System Administrator / DevOps Engineer

A forward thinking insurance business is expanding its infrastructure team and looking for a System Administrator with DevOps experience. This role is ideal for someone who enjoys Linux based systems engineering, wants room to grow, and thrives in a collaborative environment rather than a heavy senior cloud position.

You will manage system infrastructure, databases, server configuration, security updates and the stability of a modern web application stack running in AWS. The environment includes Debian and Ubuntu Linux, NginX, PHP, NodeJS, Postgres and MySQL, with day to day support for internal project teams.

Your work will involve provisioning AWS resources, managing configuration updates, supporting automation, contributing to CI or CD processes and working with infrastructure as code through tools such as CloudFormation or Ansible. You will also assist with documentation, internal support and ensuring continuous availability of critical services.

Your Responsibilities

Support installation, configuration and maintenance of servers, networks and systems

Apply security patches and software updates while troubleshooting project issues

Provide first line IT support and escalate where appropriate

Run helpdesk support and minimise disruption to systems or applications

Investigate network intrusions and security issues

Support the design and improvement of secure infrastructure

Assist with hardening procedures for servers, workstations and mobile devices

Three years AWS experience across IAM, VPC, EC2, RDS, S3, SQS, Elasticache, OpenSearch and Lambda

Three years Linux administration experience, ideally on Ubuntu or Debian

Strong understanding of NginX, load balancing and web traffic management

Experience with Postgres and MySQL

Familiarity with monitoring tools such as New Relic, CloudWatch or PagerDuty

Knowledge of PHP or NodeJS desirable but not essential

Who You Are

You enjoy working in a small team and value clear communication. You are calm under pressure, detail oriented, accountable and take pride in strong documentation. You solve problems proactively, collaborate well and appreciate environments where continuous improvement is encouraged.

A supportive, friendly and creative culture. Full flexibility across remote, hybrid or in office working. Career growth and progression. Annual salary reviews. A strong pension scheme. Regular social events. A central Hertfordshire office available for those who prefer on site work.