IT Systems Administrator – Security, Operations

Tree Time Services Inc.

. Manage and secure approximately 90 endpoints across 3 locations and remote staff .

Posted 10/10/2026full-timeSherwood Park • CanadaMid-LevelSenior💰 CA$35 - CA$41 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Systems Administration and IT Security, with a focus on managing multi-site networks, endpoint security, and cloud identity management. Proficient in implementing cybersecurity measures, asset management, and providing technical support across various platforms.

Highest-signal resume keywords

Systems AdministrationIT SecurityLinux (Ubuntu LTS)Cloud Identity ManagementCybersecurity Training

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Endpoint ManagementBash ScriptingPython ScriptingFirewall ConfigurationLog AnalysisThreat MitigationMFA ImplementationBitLocker Disk EncryptionAutomated Patch PoliciesAsset Tracking

Soft Skills

Technical SupportTraining DeliveryVendor Sourcing

Tools & Technologies

OPNsenseTailscaleJumpCloudWazuh SIEMAWS S3Linux SVNAssetTigerGoogle WorkspaceChromeOS FlexCloud VoIP

Certifications & Qualifications

Alberta Class 5 Driver's License

Industry Keywords

Cyber Insurance ComplianceCOTS Software ToolsMulti-Site NetworkHardware ProcurementSaaS Subscriptions

Tech Stack

Tools & technologies

AWSCloudCyber SecurityFirewallsLinuxPythonSubversionVoIP

About the role

Key responsibilities & impact

Manage and secure approximately 90 endpoints across 3 locations and remote staff
Administer and harden perimeter defenses using OPNsense, Tailscale, and JumpCloud
Enforce mandatory MFA, BitLocker disk encryption, and automated patch policies
Monitor security telemetry via Wazuh SIEM and ensure cyber insurance compliance
Verify automated, immutable, ransomware-proof server backups syncing to AWS S3 with Object Lock
Provide operational backup for internal Linux/DevOps repositories using Linux SVN on Ubuntu LTS
Manage the complete lifecycle of company laptops, desktops, and edge devices
Procure, deploy, and decommission computer hardware
Maintain asset integrity in AssetTiger
Own IT onboarding and offboarding workflows, account provisioning, and hardware staging
Audit software seats and SaaS subscriptions to reduce redundant licensing costs
Evaluate, test, and help divisions implement COTS software tools
Deliver cybersecurity hygiene and software efficiency training to staff
Provide L1/L2 technical support for Windows 11, ChromeOS Flex, network printers, and cloud VoIP desk phones

Requirements

What you’ll need

3 to 5 years of hands-on Systems Administration, IT Security, or IT Operations experience managing a multi-site network of 50–150 endpoints
Strong terminal-level experience with Linux (Ubuntu LTS), file permissions, systemd, Bash/Python scripting, and fundamental security practices (firewall rulesets, log analysis, threat mitigation)
Familiarity with cloud identity management (Google Workspace, JumpCloud or similar), stateful firewalls (OPNsense/pfSense), mesh VPNs (Tailscale/WireGuard), and cloud storage tools (rclone/AWS S3 CLI)
Proven track record managing hardware procurement, asset tracking, and vendor sourcing
Valid Alberta Class 5 Driver's License and access to a personal vehicle for occasional local travel between facilities

Benefits

Comp & perks

Mileage reimbursed for occasional local travel between facilities