Network TAC Engineer VOIP Support 24x7
Network TAC Engineer VOIP Support 24x7
Posted on :
20-06-2025
Employer Active
1 Vacancy
Job Alert
You will be updated with latest job alerts via emailValid email field required
Send jobs
Share
Send me jobs like this
Job Alert
You will be updated with latest job alerts via emailValid email field required
Send jobs
Job Description
Job Title: Network TAC Engineer / VOIP Support 24x7
Client: Leading USA Telecom & Managed Service Provider
Location: Specify Location
Job Type: Full-time / Shift-based 24x7 Support)
Job Summary:
We are seeking a skilled Network TAC Engineer/VOIP Support professional to provide high-quality technical support for Voice over Internet Protocol (VoIP) services. The ideal candidate will interact with US-based enterprise clients/customers troubleshoot VoIP infrastructure issues configure SIP trunking and resolve critical network-related problems. This role requires expertise in VoIP systems SBC IP-PBX call routing and Unified Communications troubleshooting.
Key Responsibilities:
Technical Support & Troubleshooting:
- Provide L2/L3 technical support to enterprise customers for VoIP services.
- Configure and troubleshoot SIP Trunking customers in Session Border Controllers (SBCs) including DID and Pilot number configuration.
- Deploy configure and troubleshoot VoIP infrastructure including IP-PBX systems gateways SBCs and soft switches.
- Configure voicemail accounts auto-attendants call queues dial plans and call routing.
- Diagnose and resolve issues related to voice quality call routing call drops echo jitter and latency.
- Troubleshoot Netsapiens & Cisco BroadWorks/BroadSoft Unified Communications (UC) issues.
- Handle Polycom Yealink Grandstream Cisco ATA Adtran routers PSTN SIP trunking and analog lines.
- Work on Hosted PBX On-premises IP telephony platforms Unified Communications solutions Unified Contact Center Enterprise MS Teams direct routing and cloud telephony solutions.
- Block unauthorized IPs detect and prevent DoS attacks using NOM Fail2Ban alerts.
- Troubleshoot Softphone Toll-Free DID SD-WAN Firewalls QoS COS RTP SIP codecs.
- Resolve IP circuit Ethernet circuit and SD-WAN issues.
- Perform ADTRAN router backups via CLI.
Monitoring & Escalations:
- Monitor network performance and voice quality using key parameters such as PDD ASR ACD FAS.
- Identify and block **fraudulent/suspicious calls and compromised users
4o
You said:
ask question to the candidates
ChatGPT said:
Here are some interview questions for the Network TAC Engineer/VOIP Support 24x7 role. These questions will help evaluate candidates technical knowledge problem-solving skills and customer support expertise.
General Questions:
- Can you briefly introduce yourself and walk us through your experience in VoIP and network troubleshooting
- What motivated you to apply for this role
- Have you worked in a 24x7 support environment before How do you handle high-pressure situations
- Can you share an instance where you resolved a complex VoIP issue for an enterprise customer
Technical Questions:
VoIP & SIP Trunking:
- What is SIP Trunking and how does it work
- How do you configure a SIP trunk on a Session Border Controller (SBC)
- What are the common issues in SIP Trunking and how do you troubleshoot them
- What tools do you use to analyze SIP call flows and diagnose call failures
Unified Communications (UC) & IP Telephony:
- What is the difference between Hosted PBX and On-Premises PBX
- Have you worked with Cisco BroadWorks/BroadSoft or Netsapiens UC platforms If so what were your responsibilities
- How would you troubleshoot one-way audio issues in a VoIP environment
- What are QoS and COS and how do they impact VoIP call quality
Troubleshooting & Network Support:
- What is the purpose of RTP in VoIP communication
- A customer complains of poor voice quality and dropped calls. How would you troubleshoot the issue
- How would you diagnose and fix unauthorized VoIP calls or SIP fraud attacks
- What steps do you take to resolve SD-WAN and firewall-related issues affecting VoIP performance
- Can you explain Fail2Ban and how it helps in securing VoIP systems
Technical Hands-On Scenarios:
- How would you back up an ADTRAN router using CLI
- How do you configure a call queue auto attendant or voicemail system for an enterprise customer
- What is a DID number and how is it configured in a VoIP system
Behavioral & Situational Questions:
- How do you prioritize multiple high-priority support tickets during a busy shift
- Have you ever had to deal with an irate customer How did you handle it
- Describe a time when you collaborated with a third-party vendor to resolve a network issue.
- How do you ensure accurate documentation of issue resolutions for future reference
- What steps do you take to continuously improve your VoIP troubleshooting skills
pstn,grandstream,call routing,session border controllers (sbc),unified communications troubleshooting,netsapiens,polycom,rtp,cos,monitoring,firewalls,qos,cisco broadworks/broadsoft,voip systems,voip,sip codecs,sip trunking,yealink,troubleshooting,ip-pbx,cisco ata,adtran routers,sd-wan,24x7,sip,technical support
Employment Type
Full Time
Report This Job
Disclaimer: Drjobpro.com is only a platform that connects job seekers and employers. Applicants are advised to conduct their own independent research into the credentials of the prospective employer.We always make certain that our clients do not endorse any request for money payments, thus we advise against sharing any personal or bank-related information with any third party. If you suspect fraud or malpractice, please contact us via contact us page.
