Senior Linux Administrator

Endava is a public technology company, with over 18 years of experience of working with some of the world’s leading Finance, Insurance, Telecommunications, Media, Technology, and Retail companies. Through the Digital Evolution, Agile Transformation and Automation solutions, Endava helps its clients be more engaging, responsive and efficient by supporting them from ideation to production.

Endava has 5,182 employees located in offices in North America and Western Europe and delivery centres in Romania, Moldova, Bulgaria, Serbia, Macedonia, Argentina, Uruguay, Venezuela, and Colombia.

Along with investing in long-term customer relationships, Endava recognised the importance of providing rewarding and challenging careers for people and, by doing so, has established itself as the employer of choice in certain regions.

Essential

4 Years; RedHat Enterprise Linux / Oracle Enterprise Linux versions 5 and 6 including supporting services such as Bind, Exim and MX.
4 Years; Must have scripting and packaging skills, and familiarity with automation and management tools such as Puppet and Ansible.
Puppet; Experienced in creating/writing new modules and troubleshoot of existing. Strong experience with Puppet & Ansible for estate management.
Experience of working with Linux in an integrated, virtualised, mixed OS environment.
Experience of working with a Test/Development, PPE and Production administration life cycle.
Extensive experience of administering Linux in a secure environment in a financial institution with regulatory constraints, such as PCI DSS Compliance.
Familiarity with ITIL service delivery frameworks.

Desirable

Understanding of capacity, disaster recovery and business continuity planning.
Understanding of virtualised environments such as VMWARE or HyperV.
Understanding of Hadoop / big data technologies/platforms.
Understanding of Ansible
Working in a ‘DevOps’ environment


Skills and Abilities

Good organisation and communication (both written and oral) skills.
Strong analytical skills coupled with methodical approach to fault resolution.
Ability to develop relationships with other Worldpay Technical and business groups.

Key Responsibilities:


Support and administration of Production, Pre Production (PPE) and Test/Development environments.
Proactive management of the Worldpay Linux estate and recommendation of measures to improve service delivery to the Worldpay customer base.
Ensure that Linux systems are kept as current as possible within business constraints.
Evaluate system performance and produce reports to recommend and implement platforms improvements as appropriate.
Produce and maintain relevant technical and operational documentation.
Provide effective cover for other members of the data Linux as required during absence.
Rapid response to and resolution of Worldpay Linux incidents.
Execution of authorised and controlled change for Worldpay Linux changes.
Management and implementation of upgrades to services.
Fault diagnosis and resolution.
Escalation of critical issues in accordance with relevant process and procedures.
Deliver services to agreed Service Level and Operating Level Agreements.
Work with the Worldpay Enterprise Architecture team to help evaluate and recommend products to improve the availability of services.
Participate in discretionary projects/engineering tasks as agreed.
Development and automation of services processes and procedures.
Manage installations and software upgrades to ensure all services are kept as current as possible and that license audit is performed and all licenses are in place.
Manage the configuration and operation of Worldpay Linux services.
Ensure that Worldpay Information Security policies and guidelines are adhered to for all platform services.
Interface and maintain relations with other Worldpay IT teams.
Deliver reporting on Linux performance metrics.