Firewall Administrator (Global)

Giesecke & Devrient GB Ltd.; Markham; Hybrid; CAD 115,000 - 135,000; Full time

Job summary

Giesecke & Devrient GB Ltd. in Markham, Ontario seeks an experienced Firewall Engineer to manage enterprise firewall environments across global sites and contribute to security architecture.

The role emphasizes Palo Alto experience, network security principles, and collaboration with international teams. Fluency in English and German is required, with ITIL awareness considered an asset.

Qualifications

• Experience administering enterprise firewall environments (prefer Palo Alto).
• Strong networking knowledge incl. Internet tech, IPv4/IPv6.
• Knowledge of IT security principles and security architectures.
• Experience with ITIL-based service management is an advantage.
• Fluent English and German, written and spoken.

Responsibilities

• Administer and operate enterprise firewall environments across global locations.
• Plan, coordinate, and execute firewall rollouts and lifecycle activities.
• Ensure SLAs, response and resolution times during ticket handling.
• Document changes, maintain security docs, and improve policies.
• Collaborate with internal teams and international stakeholders.

Skills

Palo Alto Networks

Networking

ITIL

English

German

Education

University/College Degree in technology field

Firewall security certification

Job description

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G+D makes the lives of billions of people around the world more secure. We create trust in the digital age with integrated security technologies in three business areas: Digital Security, Financial Platforms and Currency Technology. We have been a reliable partner for our customers for over 170 years with our innovative solutions for SecurityTech! We are an international technology group and traditional family business with over 14,000 employees in 40 countries. Creating Confidence is our path to success. Trust is the basis of our co-operation within G+D. Maybe soon for you too?

Compensation: $115,000 - 135,000 plus up to 5% bonus, capped at 150%

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 hours and weekends to conduct maintenance and upgrades;

Additional Information

*This job description is not intended to be all inclusive. The candidate hired will also perform other reasonable related business duties as assigned by the supervisor. The company reserves the right to revise or change job duties as needed. This job description does not constitute a written or implied contract of employment.

By applying to this position, you are confirming you possess either a Canadian citizenship, permanent resident status or valid work permit.

Please note: Reference Checks and Credit, Criminal Background Checks will be administered on suitably qualified candidates. Your application will be kept on file for up to two years

$$ We are an equal opportunity employer! We promote diversity in all its forms and create an inclusive work environment, free from prejudice, discrimination and harassment, in which all employees feel a sense of belonging. We warmly welcome all applications regardless of gender, age, race or ethnic origin, social and cultural background, religion, disability and sexual orientation.

We are an equal opportunity employer! We promote diversity in all its forms and create an inclusive work environment, free from prejudice, discrimination and harassment, in which all employees feel a sense of belonging. We warmly welcome all applications regardless of gender, age, race or ethnic origin, social and cultural background, religion, disability and sexual orientation.