us.

System Engineer (Managed File Transfer)

Warsaw | up to 40 % working from home possible | Reference 7424

SIX is looking for a motivated and talented System Engineer, who is passionate about technology and helps us to run a highly secure, scalable and automated “Managed File Transfer” Platform.

This profile is responsible for the operations, engineering and integration of all business,‑ corporate services using our platform. We are ‘T‑shaped’ engineers with international team set‑up located in Spain and Switzerland. We take full responsibilities for our actions, operate and deliver great solutions!

The team is the hub when it comes to Managed File Transfer competences in SIX. As a Middleware Engineer you will set up and maintain file transfer connections for internal and external customers and ensure data travels through channels and processes efficiently. You will be responsible for delivering high quality production and test platform, supporting regular agile releases.

What You Will Do

• perate, maintain, and enhance the MFT platform that supports SIX/BME and its clients
• Contribute to system architecture and design, especially network, storage (NAS), and Linux-based systems
• Collaborate with business units, external partners, and DevOps teams to troubleshoot and optimize MFT process flows
• Handle daily business activities such as incident management and operational support, including participation in on‑call rotations, and enhancing the MFT platform that supports clients, ensuring system reliability and rapid resolution of issues
• Participate in internal and external security audits (e.g., PCI DSS) and compliance activities

What You Bring

• 1–3 years of hands‑on experience with Managed File Transfer concepts and protocols (e.g., SFTP, Connect:Direct) and security implementations (e.g.,PKI, SSL, and SSH)
• Proficiency in Linux and scripting languages such as Python, Perl, or Go
• Ability to interpret and work with system architecture designs
• Team‑oriented mindset with excellent self‑management and communication skills
• An open mindset, innovative ideas, willingness to continuously grow and support change
• Nice‑to‑Have Skills: Experience with cloud‑native technologies (e.g., Azure, AWS) and containerized deployments. Familiarity with observability tools and practices (e.g., Prometheus, Grafana, OpenShift)

If you have any questions, check out our FAQ page or call Beata Czyzewska at +48 22 104 6571 / +41 58 399 9800 / +34 91 330 51 49.

For this vacancy we only accept direct applications.

Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.

What We Offer

Flexible Work Models

We trust our employees and offer a work environment that is well-balanced, productive and fosters success.

Personal Development

You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.

Agile Working Methods

Whether through scrum or design thinking,

we solve exciting tasks together in teams.