Senior Network Engineer

Semtech; Colorado Springs (CO); Hybrid; USD 94,000 - 147,000; Full time

Job summary

Semtech is seeking a Senior Network Engineer to design, implement, and operate its global network across 30+ sites in NA, EMEA, and APAC. You will lead the migration from current firewall infrastructure to a Zscaler-based zero-trust architecture, while owning LAN/WAN, cloud networking in AWS/Azure, and ongoing security and performance improvements.

Be part of a fast-growing semiconductor IT Infrastructure team, collaborating with Security and Cloud teams to ensure resilience and scalable

Qualifications

• 8 years of information technology experience.
• 3+ years in a dedicated network engineering role.
• Hands-on with Palo Alto firewalls and routing.
• Hands-on with Cisco switches.
• Hands-on with Zscaler.
• Network architecture experience preferred.
• Bachelor's degree or technical training or equivalent work experience.

Responsibilities

• Design and Architecture: plan and build scalable, reliable LAN/WAN and cloud connectivity.
• Configuration and Deployment: install and manage core networking hardware and services.
• Monitoring and Optimization: monitor performance and tune systems to prevent downtime.
• Troubleshooting and Incident Response: diagnose and resolve complex network outages across multi-vendor environments.
• Security Management: implement network security controls and VPNs.
• Planning and Documentation: maintain diagrams and comply with change control processes.

Skills

Networking principles

Network design

Security concepts

Troubleshooting

Cross-functional collaboration

Education

Bachelor's degree in CS/IT or related field

Equivalent work experience

Tools

Palo Alto firewalls

Zscaler

Cisco switches

Aryaka SD-WAN

AWS/Azure networking

Job description

Location: Colorado Springs, CO (preferred); Burlington, ON; Ottawa, ON; or Richmond, BC - Hybrid (4 days in office, Friday remote)

Our Team

The IT Infrastructure team at Semtech supports a global workforce of approximately 2,100 users across 30+ sites in North America, EMEA, and APAC, owning the full stack from on-premises virtualization, enterprise networking, cloud platforms and servers. The team drives strategic initiatives while maintaining day-to-day reliability of all systems. Members collaborate cross-functionally with security, EDA/engineering, and business stakeholders to design and deliver scalable, resilient solutions across a complex, distributed environment.

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 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

The intent of this job description is to describe the major duties and responsibilities performed by incumbents of this job. Incumbents may be required to perform job-related tasks other than those specifically included in this description.

All duties and responsibilities are essential job functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities.

We are proud to be an EEO employer M/F/D/V. We maintain a drug-free workplace.

A reasonable estimate of the base pay range for this position is USD $94,000 - $147,000 or CAD $86,000 - $123,000. There are several factors taken into consideration in determining base salary, including but not limited to: job-related qualifications, skills, education and experience, as well as job location and the value of other elements of an employee's total compensation package.