.NET Core

.NET Core Cybersecurity Jobs

3 jobs found

1d ago

Lead Security Engineer - Dotnet Core, Docker, Kubernetes

JPMorganChase Columbus, OH

Columbus, OH

1d ago

Full time Senior .NET Core Application Security

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Job Description

Benefits

JPMorganChase offers a comprehensive benefits package to support your health, retirement planning, and overall well-being.

comprehensive health care coverage
on-site health and wellness centers
a retirement savings plan
backup childcare
tuition reimbursement
mental health support
financial coaching

Responsibilities

Based in Columbus, OH on-site, this Lead Security Engineer role operates within Cybersecurity Technology & Controls to design and deliver secure, high-quality software solutions and tamper-proof security controls at scale, with AI-assisted development practices across multiple technology domains.

Architect and implement large-scale security engineering solutions, leveraging established patterns to meet the needs of internal product teams, platform owners, and application stakeholders.
Write secure, robust production code and maintain algorithms that integrate with relevant systems, ensuring reliability and data integrity at scale.
Utilize enterprise AI tools to accelerate threat modeling, vulnerability analysis synthesis, and security documentation, while validating results and safeguarding sensitive data.
Employ targeted vulnerability scanning and analysis tools to correlate incidents, identify threats, quantify risk probability and impact, and surface hidden issues to improve coding hygiene and system design.
Create architecture and design artifacts for complex applications, ensuring constraints are met throughout the engineering lifecycle.
Use AI-assisted development tools like GitHub Copilot to speed secure software delivery, including refactoring, test generation, and code review support, while upholding secure coding practices and accountability.
Support agentic AI initiatives, performing threat modeling for AI behaviors, establishing guardrails, and implementing approval and audit logging where appropriate.
Lead continuity and security readiness through awareness programs, training sessions, and practical exercises.
Adopt reuse-first, AI-assisted practices in SDLC and toolchains to strengthen security testing and control validation, maintaining traceability and alignment with resiliency and security standards.

Requirements

Formal training or certification on security engineering concepts and 5+ years of applied experience
Proficiency in C# on .NET 6 or later and SQL Server/T-SQL for enterprise application development
Solid understanding of the Software Development Life Cycle and hands-on experience with version control and pipeline tools such as Git, Bitbucket, GitHub, or Jenkins
Strong working knowledge of information and network security, IT risk management, and architectural concepts and patterns
Demonstrated understanding of agile methodologies, continuous integration and delivery practices, and application resiliency principles
Experience applying specialized development and security tools such as Visual Studio and code quality analysis platforms
Demonstrated experience using enterprise-authorized AI capabilities within the work environment to support security engineering workflows with strong validation habits and awareness of data sensitivity
Ability to review and validate AI-assisted code and security recommendations before adoption, escalating uncertainty and ensuring outcomes align to security, resiliency, and auditability expectations
Proficiency using AI-assisted development tools, including GitHub Copilot, for code generation, refactoring, test creation, and code review assistance within secure usage practices
Strong analytical and problem-solving skills with the ability to identify, interpret, and communicate complex security risks clearly

Technologies

C#, .NET 6
SQL Server
T-SQL
Git
Bitbucket
GitHub
Jenkins
Visual Studio
GitHub Copilot
Docker
Kubernetes
Blazor
Razor
MVC frameworks
Entity Framework
Entity Framework Core

Preferred Qualifications, Capabilities, and Skills

Experience designing and delivering agentic AI solutions, including multi-step workflows, tool and function calling, and human-in-the-loop approval patterns
Familiarity with GenAI solution patterns such as retrieval-augmented generation, embeddings and vector search, and document ingestion pipelines within the .NET ecosystem
Experience with modern front-end technologies including Blazor, Razor, or MVC frameworks and Entity Framework or Entity Framework Core
Familiarity with containerization and orchestration technologies such as Docker and Kubernetes
Experience with multi-threading techniques and asynchronous programming patterns in .NET applications
Exposure to cloud technologies with a certification in one or more major cloud providers

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10d ago

Application Security Engineer

Amazon.com Services LLC New York, NY

New York, NY

10d ago

$159k - $213k/yr Full time .NET Core Amazon Web Services Application Security

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Job Description

Amazon AWS Security is seeking an onsite Application Security Engineer in New York to validate the security of applications and services, conduct security reviews and penetration tests, build security automation, and mentor teams.

