Senior Product UX Designer

Halcyon
Summary
Join Halcyon, a leading anti-ransomware company, as their first dedicated Product UX Designer. You will be responsible for the end-to-end design of the Halcyon platform, collaborating with various teams to create intuitive and visually compelling experiences for customers. This role requires 5-10 years of experience in Product UX/UI for Enterprise SaaS and Software, a strong portfolio, and expertise in design tools and workflows. Halcyon offers a competitive salary, comprehensive healthcare, 401k plan, disability coverage, flexible PTO, parental leave, and generous equity. The company is a remote-native, completely distributed global team, offering flexibility and the opportunity to work with elite security experts. This is a green-field opportunity to build the design foundation for a rapidly scaling product.
Requirements
- 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)
Responsibilities
- Plan and conduct user research, persona development, and usability testing to uncover pain points and validate design decisions
- 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
- 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
- Translate complex telemetry—alerts, events, etc—into clear charts, tables, and visual cues that accelerate user insight and action
- Work shoulder-to-shoulder with PMs, engineers, security analysts, brand and marketing to ship intentional and accessible designs on time
- Analyze user behaviour, and iterate quickly in our fast-paced, startup environment incorporating customer feedback, technical constraints, and usability findings into designs
Benefits
- 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