Network Infrastructure Engineer (CCNP-Level)

Crown Oil UK; Heap Bridge; On-site; GBP 35,000 - 50,000; Full time

Job summary

A leading oil company in the United Kingdom is looking for a network-first engineer with CCNP-level skills. This position involves ownership of routers and switches, improving network performance across multiple sites, and requires a full UK driving license. You'll work Monday to Friday from 08:30 to 17:00 onsite in Heap Bridge, managing connections and supporting users across various locations.

Qualifications

• CCNP or equivalent level certification is required.
• Experience with VLANs, OSPF, STP, and LACP is necessary.
• Solid understanding of Cisco equipment, such as Catalyst.

Responsibilities

• Audit and tidy network cabinets across all group sites.
• Replace unmanaged switches and standardise network setups.
• Manage Fortinet firewalls and improve Wi-Fi performance.

Skills

CCNP (or CCNP-level experience)

Strong L2/L3 networking

Solid Cisco experience

Firewall experience (Fortinet, Cisco)

Comfortable with cabinet work

Full UK driving licence

Job description

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We’re looking for anetwork-first engineerwithCCNP-level skillswho wants ownership — not tickets. This role is ideal for someone who enjoys switches, routing, VLANs, firewalls, Wi‑Fi, and improving networks properly across multiple sites.

You’ll work closely with our Group Head of IT Infrastructure & Cyber Security and play a key role in standardising and maturing our network estate.

What You'll Do

• Audit and tidy network cabinets across all group sites
• Replace unmanaged switches and standardise network setups
• Own switching (Cisco/Ubiquiti) and routing (OSPF, VLANs, inter‑VLAN)
• Manage Fortinet firewalls (FortiGate — training provided if needed)
• Improve Wi‑Fi performance and site connectivity
• Support Microsoft 365, Intune, VMware, Veeam
• Work across multiple sites with genuine autonomy and trust

What You Need

• CCNP (or CCNP-level experience)
• Strong L2/L3 networking —VLANs, OSPF, STP, LACP
• Solid Cisco experience (Catalyst or similar)
• Firewall experience (Fortinet, Cisco, or equivalent)
• Comfortable with cabinet work, patching, and physical installs
• Full UK driving licence

The Setup

• Hours:08:30 – 17:00, Monday to Friday
• Location:Onsite — Bury, Greater Manchester
• Travel:Required to Speedy (London) and Beesleys (Oldbury) — mileage covered / pool car available
• Team:Reporting to Group Head of IT Infrastructure & Cyber Security, with support from Lee Redfern
• Users:400+ across multiple group sites

What ''Great'' Looks Like

• Clean, consistent, accurate documentation
• Issues identified early and resolved properly
• Professional, proactive communication
• Trusted ownership of the network stack
• Pride in tidy networks and doing things the right way

Sound Like You?

If you take pride in tidy networks, clear documentation, and doing things right — we’d love to hear from you.

We are an equal‑opportunity employer

Diversity and inclusion are essential to us and we encourage a culture where everyone can be themselves at work. We value and actively seek out a richly diverse range of talent. Our policies ensure that every job applicant and employee is treated fairly and with equal opportunity to succeed.