Workplace: Crissier
Workload: 100%
Your duties
* Support implementation of Salt’s telecom security roadmap across SS7, Diameter, 5G, fixed access, and interconnect
* Support and enforce security controls for core and edge network domains (CS, PS, IMS, 5G SA, fixed)
* Support and monitor hardening standards, including validation of IAM implementations in line with Salt’s security policy.
* Work with IT, Core, Transport, and RAN teams to detect and resolve telecom-specific threats
* Contribute to threat modeling and protection of critical assets (confidentiality, integrity, availability)
* Investigate vulnerabilities and support remediation efforts for mobile and fixed network components
* Help maintaining Salt’s network risk register
* Understand IT security and know how to translate this to telco network security
* Ensure alignment with compliance requirements (ISO/11, Swiss regulations, NIS, etc.)
* Provide input on secure architecture for new domains (e.g. 5G)
* Support in- and external audits, incident response planning, and security maturity reviews
* Help build security awareness and best practices across engineering and operations teams
What you bring
* Degree in engineering such as telecommunications, cybersecurity, or equivalent field
* Experience with or ability to learn working with telecom protocols: SS7, MAP, Diameter, GTP, SIP, RTP, HTTP2
* Deep understanding of Linux
* Understanding of core network architecture (CS, PS, IMS, VoLTE, 5G) is a preference
* Understanding of security controls, detection mechanisms, and IAM
* Familiarity with security frameworks: ISO/11, NIS, BCP, etc.
* Experience with CVE management, vulnerability scanning, and risk evaluation
* Strong awareness of how AI and automation are applied in both attack techniques and defensive network security strategies.
* Exposure to virtualized and container-based network platforms (OpenStack, Kubernetes) is a plus
* Comfortable using security tooling, scripting, and automation
* Self-motivated, pragmatic, and eager to solve real-world challenges
* Good collaboration and communication skills
* Required language: 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).
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