Introduction
Are you an experienced Voice or VoIP Engineer looking for a stable, long-term opportunity in the United States? This is a strong opportunity for professionals specializing in VoIP systems, unified communications, and network infrastructure.
A leading IT consulting company is hiring Senior Voice / VoIP Engineers for onsite roles across major US tech hubs including Philadelphia, Mount Laurel, and Denver.
With increasing demand for real-time communication systems, this role offers a chance to work on enterprise-grade VoIP deployments and cutting-edge communication platforms.
About the Company
Codinix Technologies is a fast-growing IT consulting and staffing company that specializes in providing expert talent across networking, cloud, telecom, and enterprise infrastructure domains.
The company works with large enterprises and telecom clients, delivering high-performance solutions in VoIP, networking, and unified communication systems. Codinix is known for long-term client engagements and career growth opportunities for technical professionals.
Job Role & Responsibilities
As a Senior Voice / VoIP Engineer, you will be responsible for designing, implementing, and maintaining enterprise communication systems.
Key Responsibilities:
- Design and deploy VoIP solutions for enterprise environments
- Manage and configure SIP, RTP, and VoIP protocols
- Work on Cisco Unified Communications (CUCM) and similar platforms
- Troubleshoot voice quality issues (latency, jitter, packet loss)
- Implement and manage call routing and dial plans
- Integrate VoIP systems with existing network infrastructure
- Monitor and optimize voice network performance
- Collaborate with network engineers and IT teams
- Ensure system security and compliance
- Provide L3 support and incident resolution
Eligibility Criteria
Educational Qualification:
- Bachelor’s Degree in Computer Science, IT, or related field
Experience Required:
- Minimum 8–12 years of experience in VoIP/Voice Engineering
- Experience working in enterprise or telecom environments
- Hands-on experience with Cisco or similar VoIP platforms
Required Skills
Technical Skills:
- VoIP technologies (SIP, RTP, H.323)
- Cisco CUCM / Unified Communications
- Voice gateways and session border controllers (SBC)
- Networking fundamentals (TCP/IP, VLANs, QoS)
- Troubleshooting voice quality issues
- Cloud telephony (nice to have)
- Monitoring tools (Wireshark, SolarWinds)
Soft Skills:
- Strong analytical and troubleshooting skills
- Effective communication
- Team collaboration
- Ability to handle high-pressure situations
- Attention to detail
Salary & Benefits
💰 Estimated Salary:
- $55 – $75 per hour (W2/C2C depending on contract)
Benefits:
- Long-term contract stability
- Opportunity to work with enterprise telecom systems
- Exposure to advanced VoIP and unified communications
- Career growth in networking and telecom domain
- Competitive compensation
Work Location & Environment
📍 Locations:
- Philadelphia, PA
- Mount Laurel, NJ
- Denver, CO
🏢 Work Type:
- Onsite role
Work Environment:
- Collaborative enterprise environment
- Work with experienced networking teams
- Exposure to large-scale communication systems
- Fast-paced and technically challenging projects
Selection Process
The hiring process typically includes:
- Resume Screening
- Technical Interview (VoIP + Networking)
- Hands-on Scenario Round
- Client Interview
- Offer Discussion
How to Apply
Follow these steps to apply:
- Update your resume with VoIP and networking experience
- Highlight Cisco and SIP-related projects
- Include relevant certifications (if any)
- Send your resume to:
📧 Dipak.kumar@codinix.com
Important Dates
- 📅 Date Posted: April 8, 2026
- ⏳ Last Date to Apply: Apply ASAP (urgent hiring)
Important Links
- 📩 HR Email: Dipak.kumar@codinix.com
Tips for Candidates
Resume Tips:
- Highlight VoIP deployment experience
- Mention tools like Wireshark and CUCM
- Include measurable achievements (e.g., reduced call drop rate)
Interview Tips:
- Prepare SIP call flow explanations
- Revise QoS and network optimization
- Practice troubleshooting scenarios
- Understand real-world VoIP architecture
Common Mistakes to Avoid
- ❌ Not understanding SIP protocols
- ❌ Weak networking fundamentals
- ❌ Ignoring troubleshooting scenarios
- ❌ Sending generic resumes
- ❌ Lack of hands-on experience explanation
FAQ Section
1. Is this a remote job?
No, this is a fully onsite role.
2. What experience is required?
Minimum 8–12 years in VoIP/Voice Engineering.
3. What technologies are required?
VoIP, SIP, Cisco CUCM, networking fundamentals.
4. Is this a full-time job?
No, it is a long-term contract role.
5. Are certifications required?
Not mandatory, but Cisco certifications are a plus.