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Groupe SII

Administrateur Système Linux (Senior) (Duplicated)

Montreal, QC, Canada

Job type: Full-time
Apply by: Oct 29, 2026
Posting language: English · French
Posted: Sep 29, 2026

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Applications open in a new tab.

Original job description

English section of this bilingual listing.

The role includes participation in a Follow-the-Sun support model covering Europe and Asia, as well as planned extended-hours operations at least once per month. Close collaboration with an offshore Level 1 support team is required to continuously improve service delivery.

The individual actively proposes innovative, scalable, and industrialized solutions to automate repetitive tasks and improve overall team efficiency. They contribute to enterprise-wide automation initiatives across multiple feature teams, including API design and development to automate IT operations.

Activities are conducted in alignment with ITIL practices, including Change, Incident, and Request Management. The role reinforces agile practices, with Scrum as the core framework, and provides technical expertise and architectural insight in the design and delivery of feature team products.

The position supports a large-scale environment of more than 2,500 servers, ensuring stability, performance, and continuous improvement.

Required Profile

Mandatory skills:

Advanced expertise in Linux Server Operating Systems (RHEL), including administration, lifecycle management, hardening, and performance tuning
Strong troubleshooting capabilities at kernel, process, memory, and I/O levels
Experience with monitoring and observability tools (Zabbix, Prometheus, custom health checks)
Strong development and scripting skills (Python, Bash, Ansible, Puppet)
Proven experience with production-grade automation, API integrations, and tooling
Knowledge of volume management (LVM, multipathing) and filesystem tuning (XFS, ext4)
Puppet expertise including modular design, Hiera, environment management, and large-scale configuration enforcement
Experience with cloud-based and hybrid architectures, provisioning, and integration
Proficiency with Red Hat Identity Management (IdM), LDAP integration, and authentication/authorization workflows
Knowledge of enterprise x86 hardware (HP, Dell), including firmware, BIOS, and RAID
Strong understanding of TCP/IP and related services (LDAP, DHCP, DNS, SMTP, NFS) and complex dependency troubleshooting
Experience with enterprise backup platforms (e.g., NetBackup), restore validation, and disaster recovery preparedness
Knowledge of SAN, Fibre Channel storage, NFS, and multipath I/O configurations
Understanding of high availability clustering and failover mechanisms
Experience with patch management, compliance, and vulnerability remediation
Strong skills in root cause analysis (RCA) and production problem management
Contributions to open-source projects, including code reviews and documentation
Ability to work in a bilingual environment
Knowledge of the Elastic Stack (Elasticsearch, Kibana, Logstash) for centralized logging
Experience with Software Factory tools (Jenkins, CI/CD pipelines) and Continuous Delivery practices
Knowledge of OpenStack (compute, networking, storage, operations)

Read the full bilingual original

Missions

Au sein d’une équipe organisée en mode agile, la personne intervient comme membre clé dans la fourniture du support opérationnel Unix et dans la réalisation de projets d’infrastructure. Elle assure le suivi des demandes et des incidents clients avec un haut niveau de transparence, de responsabilité et de posture de partenaire de confiance.

Le rôle inclut une participation à un dispositif de support « Follow-the-Sun » couvrant l’Europe et l’Asie, ainsi qu’à des opérations planifiées en heures étendues au moins une fois par mois. La personne collabore étroitement avec une équipe de support de niveau 1 basée à l’international afin d’optimiser en continu la qualité de service.

Elle est force de proposition sur des solutions innovantes, scalables et industrialisées visant à automatiser les tâches répétitives et à améliorer l’efficacité globale de l’équipe. Elle contribue activement aux initiatives d’automatisation à l’échelle de l’entreprise, en lien avec plusieurs feature teams, notamment via la conception et le développement d’API orientées automatisation des opérations IT.

Les activités sont conduites dans le respect des bonnes pratiques ITIL (gestion des changements, des incidents et des demandes). La personne renforce et applique les pratiques agiles, avec Scrum comme cadre principal, et apporte une expertise technique et une vision architecturale lors de la conception et de la livraison des produits des feature teams.

Elle intervient sur un environnement de grande envergure comprenant plus de 2 500 serveurs, en assurant leur stabilité, leur performance et leur évolution.

Profil Recherché

Compétences indispensables :

Expertise avancée des systèmes Linux Server (RHEL), incluant l’administration, la gestion du cycle de vie, le durcissement et l’optimisation des performances
Excellentes capacités de diagnostic et de résolution d’incidents aux niveaux noyau, processus, mémoire et I/O
Expérience des outils de supervision et d’observabilité (Zabbix, Prometheus, contrôles de santé personnalisés)
Solides compétences en développement et en scripting (Python, Bash, Ansible, Puppet)
Maîtrise de l’automatisation en environnement de production, des intégrations API et des outils associés
Connaissance de la gestion des volumes (LVM, multipathing) et de l’optimisation des systèmes de fichiers (XFS, ext4)
Expertise Puppet incluant la conception modulaire, Hiera, la gestion des environnements et l’application de configurations à grande échelle
Expérience des technologies cloud et des architectures hybrides (provisionnement, intégration)
Maîtrise de Red Hat Identity Management (IdM), de l’intégration LDAP et des mécanismes d’authentification et d’autorisation
Connaissance des infrastructures matérielles x86 (HP, Dell) : firmware, BIOS, RAID
Très bonne compréhension des protocoles TCP/IP et des services associés (LDAP, DHCP, DNS, SMTP, NFS), ainsi que de leurs interdépendances
Expérience des solutions de sauvegarde d’entreprise (ex. NetBackup), des restaurations et de la préparation à la reprise après sinistre
Connaissance des environnements SAN, Fibre Channel, NFS et des configurations multipath I/O
Compréhension des mécanismes de haute disponibilité et de bascule
Expérience de la gestion des correctifs, de la conformité et de la remédiation des vulnérabilités
Solides compétences en analyse des causes racines (RCA) et en gestion des problèmes en production
Contributions à des projets open source (revues de code, documentation, plateformes collaboratives)
Capacité à travailler dans un contexte bilingue

