Sr Voip Engineer

Company Description OSC Global is an IT, cybersecurity, and professional services leader that combines mission-focused expertise with advanced technology to protect organizations worldwide. The company delivers secure and resilient solutions designed to safeguard clients’ operations, data, and future growth. Through its integrated platforms and specialized teams, OSC Global supports a wide range of industries with robust, scalable services. Team members collaborate in a dynamic environment where innovation, security, and reliability are core priorities for every engagement.

Role Description This full-time, on-site Sr VoIP Engineer role is based in Quantico, VA. The Sr VoIP Engineer is responsible for designing, implementing, and maintaining VoIP and telephony systems to ensure secure, reliable, and high-quality voice communications. Daily responsibilities include configuring and managing voice infrastructure, monitoring performance, diagnosing and resolving complex issues, and coordinating with networking and security teams to optimize system stability. The role also involves providing advanced technical support, documenting configurations and procedures, and contributing to continuous improvement of voice services and related technologies.

Qualifications

• Candidates should possess strong Voice over IP (VoIP) and Telephony skills, including experience with enterprise-grade voice platforms and call routing.
• Candidates should possess solid Networking skills, such as IP routing, QoS, SIP, and related network protocols used in voice environments.
• Candidates should possess advanced Troubleshooting and Technical Support skills for diagnosing, resolving, and preventing complex VoIP and telephony issues.
• Experience with network and security best practices, including secure voice architectures and compliance with organizational or regulatory standards.
• Proficiency with VoIP monitoring and management tools, and the ability to interpret logs and performance metrics.
• Strong documentation, communication, and collaboration skills to work effectively with cross-functional technical and non-technical teams.
• Several years of experience in a senior or lead VoIP engineering role; experience in high-security or government environments is beneficial.
• Relevant certifications (e.g., CCNP Collaboration, VoIP vendor-specific credentials) and a degree in Computer Science, Information Technology, or a related field are preferred.