Infrastructure Engineer

Rakuten; Brighton; On-site; GBP 40,000 - 60,000; Full time

Job summary

A global technology company in Brighton is seeking a skilled Systems Administrator to manage hybrid products and support cloud infrastructures. This role requires strong expertise in systems engineering with a focus on security best practices. The ideal candidate should have 4-6 years of experience and a passion for continuous improvement and customer satisfaction.

Qualifications

• 4-6 years of hands-on experience in network and systems administration.
• Demonstrated knowledge to administer enterprise systems such as Microsoft M365.
• Strong understanding of system integration involving web, software, and hardware.

Responsibilities

• Manage hybrid software and hardware from concept through final deployment.
• Support virtualization environments and hybrid cloud deployments.
• Monitor and respond to incidents and user support requests.

Skills

Systems engineering

Automation

Network infrastructure

Advanced system administration

Cloud infrastructure

Scripting

Security best practices

Troubleshooting skills

Education

Bachelor's degree in IT, Computer Science, or related field

Tools

Windows Server

Active Directory

VMware

Hyper-V

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

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