System administrator - REF19406O
As the world's leader in digital payments technology, Visa's mission is to connect the world through the most creative, reliable and secure payment network - enabling individuals, businesses, and economies to thrive. Our advanced global processing network, VisaNet, provides secure and reliable payments around the world, and is capable of handling more than 65,000 transaction messages a second. The company's dedication to innovation drives the rapid growth of connected commerce on any device, and fuels the dream of a cashless future for everyone, everywhere. As the world moves from analog to digital, Visa is applying our brand, products, people, network and scale to reshape the future of commerce.
At Visa, your individuality fits right in. Working here gives you an opportunity to impact the world, invest in your career growth, and be part of an inclusive and diverse workplace. We are a global team of disruptors, trailblazers, innovators and risk-takers who are helping drive economic growth in even the most remote parts of the world, creatively moving the industry forward, and doing meaningful work that brings financial literacy and digital commerce to millions of unbanked and underserved consumers.
You're an Individual. We're the team for you. Together, let's transform the way the world pays.
System Administrator is of an individual contributor responsible for applying skills and knowledge to perform specified support functions. As part of the team - will be responsible for supporting critical applications and ensure the stability of the applications by performing proactive maintenance activities, engage in automation activities, do root cause analysis and remediation. Knowledge of production support processes such as incident/change/problem management, call triaging, and escalation procedures.
Essential Job Functions and Responsibilities:
Installation, configuration, maintenance, and troubleshooting of Windows 2012 /2016 /2019 servers including Core versions and related SOE software's
Administration of virtual environment in VMWare and Hyper-V environment
Security Remediation process (vulnerability assessment and patch management)
Administration of Microsoft System Center Configuration Manager (SCCM) for software updates & patches deployment
Identify automation/innovation opportunities in BAU environment and create tools/scripts to automate and schedule routine administration tasks
Will need some basic understanding of SAN and NAS storage environment
Basic to advanced support of converged environment comprising Unified Computing Environment (Cisco UCS) & Shared infrastructures (HP C7000 chassis enclosures)
Manage and support at least 2 of the following third party monitoring and automation tools: Netcool, Splunk, BMC Patrol, Blade Logic
Knowledge in HP Oneview, Dell OME
BAU operational support of Wintel infrastructure with sound knowledge of ITIL v3 processes such as Incident, Change, Problem and Release Management
Bachelor's degree in engineering, computer science or a related field is required. Post graduate degree a plus
Min 3-6 years' experience in windows system administration
Demonstrated experience in managing Enterprise Infrastructure systems including Microsoft technologies such as Active Directory, Clustering, SCCM, SCOM
Experience in administering medium to large scale virtualized environment utilizing VMware and Hyper-V
Strong understanding of networking concepts like TCP/IP, DNS and DHCP
- Advanced knowledge in MS tools such as SCOM and SCORCH
Familiarity with SAN and NAS storage in Windows Server environment
Exposure in Unified Computing Environment (Cisco UCS) & Shared infrastructures (HP C7000 chassis enclosures ,Dell)
Hardware monitoring tools such as HP Oneview, Dell OME
Basic understanding of ITIL v3 processes such as Incident, Change, Problem and Release Management
Excellent communication skills with ability to interact with management & technical subject matter experts
Strong knowledge and experience in Scripting (PowerShell, VBscript, Batch, etc...)
Good understanding /working knowledge in Cloud technologies.
Operating Systems Administrations Skill: Windows 2012 /2016 /2019
Virtualization Administration: VMware ESX, Hyper - V
Server system: HP, DELL, UCS
Strong expertise of automation technologies including scripting, PowerShell, Power CLI ,VBScript
Monitoring, Tuning, Troubleshooting, and root cause analysis
Maintains expertise across multiple infrastructure domains
Strong organization and analysis skills
Strong focus on quality and customer service
Must be able to multitask and prioritize work
Strong analytical and practical problem solving skills