Linux Network Support Engineer – VoIP/SIP

Applicants must be U.S. citizens or permanent residents. Sponsorship is not available.

I’m looking for a talented Network Support Engineer with 5+ years of experience working on Linux systems (Red Hat or similar). This role is near Belleville, NJ, and requires someone who thrives on solving complex technical issues while collaborating closely with engineering teams.

What You’ll Do:

• Troubleshoot day-to-day issues on Linux platforms.
• Apply fixes and updates to systems.
• Write MOPs (Method of Procedure) for changes to production environments.
• Participate in meetings with customer engineering teams to discuss technical requirements and open issues.
• Report bugs and gather/analyze logs and traces for development teams.
• Attend maintenance windows to upgrade or patch production platforms.

Required Skills

• Strong Linux knowledge (Red Hat preferred)
• Networking fundamentals
• Experience with VoIP
• SIP knowledge
• Ability to analyze Wireshark traces
• Comfortable gathering and analyzing logs from Linux CLI
• Strong communication skills
• Proficiency with Office products

Nice-to-Have Skills:

• Linux scripting
• Basic PHP knowledge
• Understanding of Diameter protocol
• VMware vSphere experience
• Basic Cisco IOS knowledge

Why This Role is Exciting:

You’ll be working directly with customer engineering teams to solve real-world problems on production platforms. This is a hands-on role that combines Linux, networking, and SIP troubleshooting, offering a dynamic, collaborative environment for someone who enjoys tackling challenges and improving processes.

Work Authorization:

Applicants must have valid, independent authorization to work in the United States. This position does not offer, support, or accept any form of sponsorship—whether employer, third-party, future, contingent, transfer, or otherwise. Candidates must be able to work for any employer in the U.S. without current or future sponsorship of any kind. Work authorization will be verified, and misrepresentation will result in immediate removal from consideration.