8 appsec engineer jobs at 3 companies in Radnor, PA

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Senior Software Engineer
New York City or Bethlehem or Holmdel
$95k-$156k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
4+ YOE4+ years building public-facing web applications; advanced JavaScript/TypeScript and modern frameworks; API and microservices experience; strong problem-solving and security awareness.
JavaScript, TypeScript, Node, React, Next, NestJS, Jest, REST, GraphQL, Redis, HTML, CSS, AWS, CI/CD, OWASP
1mo
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Container Security Engineer
Malvern or Charlotte or Dallas or Fort Worth
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
Hands-on experience securing containerized AWS environments (ECS/EKS) and serverless workloads; experience with Wiz, CI/CD, image/runtime security, vulnerability assessment and remediation; undergraduate degree or equivalent experience.
Wiz, AWS, ECS, EKS, Serverless, Azure AKS, GCP GKE, CI/CD, SAST, SCA, IAST, DAST, NIST, OWASP, MITRE, AI/ML
1mo
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Container Security Engineer
Malvern or Charlotte or Plano or Dallas
HybridFull Time
Vanguard
Vanguard: Global investment management and financial services provider.
Undergraduate degree or equivalent experience; hands-on AWS container security experience; Wiz, CI/CD, cloud-native architecture, container lifecycle, runtime security, and security framework knowledge.
Amazon Web Services (AWS), ECS, EKS, Wiz, Azure, AKS, GCP, GKE, CI/CD, SAST, SCA, IAST, DAST, NIST, OWASP, MITRE, AI/ML
1mo
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Senior AI Security Engineer
Lehi or Princeton or Houston
HybridFull Time
NRG Energy
NRG EnergyNYSE: NRG: Integrated energy and home services provider.
2+ YOEHands-on AI and cybersecurity experience, API and data work, dashboarding, scripting (Python/JavaScript/PowerShell), cloud platform familiarity, and 2+ years technical experience.
REST, Graph-based, Power BI, Tableau, Python, JavaScript, PowerShell, Azure, AWS, GCP, NIST CSF, OWASP
2w
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Senior Application Security Engineer
Malvern or Charlotte or Plano or Dallas
HybridFull Time
Vanguard
Vanguard: Global investment management and financial services provider.
Requires a related undergraduate degree or equivalent experience, strong DAST deployment and CI/CD integration experience, application security expertise, and familiarity with NIST, OWASP, and MITRE.
DAST, CI/CD, SAST, SCA, IAST, RASP, NIST, OWASP, MITRE
2w
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Senior Application Security Engineer
Malvern or Charlotte or Dallas or Fort Worth
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
Undergraduate degree or equivalent; strong experience with DAST and CI/CD integration; familiarity with SAST, SCA, IAST, RASP, secure SDLC, and standards such as NIST, OWASP, MITRE.
DAST, SAST, SCA, IAST, RASP, CI/CD, NIST, OWASP, MITRE
1mo
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Senior AI Security Engineer (UT, US, 84043)
Lehi or Princeton or Houston
HybridFull Time
NRG Energy
NRG EnergyNYSE: NRG: Generates and sells electricity while providing smart home solutions.
2+ YOEHands-on experience with AI systems, APIs, data pipelines, dashboards, scripting (Python/JavaScript/PowerShell), cloud platforms (Azure/AWS/GCP), and foundational cybersecurity principles; bachelor's degree or equivalent and 2+ years technical experience.
APIs, REST, Power BI, Tableau, Python, JavaScript, PowerShell, Azure, AWS, GCP, NIST CSF, OWASP
1mo
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Technical Lead - UI Porta& MFE Enablement | Onsite - Delaware
Wilmington, Delaware, United States
$56k-$196k/yr OnsiteFull Time
Photon: A hiring organization focused on delivering large-scale UI and frontend engineering solutions.
8+ YOE3+ Mgmt8+ years front-end engineering with 3+ years as a tech lead; expert React, Node.js/TypeScript, Webpack/Module Federation, state management, accessibility (WCAG/ARIA), OAuth/OIDC, UI performance and containerized deployments.
React, Node.js, TypeScript, Webpack, Module Federation, Redux, Figma, OAuth, OIDC, Playwright, Sentry, Datadog RUM, WCAG, OWASP