Infrastructure Engineer

Rakuten Group; London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A global technology company is seeking an experienced IT professional in London to manage hybrid software and hardware products. The ideal candidate will have strong skills in advanced system administration and experience with cloud infrastructure. Key responsibilities include supporting systems, monitoring incidents, and coordinating technical resolutions. This role emphasizes innovation and continuous improvement in a fast-paced environment.

Benefits

Professional development opportunities

Dynamic team environment

Comprehensive benefits package

Qualifications

• 4-6 years of hands-on experience in network and systems administration.
• Working knowledge of Windows Server, Active Directory, and basic networking principles.
• Strong troubleshooting skills and ability to work independently and in a team.

Responsibilities

• Manage hybrid software, hardware, and SaaS products from concept to deployment.
• Support Windows and Linux systems ensuring uptime and security.
• Monitor and respond to incidents and user support requests.

Skills

Systems engineering

Automation

Network infrastructure

Advanced system administration

Cloud infrastructure (AWS, Azure)

Scripting (Python, Ansible, PowerShell, Bash)

Security best practices

Education

Bachelor's degree in Information Technology, Computer Science

Tools

VMware

Active Directory

Windows Server

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