Sr Network Voice Engineer

Sierra Nevada Corporation•Englewood, CO

11h•Hybrid

About The Position

Do you have a keen eye for detail and a passion for building innovative solutions? Join our team as a Senior Network Voice Engineer. In this role, you’ll lead the strategic planning, design, and implementation of complex network and voice systems while ensuring the integrity and security of our infrastructure. You will serve as a subject matter expert and advisor on all voice‑related matters, bringing deep engineering expertise and strong leadership to our organization. As SNC's corporate team, we provide the company and its business areas with strategic direction and business support spanning executive management, finance and accounting, operations, human resources, legal, IT, information security, facilities, marketing, and communications.

Requirements

Bachelor’s degree in a related field.
8+ 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 10 years of related experience is required.
Higher level relevant degree may substitute for experience.
Expert knowledge of network protocols and services [e.g., Transmission Control Protocol/Internet Protocol (TCP/IP), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP)].
Extensive experience with Cisco networking equipment.
Experience supporting a corporate network, maintaining Service Level Agreements (SLAs), providing support to corporate IT departments.
Experience design & manage network implementation projects in a dynamic fast paced environment.
Deep expertise with VoIP, SIP, RTP, QoS , SBCs, gateways, and hybrid call-routing architectures.
Strong hands-on knowledge of CUCM, CUBE, Unity, UCCX , and related Cisco collaboration technologies.
Proven experience deploying and administering Microsoft Teams Phone , including Calling Plans, Direct Routing, and Operator Connect.
Skilled in designing and maintaining dial plans, number inventory, and PSTN connectivity across both Cisco and Teams.
Solid understanding of networking fundamentals as they relate to voice: TCP/IP, VLANs, DHCP, DNS, routing, switching, packet capture tools.
Experience with Session Border Controllers (AudioCodes, Ribbon, or Cisco CUBE) in hybrid deployments.
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.

Nice To Haves

Preferred certifications: CCNP Collaboration, Microsoft Teams Voice, Cisco Certified Network Professional (CCNP), or Cisco Certified Internetwork Expert (CCIE) certification.
Expertise in Multiprotocol Label Switching (MPLS) WAN and Software-Defined Wide Area Network (SD-WAN) technologies.
Strong background in network security and compliance.
Proven experience in managing and leading network projects.
Hands-on expertise and experience with a wide variety of network related tools, concepts, technologies, best practices and security procedures.
Experience with network hardware, protocols, and media including but not limited to Fiber Optics, Unshielded Twisted Pair (UTP), Internetwork Operating System (IOS), SD-WAN, DNS, DHCP, wireless.
Hands-on experience with network automation platforms.
Hands-on experience with zero trust networking.

Responsibilities

Lead the design, architecture, and strategic direction of the organization’s hybrid enterprise voice and network infrastructure.
Oversee implementation, configuration, and maintenance of VoIP, call center, unified communications, and core network systems.
Manage and optimize call routing, dial plans, SBCs, gateways, firewalls, VPNs, IDS/IPS, and related infrastructure.
Ensure high availability, performance, security, and compliance across all voice and network services.
Diagnose and resolve complex issues involving voice technologies, network hardware/software, connectivity, and security.
Provide tier‑4 escalation support for voice and network incidents and service requests.
Drive technology upgrades, migrations, integrations, and adoption of new tools and best practices across the engineering organization.
Analyze system and network performance, traffic patterns, capacity metrics, and call quality to identify and implement improvements.
Develop and maintain standards, documentation, configurations, and operational procedures for voice and network systems.
Collaborate with executive leadership, network/security/application teams, and external vendors to ensure technical initiatives align with business goals.
Coordinate and deliver successful project execution across cross‑functional teams.
Generate and present reports on system and network performance, incidents, and trends.
Provide mentorship, guidance, and training to network engineers, junior staff, and broader IT teams.
Stay current with emerging technologies, industry standards, and best practices in both voice and network engineering.
Recommend, design, and implement enhancements to infrastructure, processes, and operational workflows.
Participate in rotational on‑call responsibilities (no more than one week per month).