{"id":3646976,"url":"https://alion.io/job/cognizant-senior-net-developer-application-security","title":"Senior .NET Developer – Application Security","company":{"id":85,"name":"Cognizant","domain":"cognizant.com","url":"https://alion.io/company/cognizant","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Cognizant Careers","truth_index":{"grade":"A","score":87,"open_postings":178,"ghost_share":0.011,"stale_share":0.478,"repost_share":0.056,"time_to_fill_p50_days":22,"computed_at":"2026-11-04T06:34:25Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Halifax, Canada"],"countries":["CA"],"hiring_countries":["CA"],"hiring_countries_total":1,"salary":{"min":70000,"max":93000,"currency":"CAD","period":"year","gross":null,"usd_annual":66569},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Checkmarx","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Fortify","optional":false},{"name":"OWASP","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"Rest-Assured","optional":false},{"name":"SonarQube","optional":false}],"status":"live","first_seen_at":"2026-11-02T15:53:25Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-04T18:15:45Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"As a Senior .NET Developer, you will make an impact by strengthening the security posture of enterprise applications through vulnerability analysis, remediation, and secure software development practices. In this role, you will bridge software engineering and enterprise security by analyzing SAST/DAST/SCA scan results, performing root-cause analysis on vulnerabilities, and directly writing and deploying secure .NET code fixes. Leveraging modern DevSecOps practices and AI-assisted engineering tools (such as GitHub Copilot and Claude), you will accelerate vulnerability remediation and enforce secure coding standards across production pipelines.\nIn this role, you will\nAnalyze and remediate application security vulnerabilities identified through SAST, DAST, SCA, and penetration testing assessments.\nImplement secure coding practices across .NET applications in alignment with OWASP standards and industry best practices.\nReview, investigate, and resolve security findings generated by tools such as Checkmarx, Fortify, AppScan, SonarQube, and similar platforms to evaluate risk and validate security patches.\nPerform root cause analysis of security issues and implement sustainable remediation strategies to prevent recurrence.\nCollaborate with development, architecture, DevOps, and security teams to ensure timely resolution of identified vulnerabilities.\nSupport Secure SDLC initiatives and ensure compliance with organizational and client application security requirements.\nConduct code reviews with a strong focus on security, maintainability, and application performance.\nIntegrate automated security gates into CI/CD pipelines and utilize AI-driven tools (GitHub Copilot, Claude) to accelerate code reviews, threat analysis, and remediation workflows.\nProvide technical guidance and mentorship on secure development practices and vulnerability prevention.\nWork model:\nWe strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a remote position open to qualified applicants in Canada. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.\nNote: The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.\nWhat you need to have to be considered:\n6+ years of strong .NET development background with proven experience in identifying and fixing application vulnerabilities.\nMust have strong hands-on experience in vulnerability remediation and security fixes for internet-facing applications.\nHands-on experience with DAST, SAST, and SCA tools such as AppScan, Checkmarx, SonarQube, or equivalent.\nDemonstrated experience remediating OWASP Top 10 vulnerabilities, security findings, and secure coding issues in production applications.\nExperience supporting and securing internet-facing web applications, APIs, and cloud-hosted services.\nAbility to independently analyze scan reports, perform root-cause analysis, and implement remediation with minimal ramp-up.\nFamiliarity with CI/CD security integration and DevSecOps practices.\nExperience leveraging AI-assisted development and security tools (GitHub Copilot, Claude similar) to accelerate vulnerability analysis, code remediation, secure code reviews, and developer productivity.\nStrong communication skills and ability to work directly with client stakeholders.\nWe're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.\nTotal compensation:\nWe regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between CAD 70,000 - 93,000 per year. Where the successful candidate may fall within the range depends on relevant education, work and/or management experience and other business-related and job-necessary qualifications. This position is also eligible for Cognizant’s discretionary annual performance-based bonus, as well as benefits that support your physical, mental and financial wellbeing.","description_format":"text","description_chars":4415,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Canada","iso":"CA","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Application Security","IT Outsourcing & Dedicated Teams","Engineering Services","Cloud Consulting & Migration"],"lifecycle":[{"event":"open","at":"2026-11-02T23:08:03Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":22,"reasons":["conf:2","velocity","win:early","comp:brand"],"computed_at":"2026-11-04T06:34:25Z"},"pay":{"stated_usd_annual":66569,"is_top_pay":false},"html_url":"https://alion.io/job/cognizant-senior-net-developer-application-security","json_url":"https://alion.io/job/cognizant-senior-net-developer-application-security.json","meta":{"generated_at":"2026-11-04T19:05:31Z","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":29406,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-05T00:00:00Z"}},"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":85},"rest":"https://alion.io/mcp/rest/get_company?id=85"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcognizant-senior-net-developer-application-security"},{"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%2Fcognizant-senior-net-developer-application-security"},{"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%2Fcognizant-senior-net-developer-application-security"},{"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/cognizant-senior-net-developer-application-security\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcognizant-senior-net-developer-application-security"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3646976}},{"tool":"search_jobs","arguments":{"company":"cognizant.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3646976},"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. 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