Middle VoIP Engineer

DataArt is a global software engineering firm. With over 20 years of experience, teams of highly-trained engineers around the world, deep industry sector knowledge, and ongoing technology research, we help clients create custom software that improves their operations and opens new markets. DataArt started out as a company of friends and has a special culture that distinguishes it from other IT outsourcers, such as:

- Flat structure. There are no “bosses” and “subordinates”.

- Flexible schedule, ability to change projects, to work from home, to try yourself in different roles.

- Minimal bureaucracy and micromanagement, convenient corporate services.

Required Skills and Experience

• 3+ years of experience in telecommunications (VOIP)
• Substantial experience with Asterisk framework with AEL scripting
• Solid knowledge of protocols such as SIP, RTP/SRTP and packet analysis
• Strong understanding of NAT traversal for media
• Hands-on experience with Session Border Controllers
• Experience working with switching and routing protocols
• Rich experience in Linux administration (RPM-based/DEB-based/Alpine)
• Experience in Docker-based containerizing technologies
• Understanding of service-oriented architecture (SOA)
• Effective communication and analytical skills
• A systematic approach and analytical thinking

Additional Competencies

• Knowledge of third party/open source SIP/WebRTC stacks
• Experience working with Ansible, Helm, Kubernetes, Terraform
• Programming on PHP/Python/Perl/Ruby, shell scripting
• Experience with OpenSIPS soft switch