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CrowdStrike · Israel - Tel Aviv

# Sr. Engineer, Falcon Seraphic Enterprise Browser (Hybrid, ISR)

Israel - Tel Aviv Hybrid Senior individual contributor Operations 

Listed on CrowdStrike’s official careers site. Posted October 9, 2026. Check that it is still open and apply there.
[Apply on CrowdStrike’s careers site →](https://crowdstrike.wd5.myworkdayjobs.com/crowdstrikecareers/job/Israel---Tel-Aviv/Sr-Engineer--Falcon-Secure-Access--Hybrid--ISR-_R29093)

[OpenNash Jobs](https://jobs.opennash.com/) / [CrowdStrike](https://jobs.opennash.com/companies/crowdstrike/) / Sr. Engineer, Falcon Seraphic Enterprise Browser (Hybrid, ISR)

## Job description

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward.

We're proud to work for a mission-driven company leveraging AI to transform the way we work. CrowdStrikers drive their careers through flexibility and autonomy while also being expected to contribute to a culture of responsible AI adoption, experimentation, and innovation. We use an AI-first mindset as a force multiplier to proactively and continuously accelerate execution, build expertise, uncover insights, and solve complex problems.

We’re always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters? The future of cybersecurity starts with you.

### About the Role

The Falcon Secure Access (FSA) team at CrowdStrike is expanding. As a Senior Software Engineer on our team, you will architect and deliver a next-generation secure access platform that converges Zero Trust Network Access with browser-native security. You'll build the core systems that enable users to seamlessly and securely access internal sites, private applications, and cloud resources directly from the browser — without legacy VPNs or remote desktops — while enforcing real-time protection against zero-day exploits, phishing, data exfiltration, and unauthorized access.

This role sits at the intersection of network engineering and browser security: you'll design and implement advanced proxy communication, secure tunneling, and identity-aware routing — all operating at the browser's core to deliver holistic protection including DLP, insider threat detection, SaaS security, and continuous zero-trust verification.

### What You'll Do
- Design and build ZTNA infrastructure — implement zero-trust access policies, secure tunneling, and identity-aware network routing that replaces traditional VPN architectures
- Develop advanced networking solutions — build and optimize proxy communication layers, WebSocket-based transport, and encrypted client-to-server channels that handle millions of concurrent connections Architect high-scale backend systems — design distributed microservices for policy enforcement, real-time threat detection, and access control at scale using Node.js / TypeScript
- Implement secure client-server communication — design highly secured agent-to-cloud architectures with certificate pinning, mutual TLS, and encrypted tunneling protocols
- Build browser-native security components — develop browser extensions and agents (Chrome, Edge, Firefox etc.) that enforce data protection, prevent data leakage, and provide granular visibility and control
- Own features end-to-end — from design through delivery, including deployment and monitoring
- Influence architecture and roadmap — play a key role in architectural decisions, building toward an efficient distributed zero-trust architecture
- Research and develop — drive new initiatives and POCs in zero-trust access domains and browser security
- Collaborate cross-functionally — work with security researchers, product, and platform teams across multiple locations to solve complex problems What You'll Need: 5+ years of industry experience building high-performance software products, preferably in cybersecurity
- Strong networking fundamentals — deep understanding of communication protocols (TCP/IP, TLS, WebSockets, HTTP/2), proxy architectures, and tunneling mechanisms
- Proven backend expertise — experience designing and developing high-scale microservices in Node.js / TypeScript / Python / GO / C++ Proven experience utilizing AI technologies to enhance decision-making, streamline workflows and processes, improve efficiency and drive business outcomes Hands-on experience with proxy and secure communication — WebSocket implementations, forward/reverse proxies, MITM inspection, and encrypted channel design
- Familiarity with encryption and secure communication — TLS/mTLS, certificate management, key exchange protocols, and secure session handling Experience with client-agent development — building complex, efficient client-side agents with reliable server communication Cloud platform experience — AWS, GCP, or Azure, with understanding of on-premises and hybrid infrastructure
- Strong research and debugging capabilities — ability to dive deep into protocol-level issues, browser internals, and network traces BS or MS in Computer Science or related engineering discipline Proactive problem-solver with attention to detail and a team-oriented mindset Bonus Points: Network security background — experience with network-layer security, firewalls, NAC, SD-WAN, or SASE architectures ZTNA / Zero Trust experience — familiarity with zero-trust principles, identity-based access, micro-segmentation, or existing ZTNA products EDR/endpoint security knowledge — experience integrating with endpoint detection and response platforms Browser internals expertise — Chromium internals, browser extension/plugin development, or web platform APIs OS internals and low-level networking — understanding of OS network stacks, socket programming, or kernel-level packet handling Containerization and orchestration — Kubernetes, self-contained deployable agents, on-prem components #LI-SN1 #LI-OL1 Benefits of Working at CrowdStrike: Market leader in compensation and equity awards Comprehensive physical and mental wellness programs Competitive vacation and holidays for recharge Paid parental and adoption leaves Professional development opportunities for all employees regardless of level or role Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections Vibrant office culture with world class amenities Great
- Place to Work Certified™ across the globe CrowdStrike is proud to be an equal opportunity employer.

We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program. CrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law.

We base all employment decisions--including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs--on valid job requirements. If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at recruiting@crowdstrike.com for further assistance.

## At a glance
- Posted by the employer: Oct 9, 2026
- First seen by OpenNash: Jul 10, 2026
- Last checked: Oct 18, 2026
- Listed for: 100 days
- Location: Israel - Tel Aviv
- Work arrangement: Hybrid[Apply on CrowdStrike’s careers site →](https://crowdstrike.wd5.myworkdayjobs.com/crowdstrikecareers/job/Israel---Tel-Aviv/Sr-Engineer--Falcon-Secure-Access--Hybrid--ISR-_R29093)

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