StellenbeschreibungpGramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs. /p pstrongAbout the Role /strong /ppOur client is a global stronginvestment organization /strong managing a diversified portfolio across financial services, life sciences, healthcare, digital health, real estate, and infrastructure. Their technology team supports a highly secure, international environment where reliability, scalability, and operational excellence are critical to business success. /ppWe are looking for a strongSenior Network Engineer /strongto lead the design, implementation, and optimization of a strongglobal enterprise network infrastructure /strong. In this role, you will be responsible for architecting secure, high-performance networking solutions across on-premises and cloud environments while ensuring the availability, resilience, and security of mission-critical systems. /p pstrongCONTRACT: /strong Permanent (CDI) /ppstrongCOMMITMENT: /strong Full-time /ppstrongLOCATION: /strong Geneva, Switzerland /ppstrongPROCESS: /strong Client Interview Process /ppstrongNOTES: /strong /pullistrongFluent French and English are mandatory /strong /lilistrongParticipation in an on-call rotation is required /strong /lilistrongCCNA certificate mandatory /strong /li /ul h3Key Responsibilities /h3ulliDesign, implement, and maintain strongCisco/HPE enterprise networks /strong, strongFortinet security infrastructure /strong, and strongAzure cloud networking /strong across multiple international locations. /liliLead the evolution of stronghybrid network architectures /strong spanning on-premises data centers and cloud environments /liliManage the lifecycle of network infrastructure, including capacity planning, hardware refreshes, and disaster recovery /liliConfigure and maintain strongfirewalls /strong, strongVPNs /strong, and secure network services /liliProvide strong3rd-line technical support /strong for complex networking incidents /liliCollaborate with cybersecurity and infrastructure teams to improve network performance and security /liliManage relationships with telecommunications providers and external technology partners /liliEnsure network monitoring, availability, and compliance with operational standards /liliContribute to infrastructure projects, architecture decisions, and continuous improvement initiatives /liliParticipate in an on-call rotation to support business-critical systems /li /ulpstrongRequirements /strong /pulli8+ years of experience in strongenterprise network engineering /strong /lili Proven expertise with strongCisco /strong and/or strongHPE Aruba /strong enterprise networking solutions /lili Hands-on experience with strongFortinet /strong firewalls and network security technologies /lili Experience designing and supporting strongMicrosoft Azure /strong networking environments /lili Strong expertise in strongrouting, switching, WAN, LAN, WLAN, VPNs, and network security /strong /lili Experience troubleshooting complex enterprise network infrastructures /lili Professional networking certification (CCNP, JNCIP, Aruba, or equivalent) /lili Fluent strongFrench /strong and strongEnglish /strong /li /ul h3Preferred Qualifications /h3ulliAdvanced networking certifications (CCIE, JNCIE, or equivalent) /liliExperience within financial services or highly regulated industries /liliExperience with network automation and infrastructure-as-code /liliKnowledge of enterprise monitoring and observability platforms /liliExperience with disaster recovery and business continuity planning /li /ul