Linux Systems Administrator - Join Robert Half in Philadelphia, PA

Are you a seasoned Linux Systems Administrator with a passion for managing high-availability distributed access architecture systems? Robert Half is partnering with a leading telecommunications innovator in Philadelphia, Pennsylvania, United States to find a talented professional for this critical role. This position offers the chance to work on cutting-edge virtual cable modem termination systems (vCMTS), remote PHY (RPHY) deployments, and enterprise-grade network infrastructure in a dynamic 24/7 operations environment. If you excel in Unix/Linux administration, network troubleshooting, and scripting, this Linux Systems Administrator opportunity at Robert Half could be your next career milestone.

About the Role

As a Linux Systems Administrator, you will be at the forefront of supporting mission-critical systems that power broadband connectivity for millions. This full-time role involves deploying and maintaining vCMTS platforms, handling RPHY turn-ups, and ensuring seamless high availability across distributed networks. You'll collaborate with engineering teams to resolve incidents, optimize performance, and drive operational efficiencies. Located in the heart of Philadelphia, PA, this position is perfect for IT professionals seeking hands-on experience with Cisco and Juniper networking gear alongside robust Linux environments. Robert Half places top talent in roles like this, offering stability, growth, and exposure to advanced telecom technologies.

Key Responsibilities

Your day-to-day will be fast-paced and impactful. Here's what you'll tackle:

• Provide tiered operational support for enterprise network and systems environments, including monitoring and proactive maintenance.
• Troubleshoot and resolve complex issues across networks, servers, vCMTS, and RPHY infrastructure to minimize downtime.
• Support and maintain Cisco, Juniper, or equivalent networking platforms, ensuring optimal routing, switching, and connectivity.
• Administer Linux-based systems, including patch management, configuration, and performance tuning.
• Conduct root-cause analysis on recurring issues and implement long-term fixes to enhance system stability and reliability.
• Collaborate with cross-functional teams—such as network engineers, developers, and operations staff—during incident response and system outages.
• Participate in 24/7 on-call rotations for production troubleshooting and operational support activities.
• Assist in platform improvements, automation scripting, and initiatives to boost operational efficiencies in a high-stakes environment.

These responsibilities demand a proactive approach, where your expertise in Linux scripting and network diagnostics will directly contribute to service excellence.

Required Qualifications

To succeed, you'll need a blend of technical prowess and soft skills. Key qualifications include:

• 3+ years of hands-on experience as a Linux/Unix Systems Administrator in enterprise or telecom settings.
• Deep knowledge of Linux distributions (e.g., Red Hat, CentOS, Ubuntu) and Unix systems.
• Proven expertise in network troubleshooting, with familiarity in Cisco IOS, Juniper Junos, or similar platforms.
• Strong scripting skills in Bash, Python, or Perl for automation and task efficiency.
• Experience with vCMTS, RPHY, or distributed access architecture (DAA) systems is highly preferred.
• Ability to perform root-cause analysis using tools like Wireshark, tcpdump, and system logs.
• Comfortable in 24/7 operations with on-call responsibilities and cross-team collaboration.
• Bachelor's degree in Computer Science, IT, or related field; relevant certifications (RHCE, CCNA, JNCIA) are a plus.

We're looking for candidates who thrive in high-pressure scenarios and are committed to continuous learning in evolving telecom technologies.

Why Join Us at Robert Half?

Robert Half offers unparalleled support for your career. In this role, enjoy a competitive salary estimated at $110,000-$145,000 annually (based on Philadelphia market rates for Linux Systems Administrators), plus comprehensive benefits like health coverage, 401(k) matching, PTO, and professional development. Work in a collaborative Philadelphia office with modern tools and a focus on work-life balance despite 24/7 demands. Advance your career in telecom IT, gain exposure to vCMTS/RPHY innovations, and contribute to reliable broadband services. Robert Half's network opens doors to future opportunities. Apply now for this Linux Systems Administrator position and elevate your expertise!

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