Senior Network Engineer Job Basildon England UK,IT/Tech

Arc is a leading IT Managed Services Provider (MSP) based in the UK, delivering innovative and reliable IT solutions to businesses across various industries. With a strong reputation for excellence, we offer a range of services, including IT support, hybrid cloud solutions, cybersecurity, infrastructure management, Power Apps and AI. Our team is dedicated to delivering outstanding customer service and technical expertise to help businesses succeed.

Role Overview

The Senior Network Engineer is responsible for the design, delivery, and ongoing support of complex customer and internal network environments, spanning data centre, ISP, and on-premise infrastructures. The role involves taking full ownership of network installation projects, providing senior-level escalation support, and working closely with Network Management, Sales, and customers to deliver robust, secure, and scalable solutions. This position also requires proactive network monitoring, maintenance, and participation in a 24x7 support rota, with occasional out-of-hours work to meet customer and operational requirements.

This role will entail a mix of office/home based work as well as customer site visits for installation/support.

Key Responsibilities

To take ownership of installation projects, and liaise with Network Manager, Account Managers and Customers to deliver the installation project
To carry out ongoing maintenance and development of the DC & ISP network
Assist sales to answer technical questions for new customer proposals
Assist with the maintenance of monitoring systems to provide alerting
Pro-active maintenance relating to software and firmware updates of networking equipment
Occasional out of hours tasks depending on customer requirements on downtime around support and install tasks
Included within the 24x7 OOH call rota
To provide Network support for escalated tickets from Primary Helpdesk Team - remote & onsite if necessary

Required Skills & Experience

Strong networking background and understanding of the following technologies:
- Layer 2 understanding (ARP, MAC)
- IP addressing and subnetting
- Spanning Tree Protocol (STP)
Strong understanding of Layer 3 routing protocols:
- OSPF
- EIGRP
- BGP
VPN technologies:
- IPSec Site-to-Site VPNs
- SSL VPNs
Exposure to a range of firewall vendors, including:
- Forti Gate & Forti Manager
- Sophos XG
- Cisco ASA / Firepower
- Watch Guard
Demonstrable skills in managing firewalls and related technologies, such as:
- Zone-based firewalling
- NAT (Network Address Translation)
- Web, IPS and AV filtering policies
- Device and user authentication integration
Strong switching skills with multi-vendor experience:
- Cisco IOS
- HP Aruba
- VLAN creation, management, trunking and tagging
- Cabling and connector types (Cat5/Cat6 copper and fibre optic cabling)
Wireless installation and support:
- Experience with Ubiquiti Uni Fi deployments
- Experience with Cisco Meraki deployments
- Experience working with and managing Data centre networks
- Strong troubleshooting skills
- Understanding of different Internet connectivity types – FTTC/FTTP/Leased Line
- Experience with Windows servers and roles such as AD/DHCP/DNS/NPS
- Experience with Hyper-V / VMWare technologies
- Excellent customer facing manner
- Previous experience in a similar IT role
- Cisco CCNP and any other network qualifications would be an advantage
- Full UK Driving license

What We Offer

A dynamic and supportive working environment.
Opportunities for career progression within the company.
Ongoing training and professional development.
Competitive salary

Key Points Diversity & Inclusion

We celebrate diverse backgrounds and perspectives; they make us stronger. If you’re excited about this role, apply even if your experience doesn’t align perfectly. If not this one, you could be just the right fit for other roles we are recruiting for. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

UK

Right to Work

All applicants must have the right to live and work in the UK. We cannot offer sponsorship at this time.

Accessibility

We are committed to providing reasonable adjustments for any candidates with disabilities. If you require adjustments, please outline these requirements in your application.

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