81 security software engineer jobs at 33 companies in Winchester, CA
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Security Software Engineer
Costa Mesa, California, United States
OnsiteFull Time
0+ YOEPursuing or have completed a Bachelor's or Master's in CS/Engineering/Math/Physics; 0.25–2 years of technical experience; proficiency in Rust, C/C++, or Go; cybersecurity fundamentals; embedded systems knowledge; US person with clearance eligibility.
Rust, C, C++, Go, Embedded systems
1mo
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Lead, Software/Security Engineer (37995)
Carlsbad, California, United States
$117k-$251k/yr OnsiteFull Time
8+ YOEBachelor's in CS/CE or equivalent experience, 8+ years relevant experience (12+ without degree), Secret clearance required, Python and embedded/Linux experience, strong OOP and testing skills.
Python 3.x, C, C++, Linux, Git, Perforce, Visual Code, Eclipse, Makefiles, TCP/IP, CI/CD
1w
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Staff Cyber Security Engineer
Carlsbad or Tempe
$141k-$222k/yr OnsiteFull Time
5+ YOEUS citizenship,5+ years security experience,5+ years engineering/software development,BS in CS/CE or equivalent,strong AWS and GCP cloud security experience,knowledge of encryption,IAM,network segmentation,Terraform.
Azure, AWS, GCP, Terraform, Python, Java, GitHub, Security Hub, GuardDuty, Inspector, Google Security Command Center Enterprise, Google SecOps
2mo
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Product Security Engineer
Irvine, California, United States
$106k-$169k/yr OnsiteFull Time
3+ YOEBachelor's in cybersecurity/computer science or related; 3+ years in product security/product or software development or QA; experience with static code analysis and vulnerability scanning; foundational cryptography and PKI; knowledge of threat modeling and medical-device security.
Black Duck, Coverity, Veracode, Nessus, Snyk, Metasploit, SBOM, TLS, mTLS, HL7, FHIR, Bluetooth LE, STRIDE, PASTA, NIST, OWASP, PKI
1mo
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Senior Software Engineer
Lake Forest or Houston or Philadelphia
$124k-$207k/yr HybridFull Time
Strong software development in C# (.NET) or Node.js; hands-on Microsoft Azure cloud experience; CI/CD, DevOps, container experience; knowledge of cloud architecture, networking, and secure development practices.
Microsoft Azure, C#, .NET, Node.js, CI/CD
2w
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Sr Engineer, Software Automation
Irvine, California, United States
$100k-$130k/yr OnsiteFull Time
5+ YOE5+ years software engineering or test automation experience; proficiency in Java and Python; networking, mobile, cloud, security testing experience; Bachelor’s in CS or related required.
Java, Python, TCP/IP, DNS, DHCP, HTTP/S, Appium, Espresso, XCUITest, AWS, Azure, GCP, Postman, REST Assured, OWASP ZAP, CI/CD
2mo
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Embedded Software Engineer - Cybersecurity
Carlsbad or Germantown
$141k-$222k/yr HybridFull Time
8+ YOE8+ years software engineering experience with C/C++ on Linux, encryption/OpenSSL, Linux security controls, Bash/Python/Lua scripting, Git/Perforce, and an active US Secret Clearance; bachelor’s degree or equivalent.
C, C++, OpenSSL, Linux, Bash, Python, Lua, Perforce, Git, Docker, Podman, LXC, JSON, TLS, IPsec, ARM, Power, x86
3d
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Sr. Software Engineer - Payment Platform
Irvine, California, United States
$119k-$200k/yr HybridFull Time
8+ YOERequires 8+ years of software development experience, proficiency in C, C++, Go, JavaScript, Java, Kotlin, Android, APIs, databases, scripting, networking, CI/CD, and secure payment software.
C, C++, Go, JavaScript, unit test frameworks, Java, Kotlin, Android, Java Native Interface (JNI), Native Development Kit (NDK), C/C++ SDKs, RESTful APIs, OpenAPI Specification, MySQL, MariaDB, Bash, TCP/IP, UDP, HTTP, GitLab, CI/CD pipelines, metrics, logs, traces, dashboards, alerts
1mo
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Embedded Software Engineer
Irvine, California, United States
$48-$67/hr OnsiteFull Time
2+ YOEBS in EE/CE/CS + 2+ years embedded software development (or MS), expertise in C and Linux kernel driver development, U.S. citizenship required, background check and drug test contingent, experience with networking, security, and device drivers.
C, Linux kernel, ARM, RISC-V, AMD UltraScale+ MPSoC, Microchip PolarFire SoC, IPsec, NIST FIPS 140-3, NIAP Common Criteria, MAC, socket programming, Internet/Ethernet protocols
1mo
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JUNIOR SOFTWARE DEVELOPER (C++)
Norco, California, United States
$75k-$110k/yr OnsiteFull Time
0+ YOE0–4 years software development experience; proficiency in C++ for desktop applications; familiarity with OOP, multithreading, Git, CMake, and Python; U.S. Citizenship and active Secret DoD clearance required; CompTIA Security+ required.
