Voice Network Engineer II: VoIP & Enterprise Networking Pro

Sierra Nevada Corporation; Beavercreek (OH); On-site; USD 82,000 - 113,000; Full time

Benefits offered by this job

Medical insurance

Dental plan

Vision plan

401(k) with 150% match

Paid time off

Job summary

Sierra Nevada Corporation is seeking a Voice Network Engineer II to enhance expertise in managing and troubleshooting complex network systems. You will take on greater responsibility for implementing network solutions, addressing escalated issues, and ensuring robust security protocols.

Join SNC’s corporate team delivering strategic direction and business support across IT, security, and operations. This role requires collaboration with senior engineers and stakeholders to meet networking needs.

Qualifications

• Bachelor’s degree in a related field is required.
• 2+ years of related experience required; 6+ years acceptable if no degree.
• Experience with voice systems such as CUCM and MS Teams, SIP trunks, and SBCs is required.
• Strong knowledge of TCP/IP, DNS, DHCP and network protocols.
• Proficiency with switching equipment and wireless/VPN implementations.
• Experience in enterprise networks with SLAs and IT support.
• Security best practices and change-control procedures are essential.

Responsibilities

• Monitor, maintain, and support enterprise network infrastructure including LAN, WAN, WLAN, SD-WAN, and data centers.
• Provide advanced support for voice systems (IP telephony, call routing, SBC administration, VoIP troubleshooting).
• Configure and maintain routers, switches, firewalls, load balancers, and related tech.
• Troubleshoot complex network and voice issues with root-cause analysis and long-term fixes.
• Participate in on-call rotation and respond to escalated incidents.
• Collaborate with carriers, vendors, and internal teams to resolve issues and upgrades.
• Assist in network/voice projects including deployments, migrations, modernization.
• Ensure security standards compliance and change-control adherence.
• Maintain network diagrams and documentation; suggest improvements for performance and reliability.
• Ensure SLAs and corporate IT support alignment.

Skills

Network troubleshooting

VoIP expertise

CUCM / SIP

Security best practices

Root cause analysis

On-call support

Vendor coordination

Documentation

TCP/IP DNS DHCP

Education

Bachelor’s degree

Experience substituted for degree

Tools

CUCM

MS Teams

SBCs

Firewall basics

Python scripting

SD-WAN

VPN technologies

Cloud voice (Teams)

Job description

Sierra Nevada Corporation is seeking a Voice Network Engineer II to enhance expertise in managing and troubleshooting complex network systems. You will take on greater responsibility for implementing network solutions, addressing escalated issues, and ensuring robust security protocols.

Join SNC’s corporate team delivering strategic direction and business support across IT, security, and operations. This role requires collaboration with senior engineers and stakeholders to meet networking needs.