[Hiring] Senior Product UX Designer @Halcyon

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.

• 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 behaviour, and iterate quickly in our fast‑paced, startup environment incorporating customer feedback, technical constraints, and usability findings into designs.

• 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 lofi and hifi 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).

• 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.

Benefits:

 Halcyon offers the following benefits to eligible employees:

• Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents.

• 401k plan with a generous employer contribution.

• Short and long-term disability coverage, basic life and AD&D insurance plans.

• Medical and dependent care FSA options.

• Flexible PTO policy.

• Parental leave.

• Generous equity offering.

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.​

Base Salary Range: $140,000 - $170,000

Bonus Target: 10%