Network Engineering Lead responsible for the security and resilience of OT networks. Overseeing network engineering capability and engaging with operational teams for Anglian Water.
About the role
- Global IT Network Architect leading design and management of network infrastructures. Ensuring secure and scalable solutions for Rehlko's global operations with a focus on innovation.
Responsibilities
- Architect and maintain scalable, secure, and high-performing global network infrastructure using network and SD-WAN technologies (routers, switches, firewalls).
- Lead the planning and deployment of wireless network solutions, including wireless controllers, access points (APs), and associated infrastructure.
- Develop and maintain scalable network topologies across data centers, cloud environments, and remote offices.
- Define and enforce network segmentation strategies using VLANs, subnetting, and access controls.
- Establish global standards for network architecture, configuration, and security.
- Oversee global network performance monitoring, fault isolation, and troubleshooting.
- Collaborate with regional IT teams to deploy consistent solutions and ensure compliance with corporate policies and best practices.
- Configure and manage firewalls, security policies, and threat prevention systems.
- Collaborate with security teams to implement zero-trust architecture principles.
- Conduct risk assessments and ensure compliance with internal and external standards (e.g., ISO 27001, GDPR, NIST).
- Ensure alignment with global security standards, including NAC, wireless encryption, segmentation, and access control.
- Negotiate and manage contracts with global Internet Service Providers (ISPs), ensuring optimal service levels and costs.
- Monitor performance and escalate issues with vendors as needed to minimize downtime and maximize ROI.
- Manage vendor relationships and engage in hardware/software procurement strategies.
- Lead the lifecycle management of Cisco Enterprise Agreements, including smart licensing, renewals, and cost optimization.
- Oversee network monitoring, capacity planning, and performance tuning.
- Support global incident response for critical network outages or degradations.
- Maintain detailed network documentation, including topology diagrams, IP schemas, and change management records.
- Provide guidance and mentoring to junior network engineers and support teams.
Requirements
- Prefer bachelor’s degree in computer science or information technology, or a related field or equivalent experience.
- 10+ years of progressive experience in network engineering and architecture, ideally in a global enterprise environment.
- Strong hands-on experience with network technology: switches, routers, wireless controllers, monitoring tools, setting parameters/alerts, VxLAN, and IPSec Tunneling.
- Experience with WAN technologies, SD-WAN, MPLS, VPNs, and cloud connectivity (e.g., AWS, Azure networking), advanced subnetting, VLANs, IP planning, and network segmentation.
- Experience with network automation tools such as Ansible, Terraform, or Python scripting (nice to have).
- Strong leadership, communication, and stakeholder management skills (dealing with distributed teams, cross-region projects), strategic thinking, and problem-solving abilities.
- Preferred certifications include: CCNP/CCIE (Cisco Certified Network Professional/Expert) AWS/Azure Networking Certification ITIL Foundation or other IT service management certifications CompTIA Network+ CompTIA Security+ Certified Information Systems Security Professional (CISSP) Certified Information Security Manager (CISM) Certified Information Systems Auditor (CISA) Juniper Networks Certified Internet Professional (JNCIP) Palo Alto Networks Certified Network Security Engineer (PCNSE) VMware Certified Professional – Network Virtualization (VCP-NV) Fortinet Network Security Expert (NSE).
Benefits
- health, vision, dental insurance
- 401(k) with Rehlko matching
- paid time off
- flexible work arrangements
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