Administrateur Système Linux (Senior)
SII Group
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.
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.
- Previous experience in a Linux expert or senior Linux administration role.
- Experience working in Agile environments.
- ...Crafty Penguins is growing our team! We are hiring a full-time Linux Systems Specialist - Senior, Tier 3 to collaborate with our growing team and serve our growing customer base. This role requires you to creatively solve technical problems but to also develop and maintain...SeniorLinuxRemote jobPermanent employmentFull timeFor contractorsFlexible hours
$90k - $95k per year
...Discount Program Introduction: ICES is seeking a Senior System Administrator to join our Technology department. The Senior System Administrator... ...for High-Performance Computing (HPC) infrastructure and Linux-based systems by utilizing advanced troubleshooting skills...SeniorLinuxFull timeContract workFlexible hours$90k - $110k per year
...GGlassHouse Systems (GHS) is an enterprise systems and managed services solutions provider... ...experiences. We are looking for a Senior Systems Administrator to provide hands-on infrastructure... ...Service Desk, L2 Support, SysAdmin, and Linux SysAdmin resources for complex...SeniorLinuxLong term contractFull timeWork at office3 days per week$80k - $85k per year
...and technology adoptions with an enterprise view. Position Summary: The Workplace System Administrator, who is a member of the IT Infrastructure team, leads the System Administration to serve all Riverside users. The quality of the service is evaluated by service...SuggestedLong term contractPermanent employmentFull timeWork at officeRemote workWork from homeHome office- ...Responsibilities: Provides systems administration and systems operations support, including setting up user access, user profiles, backup and recovery, day-to-day computer systems operations. Perform software upgrades, apply patches, and provide customer interface to...SeniorFull time
$64.28 - $68.9 per hour
...RQ11514 - Senior Systems Administrator/Operations Support Specialist Contract: 6 Months(140 Business Days) Security Level: CRJMC Location... .... Demonstrated experience with Siebel Server administration including installation configuration patching upgrades and...SeniorContract work$85k - $135k per year
Senior Systems & Network Administrator (Windows, Linux, Cisco & F5) Position Description Position Summary We are seeking a highly skilled Senior Systems & Network Administrator to join our Infrastructure & Operations team. This role is responsible for the administration...SeniorLinuxRemote work- ...our IT team,â¯you’llâ¯be the backbone of the critical safety systems that support our teams and partners with dependable, resilient... ...preferred) ~ Experience: ~5 years' experience in system/network administration, with previous experience using VMware ~ Knowledge & Skills:...Full time
$102k - $133k per year
...of others, and it defines our culture. The Role: The Senior Business Systems Analyst will join the Enterprise Systems Team within the Technology... ...applications, maintain system documentation, provide administrative support, and provide user support for bug fixes and future...SeniorFull timeWork at officeLocal areaFlexible hours$75k - $90k per year
...CANADA SOCCER JOB DESCRIPTION Position: IT Systems Administrator Reports to: Chief Operating Officer / CFO Department: IT... ...CANADA SOCCER — DESCRIPTION DU POSTE Poste : Administrateur·trice des systèmes TI Relève de : Chef de l'exploitation...Permanent employmentFull timeWork at officeRemote workFlexible hoursWeekend workDay shiftAfternoon shift$22 - $28 per hour
...The Opportunity Provides technical administration, support, and analysis of the company’s critical network and business systems, including both the hardware and software environments... ...Windows systems; working knowledge of Linux Operating Systems, Active Directory, Exchange...LinuxHourly payRemplacementContract workSummer workInternshipSummer internship$70k - $110k per year
...Manufacturing Inc. Role: Senior Security and Compliance Administrator Location: Etobicoke &... ...-built walls, floors, and roofing systems, factory-built modular units, and... ...hands-on IT security and compliance administration experience across multiple sites and...SeniorPermanent employmentFull time$85k - $110k per year
...Senior Systems Administrator – Level 2/3 Managed Services Location: Midtown Toronto, ON Work Arrangement: Primarily office-based... ...-facing technical role that combines systems and network administration, Microsoft 365, cybersecurity, managed services, and building...SeniorPermanent employmentFull timeWork at officeRemote workMonday to fridayFlexible hoursShift work$70.2 - $84.24 per hour
...RQ00822 - Systems Testing/QA Specialist - Senior 6 Months contract (282 Business Days) Hybrid - Metro Hall, 55 John Street Toronto... ...closely with project managers, implementation team, system administrators, architects, vendors (as needed) and database administrators...SeniorFull timeContract work$60k - $65k per year
...IT Systems Administrator (Microsoft 365 & SharePoint) Job Type: Permanent Full Time Location... ...This role will be responsible for the administration of Microsoft 365 services, Entra ID, Intune... ...pretending to be recruiters or senior personnel at Goway Travel. We will never...SeniorPermanent employmentFull timeLocal areaRemote workWorldwide$160k - $180k per year
