At a Glance
- Tasks: Support and evolve a large-scale enterprise network while tackling hands-on projects.
- Company: Join a forward-thinking organisation with a dynamic IT team in Lewes.
- Benefits: Competitive salary, great benefits, and a stable long-term career opportunity.
- Other info: Collaborative environment with opportunities for professional growth.
- Why this job: Work with emerging technologies and make a real impact in network solutions.
- Qualifications: CCNA certification and experience in enterprise-scale networks are essential.
The predicted salary is between 46000 - 46000 £ per year.
We are looking for a Senior Network Engineer to join a well‑established and dynamic internal IT team based in Lewes. Reporting to the Network Team Leader, you will play a key role in supporting and evolving a large‑scale enterprise network estate. This is a hands‑on role, offering the opportunity to work across WAN, LAN, WLAN, and network security, while contributing to both operational support and project‑based network improvements.
Key Responsibilities
- Maintain and support WAN, LAN, and Wireless LAN connectivity across multiple locations
- Deploy, configure, and support edge routers and security firewalls
- Contribute to the design and implementation of network solutions
- Monitor network health, performance, and overall environment stability
- Perform fault finding, troubleshooting, and root cause analysis
- Support development of network standards, configurations, and best practices
- Assist with hardware lifecycle planning and replacement strategies
- Produce and maintain clear technical documentation and procedures
- Work closely with vendors, suppliers, and internal stakeholders
- Provide on‑site support and installations when required
- Ensure adherence to organisational policies and security standards
Skills & Experience Required
- CCNA (or equivalent certification) – essential
- CCNP – highly desirable
- Proven experience supporting enterprise‑scale network environments
- Strong background with:
- Firewalls & VPNs (Cisco ASA, Checkpoint)
- Routing protocols & network design principles
- WAN technologies and monitoring
- Campus LAN and Wi‑Fi networks
- QoS in WAN/LAN environments
- Experience with SD‑WAN (Arista)
- Knowledge of Cisco wireless networks (Juniper exposure beneficial)
- Excellent network troubleshooting and diagnostic skills
- Experience using tools for traffic analysis, performance monitoring, and capacity planning
Personal Attributes
- Strong problem‑solving mindset with attention to detail
- Ability to work independently and take initiative
- Comfortable working in a fast‑paced, collaborative team environment
- Quick learner with the ability to apply new knowledge effectively
- Excellent communication and stakeholder engagement skills
Why Apply?
- Join a forward‑thinking organisation with a modernising network environment
- Be part of a skilled and collaborative network team
- Opportunities to work with emerging technologies including SD‑WAN and next‑gen wireless
- Competitive salary and stable, long‑term career opportunity
- Great benefits included
Senior Network Engineer in Lewes, East Sussex employer: Energy Jobline CVL
Join a forward-thinking organisation in Lewes, East Sussex, where you will be part of a dynamic IT team dedicated to evolving a large-scale enterprise network. With a focus on collaboration and innovation, we offer competitive salaries, excellent benefits, and opportunities for professional growth, including exposure to emerging technologies like SD-WAN and next-gen wireless solutions. Experience a supportive work culture that values your contributions and fosters your development in a fast-paced environment.
