Job Opportunity: Security Engineer
Workplace: Crissier
Workload: 100%
Are you a talented individual who shares our interests and values? Do you prioritize the essentials and follow through on your commitments? Are you driven to simplify processes while embracing originality in your work? Most importantly, do you excel in delivering exceptional service every day?
If you are passionate about network security and thrive on safeguarding complex systems, this role is for you. We are seeking an individual who not only understands security but also actively promotes it. You will need to balance real-world risks with business needs and guide teams in making informed decisions without hindering progress.
Salt is looking for a Security Engineer to help implement and evolve its network security strategy for both mobile and fixed networks. In this role, you will collaborate closely with the network security architect and cross-functional teams to translate risks into actionable controls, deploy telecom-specific security solutions, and integrate security into engineering decisions across Salt’s core infrastructure.
Your Duties
- Support the implementation of Salt’s telecom security roadmap across SS7, Diameter, 5G, fixed access, and interconnect.
- Enforce security controls for core and edge network domains (CS, PS, IMS, 5G SA, fixed).
- Monitor and harden security standards, validating IAM implementations in accordance with Salt’s security policy.
- Collaborate with IT, Core, Transport, and RAN teams to detect and mitigate telecom-specific threats.
- Contribute to threat modeling and the protection of critical assets (confidentiality, integrity, availability).
- Investigate vulnerabilities and support remediation efforts for mobile and fixed network components.
- Assist in maintaining Salt’s network risk register.
- Translate IT security principles to telco network security.
- Ensure compliance with regulatory requirements (ISO 27001/11, Swiss regulations, NIS, etc.).
- Provide input on secure architecture for new domains (e.g., 5G).
- Support internal and external audits, incident response planning, and security maturity reviews.
- Foster security awareness and best practices throughout the engineering and operations teams.
What You Bring
- A degree in engineering, such as telecommunications, cybersecurity, or a related field.
- Experience with, or a willingness to learn, telecom protocols: SS7, MAP, Diameter, GTP, SIP, RTP, HTTP2.
- A deep understanding of Linux.
- Preference for familiarity with core network architecture (CS, PS, IMS, VoLTE, 5G).
- Knowledge of security controls, detection mechanisms, and IAM.
- Familiarity with security frameworks: ISO 27001/11, NIS, BCP, etc.
- Experience with CVE management, vulnerability scanning, and risk evaluation.
- Strong awareness of AI and automation applications in attack techniques and defensive 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 tackle real-world challenges.
- Excellent collaboration and communication skills.
- Proficiency in English is required; German or French are a plus.
What We Offer
- A friendly and dynamic work environment.
- A competitive salary and benefits package.
- Opportunities to expand your competencies and experience in a fast-moving, complex telecom environment.
Apply online using the form below. Please note that only applications matching the job profile will be considered.