Security Engineer (Senior/Staff) - VC Backed Startups
About The Position
Join SignalFire’s Talent Network for Security Engineer (Senior/Staff) Roles at VC-Backed Startups. This is not an application for a specific job, but a way to get on the radar of VC-backed startups that are actively hiring Security Engineering talent. SignalFire partners with top early-stage startups shaping the future of technology across AI, cybersecurity, healthtech, fintech, developer tools, and enterprise SaaS. We are looking to connect with exceptional Senior and Staff Security Engineers excited about building secure products, protecting critical systems, and establishing scalable security practices at high-growth startups. By joining SignalFire’s Talent Network, your profile will be shared with our portfolio companies, providing visibility into exclusive early-stage opportunities.
Requirements
- 5+ years of experience across security engineering, application security, cloud security, infrastructure security, or related disciplines
- Strong software engineering or systems engineering foundation, with proficiency in languages such as Python, Go, Java, JavaScript, TypeScript, or Rust
- 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
Nice To Haves
- Passionate about building secure, resilient products and infrastructure
- Experienced in identifying vulnerabilities and translating security risks into practical engineering solutions
- Excited to establish security programs and technical standards in fast-moving startup environments
- Comfortable partnering across engineering, product, infrastructure, and business teams
- Interested in balancing strong security controls with product velocity and customer needs
Responsibilities
- 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 frameworks such as SOC 2, ISO 27001, HIPAA, or PCI DSS
- Mentor engineers and promote shared ownership of security across the organization
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
