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The role involves managing daily content production across social media, creating visual assets, designing presentations, and drafting press materials for a brand.

The Staff Mechanical Engineer will own the design and production of fluid systems, perform thermal and fluids analysis, and manage suppliers and schedules, ensuring system performance and integrity.

The Senior Mechanical Engineer will design and test fluid systems, perform thermal and fluids analysis, and manage project components, including supplier selection and risk analysis, for nuclear microreactors.

Own Radiant's external media presence: build reporter and podcaster relationships, secure executive bookings and feature coverage, coordinate investor amplification, prepare spokespeople, manage crisis communications, monitor competitors, and report media metrics.

Lead day-to-day accounting operations, manage month- and year-end close, oversee fixed assets, inventory, payroll accounting, reconciliations, and internal controls. Support audits, implement systems/process improvements, collaborate cross-functionally, and mentor junior accounting staff.

Lead architecture and delivery of Radiant's enterprise data platform and AI strategy. Own vendor evaluations for secure AI tooling, mentor engineers, coordinate with software teams, ensure Databricks-based integrations and dashboards meet ITAR/EAR compliance, and act as a hands-on technical leader.

Lead development and execution of cybersecurity strategy, policies, audits, and control testing. Partner with engineering and IT to integrate security requirements, advise regulators, and manage security budgets and resources. Educate stakeholders and implement high-assurance controls for nuclear, defense, and critical infrastructure environments.

Design and develop mechanisms for safety and control features in the new commercial reactor. Conduct trade studies, analyze designs, and manage integration processes.

Hands-on role assembling, integrating, and preparing turbomachinery hardware (compressors, turbines, rotors, bearings, seals, motors) for first-article testing. Develop assembly instructions, alignment and torque procedures, support rotor stacking, balancing, and tooling. Collaborate with design, test, and manufacturing teams, document builds, troubleshoot issues, and iterate on assembly processes while receiving mentorship and growing technical skills.

Own full-cycle technical recruiting to source, assess, and close top talent across technical and corporate roles. Partner with hiring managers and leadership to define hiring strategies, develop structured processes, drive proactive sourcing and employer branding, represent Radiant at events, and use data to improve recruitment outcomes.