Job Description: Senior Network Engineer
Location: Atlanta, GA(Onsite)
Job Summary
This role requires both hands-on technical depth and the ability to contribute to long-term infrastructure strategy in a fast-moving semiconductor company. The Senior Network Engineer is responsible for the design, implementation, and operational excellence of Semtech's global network infrastructure, spanning 30+ sites across North America, EMEA, and APAC.
This role owns a broad technology portfolio including Palo Alto next-generation firewalls, Zscaler, Aryaka SD-WAN, LAN/WAN architecture, Cisco L2/L3 network devices, and cloud networking across AWS and Azure environments.
The first major initiative for this role will be leading Semtech's migration from its current firewall infrastructure to a Zscaler-based zero-trust architecture. Beyond that project, the role will continue to own the design, operation, and improvement of the global network, along with initiatives such as VPN modernization and cross-regional connectivity.
Working closely with the IT Infrastructure, Security, and Cloud teams, this role plays a key part in ensuring network resilience, performance, and security for a fast-growing global semiconductor company.
Responsibilities
- Design and Architecture: Plan and build scalable, reliable physical and wireless network infrastructures, including Local Area Networks (LANs), Wide Area Networks (WANs), and cloud connectivity. (8%)
- Configuration and Deployment: Install, configure, and manage core networking hardware and services such as routers, switches, firewalls, load balancers, DNS, and DHCP. (25%)
- Monitoring and Optimization: Observe network performance metrics, analyze traffic patterns, and perform system tuning to maximize efficiency and prevent downtime. (15%)
- Troubleshooting and Incident Response: Diagnose and resolve complex network outages, performance degradation, and connectivity faults across multi-vendor environments. (25%)
- Security Management: Implement network security controls, access policies, firewalls, and VPNs to protect corporate assets against cyber threats. (12%)
- Planning and Documentation: Maintain detailed architecture diagrams, manage compliance with change control processes, and evaluate emerging technologies. (15%)
Education and Experience
- 8 years of information technology experience.
- 3+ years of experience in a dedicated network engineering role.
- Hands-on experience with Palo Alto firewalls and routing.
- Hands-on experience with Cisco switches.
- Hands-on experience with Zscaler.
- Bachelor's degree or technical school training in Computer Science, Network Engineering, Information Technology, or a related field, or equivalent work experience.
- Network architecture experience preferred.
Qualifications
- Advanced knowledge of networking principles and practices.
- Comprehensive understanding of routing protocols, switching technologies, and network security.
- Expert proficiency with network management tools, monitoring systems, and security platforms.
- Meticulous attention to detail and accuracy in network design and implementation.
- Excellent organizational and time management skills.
- Superior written and verbal communication abilities.
- Advanced problem-solving capabilities with a systematic approach.
- Expert understanding of network security, compliance, and risk management.
- Demonstrated ability to influence and collaborate effectively across functions.
- Commitment to continuous learning and knowledge sharing.
- Comprehensive understanding of semiconductor industry network requirements.
- Advanced ability to analyze complex network issues and develop solutions.
- Experience with network automation and software-defined networking.
- Knowledge of cloud networking and hybrid connectivity models.
- Professional certification in networking (CCNP, PCNSE, Zscaler, etc.) preferred.
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