Full-Time Senior Product UX Designer

What we do:Halcyon is the industry’s first dedicated, adaptive security platform that combines multiple proprietary advanced prevention engines along with AI models focused specifically on stopping ransomware.

Who we are:Halcyon was formed in 2021 by a team of cyber industry veterans after battling the scourge of ransomware (and advanced threats) for years at some of the largest global security vendors. Comprised of leaders from Cylance (now Blackberry), Accuvant (now Optiv), Fireye and ISS X-Force (now IBM), Halcyon is focused on building products and solutions for mid-market and enterprise customers. As a remote-native, completely distributed global team, we recognize great talent can exist anywhere. We invite you to apply to a job you’re interested in and we’ll work a plan to meet your needs.

The Role:Halcyon’s goal is to deliver an anti-ransomware solution that breaks new ground as to what a security product can deliver. To elevate our customer experience, we’re hiring our first dedicated Product UX Designer to own the end-to-end design of the Halcyon platform including spanning the console UI, policy-management workflows, alert triage views, and our upcoming integrations with third party security products.

You’ll partner with Product, Engineering, Threat Response, Quant and Customer Success teams to transform complex security data into clear, intuitive, and visually compelling experiences that help customers stop ransomware in its tracks.

Responsibilities:

• User-centered Design: Plan and conduct user research, persona development, and usability testing to uncover pain points and validate design decisions.
• Product & Feature Design: Quickly iterate on user flows, wireframes, workflows, prototypes, and design specifications with Design, Product, and Engineering teams, as well as business stakeholders and executive leadership.
• Design System Ownership: Establish and maintain Halcyon’s design system and design library (components, patterns, tokens) in Figma; ensure consistency across web app, docs, and in-product messaging.
• Data Visualization: Translate complex telemetry—alerts, events, etc—into clear charts, tables, and visual cues that accelerate user insight and action.
• Cross-functional Collaboration: Work shoulder-to-shoulder with PMs, engineers, security analysts, brand and marketing to ship intentional and accessible designs on time.
• Continuous Improvement: Analyze user behavior, and iterate quickly in our fast-paced, startup environment incorporating customer feedback, technical constraints, and usability findings into designs.

Skills & Qualifications:

• 5-10 years specializing in Product UX/UI for Enterprise SaaS and Software (cybersecurity or data-intensive tools a plus).
• Portfolio showcasing end-to-end product design—research insights → wireframes → shipped UI.
• Experience and comfort in both lo-fi and hi-fi tools such as Balsamiq, prototyping, and design-system management.
• Confident and comfortable designing for complex workflows: RBAC, dashboards, policy engines, APIs.
• Strong grasp of and modern front-end patterns.
• Excellent communication skills—you can defend design decisions with data and user insights while presenting design work with teammates, to partners and stakeholders for review and feedback.
• Thrives in a high-growth startup: self-directed, decisive, and bias-to-action.
• Experience with security or observability dashboards (alerts, timelines, MITRE ATT&CK, etc.).
• Familiarity with Material UI, React, etc so working directly with engineers and developers for implementation of designs is seamless.
• Knowledge of access-controlled SaaS (multi-tenant, enterprise settings).

Why Halcyon:

• Mission-critical impact: Your designs will help global enterprises prevent and recover from ransomware attacks.
• Green-field ownership: Build the design foundation—your system becomes the standard.
• Cross-disciplinary team: Work with elite and dedicated security experts and talented software builders.
• Rapid growth: Shape a product that’s scaling fast into Fortune-500 and public-sector accounts.

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