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L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title – Linux Administrator

Job Location – Bristol, UK

Job ID – 24537

About this opportunity and L3Harris UK

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.

A few of our employee benefits are:

• Hybrid working where possible, three days onsite per week
• 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 program providing mental health and wellbeing support
• Professional membership reimbursement (discretionary)

What the role will involve

The responsibilities of your role will include the following:

• Maintaining the stack of 17 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 hand full 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 licencing 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.
• Working in accordance with departmental policies, processes, procedures using provided templates where appropriate.

What you’ll bring

The role requires the following experience and skills:

• 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

Important to know

Due to the nature of our work many our roles require a UK nationality and the ability to obtain a security clearance. Applicants who accept a conditional offer of employment must meet the requirement of right to work in the UK and must meet eligibility requirements for access to classified information and will be subject to government security checks.

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L3Harris Technologies is proud to be an Equal Opportunity Employer. We are committed to maintaining a workplace that is free from unlawful discrimination and offers equal opportunities for all. Applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief, and marriage and civil partnerships.