---
title: 'Senior Backend Engineer at Cylus Cybersecurity'
canonical: 'https://feeny.ai/job/senior-backend-engineer-cylus-cybersecurity-tel-aviv-29gk65fwg7bm'
type: 'job'
last_seen: '2026-09-05'
---

# Senior Backend Engineer at Cylus Cybersecurity

- **Company:** Cylus Cybersecurity
- **Location:** Tel Aviv, Israel
- **Posted:** 2025-11-18
- **Last confirmed live:** 2026-09-05
- **Apply:** https://www.cylus.com/careers/8296609002?gh_jid=8296609002

## Job description

Cylus is a cybersecurity startup, led by world-class cyber experts. Our mission is to protect millions of people, worldwide, from cyber threats specific to modern trains, keeping them safe and on time.

## About Us

Cylus, the global leader in rail cybersecurity, helps mainline and urban railway companies prevent security incidents and service disruptions caused by cyber-attacks. With about $60M in funding by top VCs and strategic investors, global customers and strong partnerships with the biggest railway integrators, we make a significant impact on the multi-billion global railway industry.

We are looking for an exceptional Senior Backend Engineer to join our R&D team and help us get to the next level. If you have the right attitude and skills, we invite you to hop on board this bullet train.

In this role, you will:

- Lead the design, development, and optimization of microservices tailored for the scalable processing of high volumes of network communication data.
- Collaborate with experienced engineers to architect distributed & scalable data processing solutions that backbone our Rail Tech Security Platform, CylusOne.
- Collaborate with the brightest network researchers to productize our cybersecurity threat detection & network analysis features.
- Apply advanced software engineering principles to optimize code performance, scalability, and resource utilization across microservices & algorithms.
- Develop in Go while leveraging a cutting-edge technology stack
- Truly have fun coming to work every day

Requirements:

- 6+ years of experience,  specifically in building and maintaining scalable & complex software systems.
- Proven track record of delivering large-scale, high-quality products
- Tech-savvy, always up-to-date with best practices and latest technology developments
- Proven ownership: thoughtful design, realistic estimates, and consistent delivery.
- Proven experience in using and integrating AI into daily tasks
- Love to take on creative tasks, have end-to-end ownership, and work collaboratively to advance our mission and business goals

Advantages:

- Strong Linux and networking fundamentals (TCP/IP, sockets, latency/throughput basics).
- Bachelor's degree in computer science, Electrical Engineering, or equivalent practical experience
- Deep understanding of Microservices and containerized environments (Docker/Kubernetes).
- Experience with Golang and c/c++
- Experience with cloud environments
- Experience working in Linux environment

## About Cylus Cybersecurity

## Company Overview
- **One-liner**: Cylus provides rail operators with a specialized cybersecurity solution to protect rolling stock and signaling systems from cyberattacks, ensuring service availability and safety.
- **Entity Type**: Private (Series B – $30M round led by Ibex Investors in December 2021)
- **Headquarters**: Tel Aviv, Israel (also offices in United States, India, Singapore, Germany, Egypt)
- **Founded**: 2017
- **Founders**: Amir Levintal (CEO) and Miki Shifman (CTO)

## Core Business
- **Primary industries**: Rail cybersecurity, operational technology (OT) security, critical infrastructure protection
- **Target customers**: Rail operators, metro / transit authorities, freight companies (B2B, Enterprise)
- **Mission or purpose statement**: “Providing safe & seamless rail mobility, we secure and protect individuals' everyday lives” (careers page)

## Products & Services
- **CylusOne**: A comprehensive rail cybersecurity platform (SaaS and on-premise) that delivers real-time asset visibility, threat detection, and response across heterogeneous rail OT environments (onboard and wayside). It is designed to protect rolling stock and signaling systems.

