Senior Systems Engineer – Enterprise Server & Automation

BrickRed Systems LLC; Reading; On-site; GBP 60,000 - 90,000; Full time

Job summary

BrickRed Systems is seeking a System Engineer to administer, maintain, and support enterprise server infrastructure and operating systems. You will manage Windows and Linux servers, patching, security hardening, and incident resolution.

You will work with cross-functional teams to ensure security, availability, and performance, maintain documentation, and participate in capacity planning and DR testing in a UK-based environment.

Qualifications

• 5–8+ years of experience in System Administration, Server Engineering, or Infrastructure Support.
• Strong hands-on experience with Windows Server and/or Linux administration.
• Experience in OS patching, upgrades, configuration, and security hardening.
• Knowledge of Active Directory, user administration, permissions, and access management.
• Experience with server monitoring, performance management, and troubleshooting.
• Understanding of backup, restore, and disaster recovery processes.
• Knowledge of CPU, memory, storage, disk, and capacity management.
• Strong troubleshooting, incident management, and problem-solving skills.
• Good documentation and communication skills.

Responsibilities

• Install, configure, administer, and maintain Windows and/or Linux servers and operating systems.
• Perform regular OS patching, updates, upgrades, and security hardening.
• Manage server configurations, system services, user accounts, permissions, and access controls.
• Monitor system health, availability, performance, and resource utilization.
• Manage backup operations, recovery procedures, and periodic restoration testing.
• Perform capacity planning and identify potential infrastructure performance or storage constraints.
• Troubleshoot and resolve server, operating system, hardware, and system-related issues.
• Support incident, problem, and change management processes.
• Maintain system documentation, configuration records, operational procedures, and support runbooks.
• Coordinate with network, security, database, application, and cloud teams to resolve infrastructure issues.
• Ensure compliance with infrastructure security policies, operational standards, and SLAs.

Job description

BrickRed Systems is seeking a System Engineer to administer, maintain, and support enterprise server infrastructure and operating systems. You will manage Windows and Linux servers, patching, security hardening, and incident resolution.

You will work with cross-functional teams to ensure security, availability, and performance, maintain documentation, and participate in capacity planning and DR testing in a UK-based environment.