Compétences Appréciées

Expérience avec Red Hat Satellite (content views, lifecycle environments, gestion des correctifs à grande échelle)
Connaissance de la suite Elastic (Elasticsearch, Kibana, Logstash) pour la centralisation des logs
Expérience des outils de Software Factory (Jenkins, pipelines CI/CD) et des pratiques de Continuous Delivery
Connaissance d’OpenStack (compute, réseau, stockage, opérations)

Responsibilities

As part of an agile-organized team, the role contributes to Unix operational support and infrastructure projects. The position ensures end-to-end follow-up of client requests and incidents, with a strong focus on transparency, accountability, and trusted partnership.

The role includes participation in a Follow-the-Sun support model covering Europe and Asia, as well as planned extended-hours operations at least once per month. Close collaboration with an offshore Level 1 support team is required to continuously improve service delivery.

The individual actively proposes innovative, scalable, and industrialized solutions to automate repetitive tasks and improve overall team efficiency. They contribute to enterprise-wide automation initiatives across multiple feature teams, including API design and development to automate IT operations.

Activities are conducted in alignment with ITIL practices, including Change, Incident, and Request Management. The role reinforces agile practices, with Scrum as the core framework, and provides technical expertise and architectural insight in the design and delivery of feature team products.

The position supports a large-scale environment of more than 2,500 servers, ensuring stability, performance, and continuous improvement.

Required Profile

Mandatory skills:

Advanced expertise in Linux Server Operating Systems (RHEL), including administration, lifecycle management, hardening, and performance tuning
Strong troubleshooting capabilities at kernel, process, memory, and I/O levels
Experience with monitoring and observability tools (Zabbix, Prometheus, custom health checks)
Strong development and scripting skills (Python, Bash, Ansible, Puppet)
Proven experience with production-grade automation, API integrations, and tooling
Knowledge of volume management (LVM, multipathing) and filesystem tuning (XFS, ext4)
Puppet expertise including modular design, Hiera, environment management, and large-scale configuration enforcement
Experience with cloud-based and hybrid architectures, provisioning, and integration
Proficiency with Red Hat Identity Management (IdM), LDAP integration, and authentication/authorization workflows
Knowledge of enterprise x86 hardware (HP, Dell), including firmware, BIOS, and RAID
Strong understanding of TCP/IP and related services (LDAP, DHCP, DNS, SMTP, NFS) and complex dependency troubleshooting
Experience with enterprise backup platforms (e.g., NetBackup), restore validation, and disaster recovery preparedness
Knowledge of SAN, Fibre Channel storage, NFS, and multipath I/O configurations
Understanding of high availability clustering and failover mechanisms
Experience with patch management, compliance, and vulnerability remediation
Strong skills in root cause analysis (RCA) and production problem management
Contributions to open-source projects, including code reviews and documentation
Ability to work in a bilingual environment

Nice To Have

Experience with Red Hat Satellite (content views, lifecycle environments, large-scale patch management)
Knowledge of the Elastic Stack (Elasticsearch, Kibana, Logstash) for centralized logging
Experience with Software Factory tools (Jenkins, CI/CD pipelines) and Continuous Delivery practices
Knowledge of OpenStack (compute, networking, storage, operations)

Partenaire technologique de grandes entreprises depuis 1979, le Groupe SII est au cœur de l'économie de l'innovation, avec 16 000 employés, une présence internationale dans 20 pays et un chiffre d'affaires dépassant 1,621 milliard de dollars canadiens.

SII Canada offre à ses clients une expertise technique de pointe dans les domaines du développement d'applications, du web et du mobile, de la cybersécurité et du cloud computing. Nous fournissons également des services d'ingénierie, notamment pour les systèmes embarqués dans divers secteurs industriels. Notre ambition est de faire progresser les systèmes d'information et de contribuer à la création des produits et services de demain pour nos clients.

De plus, l'inclusion est au cœur de notre culture d'entreprise. SII Canada s'engage à offrir un environnement de travail équitable et respectueux qui favorise la diversité et l'égalité des chances

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More about this job

Responsibilities

Provide operational Unix support and deliver infrastructure projects for an environment of more than 2,500 servers, ensuring stability, performance, and continuous improvement. Manage client requests and incidents, collaborate with international support teams, and contribute to enterprise automation, API development, and agile feature-team delivery.

Requirements

Candidates need advanced RHEL administration and troubleshooting expertise, strong scripting and automation skills, and experience with Puppet, monitoring, storage, networking, identity management, backups, and high availability. Experience with cloud and hybrid environments, production problem management, vulnerability remediation, and open-source contributions is also required; bilingual work capability is expected.

Skills

Linux Server Administration
Red Hat Enterprise Linux
Python
Bash
Ansible
Puppet
IT Automation
API Development
Troubleshooting
Monitoring and Observability
Cloud and Hybrid Architectures
Identity and Access Management
Storage and Multipathing
Backup and Disaster Recovery
High Availability
Root Cause Analysis

Visa sponsorship

Not detected in the job text

Keywords

Linux
Red Hat Enterprise Linux
Python
Bash
Ansible
Puppet
Zabbix
Prometheus
ITIL
Scrum
API Integration
Automation
LVM
XFS
Ext4
Red Hat Identity Management
LDAP
TCP/IP
DNS
DHCP
NFS
NetBackup
SAN
Fibre Channel
High Availability
Red Hat Satellite
Elastic Stack
Jenkins
CI/CD
OpenStack

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