Senior Security Engineer

Position Overview

• Location Type: Remote-first (Offices in New York and Boston)
• Job Type: Full-time
• Salary: $140,000 - $200,000 (varied on experience and market rate)

Runwise is seeking a Senior Security Engineer passionate about building secure, resilient systems in a fast-paced, mission-driven environment. Runwise is a climate-tech startup that significantly reduces energy usage and carbon output in over 6000 buildings across the US through its unique hardware and software service. This role is critical in protecting our platform, infrastructure, and users, requiring collaboration with software development and infrastructure teams to integrate security throughout the development lifecycle.

Responsibilities

• Partner with product and infrastructure teams to embed security into system architecture and software design.
• Design and enforce application and platform security best practices across our services and APIs.
• Build tooling and automation for threat detection, vulnerability scanning, and secure code analysis.
• Manage and improve secrets management, IAM policies, and data protection in AWS and edge deployments.
• Define and track security-related SLAs and risk indicators across services.
• Respond to and manage security incidents, including root cause analysis and post-incident reviews.
• Lead regular security reviews, risk assessments, penetration tests, and red/blue team exercises.
• Stay ahead of emerging threats and continuously improve 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.

Company Values

• No job is too small.
• Sincerity builds trust.
• Setbacks fuel progress.
• Efficiency is vital.

Benefits

• 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. DEIG Committee, Run Club)

This role offers an excellent opportunity to join a fast-growing company, create a career path, and work alongside talented individuals. You will gain insights into real estate and software/managed services sales while making a tangible impact on reducing carbon emissions nationwide.