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Security Engineer (SeniorStaff) VC Backed Startups

SignalFire


Job Location:

New York City, NY - USA

Monthly Salary: Not provided by the employer
Posted: 7 August 2026 (30+ days ago)
Application Deadline: 4 November 2026
Vacancies: 1 Vacancy

Job Summary

Join SignalFires Talent Network for Security Engineer (Senior/Staff) Roles at VC-Backed Startups

This is not an application for a specific job. Instead this is a way to get on the radar of VC-backed startups that are actively hiring Security Engineering talent. If you have any questions please direct inquiries to .

At SignalFire we partner with top early-stage startups that are shaping the future of technology. Our portfolio spans 200 innovative companies across AI cybersecurity healthtech fintech developer tools and enterprise SaaS.

Were looking to connect with exceptional Senior and Staff Security Engineers who are excited about building secure products protecting critical systems and establishing scalable security practices at high-growth startups.

By joining SignalFires Talent Network your profile will be shared with our portfolio companies giving you visibility into exclusive early-stage opportunities that may not be publicly listed.

Who Should Join

Were looking for engineers who are:

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

Typical Roles & 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

Common Qualifications

While each startup has its own hiring criteria many Senior and Staff Security Engineer roles in our network look for:

  • 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

Technologies You Might Work With:
  • Languages & Development: Python Go Java JavaScript TypeScript Rust Bash

  • Cloud & Infrastructure: AWS GCP Azure Kubernetes Docker Terraform Linux

  • Application Security: SAST DAST software composition analysis dependency scanning API security penetration testing

  • Detection & Response: SIEM EDR intrusion detection log analysis incident response security orchestration

  • Identity & Data Security: IAM SSO OAuth SAML secrets management key management encryption

  • Security Platforms & Tools: Wiz Snyk Semgrep Burp Suite CrowdStrike Okta Datadog Splunk

What Happens Next
  1. Submit your application to join SignalFires Talent Ecosystem.

  2. We review applications on an ongoing basis to identify strong candidates.

  3. If theres a match a SignalFire talent partner or a leader from one of our startups may reach out directly.

  4. No match yet Well keep your profile on file for future Security Engineering roles across our portfolio.


Required Experience:

Senior IC