Gramian 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.About the RoleOur client is a global investment organization 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.We are looking for a Senior Network Engineer to lead the design, implementation, and optimization of a global enterprise network infrastructure. 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.CONTRACT: Permanent (CDI)COMMITMENT: Full-timeLOCATION: Geneva, SwitzerlandPROCESS: Client Interview ProcessNOTES: Fluent French and English are mandatoryParticipation in an on-call rotation is requiredCCNA certificate mandatoryKey ResponsibilitiesDesign, implement, and maintain Cisco/HPE enterprise networks, Fortinet security infrastructure, and Azure cloud networking across multiple international locations.Lead the evolution of hybrid network architectures spanning on-premises data centers and cloud environmentsManage the lifecycle of network infrastructure, including capacity planning, hardware refreshes, and disaster recoveryConfigure and maintain firewalls, VPNs, and secure network servicesProvide 3rd-line technical support for complex networking incidentsCollaborate with cybersecurity and infrastructure teams to improve network performance and securityManage relationships with telecommunications providers and external technology partnersEnsure network monitoring, availability, and compliance with operational standardsContribute to infrastructure projects, architecture decisions, and continuous improvement initiativesParticipate in an on-call rotation to support business-critical systemsRequirements8+ years of experience in enterprise network engineering Proven expertise with Cisco and/or HPE Aruba enterprise networking solutions Hands-on experience with Fortinet firewalls and network security technologies Experience designing and supporting Microsoft Azure networking environments Strong expertise in routing, switching, WAN, LAN, WLAN, VPNs, and network security Experience troubleshooting complex enterprise network infrastructures Professional networking certification (CCNP, JNCIP, Aruba, or equivalent) Fluent French and EnglishPreferred QualificationsAdvanced networking certifications (CCIE, JNCIE, or equivalent)Experience within financial services or highly regulated industriesExperience with network automation and infrastructure-as-codeKnowledge of enterprise monitoring and observability platformsExperience with disaster recovery and business continuity planning
Gramian 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.
About the Role
Our client is a global investment organization 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.
We are looking for a Senior Network Engineer to lead the design, implementation, and optimization of a global enterprise network infrastructure. 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.
CONTRACT: Permanent (CDI)
COMMITMENT: Full-time
LOCATION: Geneva, Switzerland
PROCESS: Client Interview Process
NOTES:
- Fluent French and English are mandatory
- Participation in an on-call rotation is required
- CCNA certificate mandatory
Key Responsibilities
- Design, implement, and maintain Cisco/HPE enterprise networks, Fortinet security infrastructure, and Azure cloud networking across multiple international locations.
- Lead the evolution of hybrid network architectures spanning on-premises data centers and cloud environments
- Manage the lifecycle of network infrastructure, including capacity planning, hardware refreshes, and disaster recovery
- Configure and maintain firewalls, VPNs, and secure network services
- Provide 3rd-line technical support for complex networking incidents
- Collaborate with cybersecurity and infrastructure teams to improve network performance and security
- Manage relationships with telecommunications providers and external technology partners
- Ensure network monitoring, availability, and compliance with operational standards
- Contribute to infrastructure projects, architecture decisions, and continuous improvement initiatives
- Participate in an on-call rotation to support business-critical systems
Requirements
- 8+ years of experience in enterprise network engineering
- Proven expertise with Cisco and/or HPE Aruba enterprise networking solutions
- Hands-on experience with Fortinet firewalls and network security technologies
- Experience designing and supporting Microsoft Azure networking environments
- Strong expertise in routing, switching, WAN, LAN, WLAN, VPNs, and network security
- Experience troubleshooting complex enterprise network infrastructures
- Professional networking certification (CCNP, JNCIP, Aruba, or equivalent)
- Fluent French and English
Preferred Qualifications
- Advanced networking certifications (CCIE, JNCIE, or equivalent)
- Experience within financial services or highly regulated industries
- Experience with network automation and infrastructure-as-code
- Knowledge of enterprise monitoring and observability platforms
- Experience with disaster recovery and business continuity planning
Gramian Consultancy brings together the perspective of a software engineer, the knowledge of a technical recruiter, and the vision of a business builder. This unique experience is our signature advantage to delivering top quality services in the domain of recruiting, staff augmentation, and outsourcing.
Gramian Consultancy brings together the perspective of a software engineer, the knowledge of a technical recruiter, and the vision of a business builder. This unique experience is our signature advantage to delivering top quality services in the domain of recruiting, staff augmentation, and outsourcing.
