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Added 6 hours ago
AB
DevOps Automation Engineer (OpenShift / .NET / CI/CD)
Ateko, backed by Bell Canada
Mississauga, ON
- Contract
We are seeking an experienced DevOps Automation Engineer to join a high-performing Agile Scrum team responsible for supporting a large portfolio of enterprise applications. The team is…
Added 9 hours ago
Senior Software Engineer, International
Robinhood
Toronto, ON
As a Senior Full Stack Software Engineer, you will be a core technical driver for Robinhood’s global expansion initiatives. You will bridge high-performance frontend interfaces with…
Added 13 hours ago
MC
Cloud Platform Engineer – Kubernetes (36051)
Myticas Consulting
Toronto, ON
- Contract
A senior-level, hands-on Kubernetes / Cloud Platform Engineer who can independently resolve challenging Kubernetes infrastructure and workload issues.
Added 13 hours ago
SL
Senior AI Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto Atria
- Full-time
Corporate IT is seeking an experienced Senior AI Engineer to design, develop, deploy, and support enterprise-grade Artificial Intelligence, Machine Learning, and Generative AI solutions on…
Added 13 hours ago
I
Staff Software Developer (Pre-ID Relo)
Intuit
Toronto, ON
- Full-time
We are hiring a Staff Software Engineer to set technical direction across multiple engineering teams in the HCM charter. This is a charter-wide role. You will not be measured by the…
Added 13 hours ago
B
Senior Staff Software Development Engineer
BeyondTrust
Canada
- Full-time
BeyondTrust is seeking a Senior Staff Software Development Engineer to set the technical direction for NHI Governance. NHI Governance is the Pathfinder Insights module that discovers,…
Added 13 hours ago
ED
Senior Network Delivery Engineer - EN 235
Export Development Canada | Exportation et développement Canada
Ottawa, ON
- $96,557 to $128,743 CAD / year
- Full-time
EDC is seeking a senior network engineering professional to lead the design, implementation, automation, validation, modernization, and production transition of secure enterprise network…
Added 13 hours ago
I
Senior Software Developer (Pre-ID Relo)
Intuit
Toronto, ON
- Full-time
We are hiring a Senior Software Engineer to join our HCM engineering team in Toronto. You will own the design and delivery of full stack features across our HCM surfaces, working from…
Added 13 hours ago
SE
Senior AI Software Engineer
Stikeman Elliott LLP
Toronto, ON
- Full-time
…is already in daily use and continues to expand. This is the senior engineering role responsible for advancing its…
Added 13 hours ago
WO
Principal Network Engineer
Wizards of the Coast
Montreal, QC
- Full-time
We seek a Principal Network Engineer to serve as the technical lead for our enterprise network transformation. This is the highest-level individual contributor role on the Network…
Added 13 hours ago
M
Program Manager
MethodHub
Vancouver, BC
- Contract
…Vancouver, Seattle, and Portland, partnering with the Tech Lead Engineer/Analyst, the Analyst, and the offshore development squad to ensure the team delivers against the Rapid Core and…
Added 13 hours ago
ES
Forward Deployed Engineer
Epsilon Solutions Ltd.
Toronto, ON
- Full-time
We are looking for a senior Forward Deployed Engineer who combines production-grade software engineering, data engineering, AI application development, and client-facing consulting. You…
