Infrastructure Engineer

Rakuten Group; City Of London; On-site; GBP 45,000 - 60,000; Full time

Job summary

A leading global technology company in London is seeking an experienced IT Systems Administrator. In this role, you will manage hybrid products, support systems, and implement improvements. Ideal candidates have a strong background in systems engineering and cloud infrastructure. Join a dynamic team that values innovation and customer satisfaction.

Qualifications

• 4-6 years of hands-on experience in network and systems administration.
• Strong understanding of system integration involving web, software, and hardware platforms.
• Demonstrated knowledge in administering enterprise systems.

Responsibilities

• Manage hybrid software and hardware products from concept to deployment.
• Administer and support Windows and Linux-based systems.
• Monitor and respond to system incidents and alerts.

Skills

Systems engineering

Automation

Network infrastructure

Active Directory

Cloud infrastructure (AWS, Azure, GCP)

Scripting (Python, Ansible, PowerShell, Bash)

Education

Bachelor's degree in Information Technology, Computer Science

Tools

VMware

Hyper-V

Microsoft M365

Job description

Job Description:

RESPONSIBILITIES

• Manage hybrid software, hardware, and web-based/SaaS products from concept through final deployment and sustainment
• Administer and support Windows and/or Linux-based systems and integrations, ensuring consistent uptime and secure configuration
• Support virtualization environments (e.g., VMware, Hyper-V) and hybrid cloud deployments (e.g., Azure)
• Configure and troubleshoot Active Directory, DNS, DHCP, and GPOs
• Perform routine maintenance: patching, backups, log reviews, and system health checks
• Support configuration management and change control processes to ensure integrity of system baselines
• Design and implement system improvements and automation
• Monitor and respond to incidents, alerts, and user support requests
• Coordinate with cybersecurity, software, and helpdesk teams to ensure operational continuity
• Act as point of escalation for IT support and major incidents, working with vendors to resolve complex technical issues
• Provide subject matter expertise across multidisciplinary teams to ensure interoperability and system performance
• Document network/system configurations and standard operating procedures

MINIMUM REQUIREMENTS

• Proficiency in systems engineering, automation, and network infrastructure
• Strong understanding of system integration involving web, software, and hardware platforms
• Advanced system administration (Windows Server, Linux, Active Directory)
• Experience with cloud infrastructure (AWS, Azure, GCP)
• Proficiency in automation and scripting (Python, Ansible, PowerShell, Bash)
• Experience with security best practices (firewalls, IAM, patch management)
• Demonstrated knowledge and ability to administer enterprise systems such as Microsoft M365, Active Directory/Group Policy, and Okta
• Advanced understanding of various infrastructure and network technologies such as WAN/LAN, TCP/IP, DHCP, DNS, VPN, Windows Server operating systems
• Understanding of Disaster recovery and business continuity planning procedures

QUALIFICATIONS

• Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience)
• 4-6 years of hands-on experience in network and systems administration
• Working knowledge of Windows Server, Active Directory, and basic networking principles
• Familiarity with virtualization technologies (VMware, Hyper-V) and system hardening practices
• Strong troubleshooting skills and the ability to work independently and as part of a team

Five Principles for Success

Our worldwide practices describe specific behaviors that make Rakuten unique and united across the world. We expect Rakuten employees to model these 5 Shugi Principles of Success.

Always improve, Always Advance - Only be satisfied with complete success - Kaizen

Passionately Professional - Take an uncompromising approach to your work and be determined to be the best

Hypothesize - Practice - Validate - Shikumika - Use the Rakuten Cycle to succeed in unknown territory

Maximize Customer Satisfaction - The greatest satisfaction for our teams is seeing their customers smile

Speed!! Speed!! Speed!! - Always be conscious of time - take charge, set clear goals, and engage your team