Member of Technical Staff - Security

NeoSigma Telecom Solutions Private Limited•San Francisco, CA

1d•Hybrid

About The Position

As a founding member, you’ll help define the technical foundation of NeoSigma. Your scope will grow with the company, from owning core systems end-to-end to shaping architecture, hiring, and engineering culture. This role has a natural path toward technical leadership or engineering management as the team scales.

Requirements

Hands-on security experience at a fast-moving startup
Worked through SOC 2, HIPAA, or similar and can turn compliance into engineering decisions
Can explain a zero-day to a founder and a post-mortem to a customer, clearly, every time
Picks up unowned problems and finishes them with no hand-holding needed
Built and operated high-scale systems in production and knows what breaks and why
Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience)

Responsibilities

Own security across the full stack: backend, on-device, and browser extension
Build access controls, encryption, and audit infrastructure that scale with the product
Run threat assessments, find gaps, and close them before they become incidents
Lead incident response: triage fast, contain damage, prevent recurrence
Build logging and alerting that supports SOC 2 and catches real problems in real time
Ship customer-facing security features across our dashboard, desktop app, and backend
Talk directly with enterprise customers' security teams, answer hard questions, earn trust
Tackle security challenges unique to AI agents: prompt injection, tool misuse, data leakage
Set the security bar for the team, review code, shape standards, make it everyone's responsibility