Systems Administrator

  • 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

•Expert in deploying, managing and maintaining large enterprise virtualization technologies including Cloud, KVM, Docker containers, OpenStack (HOS), and Hyper-V

•Proficient in managing enterprise class converged hardware including Cisco UCS, HP and Hitachi HDS.

•Proficient in troubleshooting storage related issues as it relates to Hitachi HDS storage arrays, extending to the basic support knowledge of Brocade

storage switch technologies.

•Strong technical analytical and troubleshooting skills, and possess an ability to explain technical concepts and provide guidance to staff.

•Proficient to expert scripting and automation skills converting manual and maintenance functions into fully orchestrated automation.

•Must have Strong Knowledge & experience in system monitoring techniques and tools supporting unattended operations.

•Strong system security awareness and knowledge in OS hardening.

•Ability to operate in complex, highly-secure, and highly-available, operations environments and interact with the technology domain experts required to

maintain those environments

•Excellent communication & interpersonal skills. Coaching other members of the support team, sharing technical and customer knowledge in a helpful and timely fashion

•Responsible for partnering with the Platform, Engineering and Delivery Teams to deliver seamless infrastructure support for all Visa business lines

Responsible for adherence of established ITIL practice



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)

  • minimum of 3+ years' experience enterprise management and support where overlying critical services must maintain high availability at all times.

    •Qualification and experience must include:

    ◦Bachelor's degree in Engineering, Computer Science or similar field

    ◦Expertise in Virtualization technologies such as Docker, KVM, Containers, OpenStack (HOS) and Hyper-V.

    ◦Expertise in infrastructure technologies such as HP blade server, and Cisco Blade UCS.

    ◦Strength in scripting automation against Windows, UNIX. BMC Atrium Orchestrator experience is highly recommended.

    •Unix Systems Administration experience required, Windows experience is a plus.

    •Experience supporting a 24x7 Operational environment, requiring shift support

    •Working experience with infrastructure components (LAN/WAN/TCP IP)

    •Self-motivated with the ability to exercise independent judgment with minimal direction from supervisor

    •Ability to coordinate activities within cross-divisional and cross-functional teams

    •Strong organizational skills with the ability to adapt quickly to changing priorities and assignments

    •Excellent verbal, written, skills; in particular, demonstrated ability to effectively communicate technical and business issues and solutions to multiple organizational levels internally and externally

    •Strong understanding of process orientation, understanding of project management techniques, methodologies and best practices

    •Candidate must have demonstrated and be prepared to exhibit initiative and ownership of consistent delivery success

    •Ability to set goals and objectives, prioritize, and manage situations to satisfactory completion

  • input the Basic Qualifications here. Field will expand with text.

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.

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