U.S. Citizens or Green Card Holders Only – No Sponsorship Available

Our client is a global software company that develops communication platforms used in mission-critical environments. Their customers include public safety organizations, transportation companies, utilities, defense organizations, and large enterprises where reliable communication is essential.

They are seeking a Lead Application Support Engineer with strong Linux expertise to support their communication platform after deployment to customers. This is a hands-on technical leadership role focused on troubleshooting complex production issues, performing root-cause analysis, and guiding a team of support engineers.

The ideal candidate is someone who is highly comfortable working in Linux environments, using command-line tools, reviewing logs and traces, and troubleshooting issues across the application, operating system, and customer infrastructure layers.

This is not a traditional Linux administrator, network engineer, or software development role. This position requires someone who can investigate why a production application is failing and determine whether the issue is within the application, Linux environment, network, or an integrated system.

Responsibilities:

• Lead and mentor a team of Application Support Engineers while serving as a senior technical escalation point
• Troubleshoot complex production issues within Linux-based application environments
• Analyze logs, traces, and system behavior using Linux command-line tools
• Perform root-cause analysis across application, OS, and networking layers
• Troubleshoot SIP and communication platform issues
• Analyze Wireshark traces and network captures
• Work directly with customer engineering teams to resolve technical issues
• Collaborate with development teams by identifying bugs and providing technical findings
• Create MOPs (Methods of Procedure) for production changes, upgrades, and maintenance activities

Required Qualifications:

• 7+ years of experience supporting production applications in Linux environments
• Strong hands-on experience with Red Hat Linux or similar Linux operating systems
• Advanced Linux command-line troubleshooting skills
• Experience analyzing logs, traces, and system performance issues
• Strong networking fundamentals (TCP/IP, DNS, troubleshooting)
• Experience with SIP or VoIP technologies
• Ability to analyze Wireshark captures
• Strong customer-facing communication skills
• Previous experience as a Lead Engineer, Technical Lead, or mentor preferred

Preferred Experience:

• Telecommunications, VoIP, IMS, or carrier-grade communication platforms
• Linux scripting
• VMware vSphere
• Diameter protocol
• Cisco IOS

Pay: $150,000.00 - $170,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Employee assistance program
• Health insurance
• Paid time off
• Professional development assistance
• Retirement plan
• Vision insurance

Work Location: Hybrid remote in Jersey City, NJ 07307