C++, Git, CMake, Python, Jira, Confluence, SAFe, Agile
3w
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Senior Software Engineer (MCP Servers)
Irvine or Dallas
$129k-$160k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience,5+ years software development,proficiency in Python,JavaScript/Node.js,Java,API and AI integration experience with MCP and Apigee X,API security and CI/CD experience.
MCP, Apigee X, Apigee XT, MCP Inspector, Python, JavaScript, Node.js, Java, HTTP, gRPC, WebSocket, OAuth, JSON Web Tokens (JWT), Spike Arrest, OpenAPI, Jenkins, Git, Maven, Apigee Analytics, Google Authentication
2mo
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Infrastructure Security Engineer
Irvine, California, United States
OnsiteFull Time
5+ YOEBachelor's in CS/CE/Cybersecurity; 5+ years in infrastructure or cloud security; strong software and networking fundamentals; Kubernetes, CI/CD, cloud-native infra; IAM and secrets; threat modeling; cross-functional collaboration.
Kubernetes, Cloud, CI/CD, Identity and Access Management, Secrets Management, Infrastructure Automation, Threat Modeling, Security Architecture
3mo
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Autonomy Software Engineer
Woburn or Arlington or San Diego or Dayton or Melbourne or Carlsbad
$174k-$225k/yr HybridFull Time
2+ YOEStrong C++ expertise, systems development and testing, security clearance eligibility, and cross-functional collaboration.
C++, MATLAB, CI/CD, Git, Linux, Windows
2mo
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Software Engineer (C#/.NET)
New York City or Carlsbad
$101k-$134k/yr OnsiteFull Time
4+ YOE4+ years building scalable distributed systems; expert in C# or C++; strong CS fundamentals, API design, web service scalability/security, and database (MSSQL) experience.
Windows Server, SQL Server, IIS, .NET, C#, C++, MSSQL, Perforce, Xbox Live, Sony NP, Games for Windows Live
1mo
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Senior Software Engineer, Back-End (Payments)
United States or Santa Ana or San Francisco or Oakland or Berkeley or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
6+ YOE6+ years engineering experience, deep C#/.NET backend skills, frontend experience with React/Svelte/TypeScript, payments/gateway and distributed-systems experience, observability and security mindset.
Stripe, PayPal, C#, .NET, React, Svelte, TypeScript, PostgreSQL, DynamoDB, Kafka, Kubernetes, AWS, Datadog
2w
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Senior Software QA Engineer
Irvine, California, United States
$107k-$140k/yr OnsiteFull Time
5+ YOE5+ years QA experience with automation leadership; test strategy, CI/CD, performance/security/accessibility testing; mentoring, strong communication and problem-solving; High School diploma required, Bachelor's preferred.
Playwright, Jenkins, Jira Software, Confluence, JMeter, Microsoft Office, Visio
1mo
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Sr. Software Developer (Salesforce)
Irvine, California, United States
$132k-$205k/yr HybridFull Time
8+ YOE8+ years Salesforce development experience; expert Apex, Flow, Salesforce customization, integrations (MuleSoft, Heroku), REST/SOAP APIs; data modeling, security and regulatory compliance; Bachelor's preferred.
Salesforce, Apex, Flow, MuleSoft, Heroku, REST, SOAP
4d
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10873 -Senior Cloud Applications Security Engineer - Cyber Defense
Irvine, California, United States
$103k-$159k/yr OnsiteFull Time
5+ YOERequires 5+ years in application security or secure software engineering, Secure SDLC implementation, SAST/DAST and dependency scanning, container security, CI/CD, and a relevant bachelor's degree or equivalent experience.
SAST, DAST, CI/CD, Docker, Kubernetes
1mo
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Senior Software Developer (Onsite)
Oceanside, California, United States
$45-$67/hr OnsiteFull Time
6+ YOE6+ years professional software development; bachelor's in CS/SE or equivalent; experience with Azure Integration Services, Java/C#/JavaScript/SQL; leadership and mentoring experience; knowledge of CI/CD, security, and databases.
Java, JavaScript, C#, SQL, Microsoft Azure Integration Services, Logic Apps, Azure Functions, Data Factory, API Management, Corelation KeyStone, GitHub, Claude Code, Cursor, GitHub Copilot
1mo
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Software Development Engineer II – Back-End (Mission-Focused | ArcGIS)
Redlands or St. Louis or Washington or Vienna
$97k-$162k/yr OnsiteFull Time
2+ YOE2+ years backend engineering experience with Python, JavaScript/Node, or Java; REST API and service architecture experience; ArcGIS Enterprise integration; containerization (Docker/Kubernetes); active Top Secret security clearance (SCI eligible); Bachelor's in STEM.
Node.js, Python, Java, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server
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