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Senior Security Engineer

Senior Security Engineer to protect platform, infrastructure, and users.
Runwise
Remote
Hybrid
United States
USD 140,000 - 200,000
Job Description
Runwise is seeking a Senior Security Engineer to safeguard its platform, infrastructure, and users. The ideal candidate will collaborate with software development and infrastructure teams to design and implement secure systems and practices. This role is crucial for protecting customer data, hardening infrastructure, and integrating security throughout the development lifecycle.

Responsibilities include:
  • Partnering with product and infrastructure teams to embed security into system architecture and software design.
  • Designing and enforcing application and platform security best practices across services and APIs.
  • Building tooling and automation for threat detection, vulnerability scanning, and secure code analysis.
  • Managing and improving secrets management, IAM policies, and data protection in AWS and edge deployments.
  • Defining and tracking security-related SLAs and risk indicators across services.
  • Responding to and managing security incidents, including root cause analysis and post-incident reviews.
  • Leading regular security reviews, risk assessments, penetration tests, and red/blue team exercises.
  • Staying ahead of emerging threats and continuously improving our defense posture.

Requirements:
  • 5+ years of experience in software or infrastructure security roles.
  • Proven expertise in securing cloud environments (especially AWS) and distributed systems.
  • Strong grasp of modern authentication, encryption, and secure software development practices.
  • Proficiency with security tooling such as SAST/DAST scanners, SIEM, IAM analyzers, and container scanning tools.
  • Familiarity with infrastructure-as-code tools (e.g., CloudFormation, Ansible).
  • Comfortable writing and reviewing code/scripts (Python, Go, and Bash preferred).
  • Experience managing security in CI/CD pipelines (GitHub Actions experience a plus).
  • Excellent communication skills with a bias toward documentation and cross-functional collaboration.
  • A proactive, product-minded approach and passion for sustainability and climate-tech.

Runwise offers:
  • Medical, dental, and vision insurance
  • HSA & FSA options
  • Paid Parental Leave
  • Access to Talkspace & Health Advocate
  • Flexible PTO
  • Commuter Benefits
  • 401K
  • Company-paid life insurance
  • Voluntary supplemental life insurance
  • Free in-office lunch on Wednesdays
  • Hybrid work environment
  • Summer Fridays
  • Monthly L&D Series
  • Employee Resource Groups (e.g. DEIB Committee, Run Club)
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