---
title: 'Senior Open Source Engineer at Sysdig'
canonical: 'https://feeny.ai/job/senior-open-source-engineer-sysdig-spain-serbia-hn6des1xv7s8'
type: 'job'
last_seen: '2026-09-09'
---

# Senior Open Source Engineer at Sysdig

- **Company:** Sysdig
- **Location:** Spain / Serbia
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-07-28
- **Last confirmed live:** 2026-09-09
- **Apply:** https://jobs.lever.co/sysdig/c841da01-d5ef-4081-ac07-4675457e93ac

## Job description

In the cloud, every second counts. On the leading edge of security, Sysdig stops attacks in real-time by instantly detecting changes in cloud security risk with runtime insights and open source Falco. Trusted by a large enterprise customer base, we are a well-funded startup, passionate open source enthusiasts at heart, and problem-solvers who are building and delivering powerful solutions to secure cloud-native applications.

We have an organizational focus on delivering value to customers. We appreciate diverse opinions and open dialogue to spur ideas and we believe in working together to achieve our goals. We're an international company that understands how to cultivate an inclusive environment across all teams.

And we're a great place to work too - we've been named a "Best Places to Work" by Inc, the San Francisco Business Time, and Built In, with recognitions ranging from "Best Benefits" to a "Best Company for Happiness".

We are looking for driven team members who want to join us on our mission to lead cloud security globally. Does this sound like the right place for you?

What you will do:

- You will develop exciting pieces of new technology within Falco, OSS Sysdig, their libraries, and our Open Source projects
- You will become a contributor and possibly a maintainer of these open source projects
- You will help users and adopters get up to speed with these tools and help fix reported bugs
- You will be responsible for making releases and working on modern automation
- You will engage with the community via Slack and GitHub, participate in conferences like Kubecon, deliver technical talks, and write blogs on open source technologies, such as the Linux kernel, Falco, and Sysdig

What you will bring with you:

- Solid programming skills in the following programming languages: C/C++, Golang, Rust
- Contribution to open source projects
- Linux, eBPF, Containers, and Kubernetes experience

What we look for:

- 5 years of experience as Software Engineer in cloud native or security domains
- Excellent analytical and problem-solving skills
- Strong communication and collaboration skills

When you join Sysdig, you can expect:

- Extra days off to prioritize your well-being
- Mental health support for you and your family through the Modern Health app
- Great compensation package

We would love for you to join us! Please reach out even if your experience doesn't perfectly match the job description. We can always explore other options after starting the conversation. Your background and passion will set you apart, especially if your career path is different.

Some of our Hiring Managers are globally distributed, an English version of your CV will be appreciated.

Sysdig values a diverse workplace and encourages women, people of color, LGBTQIA+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply. Sysdig is an equal-opportunity employer. Sysdig does not discriminate on the basis of race, color, religion, sex, national origin, age, disability, genetic information, sexual orientation, gender identity, or any other legally protected status.

## #LI-FP1

#LI-Remote

## About Sysdig

## Company Overview
- **One-liner**: Sysdig provides real-time AI-powered cloud security grounded in runtime intelligence, protecting cloud-native applications across containers, Kubernetes, identities, and cloud services.
- **Entity Type**: Private (venture-backed; $729.5M total funding across 8 rounds)
- **Headquarters**: San Francisco, California, United States
- **Founded**: 2013
- **Founders**: Loris Degioanni (creator of Falco and the original Sysdig open source project)

## Core Business
- **Primary industry**: Cloud security — specifically Cloud-Native Application Protection Platforms (CNAPP), container and Kubernetes security, cloud detection and response (CDR), and vulnerability management.
- **Target customers**: Enterprise B2B — DevOps, security teams, and cloud infrastructure organizations; also serves partners and the open-source community through Falco.
- **Mission or purpose**: To make all cloud deployments secure and reliable by giving developers and defenders real-time, runtime-level visibility into what's actually running in the cloud.

## Products & Services
- **Sysdig Secure (CNAPP)**: The flagship cloud-native application protection platform — unifies prevention, detection, and response across containers, Kubernetes, identities, workloads, and cloud services. Includes vulnerability management, cloud security posture management, and threat detection & response.
- **Sysdig Agentic AI**: Autonomous AI agents that operate within Sysdig Secure — users define desired security outcomes and the agents handle investigation, prioritization, and remediation.
- **Sysdig Headless Cloud Security**: A first-of-its-kind platform built for AI agents that eliminates the need for dashboards and traditional UIs, enabling hyper-personalized security workflows through a customer's own AI agents.
- **Sysdig GenAI Assistant / Sysdig Sage**: AI assistant built exclusively for cloud security workflows — provides contextual answers, risk explanations, and recommended next steps inside Sysdig Secure.
- **Falco (Open Source)**: The open source runtime security project created by Sysdig — the de facto standard for cloud-native runtime threat detection, and the foundation of Sysdig's runtime intelligence.
- **Sysdig Monitor**: The monitoring/observability offering (the "Monitor team" is actively hiring) — provides deep visibility into containers and Kubernetes performance.

