Cybersecurity & IT Infrastructure Specialist

Cybersecurity & IT Infrastructure Specialist

About GrandBridge Corporation

GrandBridge Corporation is an investment holding company dedicated to driving growth and innovation through our fully owned subsidiaries, GrandBridge Energy Inc., and GrandBridge Group Inc.

GrandBridge Energy Inc. is a leading provider of innovative energy solutions, committed to delivering reliable and sustainable energy to our customers. GrandBridge Group Inc. offers a wide range of energy services through its divisions: Netoptiks, which provides cutting‑edge telecommunications solutions, and Enersure, which ensures our customers' homes are comfortable and energy‑efficient with home comfort rentals.

Our team of dedicated professionals are committed to helping our communities navigate the transition towards a dynamic and evolving energy landscape. The principles and beliefs that guide our operations are deeply rooted in our values. Join us in our mission to shape the future of energy.

What We Offer

- Employer Paid Benefits Package

- Training and Educational Reimbursement Programs

- Professional Development & Career Opportunities

- Wellness Resources & Healthy Lifestyle Incentives

- Employee and Family Assistance Program

- Opportunities for Community Involvement

THIS ROLE CAN BE BASED OUT OF OUR CAMBRIDGE OR BRANTFORD OFFICE

What You Will Do

The Cybersecurity & IT Infrastructure Specialist will play a critical role in ensuring the operational excellence and reliability of GrandBridge Energy’s datacenter infrastructure and cybersecurity programme. Specifically, you will be responsible for configuring and supporting datacenter infrastructure technologies such as virtualization, networking, backups, disaster recovery, and cybersecurity functions.

This role requires a strong technical leader who embraces standardization of processes and technology and adoption of best practices to drive operational efficiency, scalability, stability and security. A balance of technical expertise, cybersecurity acumen, and collaboration skills will help you succeed as you work closely with IT team members and business stakeholders.

Infrastructure

- Network Administration: Oversee the management and troubleshooting of LAN, WAN, VPN, and Wi‑Fi networks, ensuring high availability and security.

- Private and Public Cloud Management: Administer and maintain both on‑premises and cloud infrastructure (e.g., VMware, AWS, Azure), including system backups, monitoring, and scaling.

- Participate in the review and evolution of the current and future state of the system infrastructure.

- Participate in the patching/hardening practices of all Infrastructure system components.

Security and Compliance

- Conduct regular security audits, vulnerability assessments, and penetration tests to identify and mitigate risks.

- Manage and maintain security technologies, including Firewalls, Intrusion Detection/Prevention Systems (IDS/IPS), Security Information and Event Management (SIEM) platforms, and EndPoint Protection to monitor and prevent threats.

Disaster Recovery and Backup

- Implement and test disaster recovery (DR) protocols to ensure rapid recovery and business continuity.

- Manage daily backups of critical systems, validating integrity and ensuring readiness for restoration.

- Conduct routine testing of backup and DR protocols and simulate recovery scenarios to validate preparedness.

User Support and Documentation

- Provide third‑tier technical support to internal users, partners and assist clients with infrastructure‑related challenges.

- Create and maintain detailed documentation, including infrastructure configurations, diagrams, policies, and standard operating procedures.

- Train teams on emerging technologies like serverless computing, container orchestration, and SIEM platforms.

- Proactively identify and implement improvements to system performance, security, and reliability.

- Stay updated on emerging technologies, including serverless frameworks, Docker, and AI.

- Evaluate and adopt new tools and processes for enhanced infrastructure automation and proactive response.

What You Will Bring

- Bachelor’s degree or college diploma in Information Technology, Computer Science, Cybersecurity, or a related field.

- 5+ years of cybersecurity experience in a senior role supporting a wide range of related technologies.

- 5+ years supporting core IT infrastructure services (VMware, Nutanix, Rapid7, Palo Alto, Rubrik).

- Configuring and troubleshooting network equipment, including switches and firewalls (Aruba Networks). Extensive knowledge of IP, WAN, LAN, and VPN technologies.

- Experience in conducting internal security audits, vulnerability assessments, and penetration testing would be an asset.

- Advanced skill / expertise using security tools and technologies (e.g., SIEM, PAM, EDR, IDS/IPS, firewalls, Email security gateway).

- Enterprise‑level expertise with Microsoft Windows technologies, Linux/Unix systems.

- Excellent analytical and problem‑solving skills.

- Strong attention to detail and ability to work under pressure.

- Excellent communication and collaboration skills, with the ability to work effectively in cross‑functional teams.

- Professional security certifications such as CISSP (Certified Information Systems Security Professional) are highly desirable.

- Strong interpersonal skills with the ability to work with multiple stakeholder groups and a commitment to fostering a positive and inclusive workplace culture.

Kindly note, we do not entertain unsolicited referrals or resumes from third‑party agencies or recruiters for our job postings.

We appreciate the opportunity to review all resumes, however due to volume, only those under consideration will be contacted. Any personal information submitted will be managed in accordance with the requirements of the Municipal Freedom of Information and Protection of Privacy Act and will be used only to determine eligibility for employment.

GrandBridge Corporation is an Equal Opportunity Employer and is AODA compliant.

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