Washington, DC On-site Full-time USD 150,000 – 173,000 / year

The Nuclear Company is hiring a Staff Application Security Engineer

Responsibilities

  • Conduct security evaluations and threat modeling for software modules, internal utilities, APIs, data processing systems, AI-integrated features, and cloud-connected services.
  • Work closely with development teams to detect and resolve risks related to authentication, authorization, tenant separation, input validation, secret management, encryption, logging, and data access controls.
  • Evaluate application architectures and code modifications for potential security flaws prior to deployment.
  • Develop standardized security patterns for web applications, APIs, mobile processes, internal platforms, and data-intensive systems.
  • Support the implementation of secure-by-design principles in applications used in regulated, high-impact environments.
  • Enhance DevSecOps practices across a GitHub-based development lifecycle, including code analysis, dependency checks, secret detection, branch protection, CI/CD security, and secure development workflows.
  • Collaborate with teams to build secure pathways using templates, checklists, automation, documentation, and streamlined review methods that enable faster, confident delivery.
  • Assess and prioritize security findings from static analysis, software composition analysis, secret scans, penetration tests, code reviews, and internal audits.
  • Create practical vulnerability management processes, remediation strategies, and engineering-focused metrics.
  • Support secure coding initiatives through design consultations, office hours, documentation, and direct collaboration with developers.
  • Partner with cloud and platform teams to secure AWS workloads, infrastructure-as-code, service integrations, data pipelines, and deployment procedures.
  • Evaluate security for integrations involving Palantir Foundry, third-party APIs, internal data platforms, and AI-assisted development workflows.
  • Help protect sensitive data as it moves across application, platform, and operational environments.
  • Work with infrastructure and development teams to ensure application events, audit logs, and security telemetry are collected to support incident investigation and response.
  • Navigate cybersecurity requirements in a regulated nuclear energy context, including compliance with relevant frameworks and critical infrastructure standards.
  • Act as a trusted security advisor to software developers, product managers, data engineers, infrastructure teams, and business stakeholders.
  • Communicate security risks clearly and practically, balancing security needs with delivery speed, product usability, and operational efficiency.
  • Contribute to the evolution of application and product security strategy as the organization scales from early systems to fleet-wide operations.
  • Help cultivate a culture of accountability, speed, and technical excellence across engineering and cybersecurity teams.

Benefits

  • Competitive pay and total compensation packages
  • 401k retirement plan with employer matching contributions
  • Comprehensive medical, dental, and vision insurance options
  • Generous paid time off and company holidays

Compensation

Competitive compensation packages

Work Arrangement

Not specified

Team

Not specified

Other

  • Compliance with export controls under U.S. law may limit consideration of certain applicants.
  • Equal opportunity employer: no discrimination based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or other protected characteristic.
  • Recruiting fraud alert: official communication only via @thenuclearcompany.com; no payments or sensitive financial information requested during recruitment.

Not specified

About company
The Nuclear Company
The Nuclear Company is the fastest growing startup in the nuclear and energy space creating a fleet-scale approach to building nuclear reactors. Through its design-once, build-many approach and coalition building across communities, regulators, and financial stakeholders, it is committed to delivering safe and reliable electricity at the lowest cost, while catalyzing the nuclear industry toward rapid development in America and globally.
All jobs at The Nuclear Company Visit website
Job Details
Department Application and Product Security
Category security
Posted 4 hours ago