Sr Network Engineer

The Company

Dexcom Corporation (NASDAQ DXCM) is a pioneer and global leader in continuous glucose monitoring (CGM). Dexcom began as a small company with a big dream: To forever change how diabetes is managed. To unlock information and insights that drive better health outcomes. Here we are 25 years later, having pioneered an industry. And were just getting started. We are broadening our vision beyond diabetes to empower people to take control of health. That means personalized, actionable insights aimed at solving important health challenges. To continue what weve started: Improving human health.

We are driven by thousands of ambitious, passionate people worldwide who are willing to fight like warriors to earn the trust of our customers by listening, serving with integrity, thinking big, and being dependable. Weve already changed millions of lives and were ready to change millions more. Our future ambition is to become a leading consumer health technology company while continuing to develop solutions for serious health conditions. Well get there by constantly reinventing unique biosensing-technology experiences. Though weve come a long way from our small company days, our dreams are bigger than ever. The opportunity to improve health on a global scale stands before us.

Meet The Team

The IT Network & Systems Services Team is a global organization that supports all critical infrastructure services with a security and automation first mindset and practice. The team is involved in many projects to improve our capabilities and services offered to the entire company. We lead the way in setting the standards and best practices for running and maintaining such platforms.

The Senior Network Engineer will be responsible for designing, implementing, maintaining, and optimizing enterprise network infrastructure. This role requires a deep understanding of network technologies and the ability to support and enable complex projects. The ideal candidate will ensure the reliability, security, and efficiency of our network to support our business operations.

Where You Come In

• Design scalable and secure enterprise network architectures (LAN, WAN, WLAN, SD‑WAN, Data Center).
• Evaluate new network technologies and recommend improvements or upgrades.
• Deploy, configure, and maintain network hardware such as routers, switches, firewalls, wireless controllers, load balancers, and VPN devices.
• Manage and optimize routing protocols (BGP, OSPF, EIGRP) and Layer 2 technologies (VLANs, STP, EtherChannel).
• Partner with infrastructure, cloud, security, and application teams to support enterprise initiatives. Work with InfoSec teams to enforce network security policies and controls.
• Utilize monitoring tools such as SolarWinds, PRTG, Cisco Catalyst Center, or equivalent to monitor network performance and proactively remediate issues.
• Participate in security incident response related to network events.
• Maintain comprehensive documentation (network diagrams, inventories, SOPs).
• Support audit, compliance, and change‑management processes.
• Engage with vendors for equipment lifecycle planning, support cases, and new technology evaluations.
  
  

• 5+ years of experience in network engineering.
• Proven experience in designing and managing large-scale network infrastructure.
• Strong knowledge of network protocols, routing, switching, and security technologies.
• Proficiency in network-related programming languages and scripting (e.g., Python, PowerShell, Bash).
• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal skills.
• Ability to work effectively in a fast-paced, dynamic environment.
• Strong experience in managing complete infrastructure including the following technologies:
• Routing/Switching/Wireless (Cisco, Extreme)
• Firewalls (Palo Alto)
• VPN (Palo Alto, Cisco)
• NAC (ForeScout)
• Load Balancing (Citrix NetScaler)
• SD-WAN (Palo Alto, Fortinet)
• Relevant certifications (e.g., CCNP, CCIE) are highly desirable.
  

• A front row seat to life changing CGM technology. Learn about our brave #dexcomwarriors community.
• A full and comprehensive benefits program.
• Growth opportunities on a global scale.
• Access to career development through in-house learning programs and/or qualified tuition reimbursement.
• An exciting and innovative, industry-leading organization committed to our employees, customers, and the communities we serve.
  
  

• Typically requires a Bachelor’s degree in a technical discipline, and a minimum of 5-8 years related experience or Master’s degree and 2-5 years equivalent industry experience or a PhD and 0-2 years experience.
  
  

• 15-25%