Responsibilities

Perform application security reviews to identify and mitigate risks
Conduct penetration testing to uncover vulnerabilities and verify remediation
Engage in projects and research work as needed to advance security posture
Deliver security training and outreach to internal development teams
Create and maintain security guidance documentation
Develop security tooling to automate controls and tests
Deliver security metrics and drive continuous improvement
Assist with recruiting activities and handle administrative tasks as required

Requirements

3+ years programming experience in Python, Ruby, Go, Swift, Java, .NET, C++, or other object oriented languages
2+ years scripting, programming, and security code review experience in a non-internship role
2+ years troubleshooting systems issues, analyzing logs, or automating basic tasks via command line tools in a non-internship role
Bachelor's degree in a STEM field or 2+ years of IT security experience
Knowledge of networking protocols such as HTTP, DNS, and TCP/IP
Understanding of common security vulnerabilities and remediation techniques

Technologies

Python
Ruby
Go
Swift
Java
.NET
C++
HTTP
DNS
TCP/IP
HTTP(S)
AWS products and services

Benefits

Health insurance (medical, dental, vision, prescription)
Basic Life & AD&D insurance with option for Supplemental life plans
Flexible Spending Accounts
Employee Assistance Program (EAP)
Mental Health Support
Medical Advice Line
Adoption and Surrogacy Reimbursement coverage
401(k) matching
Paid time off
Parental leave

About the Team

Diverse experiences are valued; candidates are encouraged to apply even if they do not meet every listed qualification
Non traditional career paths or alternative experiences should not deter applicants

Why Amazon Security?

Security is central to customer trust and experiences across Amazon's products and services
Opportunities to build experience across cloud, devices, retail, entertainment, healthcare, operations, and physical stores

Inclusive Team Culture

A culture rooted in curiosity and ongoing DEI events and learning experiences
We celebrate diverse ideas, perspectives, and voices

Training & Career Growth

Continuous knowledge sharing and training to support career advancement
Resources to help you develop into a well-rounded security professional

Work/Life Balance

Flexible work hours and arrangements to support home and work harmony

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1mo ago

Senior .NET Developers

CyberBalance, LLC Remote 🌍 Remote

Remote

1mo ago Closed

Full time .NET .NET Core Angular

This position is no longer accepting applications (closed Jul 14, 2026).

Job Description

The Senior .NET Developer at CyberBalance, LLC focuses on modernizing cybersecurity systems, performing hands-on full-stack development, and contributing to architecture design. This role is remote with potential onsite work in Arlington, VA, and operates within an Agile environment.

Responsibilities

Assess the current system used across a broad user base to research, report findings, and implement a modernization framework utilizing the latest .NET and front-end technologies.
Leverage prior experience to drive modernization from the ground up, selecting strategic directions based on lessons learned and best practices.
Engage in hands-on full-stack development while contributing to architectural design and strategic direction.

Requirements

Current Top Security Clearance (Ability to hold and obtain an Interim will be considered).
Minimum 3 years of software development experience.
10+ years of software development experience.
7+ years of .NET experience, including ASP.NET, MVC, WebForms, and C# or VB.NET.
3+ years of .NET Core experience, including ASP.NET, Web API, Entity Framework, and DI.
5+ years of JavaScript frameworks such as Angular, React, or Blazor.
10+ years of object-oriented development.
10+ years of HTML and JavaScript.
10+ years of SQL querying, including complex joins, stored procedures, and transactions.
10+ years of JSON and XML experience.
5+ years working in an Agile environment.
Bachelor’s degree in Computer Science, related discipline, or equivalent experience.
Ability to work well within a team environment; high energy and self-motivated with the ability to work independently.
Sense of humor.

Technologies

.NET
ASP.NET
MVC
WebForms
C#
VB.NET
.NET Core
Web API
Entity Framework
Dependency Injection (DI)
JavaScript
Angular
React
Blazor
HTML
SQL
JSON
XML
Kendo
Telerik
Materials
Bootstrap
Crystal Reports
Azure SQL
Azure
Azure PaaS

Benefits

401K safe harbor plan with employer match
Ten paid holidays
15 days of personal time off
Health insurance
Commuter benefits
Tuition benefits

NICE TO HAVE

FISMA, SCAP, NIST knowledge
UI library experience such as Kendo, Telerik, Materials, Bootstrap
Reporting experience such as Crystal Reports
Azure SQL and administration experience
Azure PaaS architecture and development experience

Job Type

Full-time

Schedule

8 hour shift
Monday to Friday

Experience

.NET: 7 years (Required)

Security Clearance

Top Secret (Preferred)
Current Top Security Clearance; Interim capability considered

Work Location

Remote

Education

Bachelor’s degree in Computer Science, related discipline, or equivalent experience

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.NET Core Cybersecurity Jobs

Lead Security Engineer - Dotnet Core, Docker, Kubernetes

Application Security Engineer

Senior .NET Developers

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