Linux Administrator

L3Harris Technologies, Inc.; Bristol; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A leading technology firm in the UK is seeking a skilled Linux Administrator to manage and maintain Linux servers and laptops, implement automation and CI/CD practices, and support DevOps workflows. The role offers a competitive salary, hybrid working conditions, and numerous employee benefits, including private medical insurance and a generous holiday allowance.

Benefits

Competitive salary

Hybrid working model

25 days holiday per year

Private medical insurance

Pension scheme with employer contribution

Life Assurance

Employee assistance programme

Qualifications

• Minimum of 3 years' experience in a Linux Administration role.
• Experience in software development methodologies and processes.
• Development in Linux Environments.

Responsibilities

• Maintaining the stack of Linux servers via OS updates and application configurations.
• Building and managing Linux laptops using Puppet.
• Maintaining Gitlab CI scripts for automated build and testing.

Skills

Linux Administration

Configuration control

Gitlab

Jira

Puppet

Ansible

Tools

Kubernetes

RedHat Enterprise Linux

Job description

Overview

Job Location: Multiple UK locations (Bristol, Portchester, Burgess Hill or Barrow-in-Furness). From 11 UK sites, our team of nearly 1,000 people delivers unique capabilities across space, air, land, sea and cyber for military, security and commercial customers across the UK and worldwide. L3Harris in Bristol is our headquarters for our Maritime UK businesses which provides warship automation systems through control and simulation solutions that are in service on Albion Class Landing Platform Docks and Queen Elizabeth Class Aircraft Carriers. More systems are being developed and delivered for Type 26 and Type 31 frigates. We have additional Maritime UK sites across Burgess Hill, Barrow-In-Furness and Portchester. Together, we are powering the Royal Navy\'s adoption of autonomous surface vehicle technology as well as delivering autonomous capability to UK ports, harbours and offshore energy service providers.

Responsibilities

• Maintaining the stack of Linux servers via OS updates, Puppet configuration, application updates and application configuration. These servers run apps including: Gitlab, RedHat Satellite, RPM build server, 2x RPM Mirror, Mirrorlist, Artifactory, Nexbox, Reviewboard, Zabbix, File share server, 4 x Gitlab Runner and a handful of test servers.
• Building, managing, maintaining Linux laptops using Puppet to configure packages and updates remotely.
• Managing the Puppet (Infrastructure as Code) environment.
• Maintaining Gitlab CI scripts that run across multiple repos — automated build, test, container creation and container management.
• Focusing on automating and improving workflows around the business & advocating for a DevOps culture throughout.
• Writing scripts to improve build, automated test and deployment system(s).
• Working with Kubernetes (k8s) and containers.
• Production of required technical documentation.
• The licensing of Gitlab and RedHat Enterprise Linux.
• Ensuring compliance with corporate security policies and external examinations such as Cyber Essentials.
• Hosting the ITDO Jira board.
• Providing technical support to Business Development activities including solution development, risk identification and task estimation.

Qualifications

• Minimum of 3 years' experience in a Linux Administration role.
• Experience of working to software development methodologies and processes.
• Experience in configuration control and change processing using Gitlab and Jira.
• Development in Linux Environments.
• Appreciation of software programming/languages – advantageous.
• Experience with Puppet / Ansible – advantageous.

Benefits & Working Arrangements

• Competitive salary.
• Hybrid working where possible — 60% of your time onsite, measured over a one-month period.
• Half day finish on a Friday.
• 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days.
• Private medical insurance with optional family cover.
• Pension scheme of up to 7% employer contribution.
• Life Assurance 4x salary (flexible up to 10x).
• Group income protection.
• Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover and cycle to work scheme.
• Employee assistance programme providing mental health and wellbeing support.
• Professional membership reimbursement (discretionary).