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Senior Security Engineer

United States · Job Posted December 11, 2025
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Job Description

Senior Security Engineer – Remote (US) – Competitive Salary Opportunity to work with an Ambitious, Rapidly-Growing Company! This young, but already well-established organisation are currently looking for a Senior Security Engineer to join their team and help drive the business forwards. This could be an excellent opportunity for an experienced Security Engineer with founding/small start-up experience to take that next step into an exciting position with a very well-run and ambitious organisation in an innovative, exciting space. This young and agile company are building cutting-edge platforms to help American users! They are in a unique space where there is an opportunity for them to gain significant market share very quickly.

Job Responsibility

  • Conduct regular vulnerability assessments, penetration testing, and security audits to identify and remediate security gaps across our cloud infrastructure and applications
  • Monitor systems for security threats, suspicious behavior, and anomalies using SIEM tools and security monitoring and vulnerability platforms like CrowdStrike and Nessus
  • Lead security incident response efforts, investigate suspicious reports, and implement preventative measures that may be warranted
  • Review and approve code (Node, React, Python) that accesses to data, authentication, or integrations, ensuring secure development practices are followed
  • Work closely with engineering and operations teams, including executive stakeholders and occasionally third-party service providers, to integrate security best practices into development and deployment processes
  • Evaluate and provide security recommendations for system architecture changes (e.g. network segmentation, microservices, virtual environments, data warehousing, etc) and new feature implementations, including the evaluation of AI enablement opportunities
  • Secure cloud deployments (AWS/Heroku/Netlify), including configuration of firewalls, IAM policies, VPCs, databases/data warehouses (PostgreSQL, Snowflake), API security, container security, and network monitoring
  • Manage and maintain access controls across server environments, implementing principle of least privilege
  • Advise and audit the proper handling of data in accordance with privacy and security requirements and data classification policies
  • Review and assess security implications of all third-party integrations and vendor relationships
  • Stay current on vulnerabilities and versions of all system dependencies, coordinating updates as needed
  • Provide recommendations and technical input for security strategy and policy development, including the implications of emerging technologies like artificial intelligence
  • Provide technical attestation and evidence for SOC 2 Type II audits and other security compliance frameworks
  • Implement and maintain security policies across the organization, including endpoint security for laptops and mobile devices
  • Evaluate third-party providers and vendors for security risks and compliance requirements
  • Educate team members on security best practices and emerging threats, both within engineering and across the organization

Requirements

  • Bachelor’s degree in Computer Science, Information Security, Cybersecurity, or related technical field
  • 5+ years of hands-on experience in security engineering or related roles
  • Expertise in secure software development, architecture design, threat modeling, CI/CD pipelines, and risk assessment
  • Deep knowledge of network, system, database, and application layer attack patterns and mitigation methods
  • Ability to clearly communicate complex concepts appropriately to multiple audience types
  • Coding skills necessary to discover and patch issues Node, TypeScript/React, Python
  • Solid understanding and experience with AWS, Heroku, Netlify, and Snowflake, including policy, configurations, and security management tooling
  • Proven track record with SOC 2, PCI DSS, or similar compliance frameworks and reporting
  • Experience working in startup or high-growth environments, fintech, and/or highly regulated industries preferred
  • Cloud security certifications with evidence of continued education in the area of security are a plus

Nice to have

  • Experience working in startup or high-growth environments, fintech, and/or highly regulated industries preferred
  • Cloud security certifications with evidence of continued education in the area of security are a plus

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