Senior Platform Engineer

Learnosity; Sydney; Hybrid; AUD 180,000 - 240,000; Full time

Benefits offered by this job

Annual Leave

Milestone Leave

Paid sick leave

Generous parental leave

Health & dental insurance

Pension contributions

Learning & development support

Employee Assistance Program

Flexible work practices

Commuter benefits

Modern office

Job summary

Learnosity in Sydney, NSW, is seeking a senior infrastructure engineer for a hybrid role. You’ll design, build, and operate a scalable AWS-based platform powering AI-first assessment solutions, collaborating across engineering, product and design.

We require 6+ years in production systems, strong Python, Linux, Docker, and IaC (Terraform/CloudFormation). Experience with SaltStack, AWS services, and monitoring is essential for reliable, secure delivery.

Qualifications

• 6+ years of experience in building and operating large-scale production systems.
• Strong proficiency in Python.
• 2 years development experience in at least one language beyond scripting (prefer PHP or Python).
• Advanced Linux skills: iptables, systemd, logging, application management, diagnosis.
• Experience with Docker and containerised applications.
• Strong experience with Infrastructure as Code (CloudFormation, Troposphere, Terraform).
• Experience with configuration management and automation (SaltStack or similar).
• Experience with AWS services (EC2, ALB/NLB, VPCs, IAM, RDS, ECS, Route53, CloudFront).
• Knowledge of databases (MariaDB & PostgreSQL on Amazon RDS).
• Familiarity with monitoring (Datadog, CloudWatch).
• Attention to detail, strong documentation skills, and willingness to receive feedback.
• Experience leading projects (planning, orchestration, migration, deployment).

Responsibilities

• Build, maintain, and improve a modern, highly available AWS-based infrastructure for AI-powered products.
• Use AI tools to boost productivity and outcomes.
• Provide end-to-end infrastructure provisioning, configuration, and release ecosystem for an AI-first engineering team.
• Collaborate with cross-functional teams to ensure seamless delivery of products.

Skills

Python

Shell scripting

GitHub Actions

Git

Linux administration

Docker

Infrastructure as Code

SaltStack

AWS

Datadog/CloudWatch

Project leadership

Networking

Databases (MariaDB/PostgreSQL)

Monitoring

Tools

Terraform

CloudFormation

Troposphere

SaltStack

Datadog

CloudWatch

Job description

Power the future of learning worldwide with Learnosity

Learnosity is looking for bright minds to help bring AI magic to real-world learning.

We're looking for exceptional engineers, product thinkers, designers, data scientists, researchers, and AI specialists who want to do career-defining work with global impact.

Who we are

Learnosity is the global leader in assessment solutions. We provide experiences that are digital, dynamic, and designed to meet the needs of modern learners to test and prove knowledge. Our technology powers assessment for hundreds of organizations of all sizes and reaches over 40 million learners every year.

And we want you to help drive our next wave of AI-led innovations.

Why Join Us?

Pragmatic Innovation: Help shape how AI and other new technologies are applied where they deliver genuine value.

Build & Scale: Help shape new products while leveraging the platform, customers, and reach of an established global business.

Real Impact: Build systems and products that directly influence how millions of learners are assessed and supported worldwide.

Ownership & Collaboration: Take responsibility for your work while collaborating with experienced, thoughtful teammates across engineering, product, and design.

Growth & Development: Develop your career in an environment that values continuous learning, leadership and long-term growth.

If you're motivated by building meaningful products at scale, and want to improve how people learn worldwide, we'd love to hear from you.

Requirements

Join our global team and play a pivotal role in building and maintaining the infrastructure that powers our innovative AI-first assessment solutions. This is more than just a job; it's an opportunity to contribute to a mission-driven company that's making a real difference in education. This hybrid role combines building and developing solutions to improve the platform plus supporting and maintaining the live system.

What You’ll Do:

• Build, Maintain and improve a modern, highly available, scalable, and secure cloud infrastructure on AWS to support our next generated of AI-powered products.
• Use AI tools to empower your productivity and make you more successful
• Provide an end-to-end infrastructure provisioning, configuration and release ecosystem to support an AI-first Engineering team and the incredible rate of change and release schedule they need to achieve
• Collaborate with cross-functional teams to ensure seamless integration and delivery of our products.

Requirements:

• At least 6+ years of experience developing and working with large-scale production systems.
• Engineering
  • Strong proficiency in Python
  • 2 years development expertise in at least one programming language beyond scripting, ideally PHP or Python.
  • Advanced proficiency in POSIX shell scripting, including skills in using awk, sed, grep, etc.
  • Experienced using GitHub, particularly GitHub Actions and Workflows
  • Strong version control skills using Git.
• Systems
  • Advanced Linux skills including iptables, systemd, logging, application management, diagnosis, sysctl tweaking, etc.
  • Highly experienced with Docker and containerised applications and systems
  • Strong experience with Infrastructure as Code (CloudFormation, Troposphere or Terraform) for provisioning and managing scalable cloud infrastructure across multiple environments.
  • Expertise in configuration management and automation using SaltStack or similar tools, including configuration development, system orchestration, and deployment automation.
  • Experienced with AWS services including EC2, ALB/NLB, VPCs, IAM, RDS, ECS, Route53, and CloudFront.
  • Some experience with large-scale databases and database administration, ideally MariaDB & PostgreSQL on Amazon RDS
  • Familiarity with metrics/monitoring systems, ideally Datadog and CloudWatch.
• Attention to detail and ability to read and contribute to documentation thoroughly.
• Conscientiousness, strong documentation skills, and openness to feedback.
• Experience leading projects, including planning, orchestration, migration, deployment, and delivery.

Nice to Have:

• Strong networking background, including understanding of TCP/IP and routing protocols
• Strong database background, with experience in optimising database performance and resolving performance issues.

Our Values

We are a values-driven company, and how we work matters as much as what we build:

• We live to learn
• We aim higher
• We do the right thing
• Our success is better shared

Benefits

• Annual Leave
• Milestone Leave
• Paid sick leave
• Generous parental leave
• Health & dental insurance
• Pension contributions
• Learning & development support
• Employee Assistance Program
• Flexible work practices
• Commuter benefits
• Modern office

Location & Working Style

Our team is based in Sydney, NSW. We value the balance between flexibility and the energy of in-person collaboration, and encourage regular collaboration in our CBD office.

At Learnosity, we are committed to fostering a diverse, inclusive, and equitable workplace where all employees feel valued and empowered. We believe that diversity of thought, background, and experience drives innovation and enriches our community. As a tech company in the education space, we are dedicated to creating educational solutions that reflect the diverse needs of our global audience.

Find out more about your career at Learnosity at learnosity.com/careers/

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Please only contact us if you are a candidate interested in applying for this role. You must have the right to live and work in Australia to apply.