Senior Network Engineer - Hybrid/Remote, 24x7 MSP Support

Arc; Basildon; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Dynamic working environment

Career progression

Ongoing training and development

Competitive salary

Job summary

Arc is seeking a Senior Network Engineer to design, deliver, and support complex customer and internal networks across data centres, ISPs, and on-premise infrastructures. You will own projects, provide senior escalation support, and collaborate with Sales and customers to deliver secure, scalable solutions.

The role includes proactive monitoring, maintenance, and a 24x7 support rota with occasional out-of-hours work; mix of office/home-based and customer site visits.

Qualifications

• Strong networking background with Layer 2/Layer 3 concepts.
• Experience with VPN technologies (IPSec Site-to-Site, SSL).
• Exposure to multiple firewall vendors (FortiGate, Sophos XG, Cisco ASA/Firepower, WatchGuard).
• Knowledge of NAT, Web/IPS/AV filtering policies and authentication integration.
• SW/Router vendor diversity: Cisco IOS, HP Aruba; VLANs, trunking, cabling.
• Experience with Ubiquiti UniFi and Cisco Meraki wireless deployments.
• Experience with datacentre networks and rapid fault diagnosis.
• Proactive monitoring, 24x7 support participation, on-call duties.
• Experience with Windows server roles and hypervisor platforms.
• Strong customer facing skills and civil communication.

Responsibilities

• Own installation projects and coordinate with customers and managers to deliver installations.
• Maintain and develop DC & ISP networks.
• Assist sales with technical questions for proposals.
• Monitor networks and maintain alerting systems.
• Apply firmware and software updates to networking gear.
• Provide on-site and remote network support for escalated issues.
• Support 24x7 on-call rota and occasional out-of-hours work.
• Deliver secure, robust, scalable network solutions for clients.

Skills

Layer 2 concepts

Layer 3 routing

VPN technologies

Firewall management

Multi-vendor switching

Wireless deployments

Datacentre networks

Troubleshooting

Connectivity types FTTC/FTTP/Leased

Windows servers (AD/DHCP/DNS/NPS)

Hyper-V / VMware

Customer facing

CCNP advantage

UK Driving license

Job description

Arc is seeking a Senior Network Engineer to design, deliver, and support complex customer and internal networks across data centres, ISPs, and on-premise infrastructures. You will own projects, provide senior escalation support, and collaborate with Sales and customers to deliver secure, scalable solutions.

The role includes proactive monitoring, maintenance, and a 24x7 support rota with occasional out-of-hours work; mix of office/home-based and customer site visits.