Parkland is a leading international fuel supplier, convenience store operator, and community enabler, serving diverse customers across 26 countries.

Brief Description The Senior Security Specialist is responsible for supporting and enhancing the organization’s cybersecurity operations through proactive threat detection, incident response, vulnerability management, and risk assessment activities.

As of November 1, 2025, Sunoco LP has successfully completed its acquisition of Parkland Corporation.

For more information, please visit www.sunocolp.com.

Sunoco LP is a leading energy infrastructure and fuel distribution master limited partnership operating across 32 countries and territories in North America, the Greater Caribbean, and Europe. The Partnership’s midstream operations include an extensive network of approximately 14,000 miles of pipeline and over 160 terminals. This critical infrastructure complements the Partnership’s fuel distribution operations, which distribute over 15 billion gallons annually to approximately 11,000 Sunoco and partner-branded retail locations, as well as independent dealers and commercial customers.

At Sunoco, we take excellent pride in what we do and wholeheartedly believe our employees drive success for our company and our customers. We are always looking for the best and brightest talent and are committed to making your job a challenging and rewarding experience.

A place where you can take your career in the direction you want to grow and go

The Opportunity: The Senior Security Specialist is responsible for supporting and enhancing the organization’s cybersecurity operations through proactive threat detection, incident response, vulnerability management, and risk assessment activities.



This role works closely with technical teams, business stakeholders, and technology partners to identify security risks, respond to security incidents, implement security controls, and continuously improve the organization’s security posture.

The successful candidate will leverage industry frameworks, security technologies, and analytical expertise to protect enterprise systems, applications, networks, and data from evolving cyber threats.

Responsibilities:

Serve as a security subject matter expert supporting security operations, incident response, vulnerability management, and cyber risk assessment initiatives across the organization.

Monitor and analyze security events, alerts, logs, and threat intelligence sources to identify potential threats, suspicious activity, and indicators of compromise.

Lead or coordinate incident response activities, including investigation, containment, eradication, recovery, root cause analysis, and post-incident reporting.

Conduct detailed investigations of cybersecurity incidents and provide timely recommendations to reduce risk and prevent recurrence.

Support the ongoing operation and optimization of security monitoring and detection capabilities, including SIEM, EDR/XDR, IDS/IPS, email security, and other security platforms.

Manage vulnerability management activities, including vulnerability assessments, prioritization,



remediation tracking, validation, and reporting.

Partner with infrastructure, application, and business teams to ensure timely remediation of identified security vulnerabilities and risks.

Conduct security risk assessments for applications, infrastructure, projects, third-party solutions, and technology initiatives, providing actionable recommendations to address identified risks.

Perform security reviews of existing and emerging technologies to ensure compliance with organizational security standards, policies, and regulatory requirements.

Prepare reports, findings, and recommendations related to security incidents, vulnerabilities, risk assessments, and security posture improvement initiatives.

Research emerging cyber threats, attack techniques, vulnerabilities, and security technologies, applying insights to strengthen organizational defenses.

Develop, maintain, and improve security procedures, standards, playbooks, and operational documentation to support effective security operations.

Participate in security audits, compliance assessments, and control reviews to ensure adherence to security and regulatory requirements.

Collaborate with cross-functional teams to implement security controls and operational improvements that reduce organizational risk and improve resilience.

Support continuous improvement initiatives that enhance threat detection, incident response effectiveness, vulnerability management processes, and overall security operations maturity.

Education:

Bachelor’s degree in Computer Science, Information Security, Information Technology, or a related field.

Relevant industry certifications such

📌 Senior Specialist (Calgary)
🏢 Sunoco
📍 Calgary