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

Category Manager – Direct Materials | Strategic Sourcing, SAP, Manufacturing | Denver, CO (Hybrid)

Category Manager – Direct Materials

📍 Location: Denver, Colorado (Hybrid – 3 days onsite / 2 days remote)
💼 Employment Type: Full-Time
🎓 Education: Bachelor’s Degree required
📈 Experience Level: Mid-Senior
🕒 Experience Required: 5–7+ years
✈️ Travel: Occasional
🌎 Visa Sponsorship: Not available
🚚 Relocation Assistance: Not available

Role Overview

We are seeking a Category Manager – Direct Materials to lead strategic sourcing initiatives across a multi-site manufacturing environment.

This role is responsible for optimising cost, quality, and supply continuity, while driving supplier performance and supporting innovation through strong cross-functional collaboration with R&D, Product, and Operations teams.

Key Responsibilities

Strategic Sourcing & Cost Optimisation

• Develop and execute data-driven category strategies for direct/raw materials

• Build and maintain should-cost models to support negotiations and pricing decisions

• Deliver year-over-year cost savings through:

• Strategic negotiations

• Competitive sourcing events

• Supplier rationalisation

• Value engineering initiatives

• Track and report performance using KPIs, scorecards, and executive updates

Supplier & Contract Management

• Manage supplier relationships to ensure:

• Quality performance

• Cost competitiveness

• Supply reliability

• Lead supplier development initiatives to improve capability and alignment

• Own contract lifecycle management, including compliance and renewals

• Manage $20M+ spend categories

Project & Cross-Functional Leadership

• Lead cross-functional teams across:

• R&D

• Product Management

• Operations

• Finance

• Quality

• Support:

• New supplier qualification

• New product introductions (NPI)

• Material evaluation and innovation initiatives

• Act as the primary commercial interface across multiple facilities

Risk Management & Supply Continuity

• Proactively identify and mitigate supply chain risks

• Develop and implement contingency plans

• Lead root cause analysis and corrective actions for supply disruptions

• Ensure uninterrupted supply of critical materials

Process Improvement

• Identify and implement process improvements to increase efficiency

• Streamline sourcing and supply chain operations

• Drive adoption of best practices across the organisation

Required Qualifications

• Bachelor’s degree required

• 5+ years of experience in supply chain or sourcing, including:

• At least 3 years sourcing within a large/complex organisation

• Proven experience sourcing direct/raw materials in manufacturing environments

• Experience managing $20M+ spend categories

• Strong contract negotiation and supplier management experience

Technical Skills

• Expertise in should-cost modelling and cost analysis

• Strong understanding of commodity/category management principles

• Experience with e-sourcing tools

• Proficiency with:

• SAP or similar ERP systems

• Microsoft Excel, PowerPoint, Word, Outlook

Preferred Qualifications

• CPSM (Certified Professional in Supply Management) certification

• Experience supporting new product development or R&D initiatives

• Background in multi-site manufacturing environments

Key Competencies

• Strong analytical and strategic thinking skills

• Excellent communication and stakeholder management abilities

• Proven ability to lead cross-functional teams

• Proactive, collaborative mindset with focus on continuous improvement

• Ability to present insights to senior and non-technical stakeholders

Ideal Candidate

The ideal candidate will:

• Have direct experience sourcing raw/direct materials within manufacturing

• Be comfortable managing large spend categories and complex supplier networks

• Demonstrate strong commercial acumen and negotiation capability

• Thrive in a cross-functional, fast-paced environment

• Have a track record of delivering cost savings and supplier performance improvements

Benefits

• Comprehensive benefits package

• Health and wellbeing coverage

• Paid time off

• Additional employee benefits

Screening Question

• Do you have experience sourcing raw or direct materials for manufacturing plants?