Firewall Administrator (Global)

Location: Markham, ON (hybrid, 3 days onsite. 5 days during training/probation)

Employment Type: Full time Permanent

Only candidates legally eligible to work in Canada without the need for visa sponsorship will be contacted

Job Summary

Join our network security team and take responsibility for protecting and evolving a global enterprise firewall landscape in a dynamic international environment.

Primary Responsibilities

Firewall Operations

- Administration and operation of enterprise firewall environments across global cloud, data center, and branch locations
- Planning, coordination, and execution of firewall rollouts, migrations, and lifecycle activities
- Ensuring compliance with defined SLAs, including response and resolution times during ticket handling
- Creation, implementation, and documentation of changes within the scope of the firewall service
- Development, maintenance, and continuous improvement of infrastructure and security documentation
- Configuration and implementation of firewall rules, NAT policies, and routing adjustments
- Regular review of existing firewall rule sets and execution of policy clean-ups to ensure security and performance best practices
- Support in troubleshooting and resolving network connectivity and security-related incidents
- Collaboration with internal teams and international stakeholders to ensure stable and secure network operations

Project Support & Design

- Participate in design and implementation for business-driven projects
- Assist in planning and deploying new sites, security Zones and upgrades
- Contribute to firewall and segmentation design based on security requirements
- Work with senior engineers/architects on solution design and validation
- Implement and maintain network security controls and best practices

Cross-Functional Collaboration

- Work closely with infrastructure, systems,



and application teams
- Communicate effectively with stakeholders on incidents and project progress
- Escalate complex issues appropriately while taking ownership of resolution

Qualifications, Experience and Educational Requirements

Work Experience:

- Proven experience in administering enterprise firewall environments, ideally with Palo Alto Networks firewalls
- Strong networking knowledge, particularly in Internet technologies, routing protocols, IPv4, and IPv6
- Solid understanding of IT security principles, network security architectures, and best practices
- Familiarity with ITIL-based service management processes is an advantage
- Structured, service-oriented working style with a strong focus on quality and reliability
- Ability to communicate effectively with international stakeholders in a professional environment
- Fluent English and good German language skills, both written and spoken

Education:

- University or College Degree in the technology-related field or equivalent work experience
- Certification in Security / Firewall Vendors

Working Conditions

- Safety Shoes/boots are mandatory on the Production/Manufacturing floor;
- Limited travelling is required;
- Providing Level 3 support after-hours;
- Available to work flexible schedule and weekends to conduct maintenance and upgrades.

PlanIT is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided based on qualifications, merit, and business needs.

Disclosure:

This posting represents an active and genuine vacancy with one of Plan IT’s clients and is not intended for speculative or pipeline recruitment. Plan IT and/or its clients may use AI-assisted tools from time to time to support the screening and evaluation of applications; however, these tools do not replace human judgment or decision-making at any stage of the hiring process.

📌 Firewall Administrator (Markham)
🏢 PlanIT Search
📍 Markham