## Market Standing
- **Valuation**: Not disclosed (private company)
- **Key Metric**: Annual revenue of ~$280M (per LinkedIn company data); total funding of $729.5M across 8 prior rounds.
- **Notable Investors/Partners**: Not fully disclosed in public sources; backed by major venture investors across 8 rounds (specific investor names not listed in current public materials).
- **Growth Signals**:
  - Named a **Leader in the Forrester Wave: Cloud Native Application Protection Solutions, Q1 2026**.
  - **99% of customers recommend Sysdig**.
  - Claims **95% time saved on vulnerability management** and **98% reduction in vulnerability noise**; **2-second threat detection**.
  - Rapid global growth — workforce distributed across 26 countries, with offices in the Americas and Europe (including Italy, Serbia, Spain, and Costa Rica).
  - Actively hiring international roles (e.g., Country Manager, Japan) indicating market expansion.
  - First-mover milestones: first unified CNAPP with runtime at the core, first AI assistant for cloud security (Sysdig Sage), first agentic AI for CNAPP, first headless cloud security platform, and released the 555 Benchmark for Cloud Detection & Response.

## Competitive Advantages
- **Kernel-level runtime intelligence**: Sysdig captures live system calls at the kernel level — knowing what's *actually* running in the cloud, not just what *could* be running. This is a deep technical moat that configuration-based competitors lack.
- **Open source credibility**: Born from the Falco open source project, Sysdig has deep developer trust and a strong community foundation.
- **Threat research expertise**: The internal Threat Research Team has uncovered major novel cloud attacks (e.g., JADEPUFFER, SCARLETEEL), packaged as expert-written skills powering the AI agents.
- **AI-first innovation**: Sysdig has repeatedly been first to market with AI-driven security capabilities (assistant, agentic AI, headless security), positioning it ahead of the curve in the AI-security era.
- **Strong customer loyalty**: 99% recommendation rate and Forrester Wave Leader status reinforce product-market fit.

## Strategic Focus
- **AI-powered cloud defense**: Making AI the core of security operations — from GenAI assistants to autonomous agentic workflows to headless, agent-driven security platforms.
- **Runtime intelligence as the differentiator**: Doubling down on real runtime data as the foundation for AI-driven context and threat detection.
- **Global expansion**: Growing international presence (hiring for Japan country management, distributed workforce across 26 countries).
- **Continued platform consolidation**: Extending the CNAPP platform to unify prevention, detection, and response across the full cloud-native stack.

## Why Work Here
- **Culture**: Known internally as "Sysdiggers" — collaborative, innovative, transparent, and team-centric. The company emphasizes trust, authenticity, and a global, connected workforce.
- **Work model**: Prioritizes in-office collaboration with remote flexibility based on business needs. Most new roles are office-based to support connection, while many existing team members work remotely. Headquartered in San Francisco with offices across the Americas and Europe.
- **Benefits**: Full medical, dental, and vision coverage for US employees and dependents starting day one; competitive pay and equity for all; generous parental leave for all parents regardless of gender or path to parenthood; access to the Modern Health platform (mental health + career coaching) for employees and family globally.
- **Work/life balance**: Ongoing dialogue and policies aimed at optimizing work/life balance.
- **Career growth**: Internal mobility, mentoring, training, and regular feedback/development conversations.
- **DEI**: Explicit commitment to fostering a culture where every employee thrives as their authentic self.
- **Impact**: Opportunity to work on cutting-edge AI security technology with a category-leading team, protecting cloud-native applications at global scale.

## Sources
1. [Sysdig Careers](https://www.sysdig.com/careers)
2. [Sysdig Homepage](https://www.sysdig.com/)
3. [Sysdig About Us](https://www.sysdig.com/about)
4. [Sysdig LinkedIn Company Page](https://www.linkedin.com/company/sysdig)
5. [Sysdig Open Positions](https://www.sysdig.com/careers/open-positions)

## Other roles at Sysdig

- [Senior AI & Product Enablement Specialist](https://feeny.ai/job/senior-ai-product-enablement-specialist-sysdig-spain-1w0jzvkw59rk) — Spain
- [Senior AI & Product Enablement Specialist](https://feeny.ai/job/senior-ai-product-enablement-specialist-sysdig-italy-g6t07k5rxx00) — Italy
- [Manager, GEO & Web Strategy](https://feeny.ai/job/manager-geo-web-strategy-sysdig-united-states-rjwzht3hm2m1) — United States
- [Director, Field Marketing & Demand Generation](https://feeny.ai/job/director-field-marketing-demand-generation-sysdig-united-states-dmp8wgdjzpvq) — United States
- [Senior Customer Reliability Engineer](https://feeny.ai/job/senior-customer-reliability-engineer-sysdig-spain-hryqqhqbaket) — Spain
- [Senior Customer Solutions Engineer](https://feeny.ai/job/senior-customer-solutions-engineer-sysdig-costa-rica-r3zspb8g2msp) — Costa Rica
- [Senior Customer Reliability Engineer](https://feeny.ai/job/senior-customer-reliability-engineer-sysdig-italy-609vwj5qk9k4) — Italy
- [Senior Customer Solutions Engineer (US East Coast)](https://feeny.ai/job/senior-customer-solutions-engineer-us-east-coast-sysdig-united-states-3144f7kyvsv1) — United States
- [Senior Open Source Engineer](https://feeny.ai/job/senior-open-source-engineer-sysdig-italy-1rnth4xnvccb) — Italy
- [Director of Security Engineering](https://feeny.ai/job/director-of-security-engineering-sysdig-united-states-nbd38zxcp5dr) — United States