Security Engineer – Senior, Staff

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🕒 August 5

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SignalFire

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2012

🏥 Healthcare

💼 Consulting

📦 Logistics

Healthcare • Consulting • Logistics

SignalFire is a venture capital firm built on technology and data, dedicated to supporting growth for early-stage companies through advanced AI tools and seasoned sector expertise. They focus on providing unparalleled support to their portfolio companies, combining in-house AI capabilities with tailored advisory programs across multiple sectors such as healthcare, fintech, cybersecurity, and more.

📋 Description

• Design and implement security controls across applications, cloud infrastructure, internal systems, and development environments • Conduct architecture reviews, threat modeling, code reviews, and security assessments for new products and features • Identify, prioritize, and remediate vulnerabilities across the technology stack • Embed security into the software development lifecycle through secure coding standards, automated testing, and developer tooling • Build and improve detection, monitoring, incident response, and vulnerability management capabilities • Partner with engineering and infrastructure teams to strengthen cloud, container, network, identity, and access security • Lead or support the investigation and remediation of security incidents • Develop reusable security tooling, automation, documentation, and technical guardrails • Evaluate third-party technologies, integrations, and vendors for potential security risks • Support customer security reviews, enterprise diligence, and technical compliance requirements • Help establish security policies and controls aligned with SOC 2, ISO 27001, HIPAA, or PCI DSS frameworks • Mentor engineers and promote shared ownership of security across the organization • Submit an application to join SignalFire’s Talent Ecosystem • Maintain profile consideration for future Security Engineering roles across SignalFire’s portfolio companies

🎯 Requirements

• 5+ years of experience across security engineering, application security, cloud security, infrastructure security, or related disciplines • Strong software engineering or systems engineering foundation • Proficiency in languages such as Python, Go, Java, JavaScript, TypeScript, Rust, or Bash • Experience securing cloud-native applications and infrastructure on AWS, GCP, or Azure • Knowledge of common application and infrastructure vulnerabilities, attack techniques, and mitigation strategies • Experience with threat modeling, secure design reviews, penetration testing, or vulnerability research • Familiarity with identity and access management, secrets management, encryption, and network security • Experience building security automation and integrating controls into CI/CD pipelines • Ability to communicate technical risks and recommendations to engineering teams and business stakeholders • Strong judgment around risk prioritization, remediation, and balancing security with execution speed • Experience in venture-backed startups, security-sensitive industries, or rapidly scaling technology companies • Passion for building secure, resilient products and infrastructure • Experience identifying vulnerabilities and translating security risks into practical engineering solutions • Interest in establishing security programs and technical standards in fast-moving startup environments • Ability to partner across engineering, product, infrastructure, and business teams • Interest in balancing strong security controls with product velocity and customer needs

🏖️ Benefits

• Exclusive early-stage opportunities that may not be publicly listed • Profile shared with SignalFire portfolio companies • Ongoing profile consideration for future Security Engineering roles across the portfolio • Potential access to full-time operating, fractional/interim, and advisory opportunities (based on applicant preference) • Opportunity to receive newsletters, insights, or invitations to community events (with consent)