Infrastructure Specialist

Sandbox Software is seeking a Tier 2 Infrastructure Support Specialist to support and maintain our AWS-hosted infrastructure and customer-facing environments. This role is ideal for someone with strong Linux administration experience who enjoys troubleshooting complex hosting, server, networking, and application issues.

As a Tier 2 team member, you will serve as an escalation point for Tier 1 support, working closely with Tier 3 and internal development teams to maintain secure, reliable, and high-performing environments across our managed hosting applications and web platforms.

Full‑time permanent, 37.5 hours per week

Hybrid (Remote and at our Guelph location)

Support, Infrastructure and Security Manager

• Strong experience administering Linux-based servers in production environments.
• Experience supporting AWS infrastructure, including EC2, Lightsail, RDS, S3, IAM, Route 53, Cloud Watch, and networking fundamentals.
• Solid understanding of DNS, SSL/TLS certificates, web hosting, and application connectivity troubleshooting.
• Experience supporting LAMP stack environments, including Linux, Apache, MySQL/MariaDB, and PHP.
• Experience troubleshooting Word Press hosting and performance issues.
• Familiarity with Java application hosting environments such as Apache Tomcat.
• Strong understanding of networking fundamentals, including firewalls, routing, load balancing, and web application traffic flow.
• Ability to diagnose and resolve complex infrastructure and application issues using a structured troubleshooting approach.
• Excellent documentation and communication skills to keep clients and internal teams informed.

• AWS certifications such as AWS Certified Solutions Architect Associate, Sys Ops Administrator, and/or Cloud Practitioner.
• Experience with infrastructure monitoring, alerting, and logging platforms.
• Experience with Bash, Python, or infrastructure automation tools.
• Familiarity with security hardening, vulnerability remediation, and incident response processes.
• Experience supporting high‑availability and disaster recovery environments.
• Exposure to web application firewalls (WAF), CDN platforms, and security‑focused hosting environments.
• 
  
  Experience with SOC2 or ISO
  27001 compliance frameworks.
• Experience with SMTP and troubleshooting mail delivery issues.
• Experience with Windows Server administration.
• Exposure to Microsoft 365 administration, the Azure Cloud and Entra .

• Infrastructure Operations
• Manage and support AWS-hosted infrastructure, including EC2, Lightsail, RDS, S3, Route 53, IAM, and related services.
• Perform routine maintenance, patching, upgrades, and system administration tasks across Linux environments.
• Monitor infrastructure health, performance, and availability, responding to alerts and incidents as required.
• Support backup, recovery, and disaster recovery processes.
• Technical Support & Troubleshooting
• Act as the primary escalation point for Tier 1 support on infrastructure and hosting-related issues.
• Troubleshoot server, networking, DNS, SSL, web application, and email delivery issues.
• Investigate and resolve performance, availability, and security incidents affecting hosted environments.
• Support Word Press, LAMP stack, and Tomcat-based applications running in production environments.
• Security & Reliability
• Assist with server hardening, access management, patch management, and vulnerability remediation activities.
• Participate in security investigations and infrastructure-related incident response activities.
• Help maintain compliance with internal security standards and operational best practices.
• Create and maintain technical documentation, runbooks, and knowledge-base articles.
• Identify recurring issues and recommend improvements to infrastructure, monitoring, automation, and support processes.
• Collaborate with development, web, and infrastructure teams to improve platform reliability and operational efficiency.

• Pride and accountability in your work (doing it right the first time)
• Respect and attentiveness to customers, partners, and co-workers
• Honesty and transparency in your relationships
• An ongoing commitment to doing even better next time
• Supporting and fostering your own personal and professional growth, as well as that of others

• Annual Salary: $45,000 to $60,000
• Work from home
• Christmas Holiday Shutdown and Early Summer Fridays, in addition to vacation and statutory holidays
• Health Spending Account
• RRSP matching program
• Paid Amplifying Good Volunteer program

Sandbox welcomes applications from any qualified persons.
Please send your resume and cover letter . Only those selected for an interview will be contacted. Should you require accommodation during the interview process, please let us know.