Linux Systems Administrator – RHEL, Security, OS Patching, Ansible

Job Description

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Location:

Toronto

Experience:

6-8 Years

Required Skills:

Digital :
Ansible~Red Hat Linux

Responsible for maintaining and securing Linux-based infrastructure by applying vulnerability fixes, patches, and updates. The role involves monitoring, troubleshooting, and ensuring compliance with security standards.

Key Responsibilities Perform Linux OS patching and apply security updates across servers and endpoints.

Monitor vulnerability reports and prioritize remediation based on severity.

Collaborate with Security and Compliance teams to ensure adherence to organizational standards.

Troubleshoot patch deployment issues and provide root cause analysis.

Maintain documentation for patch cycles, exceptions, and compliance reports.

Work with patch management tools (e.g., Ansible, Satellite, Spacewalk, or similar) for deployment.

Ensure minimal downtime during patching through proper scheduling and communication.

Participate in incident response for security-related issues.

Automate patching processes using shell scripting or Ansible playbooks."

Requirements
Experience (Years): 4-6 Essential

Skills:

• Work with project teams throughout the organization to design, implement, and manage CDN infrastructure using Akamai, to ensure high availability, performance, and scalability for customer facing applications and business processes.
• Handle multiple priorities and assignments with excellence and precision.
• Be a part of a 24/7/365 organization (some after hours support is expected as part of normal on-call rotation).
• Directly support line of business development teams, provide guidance to them on implementation and changes for customer facing applications
• Develop and maintain security protocols and measures to protect CDN infrastructure from cyber threats.
• Monitor and analyze network performance, identifying and resolving issues to optimize content delivery of critical applications.
• Collaborate with cross-functional teams to integrate Akamai CDN solutions with existing systems and applications.
• Collaborate with information security teams to implement DDoS protection strategies and other security measures in the CDN.
• Provide technical support and guidance to clients and internal teams regarding CDN and security best practices.
• Work closely with vendor and professional service teams on delivery related activities and strategy.

Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, or a related field. OR similar work experience.
• Strong understanding of network protocols (HTTP/HTTPS, DNS, TCP/IP).
• Proven experience as a CDN Engineer or similar role, with a strong focus on cybersecurity.
• In-depth knowledge of Content Delivery Network technologies, including caching, load balancing, and content optimization.
• Excellent problem-solving skills and attention to detail.
• Strong communication and teamwork abilities.
• Experience supporting 24/7/365 customer facing applications at enterprise scale.
• Awareness and experience with cybersecurity tools and practices, such as firewalls, intrusion detection/prevention systems, and encryption.
• Proficiency in scripting and automation (e.g., Python, Bash) a plus.
• Relevant certifications (e.g., CISSP, CEH) are a plus but not required.