Linux Application Support Engineer

Are you skilled at diagnosing challenging Linux issues and figuring out why complex software isn't behaving as expected? This opportunity is ideal for someone who enjoys hands-on troubleshooting, technical investigation, and solving problems that directly impact critical communications systems.

Our client is an international software provider supporting organizations across public safety, transportation, utilities, defense, and enterprise markets. Their technology helps keep essential communications systems operating reliably.

This position centers on application-level troubleshooting within Linux environments. You'll investigate issues across the software, operating system, and customer infrastructure rather than focusing on traditional system administration or software development.

What You'll Do

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• Troubleshoot and resolve complex issues affecting production communications applications in customer environments.
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• Use Red Hat Enterprise Linux command-line utilities to examine logs, processes, services, traces, and system activity.
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• Conduct root cause investigations across application software, operating systems, network connectivity, configurations, and third-party integrations.
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• Analyze network traffic and connectivity issues using tools such as Wireshark and tcpdump.
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• Assist with applications deployed in virtualized environments, including VMware.
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• Collaborate with engineering and other technical teams to diagnose challenging issues and implement solutions.
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• Maintain technical documentation, troubleshooting records, and support procedures.
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• Join a scheduled on-call rotation following approximately six months of training.
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What We're Looking For

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• Practical experience troubleshooting Linux systems, preferably Red Hat Enterprise Linux (RHEL).
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• Background supporting software applications in production, enterprise, or customer-facing environments.
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• Ability to work comfortably in a Linux command-line environment and interpret logs, traces, processes, and services.
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• Strong analytical skills with an emphasis on identifying underlying causes rather than just symptoms.
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• Understanding of how applications, operating systems, networks, and integrated systems interact.
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• Familiarity with network diagnostic tools such as Wireshark or tcpdump.
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• Exposure to VMware or comparable virtualization technologies is beneficial.
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Experience with telecommunications platforms, VoIP, SIP, or IP-based communications is a plus, especially in environments where software is installed and supported within customer infrastructure.

Compensation & Details

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• Salary: $125,000–$130,000
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• Location: Newark, NJ area
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• Work Arrangement: Hybrid, with time in the office
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• On-Call: Rotational coverage begins after approximately six months of training
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• Work Authorization: U.S. citizens and Green Card holders only. Visa sponsorship is not available.
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Interested?

If you enjoy digging into technical issues, working hands-on with Linux, and solving problems in complex software environments, I'd welcome the opportunity to connect.