Senior Zscaler Security Engineer

CPKC; Calgary; On-site; CAD 110,000 - 170,000; Full time

Benefits offered by this job

Flexible benefits

Pension plan

Employee share purchase plan

Performance incentive

Annual fitness subsidy

Part-time studies program

Job summary

CPKC is seeking a Senior Zscaler Security Engineer to advance our Zero Trust security posture, architecting ZIA, ZPA, and ZDX solutions across cloud and on‑prem environments. You will automate configurations, build CI/CD pipelines, and mentor teams in IaC practices to enable secure, scalable access.

You will collaborate with Infrastructure, Cloud, IAM, DevOps, and SOC teams to drive secure access, leverage APIs and scripting, and shape enterprise cybersecurity strategy for a transnational

Qualifications

• Bachelor’s degree required or equivalent experience.
• 5+ years of cybersecurity, network security, cloud security, or platform engineering experience, including 3+ years administering Zscaler solutions (ZIA/ZPA/ZDX).
• Strong expertise in Zero Trust, SASE/SSE, cloud security, IAM, networking, SSL/TLS, and enterprise access technologies.
• Hands-on with APIs, Python/PowerShell automation, Terraform, Git, and CI/CD; translate security needs into scalable automation.

Responsibilities

• Lead architecture, deployment, and optimization of Zscaler solutions (ZIA/ZPA/ZDX, CASB, DLP, Cloud Firewall).
• Design and implement Zero Trust and SASE strategies for secure access across the enterprise.
• Develop and automate Zscaler configurations, policies, and workflows using APIs, Python, and PowerShell.
• Build and manage Infrastructure as Code (Terraform) with version control and governance.
• Create self-service tools and automation to reduce manual effort and improve efficiency.
• Establish and maintain CI/CD pipelines for testing, deployment, and rollback of security configs.
• Troubleshoot security, network, and automation issues across cloud, proxy, authentication, and access environments.
• Drive security posture improvements through assessments, policy optimization, and compliance reporting.
• Collaborate with Infrastructure, Cloud, IAM, DevOps, and SOC teams to deliver scalable security solutions.
• Mentor engineers on automation, IaC, and security best practices.

Skills

Python automation

PowerShell automation

Terraform

Git

CI/CD

Zscaler expertise

Education

Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Software Engineering, or equivalent

Tools

Zscaler (ZIA/ZPA/ZDX)

Job description

Posting Start Date: 8/5/26

Join CPKC, North America’s first transnational railroad connecting U.S., Canada, and Mexico, where your career drives progress and safety is paramount. We connect communities, fuel economic growth, and provide meaningful work in a culture that values diversity, accountability, and pride. With opportunities for training, development, and advancement, you’re not just building a career—you’re part of something bigger. Together, we move goods, connect people, and create lasting change. Your future starts here.

PURPOSE OF THE POSITION:

We are seeking a Senior Zscaler Security Engineer to spearhead the evolution of CPKC’s Zero Trust security strategy. As the subject matter expert for ZIA, ZPA, and ZDX, you will architect and automate next‑generation secure access solutions, drive cloud and network security innovation, and help shape the future of enterprise cybersecurity. Partnering across Infrastructure, Cloud, IAM, Security, and DevOps teams, you will deliver scalable, resilient, and seamless security experiences that enable the business to move faster and more securely.

POSITION ACCOUNTABILITIES:

• Lead the architecture, deployment, and optimization of Zscaler solutions, including ZIA, ZPA, ZDX, CASB, DLP, and Cloud Firewall
• Design and implement Zero Trust and SASE strategies that enable secure, seamless access across the enterprise
• Develop and automate Zscaler configurations, policies, and operational workflows using APIs, Python, and PowerShell
• Build and manage Infrastructure as Code (Terraform) solutions with robust version control and governance practices
• Create self‑service tools and automation that reduce manual effort, increase consistency, and improve operational efficiency
• Establish and maintain CI/CD pipelines to automate testing, validation, deployment, and rollback of security configurations
• Troubleshoot complex security, network, and automation issues across cloud, proxy, authentication, and access environments
• Drive security posture improvements through assessments, policy optimization, compliance reporting, and operational metrics
• Partner with Infrastructure, Cloud, IAM, DevOps, and SOC teams to deliver secure, scalable, and resilient access solutions
• Mentor engineers on automation, scripting, infrastructure as code, and security best practices to build enterprise‑wide capability

POSITION REQUIREMENTS:

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Software Engineering, or equivalent experience.
• 5+ years of cybersecurity, network security, cloud security, or platform engineering experience, including 3+ years administering and implementing Zscaler solutions (ZIA, ZPA, ZDX).
• Strong expertise in Zero Trust, SASE/SSE, cloud security, IAM, networking, SSL/TLS, and enterprise access technologies.
• Hands‑on experience with APIs, Python/PowerShell automation, Terraform, Git, and CI/CD, with the ability to translate business and security requirements into scalable, automated solutions.

WHAT CPKC HAS TO OFFER:

• Flexible and competitive benefits package
• Competitive company pension and/or retirement plans
• Employee share purchase plan
• Performance incentive
• Annual fitness subsidy
• Part‑time studies program

PRE-EMPLOYMENT REQUIREMENTS:

Background Investigation

• Criminal history check
• Education verification
• Professional references

BECOMING A RAILROADER:

As an employee with a North American presence, the possibility does exist that the location of your position may be changed based on organisational requirements.

Management Conductor Program

Becoming a qualified conductor or locomotive engineer is the single best way for a management employee to learn the business at CPKC. You may be required to obtain a certification or to maintain your current certification/qualification as a conductor or locomotive engineer.

CULTURE OF INCLUSION:

For our U.S. applicants, CPKC is an equal opportunity/affirmative action employer, inclusive of protected veterans and individuals with disabilities. For Canadian applicants CPKC is an employment equity employer committed to the principles of employment equity and inclusion. We encourage all qualified candidates to apply including: women, Black, Indigenous, People of Color (BIPOC), members of the LGBTQ+ community and people with disabilities. Accommodations for the job application process can be provided, as appropriate, upon request. All applicant information will be managed in accordance with the federal Personal Information Protection and Electronic Documents Act (PIPEDA).

• Req ID: 106304
• Department: Information Services & Network Service Centre (NSC)
• Job Type: Full-Time
• Position Type: Non-Union
• Location: Calgary, Alberta
• Country: Canada
• % of Travel: 0-10%
• # of Positions: 1
• Job Grade: 4
• Job Available to: Internal & External