Systems Administer - Linux

About the job Systems Administer - Linux

Who are we seeking to join our team?

Our client is currently seeking a

System Administrator- Linux

to join our team at the North York head office.

You will contribute to the team by performing the following :

Service oriented, positive attitude.

Serve as the subject matter expert for Linux system platforms, providing Tier III support in diagnosing complex issues, working closely with systems and network engineering teams.

3-5 years experience working with IT platform infrastructure including bare-metal and VMware, Hyper‑V

Server management including (but not limited to) system deployment, configuration and management, monitoring, and operational documentation.

Identifying and implementing initiatives that improve or optimize existing infrastructure environments or processes in regards to security, stability and sustainability.

Work closely with commercial vendors escalating service‑related issues / questions.

Upkeep skills by participating in professional development through educational opportunities, reading professional publications, and maintaining professional designations

Able to quickly learn and implement new technologies and infrastructure best practices in a constantly evolving service provider environment

Ensure the 24 / 7 system / network uptime as part of a weekly On‑Call rotation

Other duties are required by management.

What you bring to the team :

3-5+ years experience working with Linux systems in a production environment (RedHat / CentOS preferred).

Advanced experience in Unix architecture and security.

Advanced UNIX / Linux scripting skills. Shell scripting and coding in bash, perl or similar languages.

3-5+ years experience working with open‑source software including (but not limited to) Apache HTTPd, Tomcat, Asterisk, BIND, MySQL Red Hat IPA Server, etc.

Advanced experience in supporting infrastructure systems such as DNS, NTP, LDAP, MySQL, NFS / CIFS, SYSLOG, SMTP, Kickstart, Elastic Search, etc.

Linux server hardening and performance tuning.

Strong troubleshooting, reasoning and problem‑solving skills.

Nice to have :

Experience with containerization

Windows Server and Active Directory Management

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