Network and Systems Engineer

GFL Environmental Inc.; Portsmouth; On-site; GBP 80,000 - GBP 100,000; Full time

Job summary

A global technology organization is seeking a skilled Network & Systems Engineer based in Portsmouth, UK. This role involves managing and optimizing network and system operations, both on-premises and in the cloud. Responsibilities include incident management, system patching, and overseeing network operations. The ideal candidate should have experience in managing infrastructure incidents and a strong understanding of network fundamentals. This position allows for collaboration across teams and requires occasional out-of-hours support.

Qualifications

• Experience in managing on-premises and cloud environments.
• Ability to respond to infrastructure incidents efficiently.
• Knowledge of network operations including firewall management.

Responsibilities

• Patch and maintain systems to ensure reliability and performance.
• Monitor systems and networks including creating custom checks.
• Oversee network operations including firewall management and DNS.

Skills

Network management

Systems administration

Incident management

Windows Server

SQL databases

Citrix

Hyper-V

Backup and disaster recovery

Tools

Zabbix

FreshDesk

Veeam

Job description

Network & Systems Engineer page is loaded## Network & Systems Engineerlocations: United Kingdom - Portsmouthtime type: Full timeposted on: Posted 5 Days Agotime left to apply: End Date: April 3, 2026 (30+ days left to apply)job requisition id: R56544**Job Summary:**As a Network & Systems Engineer, you will be responsible for the day-to-day management, optimisation, and support of our network and systems estate. You’ll work across on-premises and cloud environments, supporting business-critical systems, managing incidents, and delivering projects that drive our technology forward. This role is based in the UK and may require occasional out-of-hours support and collaboration with remote teams.**Job Description:**### Key Responsibilities* Patch and maintain systems (Windows, SQL, Citrix, .NET, etc.) to ensure reliability and performance.* Respond to infrastructure incidents and service requests using tools such as FreshDesk.* Plan and execute infrastructure upgrades, hardware refreshes, and customer migrations.* Monitor systems and networks using Zabbix and Uptrends, including creating custom checks and responding to alerts.* Manage Hyper-V environments (320+ VMs), Veeam and SQL offsite backups, and disaster recovery tests.* Oversee network operations including firewall management, DNS, domain routing, VPNs, and network support across multiple offices.* Administer IIS, SFTP, file servers, Citrix, and support QA, Dev, UAT, and Production environments.* Plan, document, and implement change requests; maintain accurate records for compliance and operational continuity.* Provide ad-hoc technical support to colleagues, participate in meetings, and support business-as-usual operations.* Collaborate with the Security Engineer and other teams as needed, but primary focus is on network and systems.**Worker Type:**Regular**Number of Openings Available:**1Trellint, a Modaxo company, simplifies curbside management. We offer comprehensive solutions to make parking accessible, equitable, and congestion-free. Like a trellis supporting growing plants, we empower smarter parking for a thriving future. Learn more at .**About Modaxo** Modaxo is a global technology organization passionate about moving the world’s people. Working both together and independently, our collective of businesses are committed to delivering software and technology solutions that help connect people with the places they need to go for work, family, and everyday life. Learn more at .