At Suncor, we produce and provide energy.When you join Suncor, you become part of a company that has built a solid foundation for both business and employee success. We are a place where talented people thrive. As part of our team, you play a vital role in delivering energy we all rely on, and you'll make a meaningful impact in the communities where we live and work.We are seeking a hands-on Web Application Pentester who is passionate about working directly with developers to eliminate vulnerabilities at the source. Sitting within our Cyber Defense organization, you will find, explain, and help fix security weaknesses in the applications and APIs that run our business, with periodic opportunities to join red and purple team engagements.What we offer:Strong compensation: we offer competitive compensation, regional-based uplifts, annual bonuses, and long-term financial rewards. We also help you save for your future by offering pension programs, and savings plans with company matchingBenefits: utilize an employee assistance program and comprehensive company-paid health, dental, and vision benefits for you and your family to support your mental, physical, and financial well-beingGenerous time-off: enjoy generous paid vacation time and personal time-off to recharge and maintain a healthy work-life balanceTalent development programs: Internal mobility, succession planning, and employee training and development programs are just a few ways we're dedicated to your developmentMinimum Requirements:7+ years in cybersecurity,



including 5+ years of hands-on manual testing of modern web applications and APIsBachelor's degree in cyber security, information technology, computer science, or a related fieldDemonstrated experience working directly with development teams to drive remediation and secure design decisionsHands-on skill with Burp Suite or equivalent, REST and microservice API testing, threat modelling, and secure code review in Java, .NET, or JavaScript/TypeScriptStrong grounding in OWASP Top 10, ASVS, and the Cheat Sheet Series; SDLC and DevSecOps practices; server-side authorization and IAM; and contemporary authentication protocols (OAuth 2.0, OIDC, SAML)Excellent written and verbal communication, with the ability to explain risk to both engineers and executivesExperience supporting red or purple team engagements, securing OT/ICS environments, or leveraging AI to enhance secure code review, threat modelling, and vulnerability discovery is considered a strong assetResponsibilities:Plan and execute manual penetration tests against web applications and APIs, surfacing business logic flaws, broken access control, injection,



and authentication and session weaknesses aligned to OWASP Top 10 and ASVSBuild safe proof-of-concept exploits that demonstrate real impact without disrupting operations, and retest fixes to confirm they holdTest authentication and authorization implementations, including OAuth 2.0, OIDC, SAML, and token-based API accessLead secure design reviews, threat modelling sessions, and source code reviews, recommending secure patterns and reusable controlsPartner with development teams to triage findings, agree on practical fixes, and coach secure development practices across the SDLCSupport pipeline security tooling (SAST, DAST, SCA, and Infrastructure-as-Code scanning) and help teams tune out noiseContribute application-layer attack paths to red team campaigns and purple team exercises with SOC and detection engineeringProduce reports that pair developer-ready detail with concise executive impact summaries, and translate findings into actionable backlog items with reproduction steps, severity, and acceptance criteriaLocation and other Key Details:This is an office-based role. You will work out of our Calgary head office, located in the Suncor Energy Centre at 150 – 6th Ave S.WHours of work are a regular 40-hour work week, Monday to Friday with occasional site visitsOur business professional roles follow internal compensation guidelines, and the pay band will generally be based on years of experience and scope of workSuncor is committed to providing equal opportunities for employment and building an inclusive, results-oriented and high-performance culture where all members of our team feel safe, valued and respected. #J-18808-Ljbffr

📌 Web Application Pentester (Calgary)
🏢 Suncor
📍 Calgary