Crypto Engineer

Mode Talent Pty Ltd; Sydney; On-site; AUD 150,000 - 210,000; Full time

Job summary

Mode Talent Pty Ltd is seeking a Production Engineer to design, build, and maintain blockchain validator infrastructure powering high-frequency trading worldwide.

You will own on-chain systems, improve monitoring, and advance security with key management and intrusion detection. The role requires strong PoS experience and Linux/Kubernetes expertise, collaborating globally in a fast-paced team environment.

Qualifications

• Experience managing Proof-of-Stake blockchain infrastructure (Solana/Ethereum preferred).
• Strong Linux, Kubernetes, networking, and cloud/bare-metal experience.
• Proficiency in bash scripting plus Python or Go or Rust.
• Ability to thrive in a fast-paced, flat team structure with reliable prioritization.

Responsibilities

• Own and operate on-chain infrastructure, including validators, light clients, and RPC nodes.
• Develop and improve monitoring and alerting systems for rapid issue detection and resolution.
• Experiment with emerging blockchain technologies and keep up with ecosystem developments.
• Enhance infrastructure security via key management, server hardening, and intrusion detection.
• Collaborate with internal teams and external partners to optimize performance and reliability.
• Participate in technical communities and knowledge sharing.

Skills

Blockchain infra

Linux

Kubernetes

Terraform

Ansible

Salt

Python

Go

Rust

Bash

PoS infra

Networking

Tools

Terraform

Ansible

Salt

Docker

Linux

Job description

Join a global trading firm as a Production Engineer working on blockchain infrastructure. Manage validator nodes, improve security.

Production Engineer – Blockchain Infrastructure

Location: Sydney CBD

Are you passionate about blockchain technology and eager to work at the cutting edge of financial markets? Join a leading global proprietary trading firm as a Production Engineer on our innovative Production Engineering team. In this role, you’ll design, build, and maintain sophisticated blockchain validator infrastructure and tooling that powers high-frequency trading across traditional and crypto markets worldwide. You’ll collaborate with talented engineers globally to solve complex technical challenges involving consensus algorithms, distributed systems, and cryptography.

What you’ll do:

• Own and operate on-chain infrastructure, including validators, light clients, and RPC nodes.
• Develop and improve monitoring and alerting systems for rapid issue detection and resolution.
• Experiment with emerging blockchain technologies and keep up with ecosystem developments.
• Enhance infrastructure security via key management, server hardening, and intrusion detection.
• Collaborate with internal teams and external partners to optimize performance and reliability.
• Participate in technical communities and knowledge sharing.

What we’re looking for:

• Strong passion for blockchain and a keen desire to learn new technologies.
• Experience managing proof-of-stake blockchain infrastructure (Solana/Ethereum preferred).
• Solid expertise with Linux, Kubernetes, networking, and cloud/bare-metal environments.
• Familiarity with automation tools such as Terraform, Ansible, or Salt.
• Proven experience designing and maintaining complex systems.
• Proficiency in bash scripting plus at least one programming language (Python, Go, or Rust).
• Ability to thrive in a fast-paced, flat team structure, managing competing priorities reliably.

Why join?

Be part of a global, innovative trading firm where technology and research drive success. We offer a collaborative culture, challenging projects, and opportunities to work with bleeding-edge technologies in blockchain and finance.

Ready to push the boundaries of blockchain infrastructure?