Staff Engineer, Voice Core
GCIAbout the role
GCI's Staff Engineer, Voice Core will be responsible for the implementation, configuration, validation, and ongoing support of GCI’s telecommunications and data network switching infrastructure. This role ensures seamless transmission of voice, data, and multimedia traffic through the effective configuration, monitoring, and optimization of switching systems.
The position requires expertise across a broad range of switching technologies—digital, analog, and packet-based—utilizing solutions from industry-leading vendors such as Metaswitch, Ribbon, Oracle, and REDCOM. As an advanced-level engineering role, it demands deep subject matter expertise, independent decision-making on complex engineering challenges, and the ability to provide technical direction to maintain service-level commitments. Key responsibilities include:
- Serving as project engineer for major, complex initiatives, ensuring solutions are designed, planned, analyzed, and implemented to integrate seamlessly across business departments.
- Providing technical leadership, oversight, and mentorship to junior engineers, including reviewing their documentation and finalizing design specifications for operational deployment.
- Acting as the subject matter expert with advanced knowledge of how technologies integrate across multiple computing platforms.
Applying expert-level understanding of engineering principles, including high availability, redundancy, reliability, testing, security, and industry standards.
Delivering solutions under challenging deadlines and operating constraints, while maintaining excellence in budget and time management across multiple, concurrent projects.
This role is expected to consistently demonstrate leadership in technical execution, strategic planning, and cross-functional collaboration. The Staff Engineer, Voice Core, serves as a trusted expert and technical authority within the company, ensuring that critical infrastructure and services operate at the highest levels of performance, reliability, and security.
ESSENTIAL DUTIES AND RESPONSIBILITIES:Technical Leadership in Switching & Signaling Systems:
- Provide strategic and technical leadership as the principal authority in the evaluation, design, configuration, and ongoing optimization of Class 4/Class 5 switching platforms, including Metaswitch, softswitches, SBCs, and MGWs. Applies deep subject matter expertise in key telecommunications protocols—such as SIP, SS7/SIGTRAN, MGCP, ISDN PRI, TDM, and IMS based architecture—to ensure the delivery of scalable, resilient, and interoperable network solutions aligned with enterprise objectives and long-term service strategies.
- Works with a high degree of autonomy and authority, regularly interfacing with directors, senior directors, and vice presidents to influence architectural direction and support enterprise-wide initiatives. Holds profit-and-loss accountability and plays a vital role in shaping departmental strategies, long-range planning, policy development, and budgeting processes.
Leadership on Special Projects & Strategic Initiatives:
- Drives and contributes to high-impact engineering initiatives, special assignments, and complex technology transformation programs. Oversees the coordination of cross-functional resources, project timelines, and deliverables for initiatives that carry significant business and technical visibility.
- Ensuring that all project efforts are aligned with the company’s strategic direction, technical roadmap, and evolving industry standards, helping the organization stay competitive in a rapidly changing telecommunications landscape.
Technology Validation & Lab Testing:
- Design, document, and lead the execution of comprehensive lab test plans for new products, protocols, and technologies, ensuring alignment with current industry best practices prior to production deployment.
- Ensure consistency, clarity, and technical accuracy in all deliverables, with test outcomes documented in accordance with formal engineering standards.
- Oversee the accuracy and completeness of network documentation using platforms such as Confluence to facilitate effective knowledge transfer of design architectures, configuration, and asset standards.
Network Performance & Lifecycle Management:
- Develop performance measurement subsystems for reporting network systems performance, performs advanced monitoring, and review of Key Performance Indicators (KPI)
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