Critical Systems Support Engineer – Linux, Python & Infra

iO Associates; Greater London; On-site; GBP 111,000 - 120,000; Part time

Job summary

iO Associates is seeking an experienced Application & Infrastructure Engineer to join a specialist team supporting highly sensitive, business-critical systems within a national operational environment. The role spans application support, infrastructure, development and incident management with broad technical exposure and continuous learning.

The position is onsite in Stratford with DV clearance, offering a varied mix of development, maintenance and operational support across evolving

Qualifications

• Strong experience with Red Hat-based Linux / CLI
• Software development experience, ideally with Python
• Strong SQL and relational database knowledge
• Good understanding of software development principles
• Experience supporting applications and infrastructure within complex environments
• Bash
• PowerShell
• NodeJS / TypeScript / React
• Golang
• Elastic

Responsibilities

• Build, enhance and support critical bespoke applications, contributing to application design, development and ongoing maintenance.
• Manage Linux and Windows infrastructure, including databases, virtualised environments and system health monitoring.
• Investigate and resolve application and infrastructure issues, ensuring system stability, performance and availability.

Skills

Python

Linux CLI

Software development

SQL

Software development principles

Complex environments

Tools

Bash

PowerShell

NodeJS

TypeScript

React

Golang

Elastic

Job description

iO Associates is seeking an experienced Application & Infrastructure Engineer to join a specialist team supporting highly sensitive, business-critical systems within a national operational environment. The role spans application support, infrastructure, development and incident management with broad technical exposure and continuous learning.

The position is onsite in Stratford with DV clearance, offering a varied mix of development, maintenance and operational support across evolving