Workplace: CrissierWorkload: 100% Your dutiesSupport implementation of Salt’s telecom security roadmap across SS7, Diameter, 5G, fixed access, and interconnectSupport 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 threatsContribute to threat modeling and protection of critical assets (confidentiality, integrity, availability)Investigate vulnerabilities and support remediation efforts for mobile and fixed network componentsHelp maintaining Salt’s network risk registerUnderstand IT security and know how to translate this to telco network securityEnsure 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 reviewsHelp build security awareness and best practices across engineering and operations teams What you bringDegree in engineering such as telecommunications, cybersecurity, or equivalent fieldExperience with or ability to learn working with telecom protocols: SS7, MAP, Diameter, GTP, SIP, RTP, HTTP2Deep understanding of LinuxUnderstanding of core network architecture (CS, PS, IMS, VoLTE, 5G) is a preferenceUnderstanding of security controls, detection mechanisms, and IAMFamiliarity with security frameworks: ISO/11, NIS, BCP, etc.Experience with CVE management, vulnerability scanning, and risk evaluationStrong 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 plusComfortable using security tooling, scripting, and automationSelf-motivated, pragmatic, and eager to solve real-world challengesGood collaboration and communication skillsRequired language: English; German or French are a plus What we offerFriendly and dynamic environmentCompetitive salary and benefit systemPossibility 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). jidcc0433ea jit0728a jiy25a