Stellar Cyber

Stellar Cyber is an open XDR platform that offers comprehensive security while streamlining operations for efficiency.

101-250 employees

Founded 2015

$33.7M series unknown

Security

Private Company

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Security Cyber Security Network Security

Remote Work Available

This company offers remote work opportunities. Team members are distributed across the U.S. and Canada.

Open Positions16

United StatesFull-TimeCybersecurity, SecOpsPosted

Machine Learning Infrastructure Engineer - LLM & Agentic AI

Design and build Agentic AI frameworks to orchestrate LLM-based agents that reason, plan, and execute SecOps tasks in Stellar Cyber’s Open XDR platform.
Design and develop scalable LLM inference infrastructure for runtime- and cost-efficient serving and resource management across LLM hosting providers.
Develop MCP servers that interact with Open XDR platform services and features and integrate with LLM-based agents.
Develop supporting API services for reliable and extensible agent operations in Autonomous SOC applications.
Collaborate with machine learning and security researchers, UI, backend, and infrastructure engineers, and product management to align infrastructure with evolving product needs.

DockerPythonJava+7 more

Showing 1 of 16 positions

About Stellar Cyber

Stellar Cyber pioneered the AI-driven Open XDR platform, simplifying cybersecurity for global organizations. You will join a team protecting enterprises and over 30% of the world’s top MSSPs from sophisticated cyber threats. Their unified platform drastically reduces risk by cutting threat detection time by 20x and response time by 8x. This innovative solution unifies SIEM, NDR, and more into a single system, streamlining security operations. The company has raised over $93.5 million to continue transforming how businesses secure their environments.

How We Work

You will join a culture built on diversity, openness, and collaboration. They foster creativity and innovation that drives real market impact. The company is rooted in transparency and openness, without rigid hierarchies. Stellar Cyber is feedback-driven, encouraging open communication at every level. Remote work is embraced, with positions open across the globe. You can work from anywhere in regions like Taiwan, Japan, Brazil, the UK, Germany, and the United States.

Engineering at Stellar Cyber

Stellar Cyber is at the forefront of protecting organizations using cutting-edge AI and automation technologies. Engineers here solve complex problems in distributed systems, data platforms, and real-time processing. You will work with cloud environments like AWS, Azure, GCP, and OCI. Expertise in Kubernetes, Docker, and Infrastructure as Code (Terraform, Helm) is central to their approach. The team leverages observability tools such as Prometheus, Grafana, Loki, and Alertmanager. They also actively integrate AI tools like Copilot, Cursor, Claude, and ChatGPT to accelerate engineering workflows, ensuring top-tier efficiency. Their solutions process diverse log formats and massive data volumes from hundreds of security sources.

Why Join Us

Drive real impact in cybersecurity with cutting-edge AI and automation technologies.
Contribute to a platform trusted by global enterprises and over 30% of top MSSPs.
Work in a transparent, feedback-driven culture that values autonomy and innovation.
Accelerate your career in a fast-growing global leader, backed by $93.5M in funding.
Enjoy competitive compensation and equity opportunities.

Benefits & Perks

Pre-IPO Stock Options
Medical, Dental & Vision care
401(k)
Life Insurance
Paid time off
Referral Program
Rewards and Recognition Program
Employee Assistance Program
Employee Discount Program

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