Linux System Administrator

VALR; Johannesburg; Remote; ZAR 300,000 - 400,000; Full time

Job summary

A leading crypto exchange is seeking an experienced Linux System Administrator to configure and maintain its infrastructure, support blockchain systems, and automate administration tasks. The ideal candidate will have over 5 years of experience in Linux administration, strong scripting skills, and a commitment to security best practices. Join us for competitive compensation and a dynamic work culture.

Benefits

Annual professional development allowance

Flexible work options

Discretionary bonuses

Wellness initiatives

Mac laptop and allowance for home office essentials

Qualifications

• Minimum of 5 years of experience in Linux system administration.
• Expertise in scripting and automation using Bash, Python, or Ansible.
• Experience with containerisation tools such as Docker.

Responsibilities

• Configure, maintain, and troubleshoot Linux servers.
• Administer and maintain Linux-based infrastructure supporting blockchain systems.
• Automate repetitive system administration tasks.

Skills

Linux system administration

Scripting (Bash, Python, Ansible)

Containerization (Docker)

System security

Performance tuning

Networking fundamentals

Problem solving

Job description

Overview

VALR is Africa's largest crypto exchange by trade volume, founded in 2018 and headquartered in Johannesburg, South Africa. Serving over 1 million users globally, including 1,100 corporate and institutional clients, we’re licensed by the Financial Sector Conduct Authority (FSCA) in South Africa, with additional approvals to offer services in Europe and initial approval from Dubai's VARA. VALR distinguishes itself with a customer-first philosophy, delivering secure, transparent, and innovative solutions for both professional and retail traders.

Our Vision

Our vision is to create a world where finance unites rather than divides. Our name, derived from the word "valour" without distinction between American and British English, symbolises our commitment to universal values of courage, ethical integrity, and the intrinsic worth of every human being. These values drive us to design a platform that breaks down financial barriers, making it as seamless to send value across borders as it is to send an email.

Our Mission

At our core, we’re a values-driven exchange, dedicated to building a financial ecosystem that serves all of humanity. We believe in simplifying the complex world of crypto and blockchain to make it accessible to everyone, bridging the gap between traditional finance and the blockchain-powered future.

We’re Dedicated To

• Serving all Humanity: Inspired by the adage "it is expensive to be poor," we’re committed to creating a financial ecosystem accessible to all, challenging the status quo and reducing the frictions of outdated systems.
• Promoting for Unity: Our platform reflects our belief in a socio-financial evolution. We envision a future where the global community is not defined by national boundaries but united by a shared vision of justice and prosperity.

Job Requirements

• Minimum of 5 years of experience in Linux system administration.
• Expertise in scripting and automation using Bash, Python, or Ansible.
• Experience with containerisation tools such as Docker.
• Deep knowledge of system security, performance tuning, and networking fundamentals.
• Proficient with system monitoring and logging tools.
• Strong problem-solving and troubleshooting skills in mission-critical production environments.
• Ability to work independently while engaging cross-functional teams effectively.

Job Responsibilities

• Configure, maintain, and troubleshoot Linux servers to ensure optimal performance and security.
• Administer and maintain Linux-based infrastructure supporting blockchain systems.
• Automate repetitive system administration tasks to enhance efficiency and reduce manual error.
• Monitor infrastructure health and resolve system issues to ensure high availability and reliability.
• Enforce system security through best practices in hardening, patch management, and access control.
• Configure and maintain network components to optimise connectivity and performance.
• Collaborate with developers to align infrastructure with business needs.
• Manage user accounts, group policies, and system-level permissions securely and efficiently.
• Document system configurations, procedures, and operational guidelines.

Job Benefits

• Innovative Work Environment
  • Engage with the latest blockchain technologies and tools in a rapidly evolving industry.
  • Work from anywhere with secure, stable internet connectivity, allowing you to create your ideal workspace.
• Career Development
  • Annual professional development allowance alongside scheduled company training sessions to keep you at the forefront of the crypto industry.
• Competitive Compensation
  • Competitive salaries that align with industry standards.
  • Discretionary bonuses recognizing individual contribution to VALR’s growth.
• Diversity and Inclusion
  • A commitment to fostering a diverse workforce with initiatives that promote equity and belonging.
• Wellness
  • Encouragement of coherent and wholesome lives, fulfilling work, personal, social, physical and spiritual goals; statutory leave per country with flexible leave options.
• Impact and Contribution
  • Promotes universal values and education about cryptocurrencies, ensuring access to information for participation in the evolving financial landscape.
• Dynamic Team Culture
  • Open communication and teamwork across departments, fostering innovation and creativity; social gatherings outside of work to strengthen team bonds.
• Global Exposure
  • Work with colleagues from around the world; exposure to diverse perspectives in the crypto space.
• Recognition and Rewards
  • Regular acknowledgement of employee accomplishments and retreats for professional development and team bonding.
• Tools for Success
  • Mac laptop and a discretionary allowance to purchase home office essentials — yours to keep after three years (terms apply).