Senior VoIP Engineer – SIP, SBC & Voice Platforms (Contract, Onsite)

Senior Voice - VoIP Engineer (Contract)

📍 Location: Philadelphia, PA / Mount Laurel, NJ / Denver, CO (On-site)
📅 Duration: 12 months
💲 Rate: $50 – $60 per hour

🚀 Overview
An exciting opportunity for a Senior Voice / VoIP Engineer to take ownership of large-scale voice platforms in a high-impact environment. This role is ideal for someone who thrives on solving complex technical challenges, working autonomously, and contributing to cutting-edge voice and communication solutions.

🔧 Key Responsibilities
🔹 Design and support SIP-based voice and VoIP solutions, including call center and IVR systems
🔹 Troubleshoot SIP signalling, media flows, and complex voice-related issues across multiple systems
🔹 Translate business requirements into scalable and efficient technical designs
🔹 Operate independently, owning technical decisions and driving outcomes
🔹 Collaborate with engineering teams on design, escalation, and certification activities

✅ Required Skills & Experience
🔹 Strong hands-on expertise with SIP protocols, signalling, and media troubleshooting
🔹 Solid experience working within Linux environments (CLI-based support and diagnostics)
🔹 Proven background in VoIP platforms (PBX systems, SIP trunking, or service provider environments)
🔹 Strong systems-level problem-solving across multiple technologies
🔹 Basic scripting/automation experience
🔹 Exposure to APIs such as SOAP or REST

⭐ Preferred Experience
🔹 Experience with Session Border Controllers (SBCs) (e.g., Oracle/Acme Packet or similar)
🔹 Familiarity with carrier-grade voice platforms (e.g., BroadWorks or similar)
🔹 Exposure to Cisco voice technologies
🔹 Experience supporting large-scale, multi-region or global voice deployments

🎯 Additional Details
🔹 Experience Level: Mid-Senior (10+ years)
🔹 Education: Bachelor’s degree preferred
🔹 Function: Information Technology
🔹 Industry: IT & Services
🔹 Visa Sponsorship: Not available
🔹 Relocation Assistance: Not available

💡 Why This Role?
🔹 Work on complex, enterprise-scale voice systems
🔹 High level of autonomy and technical ownership
🔹 Opportunity to make a real impact in a fast-paced, innovative environment

System Test Engineer - USA, Horsham PA - $67,000 - $78,000

System Test Engineer

USA, Horsham PA

$67,000 - $78,000

Job Description

·        This is a Hybrid position and the candidate must work in person out of Horsham PA 3 days a week

·        Cannot offer visa sponsorship. Must be US Citizens or Green Card holders

·        Candidates must be local, will not consider non local candidates

If you wish to be a part of a team dedicated to delivering industry-leading performance through outstanding talent, and a culture of innovation and collaboration, then this is an opportunity you won't want to miss!

Our company is hiring a System Test Engineer in Horsham PA. This is a hybrid opportunity that will allow the incumbent to participate in our Flex@Work program.

How You'll Help us Connect The World:

As a member of our PON System/Interoperation Lab this position is responsible towards integration and test of the Passive Optical Network (PON) system. This includes network side design for 100G layer2/3 Networks. Decomposition of system and customer requirements into executable test cases and execution of system tests in a lab-based environment.

This includes:

·        Layer2/3 Network configuration and design

·        Router/switch configuration and support

·        Test case writing based on listed system requirements

·        Test execution in a lab environment

·        Test thread construction, configuration, and maintenance

·        Report writing with test results and failure analysis

·        Presentation to management and customers on test results

·        Working with development teams to find root cause of failures

Required Qualifications for Consideration:

·        Bachelor’s in Engineering, Computer Science, or related field with 0-4 years of related work experience

·        Knowledge of Network Design and Router Configuration

You Will Excite Us If You Have:

·        Test Execution and development experience along with test automation experience via Python/TCL.

·        Experience working independently in a small fast paced team

·        Knowledge of GPON/EPON/XGS PON

·        Troubleshooting and root cause analysis capabilities

·        Knowledge of Kubernetes, Virtual Machines, traffic engineering, IPv4 and IPv6, SIP, DHCP

Sponsorship: This position is not eligible for employment-based immigration sponsorship and applicants must be authorized to work in the United States.

Perks & Benefits:

The candidate will be rewarded with a comprehensive benefits package, including paid vacation, medical, dental, and vision plans, life and accidental death insurance, a 401(k) plan and participation in the Company’s Annual Incentive Plan.

Here, you will find a collaborative culture that encourages authenticity and champions inclusiveness. Come connect to your future!