{"id":1916634,"url":"https://alion.io/job/halliburton-application-security-engineer-senior-principal-landmark","title":"Application Security Engineer (senior - principal) Landmark","company":{"id":5054,"name":"Halliburton","domain":"halliburton.com","url":"https://alion.io/company/halliburton-corp","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":98,"open_postings":17,"ghost_share":0,"stale_share":0.235,"repost_share":0.059,"time_to_fill_p50_days":20,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Security","role_family":"Security","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Calgary, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":96000,"max_usd":189000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":19},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"GitLab","optional":false},{"name":"Machine Learning","optional":false},{"name":"OWASP","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Terraform","optional":false},{"name":"Threat Modeling","optional":false}],"status":"live","first_seen_at":"2026-10-05T16:29:58Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-29T04:41:39Z","board_verified":true,"closed_at":null,"days_open":23,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":23},"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.\nAbout Landmark\nLandmark, 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.\nAbout the Role\nAs 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.\nYou 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.\nKey Responsibilities\nPerform application security assessments and analyze potential vulnerabilities across web applications, APIs, cloud services, and enterprise software.\nReview results from static application security testing, dynamic application security testing, software composition analysis, and related security tools.\nValidate findings, assess exploitability and business impact, identify potential attack paths, and help prioritize remediation.\nWork directly with software engineers to explain identified risks, recommend practical corrective actions, and track vulnerabilities through resolution.\nSupport the integration and operation of security controls within CI/CD pipelines and software development workflows.\nContribute application security requirements and guidance throughout the software development lifecycle.\nReview application architectures, designs, features, and technical changes for common security weaknesses and potential misuse scenarios.\nRetest remediated vulnerabilities and document whether corrective actions adequately address the identified risk.\nSupport secure cloud application deployments by reviewing relevant identity, access, logging, networking, configuration, and data-protection controls.\nHelp identify risks in open-source components, third-party dependencies, build artifacts, and other parts of the software supply chain.\nDocument assessment results, remediation guidance, risk decisions, and security metrics clearly for technical and business stakeholders.\nQualifications\nRequired\nUndergraduate degree in Computer Science or a related field.\nA minimum of three years of experience in software development, Application Security, Cybersecurity, DevSecOps, Cloud Security, or a related technical discipline.\nWorking knowledge of the software development lifecycle and secure software development practices.\nExperience identifying, evaluating, or remediating security vulnerabilities in software applications.\nUnderstanding of common application attack vectors, security weaknesses, and software security controls.\nAbility to communicate technical security risks and remediation guidance clearly to software engineering and product delivery teams.\nPreferred\nExperience with SAST, DAST, SCA, vulnerability-management platforms, penetration-testing tools, or comparable application security technologies.\nFamiliarity with OWASP guidance, threat modeling, API security, authentication, authorization, session management, encryption, and secure coding practices.\nExperience with GitLab or another source-code repository and CI/CD platform.\nFamiliarity with Microsoft Azure, Amazon Web Services, or comparable cloud platforms, including identity and access management, logging, networking, and secure deployment concepts.\nExperience with Terraform, pipeline automation, infrastructure as code, or scripting using languages such as Python, PowerShell, or Bash.\nFamiliarity with software supply chain security, including third-party dependency risk, software composition analysis, software bills of materials, artifact integrity, or CI/CD security controls.\nAwareness of emerging security considerations associated with AI-enabled applications, machine learning services, or AI-assisted software development.\nCandidates 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.\nCore Competencies\nApplication Security | Secure SDLC | DevSecOps | Vulnerability Management | SAST | DAST | Software Composition Analysis | Threat Modeling | OWASP | API Security | Cloud Security | Secure Coding | Vulnerability Remediation | CI/CD Security | Software Supply Chain Security | GitLab | Azure | AWS\nHalliburton 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.\nLocation\n700 9th Ave SW Suite 2000, Calgary, Alberta, T2P 3V4, Canada\nJob Details\nRequisition Number: 212115\nExperience Level: Experienced Hire\nJob Family: Engineering/Science/Technology\nProduct Service Line: Landmark Software & Services\nFull Time / Part Time: Full Time\nAdditional Locations for this position:\n Compensation Information\nCompensation is competitive and commensurate with experience.","description_format":"text","description_chars":6277,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Application Security","Petroleum & Mining Engineering","Oil & Gas"],"lifecycle":[{"event":"open","at":"2026-10-05T16:29:58Z"}],"visa":[],"liveness":{"score":44,"band":"fade","label":"Fading","p_open":1,"p_active":0.805,"p_room":0.55,"age_days":23,"expected_fill_days":20,"reasons":["conf:1","velocity","win:tail","comp:brand"],"computed_at":"2026-10-29T05:49:05Z"},"pay":null,"html_url":"https://alion.io/job/halliburton-application-security-engineer-senior-principal-landmark","json_url":"https://alion.io/job/halliburton-application-security-engineer-senior-principal-landmark.json","meta":{"generated_at":"2026-10-29T06:39:41Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":10129,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":5054},"rest":"https://alion.io/mcp/rest/get_company?id=5054"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhalliburton-application-security-engineer-senior-principal-landmark"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fhalliburton-application-security-engineer-senior-principal-landmark"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fhalliburton-application-security-engineer-senior-principal-landmark"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/halliburton-application-security-engineer-senior-principal-landmark\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhalliburton-application-security-engineer-senior-principal-landmark"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1916634}},{"tool":"search_jobs","arguments":{"company":"halliburton.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1916634},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}