Added 13 hours ago
KS
Senior Devops Engineer
Kumaran Systems
Toronto, ON
- Full-time
We are looking for a Senior DevOps Engineer / Lead who is highly experienced in cloud and containerization technologies. The ideal candidate should be capable of providing technical…
Added 13 hours ago
AI
Adobe Site Reliability Engineer - Content Delivery Network
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
Senior Site Reliability Engineer - AEM - Content Delivery Network
Added 13 hours ago
S
DevOps Automation Engineer
SMARTFOX
Canada
- Full-time
Senior DevOps Engineer - 5+ years : Architecting the delivery platform, setting standards, leading major initiatives, shaping cloud and release strategy
Added 13 hours ago
S
Network Engineer
SMARTFOX
ON · Ontario, Canada
- $75,000 to $130,000 CAD / year
- Full-time
Promotion criteria are written down at every level, with regular career conversations. Many of our senior engineers started at Level I and moved on to network architecture, cloud…
Added 13 hours ago
Salesforce Technical Lead - Commerce Cloud
NTT DATA Services
Toronto, ON
Partners with a more senior engineer to deliver complex features.
Added 13 hours ago
H
AI Solutions Architect
Hays
Toronto, ON
- Contract
Preferred certifications include Azure Solutions Architect Expert, Azure AI Engineer Associate, or Google Cloud Professional Machine Learning Engineer.
Added 13 hours ago
CL
Senior Network Engineer
Charger Logistics Inc.
Brampton, ON
- Contract
We're looking for a Sr Cloud Network Engineer to design, build and run the network that connects our cloud platforms, offices and terminals across North America. Our systems run 24/7 to…
Added 13 hours ago
H
Data Quality Engineer
Hays
Toronto, ON
- Contract
As a Senior Quality Engineer, you will be responsible for defining and implementing quality assurance processes, developing automated tests, identifying and mitigating risks, and ensuring…
Added 13 hours ago
M(
[C] Senior Software Engineer - Developer Platform
MLSE (Maple Leaf Sports & Entertainment Partnership)
Toronto, ON · Scotiabank Arena
- Full-time
We are looking for a senior, hands-on software engineer with broad experience across software development, cloud infrastructure, DevOps, and developer tooling. You should be comfortable…
Added 13 hours ago
G
Senior Software Engineer
GreatPeople.Tech
Toronto, ON
- $120,000 to $130,000 CAD / year
- Full-time
…operational excellence, and AI-enabled delivery. This is a hands-on senior individual contributor role with significant technical leadership…
Added 13 hours ago
TC
forward Deployed Engineer
Tata Consultancy Services
Toronto, ON
- Full-time
We are looking for a senior Forward Deployed Engineer who combines production-grade software engineering, data engineering, AI application development, and client-facing consulting. You…
Added 13 hours ago
T
Senior QA Automation Engineer (Contract)
TekRek
Toronto, ON
- Contract
A growing SaaS company that builds financial software for the education sector. Its cloud platform handles payments, accounting and reporting for thousands of schools across North America.…
Added 13 hours ago
M
Senior Software Engineer
Microsoft
Vancouver, BC
- Full-time
We are looking for a Senior Software Engineer who is passionate about building reliable, scalable, high-performance backend systems. You will work across the analytical database engine and…

