Datafin was established in 1999 due to the need for a specialized IT recruitment solution. We offer a personalized and flexible recruitment service, specializing in providing both client and candidate with the perfect fit. We pride ourselves on the fact that we have established relationships with industry leaders and a vast majority of our business is repeat...
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Senior Linux Infrastructure & Network Engineer (On Site – Pretoria) (Production Systems & Platform Ownership)
A specialist medical technology company with its own on-prem infrastructure is seeking a very senior, hands-on Linux Infrastructure & Network Engineer to take full ownership of its production environment.
This is not a corporate DevOps role and not a ticket driven operations position.
This is a founder led, non-corporate business that values practical engineering ability, autonomy and accountability. The environment is Linux first, open source focused, and not Microsoft heavy.
You will report directly to the owner and take responsibility for the stability, security and performance of mission critical medical web systems hosted within the company’s own infrastructure.
This role requires someone comfortable making decisions, building systems properly and taking end to end responsibility.
ROLE OVERVIEW
You will design, secure and maintain the company’s Linux based infrastructure and Docker powered application platform. The role blends Linux systems engineering, networking, security and automation.
You will work closely with developers and manage client infrastructure environments while ensuring uptime, resilience and performance across the platform.
DUTIES
Design, build and maintain Linux server infrastructure
Own and manage Docker based application environments
Automate configuration and deployments using Ansible and Bash
Administer and optimise PostgreSQL databases
Implement and maintain infrastructure security controls
Manage HAProxy load balancing and high availability configurations
Configure and maintain Mikrotik networking equipment
Support internal and client on prem infrastructure environments
Maintain connectivity to JINX and NAPAfrica
Collaborate closely with developers on infrastructure design and platform stability
REQUIREMENTS
Minimum 5 years’ experience in a senior Linux Infrastructure or Network Engineering role
Strong Linux and Unix background, Ubuntu essential
Strong Bash scripting capability
Hands on Ansible and Docker experience
Working knowledge of PostgreSQL
Strong understanding of Linux security principles
Solid on prem networking experience
Comfortable working fully in office in Pretoria
Strong English communication skills, Afrikaans advantageous
Advantageous
Experience with ZFS
Experience with HAProxy
Experience with Mikrotik
Exposure to Asterisk
Experience in NAC heavy environments
Experience in high availability or regulated environments
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