Telephony Engineer

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MANTECH seeks a motived, career and customer-oriented Telephony Engineer to join our team in McLean, VA. In this role, you'll combine expertise in telephony systems, Linux server management, and software development, focusing on VoIP, analog, ISDN systems, and Ruby on Rails for telephony applicions.

Responsibilities include, but are not limited to:

• Design, develop, and maintain voice media geways for VoIP, analog, and ISDN systems. Install, configure, and troubleshoot telephony hardware and media geways across secure networks.
• Leverage BESS Billing and Provisioning Tools to optimize telephony systems and ensure seamless service delivery.
• Configure and maintain Linux servers (Ubuntu, CentOS) for hosting telephony and web applicions, ensuring performance, security, and scalability. Develop and troubleshoot applicions using PowerBuilder, Korn shell, and Ruby on Rails.
• Integre telephony systems (e.g., IVR, call routing) into web applicions using Ruby on Rails. Modernize legacy code and ensure reliable operion of telephony solutions.
• Maintain clear technical documention and provide ongoing support for telephony system integrion, performance optimizion, and troubleshooting.
• Provide training and guidance to team members and stakeholders on telephony system integrion, BESS tools, and server management best practices. Ensure comprehensive understanding of applicion workflows and troubleshooting processes.
• Provide local travel support between customer buildings or temporary assignment to alterne locions for special projects.
• Work an 8 hour shift as part of a coverage team opering between 6:00 AM and 6:00 PM. May need to flex shift as required.

Minimum Qualificions:

• High School Diploma with 13+ years of experience or an Associe’s Degree with 11+ years of experience, or a Bachelor’s Degree with 9+ years of experience.
• Familiarity with BESS Billing and Telephony Provisioning Tools.
• Experience integring telephony systems with web applicions (e.g., handling inbound/outbound calls, IVR, call routing).
• Advanced knowledge of Linux server management (Ubuntu, CentOS), including installion, configurion, troubleshooting, and performance optimizion.
• Strong verbal and written communicion skills to interact effectively with cross-functional teams.

Preferred Qualificions:

• Proficiency in Ruby programming and the Ruby on Rails framework, along with strong experience in telephony system integrion.
• Experience with scripting languages, including PowerBuilder and Korn shell, for system administrion tasks.
• Oracle Dabase Administror certificion is a plus.
• Experience in provisioning telephony services.

Clearance Requirements:

• Must have a current/active TS/SCI with Polygraph

Physical Requirements:

• Must be able to remain in a stionary position least 50% of the time. Constantly opere a computer, phone, and other office equipment for extended periods of time.

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