Senior Unix Systems Administrator

7 days ago

Sheffield, Sheffield, United Kingdom Vallum Associates Full time
About the Role

Vallum Associates is seeking a highly skilled and experienced Senior Unix Systems Administrator to join our team. As a key member of our IT infrastructure team, you will be responsible for the technical delivery of projects and changes, providing technical guidance to project teams, and ensuring the smooth operation of our Unix systems.

Key Responsibilities
  • Technical Delivery: Work as a Senior Unix Systems Administrator in a Global team, contributing to the technical delivery of projects and changes by providing technical guidance to project teams.
  • Subject Matter Expert: 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.
  • Project Management: Deliver projects, services, and kits to live on time with a minimum of issues.
  • System Administration: Do changes in the GPS Unix environment on both weekdays and weekends, the latter via a rota.
  • Support and Maintenance: Provide overall Unix platforms' support to these projects.
  • Change Management: Satisfy changes during a working week and on live production over a weekend.
  • Second and Third Line Support: Provide 2nd and 3rd line support from time to time for break-fix issues.
  • Technical Expertise: 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.
  • Communication and Liaison: Communicate solutions, errors, status reports, and liaise at all levels of the Business.
  • Teamwork: Work as a fully engaged and contributing engineer within a team.
  • Break-Fix Support: Assist with any break-fix issues in the environment where appropriate.
  • Flexibility: On occasion, may be asked to work longer hours to complete a piece of work.
  • Work Prioritization: Be able to prioritize work between running daily changes, weekend preparation, and ongoing projects.
  • Process Improvement: Come up with ideas to make the environment more efficient, whether procedural or technical.
Requirements
  • Experience: 5 years plus of experience in UNIX infrastructure.
  • Expertise: Expert level knowledge of UNIX (AIX/Solaris/Linux).
  • Technical Skills: Expert level knowledge of Veritas Volume Manager, Veritas Cluster Server (SFHA), and Veritas NetBackup Client.
  • Host-Based SAN Migrations: Strong knowledge of host-based SAN migrations.
  • SAN Configuration: Very good understanding of SAN configuration EMC/Hitachi LUNs on UNIX (AIX/Solaris/Linux) servers.
  • Scripting: Ability to develop simple/complex shell scripts (e.g. Bash, Korn) as per requirements.
  • Disaster Recovery: Ability to support DR / Role swap exercises.
  • Crisis Management: Effective in dealing with Crisis calls/Critical issues for business-critical services.
  • Team Guidance: Proven experience in technically guiding teams in a productivity/results-driven environment.
  • Relationship Building: Proven experience in managing and building relationships with business partners and customer service and stakeholders up and down the chain.
  • IT Infrastructure Support: Worked in at least two of the areas of IT Infrastructure support i.e. Production Support, Application Support & Infrastructure Support.
  • Industry Knowledge: Should understand and have a proven record of how technology adds value to the business and ultimately the end customer.
  • Certifications: Should possess industry standard certifications for UNIX/Cluster Technologies.
  • ITIL Knowledge: Should be well-versed with ITIL concepts and more specific understanding of Service operations activities.
  • Communication and Interpersonal Skills: Excellent troubleshooting and analytical skills, communication and interpersonal skills, working across cultures, open mindset, and adapt to change, positive attitude, and logical thinking.
  • Team Player: 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.
  • Problem-Solving: Identify areas where efficiency can be gained, suggest and implement best-in-class industry practices in the projects, as applicable, implement shared delivery in terms of understanding and 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.
  • Functional Requirements: Understanding of functional requirements and translation of business requirements into technical specifications.
  • Crisis Calls: Participate in crisis calls as applicable.
  • Problem Resolution: Proactively identify problem situations and resolve to give maximum customer satisfaction.
  • Analytical and Problem Management Skills: Demonstrate analytical and problem management skills.
Desirable Requirements
  • Industry Experience: Experience in the Finance and Banking industry would be an advantage.
  • Full Stack Engineering Skills: Full stack engineering skills e.g. Kubernetes, Docker, Groovy, Jenkins, Mulesoft, and Kong API.
  • Cloud Services: Google and Amazon Cloud Services.
  • JIRA: Use of JIRA would be welcomed.
  • Automation Skills: Automation skills with a mindset to explore and exploit the technologies we could and should use safely and efficiently within the Bank.

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