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Added 26 mins ago
Senior Financial Analyst, Deal Desk (Strategic Finance)
Liftoff
Canada
Liftoff is a leading AI-powered performance marketing platform for the mobile app economy. Our end-to-end technology stack helps app marketers acquire and retain high-value users, while…
Added 41 mins ago
Senior Producer - Pillar | Responsable senior de la production - Pilier
NBCUniversal
Montreal, QC
Full-time
We’re looking for an experienced Senior Producer in AAA game development to lead production strategy and delivery planning for a product pillar.
Added 1 hour ago
[C] Salesforce Engineer / Developer
MLSE (Maple Leaf Sports & Entertainment Partnership)
Toronto, ON
Part-time
MLSE is looking for a Senior Salesforce Loyalty Cloud Administrator/Developer to support the administration, configuration, development, integration, and ongoing optimization of our…
Added 1 hour ago
Gestionnaire de Produits Solutions Industrielles / Industrial Solutions Product Manager
Airbus
Montreal, QC
Full-time
…l'A220 (incluant les usines et lignes d'assemblage de Mirabel et…
Added 1 hour ago
Senior Manager, Customer Implementation & Merchandising Operations - Merchy
Analyticsmart
Toronto, ON
Full-time
Comfort working with mobile apps, reporting tools and operational data.
Added 2 hours ago
Senior Legal Counsel
Neo Financial
Calgary, AB
Full-time
Added 2 hours ago
Administrateur Système Linux (Senior)
SII Canada
Montreal, QC
Full-time
Nous recherchons un(e) Administrateur(trice) Linux Senior pour rejoindre une équipe d’experts en administration de systèmes Unix/Linux de niveau 3. Dans un environnement Agile, la personne…
Added 2 hours ago
Senior Program Manager
Jack Morton Worldwide
Oakville, ON
A Jack Morton Worldwide Senior Program Manager leads the day-to-day execution of client experiential marketing programs, including tradeshows, mobile marketing, and branded environments.…
Added 3 hours ago
Senior Technical Animator - Unannounced project | Animateur·trice technique sénior·e - Projet non annoncé
Behaviour Interactive
Montreal, QC
Full-time
…crafting unforgettable experiences across PC, console, and mobile platforms. We’re a dynamic, independent studio of over 1200 passionate employees, with studios in Toronto (Behaviour…
Added 3 hours ago
Senior Event Planner
Sun Life
Toronto, ON · Waterloo, ON · Montreal, QC · Sun Life Toronto One York
Full-time
Reporting to the Manager, Events, the Senior Event Planner is equal parts strategist, producer, problem-solver, and experience creator. From transforming ideas into unforgettable moments to…
Added 4 hours ago
Administrateur Système Linux (Senior)
Groupe SII
Montreal, QC
Full-time
Nous recherchons un(e) Administrateur(trice) Linux Senior pour rejoindre une équipe d’experts en administration de systèmes Unix/Linux de niveau 3. Dans un environnement Agile, la personne…
Added 5 hours ago
Gestionnaire de Produits Solutions Industrielles / Industrial Solutions Product Manager
Airbus
Montreal, QC · Mirabel, QC
Full-time
…l'A220 (incluant les usines et lignes d'assemblage de Mirabel et…
Added 5 hours ago
Technical Architect
VStream Labs Inc.
Canada
Contract
VStream Labs Inc. is seeking a Senior Digital Architect for a two-year enterprise digital-transformation project.
Added 7 hours ago
Mobile Maintenance Senior Supervisor
Alamos Gold Inc.
Matachewan, ON
Full-time
Are you passionate about mobile equipment maintenance and operational excellence? Do you thrive in a fast-paced, team-oriented mining environment where safety, leadership, and continuous…
Added 7 hours ago
Mobile Maintenance Senior Supervisor
Alamos Gold Inc.
Matachewan, ON
Full-time
Are you passionate about mobile equipment maintenance and operational excellence? Do you thrive in a fast-paced, team-oriented mining environment where safety, leadership, and continuous…
Added 8 hours ago
Lead Quality Assurance Engineer
RemitBee™
Mississauga, ON
$60,000 to $90,000 CAD / year
Full-time
You own quality across Remitbee's web and mobile products - the strategy, the automation, and the team. You'll set how we test, build the frameworks that make it repeatable, and sign off on…
Added 13 hours ago
Senior Frontend Engineer, Conversions (f/m/x)
HelloFresh
Toronto, ON
…our personalization layer remains reliable and fast across mobile and desktop. Above all, we want people who make the team stronger. Even if you do not meet every requirement, we would…
Added 15 hours ago
Senior Privacy Analyst
SOTI
Mississauga, ON
Full-time
At SOTI, we are committed to delivering best-in-class mobile and IoT device management solutions. We are looking for unconventional thinkers who appreciate the art of creating great…
Added 17 hours ago
Senior Manager, Organic Growth
Mistplay
Toronto, ON
$120,000 to $165,000 CAD / year
Full-time
Mistplay is the #1 loyalty app for mobile gamers. Our community of millions of engaged mobile gamers come to Mistplay to discover new games to play and earn rewards. Gamers are rewarded for…
Added 17 hours ago
Senior Application Security Engineer
Nutrien
Saskatoon, SK
Full-time
…about where to focus on the cyber risk areas. It is also a senior role on the team, so there is an expectation to mentor others, provide practical guidance, and step in when leadership…
Added 17 hours ago
Senior Application Security Engineer
Nutrien
Calgary, AB
Full-time
…about where to focus on the cyber risk areas. It is also a senior role on the team, so there is an expectation to mentor others, provide practical guidance, and step in when leadership…
Added 18 hours ago
Director, Product Management - Camera and Vision SoCs
Qualcomm
Canada
Full-time
We are seeking a senior product leader with deep expertise in camera systems, imaging pipelines, and video/AI SoCs. This leader will define and execute the multi-year product strategy that…
Added 18 hours ago
UX Designer – Senior - RQ11683
S M Software Solutions Inc
Toronto, ON
Internship
We are seeking a Senior UX Designer with extensive experience in user experience design, user research, usability testing, responsive and mobile-first design, Agile/Scrum methodologies, and…
Added 18 hours ago
UX Designer – Senior - RQ11683
S M Software Solutions Inc
Toronto, ON
Internship
We are seeking a Senior UX Designer with extensive experience in user experience design, user research, usability testing, responsive and mobile-first design, Agile/Scrum methodologies, and…
Added 18 hours ago
Business Analyst – Senior - RQ11545
S M Software Solutions Inc
Toronto, ON
Internship
We are seeking a Senior Business Analyst to work as part of the Project Management & Program Delivery project team. The successful candidate will collaborate with the core project team,…

