Senior UX Designer II

SimSpace serves as an AI Proving Ground where organizations can confidently train test and outmaneuver adversaries in any environment. Trusted by allied governments militaries enterprises and research institutions worldwide SimSpace enables adaptive AI-ready defenses that stay ahead of evolving threats. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory the platform unifies training testing and validation in a realistic live-fire simulationhelping teams evaluate security investments optimize performance and compress cyber readiness cycles from months to days.

Why join SimSpace We are an organization that is focused on building our culture and mindfully enhancing our atmosphere every day which is why we have collaborated on an integral value system. Our governing philosophy of being Human Centered is deeply embedded within our value system. We apply this philosophy to every one of our internal team members external clients and their customers.

How Do We Work We believe that people are at the center of everything we do. SimSpace fosters a culture of continuous learning curiosity and professional growth. That belief shows up in action: in-house training internal and external learning platforms cyber conferences industry events and dedicated time for skill development. Our people are empowered to shape their careers - and it shows. Year over year SimSpace consistently outperforms industry benchmarks in internal mobility promotions and total rewards growth.

Who Thrives Here We are a team of innovators protectors and problem-solvers. We believe diversity of thought and experience fuels better solutions and were committed to building teams that reflect the communities we serve. Whether youre remote or office-based youll collaborate with talented colleagues across departments and time zones united by the mission to create a safer digital world.

We invite you to apply today!

SimSpace is seeking a Senior UX Designer II to help shape the future of our application suite. This person will reside in the Boston area mainly work remotely and at times join the team for meetings in-person.

This role is ideal for a designer who thrives in complex domains enjoys turning ambiguity into clarity and can confidently partner with Product Management and Engineering to define and deliver exceptional user experiences.

Success in this role requires strong systems thinking a customer-centered mindset and the ability to balance rapid exploration with thoughtful execution. Youll work across challenging enterprise workflows contribute to our evolving design system and help drive usability and consistency throughout the application.

What Youll Do

• Partner closely with Product Managers and Engineers to discover define and deliver valuable customer solutions.

• Translate complex workflows systems and technical concepts into intuitive and effective user experiences.

• Use rapid low-fidelity exploration techniquesincluding sketches diagrams workflows and prototypesto evaluate ideas align stakeholders and accelerate decision-making.

• Design end-to-end experiences through information architecture user flows wireframes prototypes and high-fidelity designs.

• Conduct user research usability testing and design validation activities to inform design decisions.

• Independently lead UX initiatives and drive solutions for complex product challenges.

• Apply established design patterns and contribute to the evolution of our design system to improve consistency accessibility and scalability.

• Collaborate with fellow designers through critique feedback and shared problem-solving.

• Present design work and rationale clearly to stakeholders leadership and cross-functional teams.

• Leverage AI-powered tools and emerging technologies to accelerate research ideation design exploration documentation and execution.

What Success Looks Like

• You are comfortable working through ambiguity and helping teams find clarity.

• You think in systems workflows and outcomesnot just screens.

• You know when to leverage existing design patterns and when to evolve them.

• You use lightweight artifacts to explore ideas quickly and drive alignment.

• You build trusted partnerships with Product and Engineering and actively contribute to product direction.

• You embrace AI as a practical tool for improving productivity quality and decision-making.

• You care deeply about customer outcomes and continuously seek opportunities to improve the user experience.

What Were Looking For

Required

• Experience designing complex enterprise software products.

• Strong portfolio demonstrating systems thinking workflow design and problem-solving ability.

• Experience working within established design systems and pattern libraries.

• Ability to balance customer needs business goals technical constraints accessibility requirements and platform consistency.

• Expertise with Figma and modern UX design and prototyping tools.

• Experience conducting user research and validating design decisions through customer feedback.

• Strong communication facilitation and stakeholder management skills.

• Experience collaborating closely with Product Management and Engineering throughout the product development lifecycle.

• Demonstrated ability to drive work independently and navigate ambiguity.

• Experience using AI tools as part of everyday design research or problem-solving workflows.

Preferred

• Experience contributing to or evolving a design system.

• Experience in cybersecurity networking infrastructure developer tools SaaS platforms or other highly technical domains.

• Familiarity with accessibility standards and inclusive design practices.

• Degree in Design Human-Computer Interaction Human Factors Psychology or a related discipline.

Were proud to offer a competitive and comprehensive package designed to support your well-being growth and success:

• Compensation. Base salary range: $155000 - $220000 reflecting our confidence in your expertise and impact with the opportunity for bonuses tied to company performance and individual contributions.

• Health & Wellness. Comprehensive medical dental and vision benefits plus savings planscoverage starts on day one!

• Mental Health Support. Access to company-paid counseling coaching and resources for you and your family through Spring Health.

• Financial Well-Being. Plan for your future with a 401(k)-retirement savings plan featuring a company match.

• Flexible Time Off. Take the time you need with unlimited vacation and dedicated health & wellness days. SimSpace provides flexible solutions to meet the diverse work-life needs of team members.

• Parental Leave. Paid leave plans to support you and your loved ones during lifes most important moments.

• Ownership Opportunities. Equity stock options at hire with annual performance-based grantsbecome an invested stakeholder in our shared success.

• Referral Rewards. Earn $1500$3500 for every qualified hire through our employee referral program.

• Peloton Interactive Wellness Program. Full- and partial- subsidized membership plans and equipment discounts to help you reach your personalized fitness goals.

• Continuous Learning. Access a LinkedIn Learning membership to prioritize your personal and professional development.

• Social Connections. Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community.

• Extra Perks. Legal plan coverage pet insurance wellness reimbursements and more to simplify lifes details.

Join SimSpace and enjoy benefits that enhance your career health and happiness!

SimSpace is an Equal Opportunity Employer:

In compliance with federal law all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.

SimSpace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin age pregnancy genetic information disability status as a protected veteran or any other protected category under applicable federal state and local laws. We are committed to providing an inclusive and welcoming environment for all members of our staff clients volunteers subcontractors vendors and clients.

Research shows that women and people from underrepresented groups only apply to jobs if they meet all of the qualifications. However no one ever meets 100% of the qualifications. SimSpace encourages you to break that statistic and to apply. We look forward to your application!

We also consider qualified applicants regardless of criminal histories in accordance with applicable law. We are committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or accommodation due to a disability please contact .

SimSpace does not accept unsolicited resumes from employment agencies.

Actual compensation for the position is based on a variety of factors including but not limited to affordability skills qualifications and experience and may vary from the range.

Required Experience:

Senior IC