Job Title: Senior Network Engineer - VolP/Service Provider (Juniper Focus)

The position is on-site. Must reside in or near Richardson, Texas.

We are seeking a highly skilled Senior Network Engineer with expertise in Voice over IP (VoIP) technology from a network perspective. This role involves designing, configuring, and troubleshooting Juniper-based network systems in a large-scale service provider environment, with a focus on ensuring Quality of Service (QoS) for critical applications. The engineer will collaborate with cross-functional teams on diverse projects and programs, leveraging advanced networking technologies to maintain exceptional service standards.

The ideal candidate will have a robust understanding of network routing, packet flow, and hands-on experience with routers, switches, firewalls, and security platforms, primarily Juniper hardware. A strong focus on QoS implementation and optimization to ensure network performance is critical.

Required Qualifications :

• 8-10 years of industry experience.
• At least 5 years of network design and operations experience.

Preferred Qualifications :

• Bachelor’s degree in Engineering or related field.
• Certifications :
• Juniper (e.g., JNCIS-SP, JNCIP-SP, JNCIE-SP, IP Security)
• Cisco (e.g., CCNA, CCNP, CCIE)

Skills & Experience :

• Strong technical expertise in configuring and troubleshooting routers, switches, firewalls, and network security products.
• Hands-on experience with Juniper SRX firewalls, Junos Space/Security Director, and QoS configurations for VoIP traffic.
• In-depth understanding of IP service provider network protocols, including QoS mechanisms (e.g., traffic shaping, queuing, and prioritization).
• Proficiency with troubleshooting tools like Gigamon, NetScout, and nGeniusOne.
• Experience with traffic generation tools (e.g., Ixia, Breaking Point).
• Familiarity with network automation tools and programming languages (e.g., Python or Perl) is a plus.
• Strong interpersonal and communication skills (oral and written).
• Experience working with large-scale Service Provider networks is desirable.

Key Responsibilities :

• Provide technical support for routing, switching, and network security platforms.
• Design and implement QoS strategies to optimize VoIP performance and ensure seamless packet delivery.
• Develop and execute Methods of Procedure (MOP) for network changes, including decommissioning virtual servers and SBC configurations.
• Troubleshoot complex VoIP and network connectivity issues, such as:
• SVB VAPI connectivity problems.
• iLO IP address accessibility.
• Collaborate on Access Control List (ACL) updates, bandwidth adjustments, and QoS policies.
• Analyze and resolve network performance issues, including hardware/software bugs (e.g., memory leaks, BGP issues).
• Work on tasks requiring port assignments, bandwidth upgrades, and security configurations.