Senior Infrastructure Security Engineer

Matter Labs is dedicated to advancing personal freedom for all by building zkSync, a credibly neutral, fully open-source technology stack on Ethereum. As a Senior Infrastructure Security Engineer, you will secure the infrastructure powering zkSync, working across cloud, application, and systems layers to build and maintain robust defenses.

Overview

Department

Engineering

Job type

Full time

Compensation

Salary not specified

Location

Global

Resume Assistance

See how well your resume matches this job role with our AI-powered score. By uploading your resume, you agree to our Terms of Service

Click to upload

or drag and drop

pdf, doc, or docx (max. 10MB)

Ready to apply?

You're one step away - it takes less than a minute to upload your resume

Key Responsibilities

Design and implement secure infrastructure, including hardening cloud environments, containers, and CI/CD pipelines.

Help build detection and monitoring systems (e.g., SIEM, alerting pipelines) to ensure early threat detection and effective incident response.

Collaborate with engineers and DevOps to identify security risks in architecture reviews, system upgrades, and deployment plans.

Contribute to the design and review of Terraform, Ansible, or similar IaC, ensuring security is embedded from the ground up.

Participate in threat modeling, internal audits, and hands-on vulnerability remediation across our stack.

Work closely with Protocol Security, DevOps, and Product Engineering to align on shared security goals and ensure coverage across the full lifecycle.

Help implement tools to detect unusual infrastructure-level activity from on-chain signals (e.g., misuse of credentials or suspicious deployment patterns).

What We're Looking For

Hands-on experience securing cloud-native environments (e.g., AWS, GCP), Kubernetes, CI/CD pipelines, and internal systems.

Practical knowledge of threat modeling, incident response, vulnerability management, and systems architecture.

Familiarity with Infrastructure as Code (Terraform, etc.), secrets management, and security automation tooling.

A self-starter who’s comfortable with ambiguity and can drive security work through delivery — not just assessment.

Able to partner across teams, raise risks constructively, and translate complex security concepts to technical and non-technical stakeholders.

Familiarity with the security considerations of decentralized infrastructure and open-source ecosystems. Bonus for knowledge of Ethereum, Solidity, or ZK-related tech.

Working at Matter Labs

You have the freedom to work how you want, when you want, and from where you want. All positions are 100% remote (with optional travel to team or industry events). We operate in lean, high-impact teams with minimal bureaucracy and no time tracking - only results matter. You’ll have everything you need to learn, grow, and be productive.

We believe anyone who shares our mission can thrive here - regardless of background, gender, or location. That’s why we foster a culture of respect, autonomy, and ownership.

What We Offer

Competitive compensation

Equity and token package

100% coverage for health, dental, and vision insurance

16 weeks of parental leave

Flexible paid time off

Company closure weeks 1–2x per year

$2000 USD work equipment stipend

$300 USD monthly co-working allowance

$500 USD learning & development stipend

401k plan (US only)