Virtualization and Security engineer

Salt Mobile SA

Berne, Fribourg, Rive droite, Rive gauche, Ville de Genève, Jura, Neuchâtel, La Côte, Nord vaudois,.
  • Publication date:

    25 September 2022
  • Workload:

  • Contract:

    Permanent position
  • Homeoffice:

  • Place of work:

    Berne, Fribourg, Rive droite, Rive gauche, Ville de Genève, Jura, Neuchâtel, La Côte, Nord vaudois,.

Workplace: Renens / Crissier

Workload: 100%


Well, we're looking for talented people who share our interests and values. Do you focus on the essential and do what you say? Do you try to make things simple and dare to be original in what you say and do? And most of all, do you excel in providing exceptional service every day?

We are looking for a 




Virtualization and Security engineer


who defines the evolution for the virtualized environment hosting the core network and settles the security guidelines for Salt’s Telecommunication Network.


Your duties

  • Operate and maintain the existing OpenStack deployments
  • Troubleshoot and fix cloud related issues, open trouble tickets towards the vendor if needed and lead the investigation until the final solution implemented
  • Track vendor’s correction deliveries and CVE database
  • Prepare presentations to share the outcome of the technical investigations
  • Follow vendor’s roadmap and define meaningful upgrade strategy together with the Core Element owners
  • Select the future vendor of the Kubernetes environment based on the needs and requirements of the 5G SA Core Network Elements
  • Define and design future Kubernetes environments for hosting the Salt’s 5G SA Core Network Elements
  • Work closely with the IT department
  • Define the security guidelines for Core Network elements and lead the implementation
  • Participate in designing the CI/CD solution for the Kubernetes based applications


What you bring

  • Degree in telecommunications or equivalent
  • Expert in virtualization with at least seven years’ experience
  • Expert in security and CI/CD at least three years’ experience
  • In depth knowledge of architecture of Openstack and Kubernetes/Openshift
  • Deep understanding of security protocols: TLS/StartTLS, IPSec, HTTPS
  • Basic understanding of 3GPP protocols and Core Network architecture: Core network CS, PS and IMS domains e.g. SS7, MAP, GTP, Diameter, SIP/RTP/RTCP, HTTP2 etc.
  • Very good knowledge on usage of security tools
  • Experience at least with one CI/CD solution
  • Experience with Nokia Cloud Solutions is a plus
  • Good analytical and abstract thinking skills: Able to find innovative solutions to complex problems. Team worker. Willing to make a contribution and to make a difference. Does not give up until the issue is fixed.
  • Self-learner, Self-driven, Self-motivated.
  • Very good presentation & communication.
  • Easily approachable, friendly, & proactive in identifying areas for improvement
  • Required languages : English. German or French are a plus


What we offer

  • Friendly and dynamic environment
  • Competitive salary and benefit system
  • Possibility to enlarge competences and experience due to fast moving and complex telco environment


Always dreamed of having a job in a diverse and refreshing environment? Then we really need to meet. Please apply online (we only accept online applications).



  • Salt Mobile SA

No recruitment agencies please