SII Canada

Administrateur Système Linux (Senior)

Montreal, QC, Canada

Job type: Full-time
Apply by: Oct 30, 2026
Posting language: English · French
Posted: Sep 30, 2026

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Original job description

English section of this bilingual listing.

Mission

We are seeking a Senior Linux Administrator to join a Level 3 Unix/Linux Systems Administration team. Working within an Agile environment, the successful candidate will contribute to the maintenance, evolution, automation, and security of critical infrastructure while collaborating closely with technical stakeholders to ensure stable, efficient, and secure Linux platforms.

Responsibilities

Provide advanced administration and support for Red Hat Enterprise Linux environments.
Improve tools and processes related to Linux server installation, configuration, and management.
Support development teams in defining and evolving technical architectures while ensuring compliance with security standards and best practices.
Manage incidents, problem resolution, and platform enhancements.
Participate in production support activities and incident analysis.

Automation And Development

Design, develop, and maintain infrastructure automation processes.
Gather functional requirements from infrastructure teams.
Translate business and technical requirements into technical specifications.
Develop APIs and automation tools using Python.
Collaborate with server, storage, and backup teams to expand automation capabilities.

Identity And Access Management

Maintain and enhance solutions used to manage users, groups, and privileged access (sudoers).
Collect and analyze local account data from Linux and Windows servers.
Continuously improve the data collection infrastructure, including architecture, security, documentation, and functional scope expansion.
Investigate and resolve data collection incidents.

Linux Lifecycle Management

Manage the Linux operating system lifecycle.
Perform regular patching and updates of operating system templates across VMware virtualized and bare-metal environments.
Ensure operational stability and security compliance.
Monitor technology obsolescence and recommend improvements.
Maintain related technical documentation.

Required Profile

Bachelor's degree in Computer Science, Software Engineering, or equivalent professional experience.
Strong expertise in Linux system administration.
Excellent analytical and troubleshooting skills.
Solid understanding of distributed software architectures.
Experience with scripting, automation, and infrastructure engineering.
Proficiency in Python and related automation technologies.
Knowledge of PostgreSQL and FastAPI.
Strong communication and teamwork skills.

Read the full bilingual original

Missions

Nous recherchons un(e) Administrateur(trice) Linux Senior pour rejoindre une équipe d’experts en administration de systèmes Unix/Linux de niveau 3. Dans un environnement Agile, la personne contribuera au maintien, à l’évolution et à la sécurisation d’infrastructures critiques. Elle travaillera en étroite collaboration avec les équipes techniques afin d’assurer la stabilité, la performance et l’automatisation des plateformes Linux.

Responsabilités

Assurer l’administration avancée des environnements Linux Red Hat Enterprise.
Améliorer les outils et processus liés à l’installation, à la configuration et à la gestion des serveurs Linux.
Accompagner les équipes de développement dans la définition et l’évolution de leurs architectures techniques tout en respectant les normes de sécurité et les standards établis.
Assurer la gestion des incidents, des problèmes et des évolutions des produits maintenus par l’équipe.
Participer à l’analyse et à la résolution des incidents de production.

