Senior Network Administrator

7 days ago


Toronto, Ontario, Canada Esri Canada Full time

The Senior Network Administrator will be primarily responsible for technical design, planning, implementation, and maintenance of the enterprise network, which includes corporate and regional LAN, WAN (SD-WAN), Internet accesses, and Wi-Fi along with overseeing IT security and safety of the computing environment from any types of internal/external and cyber threats.Technical Responsibilities: Design, implement and maintain Esri Canada's corporate and regional HPE Aruba LAN, Palo Alto WAN (SD-WAN), Internet accesses, and HPE Aruba Wi-Fi services ensuring optimal performance, reliability, and scalability.Administration and maintenance of corporate Palo Alto Firewall / Prisma and Global Protect VPN access controlDevelop and implement security policies, procedures, and best practices to safeguard the organization's systems and data.Develop and maintain incident response plans to ensure a swift and effective response to security events.Conduct regular vulnerability assessments and manage the remediation of identified vulnerabilities.Conduct security audits to assess compliance with industry standards and regulations.Implement and manage network monitoring tools to detect and respond to anomalies and security incidents.Facilitate corporate and regional expansion needs for network, telephony, electrical, cooling, and UPSSupport and maintenance of Microsoft Teams Telephony and Genesys Contact CenterCreate and maintain technical and end-user documentation on networking and securityMinimum Education Requirement:University degree in Computer Science, Information Technology, Network Administration, or a related discipline.Relevant certification in the area of cyber security and network administration Minimum Experience and Training Requirement:Expertise in networking protocols, security architectures, and best practicesExpertise in security technologies like firewalls, IDS/IPS, VPNs, and endpoint protection.Expertise in network segregation with Layer 2 (VLANs) and Layer 3 (subnets) with access controls implemented (Private VLANs, ACLs, Firewalls)Expertise in Microsoft Active Directory, DNS, and DHCP systemsExpertise in Security Information and Event Management (SIEM)Expertise in Managed Detection and Response (MDR)Exposure to Security compliance like ISO 27001Exposure to Business Continuity and Disaster Recovery PlansExposure to cybersecurity protocols and servicesExposure to Incident Response PlanThe following competencies are essential to this role:Strong leadership and managerial skills to lead a team and drive security initiatives.Effective communication skills to convey complex technical concepts to technical and non-technical stakeholders.Ability to manage and prioritize multiple projects, ensuring timely and successful completion.Esri Canada fosters a dynamic and inclusive work culture, the opportunity to build your skills, and the flexibility to work remotely or at any of our offices across Canada. Occasional travel to corporate offices or customer sites may be required for certain positions. We offer attractive salaries, a stable work environment, and an outstanding benefits package with ample vacation time. Esri Canada values employment equity and will provide accommodations upon request at any stage of the hiring process. Our hiring process includes background checks as a condition of employment._________________________________________________________________________________________________________L'administratrice ou l'administrateur réseau sera principalement responsable de la conception technique, de la planification, de la mise en œuvre et de l'entretien du réseau d'entreprise, ce qui comprend les réseaux locaux et régionaux, les réseaux étendus (SD-WAN), les accès Internet et le réseau sans fil Wi-Fi. Cette personne s'occupe également de la surveillance de la sécurité informatique et de la protection de l'environnement informatique contre tous les types de menaces internes et externes et de cybermenaces. Responsabilités techniques: Concevoir, mettre en œuvre et entretenir le réseau local HPE Aruba, le réseau étendu Palo Alto (SD-WAN), les accès Internet et les services Wi-Fi HPE Aruba de l'entreprise et des régions d'Esri Canada, en veillant à ce que les performances, la fiabilité et l'évolutivité soient optimales.Administrer et entretenir le pare-feu d'entreprise Palo Alto et le contrôle d'accès VPN Prisma et Global Protect.Élaborer et mettre en œuvre des politiques, des procédures et des meilleures pratiques en matière de sécurité afin de protéger les systèmes et les données de l'organisation.Élaborer et tenir à jour des plans de réponse en cas d'incident afin de garantir une réaction rapide et efficace aux événements liés à la sécurité.Procéder à des évaluations régulières des vulnérabilités et gérer la correction des vulnérabilités identifiées.Mener des audits de sécurité pour évaluer la conformité avec les normes et réglementations du secteur.Mettre en œuvre et gérer des outils de surveillance de réseau en vue de détecter les anomalies et les incidents de sécurité et d'y répondre.Pourvoir aux besoins d'expansion de l'entreprise et des régions en matière de réseau, de téléphonie, d'électricité, de refroidissement et d'alimentation sans coupure.Prendre en charge et entretenir le système Microsoft Téléphonie Teams et le logiciel de centre d'appels Genesys.Créer et tenir à jour la documentation technique et à l'intention des utilisateurs finaux portant sur les réseaux et la sécurité. Exigences minimales en matière de formation:Diplôme universitaire en informatique, en technologie de l'information, en administration de réseaux ou dans une discipline connexe.Certification pertinente dans le domaine de la cybersécurité et de l'administration de réseaux. Exigences minimales en matière d'expérience et de formation:5 å 7 ans d'expérience en sécurité réseau.Expertise en matière de protocoles de réseau, d'architectures de sécurité et de meilleures pratiques.Expertise en technologies de sécurité telles que les pare-feu, les systèmes de détection et de prévention des intrusions, les VPN et la protection des points d'accès.Expertise dans la ségrégation des réseaux avec la couche 2 (VLAN) et la couche 3 (sous-réseaux) avec mise en œuvre de contrôles d'accès (VLAN privés, liste de droits d'accès, pare-feu).Expertise dans les systèmes Microsoft Active Directory, DNS et DHCP.Expertise en gestion des informations et des événements de sécurité (GIES).Expertise en services de détection et de réponse gérées (DRG).Connaissance de la conformité en matière de sécurité (p. ex., la norme ISO Connaissance des plans de continuité des activités et de reprise après sinistre.Connaissance des protocoles et services de cybersécurité.Connaissance des plans d'intervention en cas d'incidents.Les compétences suivantes sont essentielles pour ce poste:Solides compétences en matière de leadership et de gestion permettant de diriger une équipe et de mener des initiatives en matière de sécurité.Compétences de communication efficaces permettant d'expliquer des concepts techniques complexes à des parties prenantes expertes et novices en technologie.Capacité à gérer et à hiérarchiser plusieurs projets, en veillant à ce qu'ils soient menés à bien dans les délais impartis.Esri Canada met en valeur une culture de travail dynamique et inclusive, ainsi que votre perfectionnement professionnel et la flexibilité de travailler à distance ou à l'un de nos bureaux au Canada. Certains postes peuvent nécessiter des déplacements occasionnels à destination des bureaux de l'entreprise ou d'un client. Nous offrons des salaires attrayants, un environnement de travail stable et un ensemble d'avantages sociaux exceptionnels avec de nombreuses vacances. Esri Canada accorde une grande importance à l'égalité d'accès à l'emploi et fournira des mesures d'adaptation sur demande à n'importe quelle étape du processus d'embauche. Notre processus d'embauche inclut la verification des antécédents comme condition d'emploi.



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