Systems Administrator (Citrix)

  • Singapore
  • Full-time

Company Description

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.

Job Description

Visa Inc. needs Systems Administrator to be responsible for providing systems and application support across, in particular the Visa Corporate systems environment. This position requires applying root cause operation break fixes and other proactive maintenance activities to keep the services up and running. This is a professional level position and requires strong execution and analytical abilities.

The successful candidate will be a member of the End User Operations team who is in charge in maintaining and ensuring that the Corporate Productivity Applications are running at the optimum level. The team is also in charge in administering the Windows and Linux server OS and its relevant components, Hardware and Virtual based platform where most of the corporate applications are running.

Essential Functions:

Provide Systems Administration to core Corporate IT Windows Server Platforms and Application like Citrix XenApp and XenDesktop for App and Desktop Virtualization. Active Directory Technologies, Microsoft Exchange 2016/2019 (on Premise) and O365 (Cloud).
Perform system/server security remediation and ensure that the system and application are on up to date patch levels and conform to the security standard.
Support the development and incorporation of best practices and approaches into the company´s processes and methodologies.
Participate in determination of root cause/solution analysis for service failure and support escalation.
Operate in complex, highly secure, and highly available, operations environments and interact with the technology domain experts required to maintain those environments.
Demonstrate a commitment to customer service, pro-active review of processes and procedures to continually enhance service quality, service delivery and support.
Willing to work closely with areas across Visa including, Operations, Engineering, Service Product office, and Global Open System Development Lines.
The candidate will be heavily involved in ensuring team meets all SLA's and team objectives.
Execute decisive action to preserve and maintain service availability, performance, integrity, capacity and security.
Monitor incident queues, troubleshoot issues and lead conference calls with other groups to mitigate impacts.
Work with Engineering teams (Windows, UNIX/Linux, Network, Storage and Middleware) to translate application requirements into system requirements.
Maintain, enhance and support, through problem analysis and resolution for the supported applications
Application performance and data optimization (including network optimization).
Will be expected to work weekends and/or on-call rotation.
Able to multi task and make decisions based on technical knowledge.
Motivated personality who is able to proactively identify additional ways to add value and contribute to a technical team.
Lead and collaborate with small to medium sized teams working in an onsite/offshore mode
Ensure team meets all SLA's and team objectives.


Basic Qualifications:

  • 2 years of work experience with a Bachelor’s Degree or an Advanced Degree (e.g. Masters, MBA, JD, MD, or PhD)

Preferred Qualifications:

  • 3 or more years of work experience or more than 2 years of work experience with an Advanced Degree (e.g. Masters, MBA, JD, MD)
  • Experience with Windows server 2019 (Core)/2016.
  • Experience supporting virtual environments using VMWare 7.x and Microsoft Hyper-V, Citrix XenApp and XenDesktop for App and Desktop Virtualization, Active Directory Technologies, Microsoft Exchange 2013/2016 (on Premise) and O365 (Cloud).
  • Must have strong commitment to execution, follow through and timely communication.
  • Good problem solving skills with focus on troubleshooting issues in complex production environments.
  • Willing to learn new technologies and software, thinking out of the box, questioning the norm and innovative.
  • A good team player with excellent written/verbal communication and collaboration skills, with experience working in a global environment
  • Experience supporting Physical servers (HP/DELL)
  • Experience with Service Now, MS Azure, and O365, system health and performance monitoring tools as well as content replication tool Global SFTP, Repliweb

Additional Information

Work Hours This position requires the incumbent to be available during core business hours.

Travel Requirements This position requires the incumbent to travel for work less than 10% of the time.

Mental/Physical Requirements This position will be performed in an office setting.  The position will require the incumbent to sit and stand at a desk, communicate in person and by telephone, frequently operate standard office equipment, such as telephones and computers, reach with hands and arms, and bend or lift up to 25 pounds.

Visa will consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.

Privacy Policy