Cloud Consultant at Callista ACE AG

Callista ACE AG logo
Callista ACE AG

Cloud Consultant

ch flag
Switzerland

On-site

Contractor

#Software Engineering

#Cloud

#Governance

#Azure

#Infrastructure as Code

#Terraform

#Arm

#VPN

#Routing

#Firewalls

Callista ACE AG is looking for a Cloud Consultant

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We are currently looking for a skilled professional to join our team in Switzerland as we build our cloud infrastructure from the ground up. Our focus is on establishing a robust foundation, and we need someone who can help us shape our Azure environment while keeping future multi-cloud goals in mind. If you enjoy working closely with internal teams and want to apply your expertise in both a strategic and practical way, we would love to hear from you.

What is this role?

We are looking for a Senior Cloud Consultant to join us on a contractor basis. This is an on-site position based in Zurich, starting in mid-August 2025 for a duration of 30 project days. You will play a key role in setting up our cloud architecture, ensuring that our governance, security, and infrastructure standards are built to last.

What will you do?

  • Design and implement Azure Landing Zones, including hub-spoke or disconnected architectures, while configuring the necessary network components like VPNs, subnets, routing, and firewalls.
  • Establish comprehensive cloud governance by developing policies for cost control, naming conventions, and identity management, utilizing tools such as Azure Policy and Management Groups.
  • Provide strategic guidance and initial concepts for our future expansion into multi-cloud environments, specifically looking at Google Cloud and AWS.

What makes you a great fit?

To be successful in this role, you should have extensive experience in building and managing Azure infrastructures. We value candidates who bring a structured, independent approach to their work and possess strong communication skills. You must be fluent in German, as this is essential for our daily collaboration.

Your technical toolkit should include:

  • Deep expertise in Governance, Security, and Landing Zone design.
  • Proficiency in Infrastructure as Code using tools like Terraform, Bicep, or ARM templates.
  • Solid knowledge of network architecture, including firewalls and VPN connectivity.
  • Familiarity with Azure services such as Azure AD, Azure Monitor, and Log Analytics.
  • Bonus points if you have prior experience with GCP or AWS.

What's in it for you?

By joining us, you will have the opportunity to influence our cloud strategy from the very beginning. You will work in a collaborative environment where your technical input directly shapes our infrastructure and security standards. This contract offers a clear, focused project scope in the heart of Zurich, allowing you to apply your senior-level expertise to a high-impact project.

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Callista ACE AG

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