Job Title: senior-level engineer Location: Middletown, NJ Duration: Long Term Contract Looking for W2 Candidates. No C2C We are looking for a senior-level engineer who combines deep 4G/5G mobility network expertise with 5+ years of real software development experience. The ideal candidate can operate confidently across both domains and engage directly with technical client stakeholders. Key Requirements (Must Have): Strong hands-on experience with 4G/5G mobile networks (RAN/Core, call flows,