Halliburton

Application Security Engineer (senior - principal) Landmark

Calgary, AB, T2P 3V4, Canada

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Applications open in a new tab.

Job details

Posting language: English
Posted: Oct 5, 2026

Original job description

We are looking for the right people - people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s largest providers of products and services to the global energy industry.

About Landmark

Landmark, a Halliburton business line, provides the industry’s most comprehensive suite of digital solutions for exploration, drilling, and production optimization. Its software and data platforms empower customers to model subsurface assets, manage drilling risk, and accelerate decision-making through cloud, AI, and advanced analytics.

About the Role

As an Application Security Engineer at Landmark, you will help identify and reduce security risk in the software products and digital platforms used by the energy industry. Working under general direction, you will perform and support application security assessments, analyze security-testing results, investigate vulnerabilities, and partner with engineering teams to move findings through remediation.

You will work across application security, secure software development, DevSecOps, cloud security, and software supply chain security. The role requires someone who can examine technical use cases, identify realistic attack paths, distinguish meaningful risks from tool-generated noise, and provide practical guidance that helps development teams build and deliver more secure software.

Key Responsibilities

Perform application security assessments and analyze potential vulnerabilities across web applications, APIs, cloud services, and enterprise software.
Review results from static application security testing, dynamic application security testing, software composition analysis, and related security tools.
Validate findings, assess exploitability and business impact, identify potential attack paths, and help prioritize remediation.
Work directly with software engineers to explain identified risks, recommend practical corrective actions, and track vulnerabilities through resolution.
Support the integration and operation of security controls within CI/CD pipelines and software development workflows.
Contribute application security requirements and guidance throughout the software development lifecycle.
Review application architectures, designs, features, and technical changes for common security weaknesses and potential misuse scenarios.
Retest remediated vulnerabilities and document whether corrective actions adequately address the identified risk.
Support secure cloud application deployments by reviewing relevant identity, access, logging, networking, configuration, and data-protection controls.
Help identify risks in open-source components, third-party dependencies, build artifacts, and other parts of the software supply chain.
Document assessment results, remediation guidance, risk decisions, and security metrics clearly for technical and business stakeholders.

Qualifications

Required

Undergraduate degree in Computer Science or a related field.
A minimum of three years of experience in software development, Application Security, Cybersecurity, DevSecOps, Cloud Security, or a related technical discipline.
Working knowledge of the software development lifecycle and secure software development practices.
Experience identifying, evaluating, or remediating security vulnerabilities in software applications.
Understanding of common application attack vectors, security weaknesses, and software security controls.
Ability to communicate technical security risks and remediation guidance clearly to software engineering and product delivery teams.

Preferred

Experience with SAST, DAST, SCA, vulnerability-management platforms, penetration-testing tools, or comparable application security technologies.
Familiarity with OWASP guidance, threat modeling, API security, authentication, authorization, session management, encryption, and secure coding practices.
Experience with GitLab or another source-code repository and CI/CD platform.
Familiarity with Microsoft Azure, Amazon Web Services, or comparable cloud platforms, including identity and access management, logging, networking, and secure deployment concepts.
Experience with Terraform, pipeline automation, infrastructure as code, or scripting using languages such as Python, PowerShell, or Bash.
Familiarity with software supply chain security, including third-party dependency risk, software composition analysis, software bills of materials, artifact integrity, or CI/CD security controls.
Awareness of emerging security considerations associated with AI-enabled applications, machine learning services, or AI-assisted software development.

Candidates who possess qualifications exceeding the minimum job requirements may be considered for higher-level positions based on experience, additional qualifications, demonstrated capabilities, and current business needs. Depending on education, experience, and skill level, candidates may be eligible for roles ranging from Application Security Engineer to Application Security Engineer Sr or Application Security Engineer Principal.

Core Competencies

Halliburton is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.

Location

700 9th Ave SW Suite 2000, Calgary, Alberta, T2P 3V4, Canada

Job Details

Requisition Number: 212115
Experience Level: Experienced Hire
Job Family: Engineering/Science/Technology
Product Service Line: Landmark Software & Services
Full Time / Part Time: Full Time

Additional Locations for this position:

Compensation Information
Compensation is competitive and commensurate with experience.

Apply About employer

More about this job

Responsibilities

You will perform application security assessments, analyze vulnerabilities, and collaborate with engineering teams to remediate security risks. Additionally, you will support the integration of security controls within CI/CD pipelines and review software architectures for potential security weaknesses.

Requirements

Candidates must hold an undergraduate degree in Computer Science or a related field and possess at least three years of experience in software development, cybersecurity, or DevSecOps. Strong knowledge of secure software development practices and the ability to communicate technical security risks to engineering teams are required.

Skills

Application Security
Secure SDLC
DevSecOps
Vulnerability Management
SAST
DAST
Software Composition Analysis
Threat Modeling
OWASP
API Security
Cloud Security
Secure Coding
CI/CD Security
Software Supply Chain Security
GitLab
Azure

Visa sponsorship

Not detected in the job text

Keywords

Application Security
DevSecOps
Cloud Security
SAST
DAST
SCA
Vulnerability Management
Threat Modeling
OWASP
API Security
CI/CD
GitLab
Azure
AWS
Terraform
Python
PowerShell
Bash
Software Supply Chain Security
Secure Coding
Identity and Access Management
Infrastructure as Code
Machine Learning
AI-enabled applications

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