Senior Blockchain Network Engineer: Scalable, Secure Nodes

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

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).