...service-to-service networking, data-plane efficiency, OLAP analytics systems, databases such as Aurora PostgreSQL and MongoDB Atlas, cost... ...and GitOps tooling where appropriate. Solid understanding of Linux, TCP/IP, gRPC, connection behaviour under load, and service-to-...SeniorLinuxFull timeWork at officeRemote workWorldwideFlexible hours$92k - $118k per year
...Modernize business-critical applications through Unix/Linux development, automation and containerization. The Role Capco is looking for a Unix/Linux Developer to support a major application modernization initiative focused on upgrading legacy applications, Unix...LinuxFull timeInternshipImmediate start$82k - $111k per year
...Title: Senior Finance Systems Analyst Department: Corporate Finance Reporting to: Senior Director of Transformation Compensation... ...reporting, testing, and system optimization; Sage Intacct administration or certification preferred. ~ Understanding of finance and...SeniorRemote jobFull timeLocal areaWorldwideRelocationFlexible hours$110k - $140k per year
...inclusive environment, and get the benefits, flexibility, and support you need to succeed. About the Role: The Senior Financial Systems Administrator will sit on the Enterprise Systems Team that is within the Technology Operations organization. This individual will...SeniorFull timeWork at officeRemote workFlexible hours$100k - $120k per year
...along the way. Numeris is seeking a Senior Cloud Systems Engineer to lead the design,... ...Platform architecture experience. • Linux management and scripting • Scripting... ...and compliance frameworks. • Networks Administration • Bachelor’s degree in Computer Science...SeniorLinuxFull timeWork at officeWork from home- ...learning never stops. The Adventure Ahead As a Senior Product Designer, Content Design & Language Systems , you’ll lead ambiguous product problems where... ...authoring, analytics, knowledge management, administration, or skills platforms Practical experiments with...SeniorFull timeWork at office3 days per week
$180.2k - $233.2k per year
...join us. Imagine what we’ll build together. About the Design Systems Team The Design Systems team owns Thumbprint , Thumbtack's design... ...connects design intent to shipped product code. We're small and senior — a design manager and two product designers in the design org,...SeniorSeasonal workWork at officeLocal area$125.62k - $175.62k per year
...and Company-wide events to stay connected and engaged. * We’re a certified Great Place to Work ®, five years in a row! As a Senior Systems Engineer, you will be a key technical leader driving the architecture and execution of complex space systems. You will lead...SeniorFull timeInternshipWork at officeRelocation package- ...selection of testing tools, and the identification of resources required for testing. Plans and organizes testing efforts for large systems in Graphical User Interface (GUI) and non-Graphical User Interface (GUI) environments, including the execution of systems integration...SeniorFull timeManual labor
$67.79 - $73.66 per hour
...RQ11622 - Systems Testing/QA Specialist - Senior Duration: 6 Months (135 Business Days) 1 Extension Location: 5 Days Onsite at Toronto No Clearance Required Description Must Have: ~10 years of experience in software testing in enterprise-level...SeniorManual labor- ...to join a collaborative Information Systems team supporting critical business applications... ..., Information Systems, ERP, the Senior ERP Systems Administrator will provide both technical and... ...Maintenance IQ platform, overseeing administration, configuration, enhancements, issue...SeniorPermanent employment
- ...classes -Familiarity with templating in C++ -Good knowledge of Linux/UNIX Scripting, PERL, ANT and or other shell scripting -... ...willingness to develop documentation on technical architecture, system designs and hardware/software/application configurations and operations...LinuxFull timeFlexible hours
$60 - $70 per hour
...Summers , and Jack Dorsey . Position: Application Users - Linux Ubuntu 24.04 Expert - Professionals Type: Contract... ...Collaborate with DevOps and open-source developers to enhance system performance. Capture high-resolution screenshots to document...LinuxFull timeContract workSummer workRemote work$60 - $80 per hour
...General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Medical Secretaries and Administrative Assistants Type: Contract Compensation: $60–$80/hour Location: Remote Duration: 3–4 weeks...SeniorFull timeContract workSummer workImmediate startRemote work$140k - $190k per year
...configurations and customizations of their SAP ERP system, and accessing the latest capabilities... .... Enhanced Operations Service Senior Specialist plays a pivotal role within... ...build: We are looking for an experienced Linux Administration expert for the Enhanced Operations...SeniorLinuxPermanent employmentFull timeLocal areaWorldwideFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Administrateur Système Linux (Senior). Be the first to apply!
- administrateur système Toronto, ON
- system administrator intern Toronto, ON
- cloud system administrator Toronto, ON
- senior system administrator Toronto, ON
- intermediate system administrator Toronto, ON
- IT system administrator Toronto, ON
- server assistant Toronto, ON
- junior systems administrator Toronto, ON
- linux Toronto, ON
- senior contracts manager contracts specialist Toronto, ON

