Network Engineer

Job Title: Network Engineer

Salary: Competitive + Car Allowance + Benefits

Location: Location: Hybrid working, home & approximately twice a month in the Office or Data-centres located in the South-East

Working Hours: Monday - Friday 40 hours per week + On call rota approximately 1 in 7 weeks, and Out of Hours 1-2 times a week

Job Status: Permanent

Who we are

The Constellation Automotive Group is the largest vertically integrated digital car marketplace in Europe, combining the leading digital brands across the segments of Consumer to Business (C2B), Business to Business (B2B) and Business to Consumer (B2C). Businesses in our group include house-hold names such as cinch, We Buy Any Car, and Marshall Motor Group as well as industry leading British Car Auctions (BCA).

The Constellation Technology Team provides a group-wide set of Technology Products and Services across the Constellation Automotive Group. This includes the following divisions BCA UK, We Buy Any Car, cinch, BCA and Marshall.

Our roles support both a cross section of divisions or could be dedicated to a single division. This provides a unique opportunity to experience a diversity of teams, technology, and businesses across C2B, B2B and B2C. This also provides the possibility to change roles within the Group, and experience new challenges and opportunities. We are growing and are on a key digital transformation journey. We offer competitive salaries plus attractive benefits, unrivalled support to progress and flexible hybrid working.

We are seeking a highly experienced Network Engineer to join our Group Network function. This role is critical to the stability and performance of our extensive, 200-site network. We are looking for a technical expert who thrives on complex challenges and excels in a fast-paced support environment.

The ideal candidate will be defined by their exceptional problem-solving abilities and a structured approach to incident management. You will have a proven support capability, acting as an escalation point for all network-related issues. Your primary goal will be to ensure maximum uptime, security, and performance across our entire technology landscape, from the datacentre core to the wireless edge.

Role Accountabilities:

• Incident & Problem Management: Take ownership of high-priority network incidents, providing rapid troubleshooting and resolution to minimise business impact. Conduct thorough root cause analysis (RCA) and implement permanent fixes.
• Technical Support: Act as a key escalation point for the IT service desk and other support teams, providing expert-level support for complex connectivity, performance, and security issues.
• Datacentre Networking: Support and manage our datacentre network, including spine & leaf switch fabrics and high-availability configurations.
• Security & Load Balancing: Administer and maintain our Palo Alto and FortiGate firewalls (including policy, VPNs, and threat prevention). Manage and configure F5 LTM load balancers.
• Network Operations: Manage, maintain, and support our 200-site network, ensuring the health of all LAN, WIFI, and SDWAN services.
• Multi-Vendor Management: Configure, monitor, and optimise our Ubiquiti Unifi and Cisco Meraki network estates.
• Routing & Virtualisation: Manage and troubleshoot complex routing, with a strong focus on BGP. Collaborate with the systems team to support and configure hypervisor networking (VMware/Nutanix).
• Documentation: Create and maintain high-quality network diagrams, standards, and operational documentation.

Knowledge and Experience:

• Several years of experience in a similar Network Engineer role, managing a large-scale, multi-site enterprise network.
• Exceptional Problem-Solver: Demonstrable ability to diagnose and resolve complex, intermittent network issues under pressure.
• Incident Management Expert: Proven experience in a high-availability environment, managing the full lifecycle of incidents from detection to resolution and review.
• WAN/LAN Expertise: In-depth, hands-on experience with Ubiquiti (UniFi) and Cisco Meraki (MX, MS, MR) product suites.
• Datacentre Technologies: Strong practical knowledge of modern datacentre networking, including spine & leaf architectures and hypervisor networking (vSphere NSX, or Nutanix AHV).
• Advanced Routing: Expert-level understanding and practical experience with BGP.
• Network Security: Hands-on experience managing and configuring Palo Alto and FortiGate firewalls.
• Application Delivery: Experience with F5 LTM load balancers.
• Experience with network monitoring and analytics tools.
• Knowledge of cloud networking (Azure or AWS).
• Scripting or automation skills (e.g., Python, Ansible).
• Personal Attributes: A genuine drive and passion for technology, a proactive and self-motivated attitude, and excellent communication skills.
• Relevant industry certifications (e.g., CCNP, JNCIA/JNCIS, PCNSA/PCNSE, Fortinet NSE, F5-CA).

We've put everything in place to ensure you thrive. Competitive salaries, strong core values and an excellent benefits package that includes:

• Company Pension Scheme
• An Employee Assistance Programme
• Enhanced maternity, paternity, and adoption leave
• Access to trained Mental Health First Aiders