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Stellar Cyber Tech Stack

Open XDR platform combining SIEM, NDR, and AI-driven threat detection

Computer and Network Security San Jose, California 51–200 employees Founded 2017 Privately Held

Stellar Cyber operates an open security operations platform that consolidates SIEM, network detection and response (NDR), and extended detection and response (XDR) capabilities under a single license. The tech stack is polyglot (Python, Go, C/C++, Java) running on Kubernetes across AWS, GCP, Azure, and OCI—reflecting a platform built for multi-cloud enterprise deployments. Active hiring across engineering, sales, and security roles with a leadership-heavy seniority mix signals execution on platform consolidation and channel expansion.

Tech Stack 46 technologies

Core StackLinux Python Go Ruby Java Kubernetes Prometheus Grafana Loki AWS Elasticsearch MongoDB Salesforce Docker Windows C/C++ Suricata Configuration Manager Ubuntu CentOS Red Hat Enterprise Linux VXLAN TCP/IP DNS TLS HTTP Alertmanager GCP Azure OCI+16 more

What Stellar Cyber Is Building

◆Challenges

Ensuring reliability of production systems
Scalability of production systems
Enabling autonomous decision-making
Observability improvements across systems
Improving sensor performance
Breaking into new logos
Incident management and on-call operations
Improving observability
Meeting quarterly targets
Lead qualification and opportunity assessment

▲Active Projects

Observability improvements across systems
Ai agent development for soc automation
Ci/cd pipeline development
Iac implementation
Sensor software development
No-code security automation integration
Business vertical plans
Platform feature prototyping for soc
Channel management and marketing development
Performance tuning of sensor software

Hiring Activity

Accelerating40 roles · 20 in 30d

Department

Engineering

18

Sales

15

Security

5

Support

1

Seniority

Senior

18

Staff

10

Director

3

Junior

3

Manager

3

Mid

1

Principal

1

Notable leadership hires: Regional Sales Director

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About Stellar Cyber

Stellar Cyber builds a unified security operations platform for threat detection and incident response, deployed by MSSPs and enterprise security teams globally. The platform integrates AI-driven SIEM, network detection and response, and open XDR under a single interface, reducing tool sprawl in security operations centers. The company targets mid-market and enterprise organizations across multiple verticals, with go-to-market motion that includes both direct sales and MSSP channel partnerships. Engineering work centers on sensor performance, observability improvements, and SOC automation via AI agents—core functionality for the detection and response workflow.

HeadquartersSan Jose, California

Company Size51–200 employees

Founded2017

Hiring MarketsTaiwan, Turkey, Portugal, Malaysia, Philippines, Thailand, Germany, United Kingdom

Frequently Asked Questions

What countries does Stellar Cyber hire in?

Stellar Cyber is hiring across 14 countries: United States, United Kingdom, Germany, Austria, Belgium, Luxembourg, Hungary, Turkey, Portugal, UAE, Taiwan, Malaysia, Philippines, and Thailand.

What is Stellar Cyber's tech stack?

Core stack includes Linux, Kubernetes, Elasticsearch, and MongoDB for the platform. Detection engines use Suricata. Monitoring relies on Prometheus, Grafana, and Loki. Multi-cloud deployment spans AWS, GCP, Azure, and OCI. Application layer uses Python, Go, C/C++, and Java.