## Market Standing
- **Valuation**: Not publicly disclosed
- **Key Metric**: Total funding of $57M (Seed, Series A×2, Series B)
- **Notable Investors/Partners**: Magma Venture Partners, Vertex Ventures Israel, Alstom, Ibex Investors; partners include HaslerRail, UNIFE; advisory board includes former executives from Bombardier, Thales, Siemens Mobility, Amtrak, BNSF, Metro de Madrid, and former Chancellor of Austria Christian Kern
- **Growth Signals**:
  - First in the world to achieve IEC 62443-4-2 certification for a rail cybersecurity solution (Feb 2024)
  - Expanded advisory board with former Adif President Isabel Pardo de Vera Posada (2024)
  - Operating in 6 countries; 45 employees with a high share of technical staff (38% engineering/R&D)
  - LinkedIn follower growth of +32.6% YoY

## Competitive Advantages
- **Deep domain expertise**: Combines rail engineering knowledge with cybersecurity (team backgrounds in Unit 8200, CyberX, Armis)
- **Compliance-led solution**: First IEC 62443-4-2 certified rail cybersecurity product, helping operators meet evolving regulatory requirements
- **Ecosystem integration**: Partnerships with major rail technology vendors (Alstom, HaslerRail, Thales) and membership in UNIFE
- **Real-time visibility across heterogeneous OT**: Covers both onboard (rolling stock) and wayside signaling systems

## Strategic Focus
- **Global expansion**: Growing presence in North America, Europe, and Asia-Pacific; hiring Sales Managers for NAM and DACH
- **Deepening partner ecosystem**: Collaborating with system integrators and rail OEMs to embed cybersecurity into new rail projects
- **R&D leadership**: Continued investment in threat detection and response capabilities for rail OT; maintaining certification leadership
- **Advisory board strength**: Leveraging former rail executives and regulators to guide strategy and market access

## Why Work Here
- **Culture**: Rated 4.3/5 on LinkedIn (9 reviews) with high marks for work-life balance (4.6) and culture (4.3)
- **Remote/hybrid policy**: Not explicitly stated, but headquarters is in Tel Aviv with offices in multiple countries; some positions (e.g., DACH Sales Manager) likely require regional presence
- **Engineering excellence**: Team includes alumni from Israeli Military Intelligence (Unit 8200), CyberX, Armis, VMware, and CrowdStrike; strong technical environment
- **Impactful mission**: Protecting critical rail infrastructure that millions rely on daily
- **Growth opportunities**: Joining a well-funded Series B company with global ambition; open roles in backend engineering, customer success, sales, and marketing (via Greenhouse)
- **Perks**: Not detailed, but competitive salaries reported (e.g., Senior Software Engineer: ILS 420,643/month, Sales Engineer: ILS 358,640/month)

## Sources
1. [LinkedIn](https://www.linkedin.com/company/cylus/)
2. [Greenhouse Careers](https://boards.greenhouse.io/cyluscybersecurity)
3. [Company Website – About](https://www.cylus.com/company)
4. [Company Overview PDF](https://www.cylus.com/resources/cylus-company-overview)
5. [Careers Page](https://www.cylus.com/careers)

## Other roles at Cylus Cybersecurity

- [Office Manager](https://feeny.ai/job/office-manager-cylus-cybersecurity-tel-aviv-47dhmnjhpa13) — Tel Aviv, Israel
- [Sales Operations Manager](https://feeny.ai/job/sales-operations-manager-cylus-cybersecurity-tel-aviv-zcxe7fk27vjv) — Tel Aviv, Israel
- [Sales Manager- DACH](https://feeny.ai/job/sales-manager-dach-cylus-cybersecurity-germany-e0z6p1vpxkpq) — Germany
- [Marketing Manager](https://feeny.ai/job/marketing-manager-cylus-cybersecurity-tel-aviv-f1vwctryqzfc) — Tel Aviv, Israel
- [Sales Manager NA](https://feeny.ai/job/sales-manager-na-cylus-cybersecurity-united-states-mezgknnfq84f) — United States
- [Customer Success Engineer](https://feeny.ai/job/customer-success-engineer-cylus-cybersecurity-united-states-1bfv0prjnknw) — United States
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