Network Engineer

CGG; Bolney; On-site; GBP 50,000 - 70,000; Full time

Benefits offered by this job

Competitive salary

Bonus scheme

Annual leave 22 days

Company pension

Unmind wellbeing app

Flexible benefits platform

Social events

Cycle purchase scheme

Private Medical & Dental care

Visa sponsorship/relocation

Holiday swapping

Job summary

Viridien is seeking a Network Engineer to support the operation, reliability, and continuous improvement of its global enterprise and data centre network infrastructure. You will join the Network Operations team and collaborate with infrastructure teams, vendors, and business stakeholders to support day-to-day operations and ongoing network improvements.

The role involves maintaining and enhancing WAN/LAN, datacentre, cloud-connected networks, plus configuring routing, switching, firewall and

Qualifications

• 3–5 years' experience supporting enterprise, datacentre, cloud-connected or service provider network environments.
• Hands-on experience configuring, supporting and troubleshooting production network infrastructure.
• Good understanding of routing, switching, WAN, firewall and network security fundamentals.
• Practical knowledge of technologies such as BGP, OSPF, VLANs, QoS, VPNs and TCP/IP.
• Experience using monitoring, alerting or operational management platforms.
• Strong troubleshooting, analytical and problem-solving skills.
• Ability to work effectively within a collaborative technical team.
• Strong written and verbal communication skills.

Responsibilities

• Support, maintain and troubleshoot enterprise network infrastructure across WAN, LAN, wireless, datacentre, cloud-connected and security environments.
• Deploy, configure and monitor routing, switching, firewall and network security platforms.
• Investigate network incidents, contribute to root cause analysis and support preventative improvement actions.
• Monitor network availability, performance, health and capacity across critical services.
• Participate in infrastructure projects, hardware refreshes, migrations and service improvement initiatives.
• Work with senior engineers to implement network enhancements and introduce new technologies.
• Maintain accurate technical documentation, diagrams, standards and operational procedures.
• Support network security, resilience, compliance and lifecycle management activities.
• Collaborate with vendors, service providers and internal stakeholders to support operational and project requirements.
• Participate in an on-call support rota and occasional out-of-hours maintenance activities.

Skills

Enterprise networking

Routing & switching

Network security fundamentals

BGP/Ospf/VPNs

Monitoring/observability

Troubleshooting

Team collaboration

Communication skills

Education

Degree in Computer Science or related field

Tools

Arista

Cisco

Juniper

Azure networking

SD-WAN

VXLAN/EVPN

Job description

Viridien (www.viridiengroup.com) is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and infrastructure challenges.

Job Details

Viridien is seeking a Network Engineer to support the operation, reliability, and continuous improvement of its global enterprise and data centre network infrastructure.

About The Team

You will join the Network Operations team, responsible for delivering reliable, secure, and high-performing network services that support Viridien's global business, operational, and research activities. Working as part of a global engineering team, you will collaborate with infrastructure teams, vendors, and business stakeholders to support day-to-day operations and ongoing network improvements.

Key Responsibilities

• Support, maintain and troubleshoot enterprise network infrastructure across WAN, LAN, wireless, datacentre, cloud-connected and security environments.
• Deploy, configure and monitor routing, switching, firewall and network security platforms.
• Investigate network incidents, contribute to root cause analysis and support preventative improvement actions.
• Monitor network availability, performance, health and capacity across critical services.
• Participate in infrastructure projects, hardware refreshes, migrations and service improvement initiatives.
• Work with senior engineers to implement network enhancements and introduce new technologies.
• Maintain accurate technical documentation, diagrams, standards and operational procedures.
• Support network security, resilience, compliance and lifecycle management activities.
• Collaborate with vendors, service providers and internal stakeholders to support operational and project requirements.
• Participate in an on-call support rota and occasional out-of-hours maintenance activities.

Qualifications

Required

• Approximately 3–5 years' experience supporting enterprise, datacentre, cloud-connected or service provider network environments.
• Hands-on experience configuring, supporting and troubleshooting production network infrastructure.
• Good understanding of routing, switching, WAN, firewall and network security fundamentals.
• Practical knowledge of technologies such as BGP, OSPF, VLANs, QoS, VPNs and TCP/IP.
• Experience using monitoring, alerting or operational management platforms.
• Strong troubleshooting, analytical and problem-solving skills.
• Ability to work effectively within a collaborative technical team.
• Strong written and verbal communication skills.

Preferred

• Experience with Arista, Aruba/HPE, Cisco, Dell, Palo Alto or Juniper technologies.
• Exposure to SD-WAN and hybrid networking environments.
• Familiarity with Azure networking or cloud connectivity solutions.
• Knowledge of datacentre networking technologies such as VXLAN, EVPN or MLAG.
• Experience with telemetry, observability or performance monitoring platforms.
• Experience with scripting or automation.
• Industry certifications such as CCNA, CCNP, ACSP, ACMP, or PCNSA.
• Degree in Computer Science or a related discipline, or equivalent practical experience.

Personal Attributes

• Curious and motivated to keep learning.
• Practical, hands-on, and service focused.
• Takes ownership and delivers work reliably.
• Collaborative and able to build effective working relationships.
• Proactive in identifying improvements and resolving issues.
• Comfortable working in a global technical environment.
• Able to balance operational support with project delivery.
• Committed to continuous professional development.

Why work with us?

• Competitive salary commensurate with experience
• Highly attractive bonus scheme
• Initial 22 days annual leave with future increases, complemented by a flexible buying and selling holiday program
• Company pension with generous employer contribution
• Wellbeing Unmind app – puts you in control of your mental health
• A flexible benefits platform with numerous discount schemes - gym membership, restaurants, cinema tickets, and much more!
• Regular social club events, spontaneous reward events throughout the year
• Cycle purchase scheme
• Flexible Private Medical & Dental care programmes
• Sponsorship of visas/comprehensive relocation packages
• Bank Holiday Swap - our holiday swap program allows you to change it for another day of your choice!
• Relaxed dress code policy

Learning and Development

At Viridien, we foster a culture of continuous learning and provide tailored training programs through our Learning Hub, designed to enhance technical, commercial, and personal growth.

We Care About The Environment

We encourage and actively support a strong sense of community, through volunteering and various company initiatives, as well as a strong company commitment to protecting our environment through sustainable solutions, energy saving and waste reduction enterprises.

Our Hiring Process

At Viridien, we are committed to delivering a respectful, inclusive, and transparent recruitment experience. Due to the high volume of applications we receive, we may not be able to provide individual feedback to every applicant. Only candidates whose qualifications closely match the role criteria will be contacted for an interview. We do, however, aim to share personalized feedback with those who progress to the first round of interviews and beyond. We are also dedicated to ensuring that our hiring process accessible to all. If you require any reasonable adjustments to fully participate in the application or interview stages, please don’t hesitate to contact your recruiter directly. We see things differently. Diversity fuels our innovation, we value the unique ways in which we differ, and we are committed to equal employment opportunities for all professionals.