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Unix Linux Admin Jobs in Ontario (NOW HIRING)

Emburse

Platform Engineer III

Toronto, ON · On-site

Administer Kubernetes and EKS environments, including installation, networking, security ... Intermediate to advanced Linux and Unix skills. * Understanding of TCP/IP, OSI model, stateless ...

Nasdaq

Systems Operations Specialist

Toronto, ON · Hybrid

CA$84K - CA$115K/yr

Strong expertise in AWS services and cloud architecture, with hands-on experience in Linux/Unix ... AWS certifications (e.g., Solutions Architect, SysOps Administrator). * Experience with scripting ...

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Unix Linux Admin information

What is the difference between Unix Linux Admin vs Network Administrator?

AspectUnix Linux AdminNetwork Administrator
CertificationsLinux+, LPIC, RHCSACompTIA Network+, Cisco CCNA
Work EnvironmentServers, data centers, cloud platformsNetworking hardware, routers, switches
Primary ResponsibilitiesManaging Linux/Unix servers, scripting, system securityConfiguring networks, troubleshooting connectivity, managing network hardware
Industry UsageIT, data centers, cloud servicesTelecommunications, enterprise IT

While both roles involve network and system management, a Unix Linux Admin primarily focuses on managing Linux/Unix servers and related systems, whereas a Network Administrator concentrates on network infrastructure and connectivity. Both roles often collaborate but serve distinct functions within IT environments.

What are some common challenges Unix/Linux Administrators face when managing large-scale server environments?

Unix/Linux Administrators managing large-scale environments often encounter challenges such as ensuring consistent configuration across numerous servers, efficiently automating routine maintenance tasks, and quickly identifying and resolving system performance bottlenecks. Security is also a major focus, requiring admins to stay on top of patch management and vulnerability mitigation. Effective collaboration with development and network teams is crucial for troubleshooting complex issues and implementing infrastructure changes smoothly.

What are the key skills and qualifications needed to thrive as a Unix/Linux Admin, and why are they important?

To thrive as a Unix/Linux Admin, you need in-depth knowledge of Unix/Linux operating systems, shell scripting, system troubleshooting, and typically a degree in computer science or a related field. Familiarity with tools like SSH, cron, Ansible, Puppet, and certifications such as Red Hat Certified System Administrator (RHCSA) are commonly required. Strong problem-solving skills, attention to detail, and effective communication help you stand out in this role. These competencies are vital for maintaining secure, reliable server environments and resolving issues efficiently in critical IT operations.

What are Unix/Linux Administrators?

Unix/Linux Administrators are IT professionals who manage and maintain Unix or Linux operating systems on servers and networks. Their responsibilities include installing, configuring, updating, and troubleshooting system software and hardware. They also handle user account management, system security, backups, and performance tuning. These administrators ensure that systems are secure, stable, and running efficiently to support business operations.
Unix Linux Admin jobs near you
Infographic showing various Unix Linux Admin job openings in Ontario as of July 2026, with employment types broken down into 1% As Needed, 84% Full Time, 10% Part Time, 1% Temporary, and 4% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution.

RQ10554 - Database Administrator - Senior

Flexstaf IT

Toronto, ON • On-site

Full-time

Posted 24 days ago

Job description


Must Have:

  • 10+ years of proven experience in database administration, including database design, implementation, maintenance and support
  • 5+ years of experience in PL/SQL, creating data ETL procedures (very strong) and packages, and query optimization techniques
  • Hands-on experience with DBMS operations such as installation, configuration, migration, and upgrades
  • Strong knowledge of performance tuning, optimization, and capacity planning
  • Experience with one Oracle and SQL Server
  • Experience working with On-Prem and Cloud Technologies such as Azure and OCI Platforms.
  • Experience with RAC, Golden Gate, Data Guard Technologies.
  • Experience with information retrieval tools and query languages such as TOAD, OEM and DB Artisan

Experience and Skill Set Requirements

Database Administration Expertise-50%

  • 10+ years proven experience in database administration, including database design, implementation, maintenance and support
  • Hands-on experience with DBMS operations such as installation, configuration, migration, and upgrades
  • Experience with RAC, Golden Gate, Data Guard Technologies.
  • Experience with performance tuning, optimization, and capacity planning
  • Experience with backup, recovery, and disaster recovery strategies
  • Experience monitoring and enforcing database rules, policies, and standards
  • Knowledge of Incident, Problem, Change, and Configuration Management processes (e.g., ITIL practices)
  • Experience with database security, access control, and data integrity management
  • Basic understanding of communication protocols and networking concepts relevant to databases
  • Ability to support database connectivity and integration across systems

Technical Proficiency -35%

  • Experience with one or more database technologies (e.g., Oracle 12c and above, SQL Server, MySQL, PostgreSQL) in large multi-tenant environments
  • Proficiency in PL/SQL, creating data ETL procedures and Packages, and query optimization techniques
  • Experience working with On-Prem and Cloud Technologies such as Azure and OCI Platforms.
  • Experience working with multiple operating system such as Linux, Unix, and Windows
  • Working knowledge of one or more programming/scripting languages (e.g., Python, Shell)
  • Experience with information retrieval tools and query languages such as TOAD, OEM and DB Artisan
  • Experience coordinating implementation of technically advanced complex systems resources to lower non-production environment

Soft Skills-15%

  • Strong ability to troubleshoot complex database issues and optimize system performance
  • Ability to document processes, designs, and operational procedures clearly
  • Experience in providing complex/specialized systems analysis and design for success
  • Communicates effectively to drive technical outcomes with technical staff/teammates
  • Demonstrated critical thinking and decision-making capabilities
  • Excellent verbal and written communication skills for technical and non-technical audiences
  • Strong interpersonal skills with a collaborative mindset