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Unix System Administrator

2 months ago

UK, UK, United Kingdom Vallum Associates Full time

In this role, you will: (Principal Responsibilities)

  • Work as a Senior Unix Systems’ Administrator in a Global team (across North America, Europe and Asia/Africa) – contributing to the technical delivery of projects and changes by providing Technical / Application guidance to project teams.
  • Be a subject matter expert for the Operating System and, guide functional delivery teams, across Global Payments Solution IT (GPS IT), for process/system improvements.
  • Deliver projects, services, kit to live on time with a minimum of issues.
  • Do changes in the GPS Unix environment on both weekdays and weekends, the latter via a rota.
  • Provide overall Unix platforms’ support to these projects.
  • Satisfy changes during a working week.
  • Satisfy changes on live production over a weekend.
  • Provide 2nd and 3rd line support from time to time for break-fix issues.
  • Have a senior level of technical expertise in development engineering and scripting (ksh/bash) to produce automated, efficient and/or self-service solutions for technical teams or end-user stakeholders to consume.
  • Communicate solutions, errors, status reports and liaise at all levels of the Business.
  • Work as a fully engaged and contributing engineer, within a team
  • Assist with any break-fix issues in the environment where appropriate
  • On occasion may be asked to work longer hours in order to complete a piece of work.
  • Be able to prioritise their work between running daily changes, weekend preparation and ongoing projects
  • Come up with ideas to make the environment more efficient whether procedural or technical.
  • The successful candidate would also be expected to –
  • Identify and work on initiatives for process efficiency and service improvement projects to achieve efficiencies (Process. FTE, sustainable saves).
  • Drive process improvements and cost efficiency initiatives
  • Attempt to avoid external training by doing self-study or internal knowledge sharing for UNIX
  • Ensure review within a team for all critical/complex deliverables
  • Interact with application teams and other infrastructure teams
  • Suggest process enhancements
  • Have experience of working in an enterprise environment and be ITIL aware.
  • Ensure strict adherence to all regulatory issues and compliance of all internal controls
  • Ensure strict adherence Client Group Compliance Policies


To be successful in this role, you should meet the following requirements: (Mandatory Requirements)

  • Fluent in English
  • 5 years plus of experience in UNIX infrastructure.
  • Expert level knowledge of UNIX (AIX/Solaris/Linux)
  • Expert level knowledge of Veritas Volume Manager, Veritas Cluster Server (SFHA) and Veritas NetBackup Client
  • Strong knowledge of host-based SAN migrations
  • Very good understanding of SAN configuration EMC/Hitachi LUNs on UNIX (AIX/Solaris/Linux) servers
  • Ability to develop simple/complex shell scripts (e.g. Bash, Korn) as per requirements.
  • Ability to support DR / Role swap exercises
  • Effective in dealing with Crises calls/Critical issues for business critical services
  • Proven experience in technically guiding teams in productivity / results driven environment.
  • Proven experience in managing and building relationship with business partners and customer service and stakeholders up and down the chain.
  • Worked in at least two of the areas of IT Infrastructure support i.e. Production Support, Application Support & infrastructure Support.
  • Should understand & have proven record of how technology adds value to the business and ultimately the end customer.
  • Should possess industry standard certifications for UNIX/Cluster Technologies.
  • Should be well versed with ITIL concepts and more specific understanding of Service operations activities.
  • Strong technical knowledge in respective technology.
  • Excellent troubleshooting and analytical skills
  • Communication and interpersonal skills.
  • Working across cultures.
  • Open mind set and adapt to the change, positive attitude and logical thinking.
  • Able to work independently, under pressure and proactively in a fast paced environment with multiple deadlines.
  • Team player; multi-tasking; good testing skills; organized self-starter.
  • Identify areas where efficiency can be gained
  • Suggest & implement best-in-call industry practices in the projects, as applicable.
  • Implement Shared delivery in terms of understanding & training the teams on project specific technical aspects
  • Support technology Managers in identifying emerging technology trends, constantly question, clarify from teams and ensure that critical technology issues are surfaced and considered
  • Understanding of functional requirements and translation of business requirements into technical specifications
  • Participate in crisis calls as applicable
  • Proactively identify problem situations and resolve to give maximum customer satisfaction
  • Demonstrate analytical and problem management skills


Good to have Requirements:

  • Experience in the Finance and Banking industry would be an advantage.
  • Full stack engineering skills e.g. Kubernetes, Docker, Groovy, Jenkins, Mulesoft and Kong API,
  • Google and Amazon Cloud Services
  • Python, Perl, Groovy, C.
  • Use of JIRA would be welcomed.
  • Automation skills with a mindset to explore and exploit the technologies we could and should use safely and efficiently within the Bank.