Share this Job




We drive the transformation of the financial markets. That’s why we invest in bright minds, in their ideas, knowledge and development. We do that by combining our best sides.


If you would like to find out why stability makes us so agile, why experience makes us so curious and why empathy makes us so impactful, apply now for the position of



 Communication Engineer - Focus Microsoft Exchange

Warsaw | 100 | Reference 3424




SIX Communication Engineering is an EngOps team responsible for the operation, optimization and continuous development of SIX corporate services such as telephony, e-mail and client virtualization. You will be responsible for consulting, conception, implementation, support and migration of these environments in a modern Microsoft hybrid environment, as well as the continuous expansion of our security and compliance requirements. Are you ready to face the numerous challenges in the environment of the Swiss financial center?


What You Will Do

  • operation and further development of online and on-premise Microsoft Exchange services

  • integration of new applications / services into the existing mail backbone environment

  • collaboration and coordination with our various business units and international partners

  • participation in audits and security engineering, as well as maintenance of the system documentation

  • on-call service as necessary for our services


What You Bring

  • multiple years of experience as a system engineer with Microsoft solutions, preferably in the IT service provider environment

  • experienced in dealing with Microsoft Exchange, Microsoft 365 Exchange Online Services and SMTP Gateway Services

  • experience in an enterprise environment (HA environments) and with migrations are an advantage

  • good knowledge of Microsoft Collaboration Services (Skype / Teams) would be a plus

  • good English skills are a must. German is a bonus


If you have any questions, please call Beata Czyzewska at +48 22 104 65 71.


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.