Halcyon

As a Senior DevOps Engineer, you’ll take technical ownership of our cloud infrastructure and DevOps practices. You’ll help us design resilient systems, scale infrastructure, mentor engineers, and collaborate across product, platform, and security teams. You will build, operate, and maintain our infrastructure, CI/CD, observability, and automation within the DevOps function.

As a mid-level Frontend Engineer, you'll contribute to the development and evolution of our security platform's user interface, working within a modern React-based tech stack. You'll join a team focused on building scalable, maintainable frontend systems that serve both internal and customer-facing functions. Your primary focus will be on React-based applications, with opportunities to shape our client-side rendered architecture.

Halcyon is seeking our first Content Strategist — a builder who can shape and lead our content strategy from the ground up. This role is central to creating a cohesive content ecosystem that fuels demand generation, product marketing, and thought leadership, all mapped to the cybersecurity buyer journey. We’re looking for someone who thrives at the intersection of strategy and execution and comfortable driving big-picture while writing content across multiple formats.

Halcyon is seeking an experienced Agent Build/DevOps Engineer to develop and manage automation surrounding the development, building, and deployment of endpoint software. This role supports the delivery of endpoint protection capabilities to defend customers from ransomware threats by streamlining build and deployment workflows.

We’re looking for a motivated, collaborative, and customer-focused Renewals Specialist to join our team. You’ll drive the renewals process end-to-end, strengthen relationships with customers and partners, and help ensure Halcyon’s customers continue to succeed against ransomware. You’ll work closely with Sales, Customer Success, and Channel teams to protect and grow recurring revenue while shaping scalable processes for the future.

Combining business and security expertise, the Solutions Architect role will demonstrate the value of Halcyon’s cyber resilience solution to customers by advising, educating, and redefining the next generation of cybersecurity and recovery, facilitating discussions and coordinating technical demonstrations.

Halcyon is seeking a highly skilled and experienced Senior Technical Support Engineer to join our growing support team. In this role, you will address customer issues across various platforms, including Windows, Linux, and Mac and collaborate closely with Customer Success, Engineering, and Threat Response teams to troubleshoot and resolve customer issues.

Halcyon's mission is to redefine what a security product can deliver and seeks a highly skilled Threat Analyst with deep technical expertise in malware reversing and detection engineering. This role is critical to advancing our detection and prevention capabilities, ensuring broad coverage of emerging threats while eliminating false positives.

Halcyon is seeking an experienced Windows Sustaining Engineer to support the development and long-term maintenance of our Halcyon Anti-Ransomware platform on Windows. Responsibilities include diagnosing and triaging customer issues by analyzing logs, crash dumps, and diagnostic data to identify root causes and improve product quality.

Halcyon is seeking a Senior Malware Researcher to lead complex ransomware research on Windows and Linux, mentor researchers, and drive the development of tools and decryptors. You will set research priorities, identify emerging threats, and ensure detection and recovery strategies remain ahead of the threat landscape.

Halcyon is seeking an exceptional Strategic Account Executive to make an immediate impact. The ideal candidate excels at early stage companies. Responsibilities include leveraging industry relationships to generate pipeline and convert prospective clients, understanding their needs and presenting tailored solutions, and cultivating strong relationships with existing clients.

Halcyon is building the most resilient anti-ransomware platform on the market and needs a Windows kernel expert at the forefront of agent development. As a Principal Kernel Engineer, you will play a key role in the design and evolution of the Windows kernel components that prevent, detect, and respond to ransomware. This role demands deep experience with Windows OS internals and the ability to ship robust drivers.

Halcyon is looking for a motivated Business Development Representative to drive new business opportunities in the State, Local, and Education segment, building relationships with prospective clients, and generating leads within the cybersecurity and ransomware protection space.

Halcyon is building the most resilient anti-ransomware platform on the market, and we need a Senior Security Data Engineer to power our data infrastructure. You'll be responsible for building and maintaining the robust data pipelines that ingest, process, and deliver critical security data, which powers our decisions and analytics. In this role, you'll implement and operate large-scale data systems that handle large volumes of behavioral, network, file, and product signals.