Senior Network Engineer – Juniper, Large-Scale SP

Hallmark Global Solutions Ltd; Charlotte (NC); On-site; USD 110,000 - 170,000; Full time

Job summary

Hallmark Global Solutions Ltd. seeks a Resident Engineer to deliver post-sales, customer-facing technical support for Juniper Networks products deployed with Charter Communications (Spectrum).

You will support high availability, scalability, and operational excellence across large-scale service provider networks in North Carolina. Responsibilities include triaging incidents, performing RCA, guiding migrations, developing automation scripts in Python, and crafting network health reports.

Qualifications

• 5+ years in design, deployment, and operations of large-scale service provider networks.
• Experience with major network transformations, upgrades, and expansions.
• Hands-on with Juniper MX/QFX/EX/ACX/PTX platforms.
• Strong knowledge of TCP/IP, MPLS, OSPF, IS-IS, BGP, IPv4/IPv6, QoS, and CoS.
• Python scripting and Juniper PyEZ experience.
• Ability to develop automation integrated with workflows.
• Excellent communication and customer-facing skills.
• Certifications like JNCIS/JNCIP/JNCIE, CCNP/CCIE are a strong plus.

Responsibilities

• Provide operational support for production and pre-production network environments.
• Troubleshoot complex hardware, software, and network issues across large-scale IP/MPLS infrastructures.
• Manage JTAC cases, root cause analysis, and corrective actions.
• Support critical incidents, outages, and escalations.
• Conduct network information-gathering workshops and understand customer architecture and operational workflows.
• Provide network design guidance, capacity planning, and technology recommendations.
• Support network upgrades, migrations, maintenance windows, and change events.
• Prepare technical reports, network health assessments, and remediation plans.
• Conduct technical workshops and train customer engineering and operations teams.
• Assess network health and develop fault-isolation and diagnostic procedures.
• Review and improve customer SOPs, MOPs, and operational standards.
• Perform lab testing, certification, and integration of new hardware and software releases.
• Develop Python-based automation tools for configuration validation, health checks, troubleshooting, and provisioning.

Skills

Customer-facing

Troubleshooting

Python scripting

Automation

Communication skills

Tools

Juniper MX

Juniper QFX

Juniper EX

Juniper ACX

Juniper PTX

Juniper PyEZ

Job description

Hallmark Global Solutions Ltd. seeks a Resident Engineer to deliver post-sales, customer-facing technical support for Juniper Networks products deployed with Charter Communications (Spectrum).

You will support high availability, scalability, and operational excellence across large-scale service provider networks in North Carolina. Responsibilities include triaging incidents, performing RCA, guiding migrations, developing automation scripts in Python, and crafting network health reports.