Python Infrastructure Engineer - On-Prem Automation

Miller Maxwell Ltd; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Competitive salary

Private medical insurance

Pension

25 days leave

Gym & wellness

4 days a week in-office

Job summary

Miller Maxwell Ltd. is seeking a Python Software Engineer to help build and evolve an in-house provisioning platform for Linux servers and related infrastructure tooling.

The role focuses on infrastructure automation, network configuration, and secure secrets management. You’ll contribute to modernising build, test and release pipelines in a high‑performance, on‑premise trading environment and work with a deep, technically driven team.

Qualifications

• 5+ years of commercial Python software development.
• Solid Linux experience, ideally in production environments.
• Good networking knowledge (TCP/IP, routing, firewalls, DNS).
• Experience building automation or infrastructure tooling.
• Exposure to physical servers or on-premise environments is a strong plus.

Responsibilities

• Design and develop an in-house Python provisioning platform for Linux servers.
• Build tools and services that automate server, network and firewall configuration.
• Develop network automation, with config managed in version control.
• Integrate Vault-compatible secrets management into internal tooling.
• Improve build, test and release pipelines.
• Build monitoring and alerting tooling for infrastructure health.
• Extend automation to Windows builds and the cloud footprint.
• Contribute to code reviews, design decisions and engineering standards.

Skills

Python

Linux

Networking

Automation tooling

Code reviews

Education

STEM degree

Tools

Vault

Job description

Miller Maxwell Ltd. is seeking a Python Software Engineer to help build and evolve an in-house provisioning platform for Linux servers and related infrastructure tooling.

The role focuses on infrastructure automation, network configuration, and secure secrets management. You’ll contribute to modernising build, test and release pipelines in a high‑performance, on‑premise trading environment and work with a deep, technically driven team.