154 security software engineer jobs at 63 companies in Fallbrook, CA
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Security Software Engineer
Costa Mesa, California, United States
OnsiteFull Time
Anduril Industries: Defense technology building autonomous military hardware and software.
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.
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
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.
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
8+ YOERequires advanced software engineering experience for complex integrated systems, ability to lead/mentor, support integration and releases, and obtain DoD security clearance.
Arlington or Mount Laurel or San Diego or Fall River
$135k-$273k/yrHybridFull Time
Innovative Defense Technologies: Develops automated software and systems to rapidly deliver mission-critical capabilities to U.S. government customers.
7+ YOEBachelor's degree or equivalent, 7+ years software engineering experience, able to obtain/maintain Secret U.S. security clearance, experience leading/mentoring, expertise in SDLC, OOP, distributed systems, secure coding, testing, and integration.
SDLC, Service-Oriented Architecture (SOA), AI, Generative AI
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
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
Volund Manufacturing: Designs and manufactures jet engines for defense and aerospace.
3+ YOE3+ years professional software engineering; full-stack experience across frontend, backend, and infrastructure; experience with Go, React + TypeScript, cloud (Azure), Kubernetes and Terraform; familiarity with Teamcenter/Odoo integrations and security/compliance (ITAR, CMMC, NIST). Must be a U.S. person.
HavocAI: Develops autonomous surface vessels and collaborative maritime autonomy software.
1+ YOEBachelor's or equivalent, 1+ years software/analytics engineering experience, strong programming fundamentals (Python/JavaScript/TypeScript/SQL), BI/dashboard and automation experience, U.S. citizenship and ability to obtain security clearance.
BDNYSE: BDX: Manufactures medical devices, surgical instruments, and pharmacy automation systems.
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
AVEVA: Industrial software for engineering and operational performance management.
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.
Humanoid: Developing commercial humanoid robots for industrial applications.
5+ YOE5+ years professional experience; BS/MS in CS/CE/EE or related; proficiency in systems/backend languages (Python, C/C++, TypeScript, Rust); Linux experience; strong communication and collaboration; on-site in San Diego.
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.
Turion Space: Builds spacecraft for orbital debris removal and satellite servicing.
2+ YOE2+ years embedded software or test development, experience with C/C++, automated testing in HITL/SITL, strong problem-solving, ability to obtain U.S. security clearance.
C, C++, Google Test, CppUnit, Pytest, CI/CD, HITL, SITL
Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$130k-$220k/yrOnsiteFull Time
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
3+ YOE3+ years software development; strong Python; Azure cloud; on-call production support; must be a U.S. Person; ability to obtain security clearance.
Innoflight: Designs and manufactures compact cyber-secure avionics for space missions.
1+ YOE1+ year experience in software integration or test engineering, strong Python proficiency, ability to develop automation, troubleshoot software/hardware interfaces, document test procedures, and obtain U.S. security clearance.
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
5+ YOEBachelor's or equivalent experience, 5+ years software development (C, C++, Rust), 3+ years in embedded/Linux security, experience with applied cryptography, threat modeling, fuzzing, and secure platform design.