Senior Linux Administrator

💰 Salary: CA$110,000 – CA$120,000
📍 Location: Hybrid – Toronto, ON, Canada
👥 Openings: 2 positions available

Overview

We are seeking an experienced Senior Linux Administrator to strengthen, secure, and maintain our office network, remote worker network, and the infrastructure supporting mission-critical business applications. This role is best suited for someone who takes ownership, thrives in fast-paced environments, and is passionate about both security and performance.

Key Responsibilities

• Manage and maintain Linux and Windows hosts & domains

• Oversee and secure internet protocols and overall network operations

• Configure and manage network devices to support business needs

• Ensure compliance with SOC2 and other audit standards

• Troubleshoot issues and implement code builds/system changes (including occasional off-hours work)

• Collaborate with cross-functional teams on multi-resource projects

Nice to Have (Preferred):

• Experience with iSeries, IBM MQ, VMware

• Familiarity with Puppet, Splunk, WS1

• Knowledge of Apache httpd, Tomcat

• Experience with Workstation VPNs

Requirements

• College Diploma or University Degree in IT or related field

• 4+ years of experience in a System Administrator or Network Administrator role

• Strong command-line Linux expertise (priority skill)

• Proven ability to secure sensitive data and maintain system integrity

Key Competencies

• Ownership mindset with strong problem-solving skills

• Excellent communication with both technical and non-technical stakeholders

• Customer-service oriented with a collaborative mindset

• Ability to set up larger systems independently, not just maintain existing ones

• Analytical and persistent in troubleshooting

• Creativity, initiative, and a growth mindset for continuous learning

• Effective time management, multitasking, and prioritization under deadlines

• Flexibility to work outside standard business hours when needed

Recruiter Screening Notes

• Linux command-line expertise is essential – top priority

• Candidate must have project-based experience, not just break-fix operations

• Look for practical examples of initiative (not shallow or vague)

• Must be a team player – independent-only workers won’t fit

• Strong ownership mentality with an end-to-end perspective