Voice Network Engineer II

Sierra Nevada Corporation

Voice Network Engineer II managing and troubleshooting network systems for aerospace company. Collaborating with senior engineers and stakeholders to support networking needs.

Posted 6/22/2026full-timeLone Tree • Colorado, Nevada • 🇺🇸 United StatesJuniorMid-Level💰 $82,039 - $112,803 per yearWebsite

Tech Stack

Tools & technologies

DNSFirewallsSwitchingTCP/IPVoIP

About the role

Key responsibilities & impact

Monitor, maintain, and support enterprise network infrastructure, including LAN, WAN, WLAN, SD‑WAN, and data center networking.
Provide advanced support for voice systems, including IP telephony, call routing, SBC administration, and VoIP troubleshooting.
Configure and maintain routers, switches, firewalls, load balancers, and related technologies.
Troubleshoot complex network and voice issues; perform root‑cause analysis and implement long‑term fixes.
Participate in on‑call rotation and respond to escalated incidents.
Work with carriers, vendors, and internal teams to resolve service issues and manage upgrades.
Assist in network and voice infrastructure projects, including new deployments, migrations, and system modernization.
Ensure compliance with security standards, best practices, and change‑control procedures.
Maintain accurate documentation of network diagrams, configurations, and support procedures.
Recommend improvements to performance, scalability, and reliability of network/voice services.

Requirements

What you’ll need

Bachelor’s degree in a related field
2+ years of experience in a related field
Relevant experience can be considered as a substitute for the required educational qualifications
In the absence of a degree, a minimum of 6 years of related experience is required
Higher level relevant degree may substitute for experience
Practical experience with voice systems such as: – Cisco Unified Communications Manager (CUCM) and MS Teams – SIP trunking and Session Border Controllers – VoIP QoS, RTP/RTCP, call flow analysis
A deep understanding of network protocols and services [e.g., Transmission Control Protocol/Internet Protocol (TCP/IP), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP)]
Proficiency with networking switching equipment and systems
Proficiency with wireless and VPN implementations
Familiarity with AI in troubleshooting network issues
Strong experience with networking equipment
Experience supporting a corporate network, maintaining Service Level Agreements (SLAs), providing support to corporate IT departments
Basic understanding of firewall principles and maintenance.

Benefits

Comp & perks

medical, dental, and vision plans
401(k) with 150% match up to 6%
life insurance
3 weeks paid time off
tuition reimbursement
more

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

network infrastructureLANWANWLANSD-WANdata center networkingIP telephonycall routingSBC administrationVoIP troubleshooting

Soft Skills

troubleshootingroot-cause analysisincident responsecollaborationdocumentation