Windows Systems Administrator (12-month contract) at Nomura Holdings, inc.

London, England, United Kingdom -

Full Time

Start Date

Immediate

Expiry Date

22 Mar, 26

Salary

0.0

Posted On

22 Dec, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Active Directory Administration, VMware, Windows Server Systems Administration, Microsoft 365, Exchange Online, Citrix XenDesktop, Citrix Virtual Apps, Mobile Messaging, Group Policy Management, DNS, DHCP, Change Control, Service-Based Ticketing, File System Management, Security Patching, Documentation

Industry

Financial Services

Description

Job title: Windows Systems Administrator Role type: Contract (12 months) Department: Digital Workspace Group Location: London (Hybrid) Company overview Nomura is a global financial services group with an integrated network spanning approximately 30 countries and regions. By connecting markets East & West, Nomura services the needs of individuals, institutions, corporates and governments through its three business divisions: Wealth Management, Investment Management, and Wholesale (Global Markets and Investment Banking). Founded in 1925, the firm is built on a tradition of disciplined entrepreneurship, serving clients with creative solutions and considered thought leadership. For further information about Nomura, visit www.nomura.com Department Overview Nomura is seeking a Windows Systems Administrator to join the Windows infrastructure sub-group of our Global Digital Workspace team and contribute to infrastructure support for the Nomura Group affiliate company Instinet Incorporated. The Digital Workspace team provides engineering, maintenance and support for Instinet’s Windows, Active Directory and VMware systems, globally. This role is primarily focused on the team’s responsibilities involving server administration, Active Directory vulnerability patching, VMware infrastructure maintenance and other infrastructure services while other team members are assigned to focus on first level support for the desktop environment. Essential Role Duties and Responsibilities: Active Directory vulnerability management Review vulnerabilities and available remedies Assess interoperability in a heterogeneous environment including legacy systems Manage deployment risk through log analysis, reporting and available controls Deploy, verify and support security patch and other vulnerability remediation tasks VMware infrastructure support Build, upgrade and patch VMware ESXi systems Monitor and manage ESXi server capacity Develop and maintain relevant documentation and runbooks Data Centre move projects Collaborate across Digital Workspace and technology infrastructure teams to support work required to relocate Instinet infrastructure to new data centre locations. General Windows Server Systems Administration & Support Essential Microsoft 365 & Exchange Online support Windows Server security patching Capacity and configuration management Installs, adds, changes and support This position is focused on developing and supporting our global Windows Server infrastructure with a focus in Active Directory Management, VMware, Support Escalation and After Hours Change Implementation. In this role you will be responsible for developing, implementing and supporting technology solutions delivered to Instinet’s corporate users and production Windows environment in a global teamwork environment. Skills, experience, qualifications and knowledge required: Minimum Technical Experience: Active Directory Administration Performing administrative tasks in a multi-domain environment User & Computer Administration Group Policy management & troubleshooting Experience managing AD Sites & Services Working knowledge and understanding of DNS & DHCP VMware Experience building, upgrading and managing ESXi v7.0, 8.0 and vCenter Experience managing VMware services and features including SRM, DRS and Update Manager Performance monitoring and alerting General Windows Server Systems Administration Deployment, management & support for Windows Server 2012, 2019+ systems. Windows Server patching Technical support for issues escalated from internal support groups and development teams Experience supporting a production environment, with change control procedures and after hours implementation Work Request Fulfilment Experience using a service-based ticketing system (e.g. Jira Service Desk, ServiceNow, etc.) Windows File System Management (e.g. Access Control Lists, DFS, File Share Management) Preferred Technical Experience: Citrix XenDesktop / Citrix Virtual Apps & Desktops Citrix Director VDA installation, configuration and troubleshooting Knowledge of Citrix NetScaler ADC and ADM Office 365 Exchange Online administration Mailbox creation & user management SMTP header analysis and related messaging technologies Mobile Messaging Experience administering a mobile messaging platform (e.g. Mobile Iron, Workspace ONE, etc.) Troubleshooting mobile connectivity errors Understanding of mobile messaging architecture Job Knowledge, Qualifications & Education: Previous experience in Systems Administration managing production Active Directory and VMWare VCenter and ESX infrastructure, including support, deployment, maintenance, upgrades, monitoring and troubleshooting. Experience supporting a production environment, including the use of change control procedures. Excellent verbal and written communications skills, including the ability to listen actively, participate in group discussions and take accurate and thorough notes. Strong attention to detail with a focus on quality and thoroughness. Able to learn through new experiences and willing to ask for guidance or assistance when needed. Technical certifications in Microsoft technologies, IT security and networking a plus. Nomura competencies Explore Insights & Vision Identify the underlying causes of problems faced by you or your team and define a clear vision and direction for the future. Making Strategic Decisions Evaluate all the options for resolving the problems and effectively prioritize actions or recommendations. Inspire Entrepreneurship in People Inspire team members through effective communication of ideas and motivate them to actively enhance productivity. Elevate Organizational Capability Engage proactively in professional development and enhance team productivity through the promotion of knowledge sharing. Inclusion Respect DEI, foster a culture of psychological safety in the workplace and cultivate a "Risk Culture" (Challenge, Escalate and Respect). Diversity Statement Nomura is committed to an employment policy of equal opportunities and is fundamentally opposed to any less favourable treatment accorded to existing or potential members of staff on the grounds of race, creed, colour, nationality, disability, marital status, pregnancy, gender or sexual orientation. If you require any assistance or reasonable adjustments due to a disability or long-term health condition, please do not hesitate to contact us. Nomura is an Equal Opportunity Employer

Responsibilities

The Windows Systems Administrator will focus on server administration, Active Directory vulnerability patching, and VMware infrastructure maintenance. They will also support the relocation of Instinet infrastructure to new data center locations.