Automatisation Et Développement

Concevoir, développer et maintenir des processus d’automatisation.
Recueillir les besoins fonctionnels des différentes équipes d’infrastructure.
Traduire les besoins en spécifications techniques et assurer leur validation auprès des experts concernés.
Développer des API et des outils d’automatisation en Python.
Collaborer avec les équipes serveurs, stockage et sauvegarde afin de renforcer les capacités d’automatisation.

Gestion Des Accès Et Des Identités

Participer à la maintenance et à l’évolution de solutions de gestion des utilisateurs, des groupes et des privilèges (sudoers).
Collecter et analyser les données provenant des comptes locaux sur des serveurs Linux et Windows.
Assurer l’amélioration continue de l’infrastructure de collecte de données, notamment au niveau de l’architecture, de la sécurité, de la documentation et de l’extension du périmètre fonctionnel.
Investiguer et résoudre les incidents liés à la collecte de données.

Gestion du cycle de vie des systèmes Linux :

Gérer le cycle de vie des systèmes d’exploitation Linux.
Réaliser les opérations régulières de mise à jour et de correction des modèles de systèmes dans des environnements virtualisés VMware ou physiques (bare metal).
Maintenir les conditions opérationnelles et de sécurité des plateformes.
Assurer une veille technologique sur les enjeux d’obsolescence.
Maintenir à jour la documentation technique associée.

Profil Recherché

Diplôme universitaire en informatique, génie logiciel ou expérience équivalente.
Solide expertise en administration de systèmes Linux.
Excellente capacité d’analyse et de résolution de problèmes complexes.
Bonne compréhension des architectures logicielles distribuées.
Expérience en automatisation et en développement de scripts.
Maîtrise de Python et des technologies associées à l’automatisation.
Connaissance de PostgreSQL et FastAPI.
Excellentes aptitudes en communication et en collaboration.
Expérience dans un rôle d’expert Linux.
Expérience dans un environnement Agile.

Provide advanced administration and support for Red Hat Enterprise Linux environments.
Improve tools and processes related to Linux server installation, configuration, and management.
Support development teams in defining and evolving technical architectures while ensuring compliance with security standards and best practices.
Manage incidents, problem resolution, and platform enhancements.
Participate in production support activities and incident analysis.

Automation And Development

Design, develop, and maintain infrastructure automation processes.
Gather functional requirements from infrastructure teams.
Translate business and technical requirements into technical specifications.
Develop APIs and automation tools using Python.
Collaborate with server, storage, and backup teams to expand automation capabilities.

Identity And Access Management

Maintain and enhance solutions used to manage users, groups, and privileged access (sudoers).
Collect and analyze local account data from Linux and Windows servers.
Continuously improve the data collection infrastructure, including architecture, security, documentation, and functional scope expansion.
Investigate and resolve data collection incidents.

Linux Lifecycle Management

Manage the Linux operating system lifecycle.
Perform regular patching and updates of operating system templates across VMware virtualized and bare-metal environments.
Ensure operational stability and security compliance.
Monitor technology obsolescence and recommend improvements.
Maintain related technical documentation.

Required Profile

Bachelor's degree in Computer Science, Software Engineering, or equivalent professional experience.
Strong expertise in Linux system administration.
Excellent analytical and troubleshooting skills.
Solid understanding of distributed software architectures.
Experience with scripting, automation, and infrastructure engineering.
Proficiency in Python and related automation technologies.
Knowledge of PostgreSQL and FastAPI.
Strong communication and teamwork skills.
Previous experience in a Linux expert or senior Linux administration role.
Experience working in Agile environments.

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

Administer and secure Red Hat Enterprise Linux platforms, manage their lifecycle across virtualized and bare-metal environments, and support production incidents. Develop Python-based automation and APIs, improve identity and access management and account-data collection, and collaborate with infrastructure and development teams.

Requirements

Requires a bachelor's degree in Computer Science or Software Engineering, or equivalent experience, along with strong Linux administration expertise and experience in a senior Linux role. Candidates should have Python automation and scripting skills, knowledge of PostgreSQL and FastAPI, an understanding of distributed architectures, strong troubleshooting and collaboration abilities, and Agile experience.

Skills

Linux System Administration
Red Hat Enterprise Linux
Python
Infrastructure Automation
API Development
PostgreSQL
FastAPI
Identity and Access Management
Sudoers
Linux Lifecycle Management
Patching and Updates
VMware
Bare-Metal Systems
Incident Management
Distributed Software Architectures
Agile

Visa sponsorship

Not detected in the job text

Keywords

Linux
Unix
Red Hat Enterprise Linux
Python
PostgreSQL
FastAPI
VMware
Bare-Metal Infrastructure
Infrastructure Automation
API Development
System Administration
Identity and Access Management
User and Group Management
Sudoers
Local Account Data
Windows Servers
Patching
Operating System Lifecycle
Distributed Architectures
Incident Management
Production Support
Security Compliance
Technical Documentation
Agile
Infrastructure Engineering

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