VAS Engineer- Signature

App Logic Networks
, the App QoE company, helps network service providers deliver highest quality experience to consumers and enterprises. The company develops best-in-class solutions that analyze, optimize and monetize OTT application traffic going through the networks. With contextual machine-learning based insights and real-time actions,
App Logic Networks has become a global leader in Application Quality of Experience (QoE). As part of this innovative and exciting company, you will drive innovation in app-driven cloud and hybrid solutions designed to accelerate time-to-value across network planning, engineering and operations. Join the team and contribute to what makes App Logic Networks unique in the market: superior App QoE!

Are you a technically minded engineer with a passion for solving complex network challenges and delivering exceptional customer experiences? App Logic Networks is looking for a VAS Engineer - Signatures to join our Global Services team and play a critical role in supporting our key accounts.

In this role, you'll be at the forefront of daily protocol development activities, working in a high-availability production environment where your attention to detail and investigative mindset will make a real difference. You'll monitor, identify, and drive resolution of potential issues — acting as a trusted liaison between our customers and App Logic Networks' internal teams, including Customer Support, Product Management, and Global Professional Services.

• Monitor & Test — Perform daily monitoring and testing of critical applications, system health, logs, and alarms with a strong sense of urgency when issues arise
• Analyze & Troubleshoot — Investigate critical application traffic and detect problems using tools such as traffic sniffers, simulators, MRTG, PRTG, SNMP polling, and log analysis
• Identify & Develop — Work on deployed solutions to identify grey critical apps/protocol traffic and design new solutions for monitoring and detection
• Collaborate & Lead — Lead discussions and analysis with cross-functional departments to solve and prevent issues before they impact customers
• Enable Customers — Provide knowledge transfer and technical guidance to customers, empowering them to better understand and leverage App Logic Networks solutions
• Communicate & Escalate — Serve as the primary liaison between customer operations and App Logic Networks' Customer Support, Account Management, and engineering teams — managing escalations, status updates, and resolution timelines
• Hands-On Support — Work directly with equipment and tools as needed, supporting team members across a cross-functional environment

• Education: Bachelor's degree in Computer Science, Engineering, or another STEM discipline
• Experience: Minimum 5 years in a technical role

• Strong command of Unix-based operating systems (Linux, FreeBSD, etc.)
• Proficiency in programming or scripting languages (Java, C/C++, Python, Perl, etc.)
• Hands-on expertise with packet-level debugging tools (Wireshark, tcpdump, tcpreplay, or similar)
• Solid understanding of web application concepts including P2P, VoIP, WAP, MMS, and RTSP
• Deep knowledge of networking and IP-related technologies
• Experience in Quality Assurance testing
• Strong background in VoIP, IPTV, and video streaming protocols and architecture
• Thorough understanding of end-to-end network call flows and relevant protocols (DHCP, RADIUS, DIAMETER, GRE, SIP, RTP, MGCP, H.323, RTCP)

• Exceptional troubleshooting, investigative, and problem-solving abilities
• Strong communication and presentation skills — both written and verbal
• Ability to manage competing priorities in complex, high-pressure environments
• Customer-first mindset with a passion for satisfaction and follow-through
• Comfortable working directly with customers, even in high-pressure situations
• Ability to multitask and manage multiple customer requests simultaneously
• Strong attention to detail and commitment to follow-up
• Project management capabilities and team-oriented work style

• Experience with network hardware installation and…