Network Engineer

Overview

We are seeking a highly technical, customer-facing Resident Engineer to provide post-sales technical support for Juniper networking products and solutions deployed within a large-scale service provider network.

Working closely with the customer’s Network Engineering, Architecture and Operations teams, you will support network availability, scalability and operational performance.

You will develop deep expertise in existing and planned Juniper deployments, delivering reactive and proactive operational support, design guidance and best-practice recommendations.

Role Responsibilities

• Provide day-to-day operational support for production and pre-production network environments.
• Troubleshoot complex hardware, software and network issues across large-scale IP/MPLS infrastructures.
• Open, manage and drive vendor technical support cases through to resolution, including root cause analysis and corrective actions.
• Support critical incidents, outages and escalations, communicating clearly with engineering, operations and leadership teams.
• Conduct information-gathering workshops to understand the customer’s network architecture, operational workflows and future requirements.
• Develop a strong understanding of the customer’s organisational structure, engineering standards and operational procedures.
• Provide guidance on network design evolution, capacity growth and technology adoption aligned with the customer’s roadmap.
• Assist with major network upgrades, maintenance windows, migrations and changes.
• Produce clear written reports covering project progress, network health, identified issues and remediation activities.
• Lead technical and operational workshops to review ongoing issues, support case status, root causes, mitigations and long-term solutions.
• Train customer engineering, implementation and operations teams on the configuration, monitoring and operation of Juniper platforms.
• Assess network health and stability across Juniper environments.
• Develop and maintain fault isolation and diagnostic procedures.
• Create and review Standard Operating Procedures (SOPs) and Methods of Procedure (MOPs), identifying gaps that could lead to network or service outages.
• Contribute to best-practice policies and standards for Juniper product usage.
• Collaborate with other Resident Engineers to share lessons learned and reduce risks during network changes.
• Develop expertise across additional Juniper product lines as required.
• Perform laboratory testing, certification and integration of new hardware and major software releases before production deployment.
• Develop and maintain automation scripts to improve operational efficiency, consistency and accuracy across troubleshooting and provisioning.
• Write and support Python-based tools for configuration validation and network health checks.
• Support customer teams in adopting network automation tools within existing operational workflows.
• Contribute to documentation and internal tooling repositories supporting automation initiatives.

Required Background and Qualifications

• Minimum five years’ hands-on experience designing, deploying and operating large-scale service provider or Multiple System Operator (MSO) networks.
• Experience supporting major network transformations, upgrades or expansions.
• Strong experience with the Junos command-line interface.
• Large-scale, hands-on experience with Juniper MX, QFX, EX, ACX and PTX platforms.
• Strong understanding of service provider networking technologies, including:
• TCP/IP and MPLS fundamentals.
• OSPF, IS-IS and BGP.
• MPLS-TE, RSVP and LDP.
• IPv4 and IPv6.
• BGP routing policy and peering.
• VPN technologies, including L3VPN, VPLS and MVPN.
• Ethernet switching and 802.1Q.
• Quality of service and class of service.
• Hands-on scripting experience with Python and Juniper PyEZ.
• Ability to design automation solutions that integrate with existing operational workflows.
• Excellent communication skills during high-pressure outages and escalations.
• Ability to present complex technical topics to engineering, operations and executive audiences.
• Strong customer-facing skills and a collaborative, consultative approach.
• Ability to translate business and technical requirements into practical, scalable network solutions.

Desirable Qualifications

• Relevant networking certifications, such as JNCIS, JNCIP, JNCIE, CCNP or CCIE.