Voice Network Engineer II

Sierra Nevada Corporation; Englewood (CO); On-site; USD 82,039 - 112,803; Full time

Benefits offered by this job

Medical, dental, and vision plans

401(k) with 150% match up to 6%

3 weeks paid time off

Tuition reimbursement

Job summary

Sierra Nevada Corporation is looking for a Voice Network Engineer II based in Englewood, Colorado. This role requires managing and troubleshooting complex network systems while implementing advanced network solutions and ensuring robust security protocols.

You will collaborate with senior engineers, monitor enterprise network infrastructures, and need a Bachelor's degree and experience with systems like Cisco Unified Communications Manager. A generous benefits package and salary range of $82,039.23 - $112,803.95 are offered.

Qualifications

• 2+ years of experience in a related field, or 6+ years without a degree.
• Practical experience with voice systems and troubleshooting network issues.
• Strong experience maintaining corporate networks and SLAs.

Responsibilities

• Monitor and support enterprise network infrastructure including LAN, WAN.
• Provide advanced support for voice systems and IP telephony.
• Troubleshoot complex network and voice issues.

Skills

Cisco Unified Communications Manager (CUCM)

VoIP QoS

Networking protocols (TCP/IP, DNS, DHCP)

Networking switching equipment

Wireless and VPN implementations

AI in troubleshooting

Education

Bachelor’s degree in a related field

Tools

Network automation or scripting (Python, Ansible)

Session Border Controllers

Cloud voice solutions

Job description

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Voice Network Engineer II, you will enhance your expertise in managing and troubleshooting complex network systems. Your role will involve greater responsibility for implementing network solutions, handling escalated issues, and ensuring robust security protocols. You will work closely with senior engineers and other stakeholders to support the organization’s networking needs.

Responsibilities

• 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.

Qualifications

Who we are looking for: You Must Have:

• Bachelor’s degree in a related field.
• 2+ years of experience in a related field, or a minimum of 6 years of related experience in the absence of a degree.
• Practical experience with voice systems such as Cisco Unified Communications Manager (CUCM) and Microsoft Teams, SIP trunking and Session Border Controllers, VoIP QoS, RTP/RTCP, call flow analysis.
• A deep understanding of network protocols and services (TCP/IP, DNS, 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), and providing support to corporate IT departments.
• Basic understanding of firewall principles and maintenance.

We Prefer:

• CCNA, CCNP, or equivalent certification.
• Experience with cloud voice solutions (Teams Phone, Webex, etc.).
• Knowledge of SD‑WAN technologies.
• Experience with network automation or scripting (Python, Ansible).
• Experience in high‑availability or multi‑site environments.

Essential Functions

• Must be able to lift 25 lbs regularly.
• Work primarily at a computer for extended periods.
• Frequent use of hand/finger dexterity for computer work.
• Occasional travel may be required.

Benefits & Compensation

Estimated Starting Salary Range: $82,039.23 - $112,803.95. Compensation varies depending on candidates’ key skills, relevant work experience, and education/training/certifications. The disclosed range estimate may be adjusted for any applicable geographic differential associated with the location of the position.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

Security Clearance

This position requires the ability to obtain and maintain a Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non‑U.S. citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF) handles the adjudicative aspects of the security clearance eligibility process for industry applicants.

Equal Opportunity Statement

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.