Senior Cloud & Network Specialist | Spécialiste principal(e) infonuagique et réseau

About Jesta I.S.
Join a diverse team supporting leading retail, wholesale, and supply chain organizations worldwide. For more than 55 years, Jesta I.S. has delivered ERP solutions for the apparel, footwear, and soft goods industries. Our Vision Suite platform and AI-powered FarsightIQ help global brands connect people, processes, and data across their operations.
About the Role
Jesta I.S. is seeking an experienced Senior Cloud & Network Specialist to design, manage and secure our enterprise cloud and network infrastructure, with a primary focus on Oracle Cloud Infrastructure (OCI). You will take ownership of complex cloud networking, customer connectivity, firewalls, VPNs and hybrid infrastructure. We are looking for someone with deep networking expertise, strong cloud experience and the ability to leverage automation and AI to solve complex technical challenges.
Key Responsibilities
Design, implement and manage OCI networking, including VCNs, DRGs, routing, security controls, Site-to-Site VPNs and FastConnect.
Design, deploy and troubleshoot production cloud networking across OCI and at least one of Microsoft Azure or AWS, ensuring secure and reliable hybrid connectivity.
Manage and troubleshoot enterprise networks, Cisco or Fortinet firewalls, IPsec tunnels, routing, NAT and customer connectivity.
Independently lead the resolution of complex network and cloud connectivity incidents, including routing, NAT, firewall and VPN issues, through structured root-cause analysis.
Support hybrid infrastructure across OCI, Azure, AWS and on-premises data centers.
Lead network optimization and cloud migration projects from design through implementation.
Automate infrastructure operations using Terraform, scripting and approved AI tools.
Collaborate with system administration and security teams to maintain reliable and secure cloud and Microsoft environments.
Required Experience
7+ years of hands-on enterprise networking and infrastructure experience, including complex routing, firewalls and site-to-site VPNs.
At least 5 years of hands-on experience configuring and troubleshooting enterprise networks, firewalls (Cisco or Fortinet), routing and site-to-site IPsec VPN tunnels.
Hands-on production experience designing, deploying and troubleshooting cloud networking in OCI, and in at least one of Microsoft Azure or AWS, including hybrid connectivity.
Strong troubleshooting expertise across Cisco or Fortinet firewalls, IPsec, BGP/static routing, NAT and network security.
Demonstrated ability to independently lead technical projects and resolve critical network and cloud connectivity incidents.
Strong automation skills and the ability to use AI tools effectively for technical research, troubleshooting and operational improvement.
Education & Certifications
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent education and experience.
Microsoft Azure or equivalent cloud certification required; additional cloud, cybersecurity, automation, or architecture certifications (asset).
Experience with OCI, Microsoft technologies, VMware, and enterprise monitoring platforms (asset).
Relevant cloud, networking, cybersecurity, or infrastructure certifications (asset).
Technical Skills
Cloud: Oracle Cloud Infrastructure (OCI), Microsoft Azure, AWS
Networking: VCNs, DRGs, FastConnect, Routing, Switching, BGP, NAT, VLANs, IPsec, Site-to-Site VPNs
Security: Cisco ASA, Cisco Firepower, Fortinet, Network Security Controls
Infrastructure: Hybrid Cloud, Customer Connectivity, On-Premises Data Centers
Microsoft & Virtualization: Windows Server, Active Directory, Entra ID, Microsoft 365, VMware
Automation & Monitoring: Terraform, Infrastructure-as-Code (IaC), PowerShell, SolarWinds, SNMP, Syslog, Wireshark, Azure DevOps, AI productivity tools
Professional Competencies
Strong analytical thinking and problem-solving abilities with a structured approach to diagnosing complex technical issues.
Ability to manage multiple priorities and perform effectively in a fast-paced, customer-focused environment.
Strong communication and documentation skills, with the ability to explain technical concepts to both technical and non-technical audiences.
Ability to build collaborative relationships and work effectively across Infrastructure, Security, Development, DevOps, Product, and business teams.
Self-motivated with a strong sense of ownership, accountability, and initiative.
Ability to adapt to evolving technologies, processes, and business requirements.
Commitment to continuous learning and leveraging automation and AI tools to drive operational improvements.
Additional Information
This is a hybrid role; 2 days per week in the Montreal, QC office is required.
Occasional after-hours support may be required for critical incidents
We thank all applicants for their interest. However, only shortlisted candidates will be contacted.
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À propos de Jesta I.S.
Joignez-vous à une équipe qui soutient des organisations de premier plan dans les secteurs du commerce de détail, de la vente en gros et de la chaîne d'approvisionnement. Depuis plus de 55 ans, Jesta I.S. fournit des solutions ERP aux industries de l'habillement, de la chaussure et des biens de consommation. Notre plateforme Vision Suite et notre solution FarsightIQ propulsée par l'IA aident les marques mondiales à connecter leurs équipes, leurs processus et leurs données.
Présentation du poste
Jesta I.S. est à la recherche d'un(e) spécialiste principal(e) infonuagique et réseau expérimenté(e) pour concevoir, gérer et sécuriser notre infrastructure infonuagique et réseau d'entreprise, avec un accent particulier sur Oracle Cloud Infrastructure (OCI). Vous serez responsable des environnements complexes de réseautique infonuagique, de la connectivité client, des pare-feu, des VPN et des infrastructures hybrides. Nous recherchons une personne possédant une solide expertise en réseautique, une forte expérience infonuagique ainsi que la capacité de tirer parti de l'automatisation et des outils d'IA pour résoudre des défis techniques complexes.
Responsabilités principales
Concevoir, mettre en œuvre et administrer les réseaux OCI, notamment les VCN, DRG, mécanismes de routage, contrôles de sécurité, VPN site à site et FastConnect.
Concevoir, déployer et résoudre les problèmes liés aux réseaux infonuagiques en production dans OCI ainsi que dans au moins l'un des environnements suivants : Microsoft Azure ou AWS, en assurant une connectivité hybride sécuritaire et fiable.
Administrer et diagnostiquer les réseaux d'entreprise, les pare-feu Cisco

Employment type
Full-Time

Work arrangement
No