Resident Engineer

Hallmark Global Solutions Ltd; Charlotte (NC); On-site; USD 120,000 - 180,000; Full time

Job summary

Hallmark Global Solutions Ltd seeks a Resident Engineer to provide post-sales, customer-facing technical support for Juniper Networks products in Charter Communications environments, ensuring high availability and operational excellence across large-scale IP/MPLS networks.

The role emphasizes troubleshooting, incident management, automation development with Python, and partnering with customers to design improvements, migrations, and ongoing optimization.

Qualifications

• 5+ years hands-on experience in design, deployment, and operations of large-scale service provider networks.
• Experience supporting major network transformations and upgrades.
• Proficiency with TCP/IP, MPLS, OSPF/IS-IS, BGP, IPv4/IPv6, QoS, and VPN technologies.
• Strong Python scripting and ability to build automation that integrates with operational workflows.
• Excellent communication and customer-facing skills, especially during outages or escalations.
• Industry certifications (JNCIS/JNCIP/JNCIE or CCNP/CCIE) are a strong plus.

Responsibilities

• Provide post-sales, customer-facing technical support for Juniper networks.
• 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.
• Develop automation tools for configuration validation, health checks, and provisioning.
• Conduct workshops and train customer teams.
• Review and improve customer SOPs and operational standards.
• Prepare technical reports and network health assessments.

Skills

Network design

MPLS

TCP/IP

Juniper platforms

Python scripting

Automation tooling

Troubleshooting

Customer-facing

Incident management

Tools

Juniper MX

Juniper QFX

Juniper EX

ACX

PTX

Job description

The Resident Engineer provides post-sales, customer-facing technical support for Juniper Networks products deployed within Charter Communications (Spectrum). The role supports high availability, scalability, and operational excellence across large-scale service provider networks.

Key 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.

Required Qualifications

• 5+ years of hands-on experience in design, deployment, and operations of large-scale service provider or MSO networks.
• Experience supporting major network transformations, upgrades, and expansions.
• Hands-on experience with Juniper MX, QFX, EX, ACX, and PTX platforms.
• Strong knowledge of TCP/IP, MPLS, OSPF, IS-IS, BGP, IPv4/IPv6, MPLS-TE, RSVP, LDP, routing policies, L3VPN, VPLS, MVPN, Ethernet switching, 802.1Q, QoS, and Class of Service.
• Python scripting and Juniper PyEZ experience.
• Ability to develop automation solutions integrated with operational workflows.
• Excellent communication, presentation, and customer-facing skills.
• Ability to communicate effectively during outages and escalations.
• JNCIS, JNCIP, JNCIE, CCNP, or CCIE certifications are a strong plus.