Blockchain Network Engineer

Placements24; Klerksdorp; On-site; ZAR 900,000 - 1,200,000; Full time

Benefits offered by this job

Health insurance

Retirement plans

Professional development opportunities

Job summary

Placements24 in Klerksdorp is seeking a skilled Blockchain Network Engineer to join the on-site operations team. You will deploy, monitor, and optimize blockchain nodes, ensuring high availability and secure, efficient transaction processing across distributed ledger infrastructure.

The role requires a solid background in network engineering, Linux administration, and scripting (Bash/Python/Go), with hands-on cloud and container experience (AWS/Azure/GCP, Docker, Kubernetes).

Qualifications

• Bachelor’s degree in Computer Science, Network Engineering, or related field, or equivalent extensive experience.
• 5+ years in network engineering, systems administration, or DevOps with distributed systems focus.
• Proven experience managing nodes for major blockchains (Bitcoin, Ethereum, Polkadot) is highly valued.
• Strong understanding of TCP/IP, DNS, HTTP, load balancing, and firewalls.
• Proficiency in Linux/Unix and scripting (Bash, Python, or Go).
• Experience with cloud platforms (AWS/Azure/GCP) and containers (Docker, Kubernetes).
• Knowledge of cryptography and blockchain security principles.
• Excellent troubleshooting, communication, and collaboration skills.

Responsibilities

• Deploy, configure, and maintain blockchain nodes and network infrastructure.
• Monitor performance, identify bottlenecks, and optimize throughput and latency.
• Maintain security and integrity with robust access controls and protocols.
• Troubleshoot network issues to minimize downtime.
• Manage infrastructure for consensus mechanisms and transaction validation.
• Automate deployment and management tasks with scripting and config tools.
• Collaborate with development teams for performance and feature integration.
• Document network architecture, configurations, and procedures.
• Stay current with blockchain tech, networking, and admin best practices.

Skills

Blockchain networking

Distributed systems

Linux administration

Scripting (Bash, Python, Go)

Cloud infrastructure

Docker

Kubernetes

Security principles

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

Kubernetes

Terraform

Ansible

Job description

About the Role

Our client, a leading infrastructure provider in the blockchain and crypto space, is looking for a skilled Blockchain Network Engineer to join their dedicated operations team. This role is vital for ensuring the stability, security, and performance of our distributed ledger network infrastructure. You will be responsible for deploying, managing, and optimizing blockchain nodes, ensuring high availability and efficient transaction processing. The ideal candidate possesses a strong background in network engineering, system administration, and a deep understanding of blockchain protocols. This is an exciting opportunity to work with state-of-the-art technology and contribute to the core infrastructure that powers decentralized applications. The position is based in Klerksdorp , requiring on-site presence to manage and maintain critical network components. You will be a key player in maintaining the backbone of our blockchain operations.

Key Responsibilities

• Deploy, configure, and maintain blockchain nodes and associated network infrastructure.
• Monitor network performance, identify bottlenecks, and implement solutions to optimize throughput and latency.
• Ensure the security and integrity of the blockchain network through robust access controls and security protocols.
• Troubleshoot and resolve network-related issues promptly to minimize downtime.
• Implement and manage infrastructure for consensus mechanisms and transaction validation.
• Automate network deployment and management tasks using scripting and configuration management tools.
• Collaborate with development teams to ensure seamless integration and performance of new features and protocols.
• Maintain comprehensive documentation of network architecture, configurations, and procedures.
• Stay current with advancements in blockchain technology, networking, and system administration best practices.

Requirements

• Bachelor's degree in Computer Science, Network Engineering, or a related field, or equivalent extensive experience.
• 5+ years of experience in network engineering, systems administration, or DevOps roles, with a significant focus on distributed systems.
• Proven experience managing and maintaining nodes for major blockchain networks (e.g., Bitcoin, Ethereum, Polkadot).
• Strong understanding of networking protocols (TCP/IP, DNS, HTTP), load balancing, and firewalls.
• Proficiency in Linux/Unix environments and scripting languages such as Bash, Python, or Go.
• Familiarity with cloud infrastructure (AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes).
• Knowledge of cryptography and blockchain security principles.
• Excellent troubleshooting and problem-solving skills.
• Strong communication and collaboration abilities.

Benefits

Our client offers a highly competitive salary, performance-based bonuses, and a comprehensive benefits package including health insurance and retirement plans. Opportunities for professional development, attending industry events, and career advancement within a rapidly growing sector are provided. Join our team in Klerksdorp and play a crucial role in maintaining and scaling secure blockchain networks.