Linux & IT Specialist Admin

Jonas Software•Toronto, ON

About The Position

The Linux & IT Specialist is responsible for managing and supporting the organization’s internal IT systems, Linux environments, and cloud infrastructure. This role ensures system reliability, security, and scalability while supporting cross-functional teams and maintaining compliance with industry standards. The position plays a critical role in both day-to-day IT operations and infrastructure management, acting as a key point of ownership for multiple platforms and services.

Requirements

5+ years of experience in Linux system administration and IT infrastructure support.
Strong experience with Linux environments, system imaging, and deployment automation.
Familiarity with identity and access management systems (e.g., Entra ID, Google Workspace).
Experience with endpoint management tools (MDM), networking platforms (e.g., Meraki), and email security systems (e.g., Mimecast).
Understanding of patch management, system security best practices, and compliance frameworks (SOC 2, PCI).
Strong troubleshooting skills across multiple systems and integrated environments.
Ability to manage multiple priorities and work both independently and collaboratively.
Strong documentation and communication skills.

Nice To Haves

Experience building and maintaining custom Linux distributions or hardened images
Deep knowledge of Linux kernel tuning and performance optimization
Familiarity with system internals (process scheduling, memory management, I/O tuning)
knowledge on management tools like Ansible
Managing custom debian repositories
Managing DNS, DHCP, NTP services on Linux
Troubleshooting using top, htop, vmstat, iostat, strace, lsof
Debugging boot issues (GRUB, init systems like systemd)
Hardening systems using CIS benchmarks
Advanced Bash scripting
High-level analytical reasoning and strategic decision-making.
Proactive investigative mindset and a drive for continuous learning.
Results-oriented tenacity with a focus on project completion and accountability.
Advanced synthesis of complex technical documentation and regulatory frameworks.
High-efficiency technical communication and precise documentation output.

Responsibilities

Design, build, and maintain Linux-based system images for POS and other hardware deployments, including automation of imaging and provisioning processes.
Install, configure, and document software deployments across on-premise environments.
Support and maintain internal IT infrastructure, including user lifecycle management (onboarding, offboarding, and access control).
Administer and maintain IT systems, tools, and platforms across identity management, endpoint management (MDM), networking, and email security.
Provide day-to-day IT support, including troubleshooting hardware, software, networking, and access-related issues.
Implement and manage patching processes to ensure systems remain secure and up to date.
Support and maintain compliance with industry standards such as SOC 2 and PCI.
Provide cross-functional IT support to teams including Support, Sales, Operations, and Development.
Participate in IT projects such as system migrations, audits, and platform integrations.
Contribute to continuous improvement initiatives in automation, system performance, and security.
Maintain IT asset inventory and ensure accurate system documentation across platforms.