Senior Support Network Engineer

Senior Support Network Engineer – Remote

Position Type: Full-Time, Remote

Working Hours: U.S. Business Hours

About the Role

At the company, one of our clients is hiring a Senior Support Network Engineer to support and maintain ISP and fixed wireless network infrastructure while delivering exceptional technical support to U.S.-based B2B customers.

This is a customer-facing role requiring strong networking expertise, excellent communication skills, and hands-on experience with wireless networking technologies, routing, switching, and network troubleshooting. You’ll play a key role in maintaining high network availability, resolving technical issues, and supporting mission-critical connectivity solutions.

What You’ll Do

Network Operations & Support

• Provide technical support to U.S.-based B2B customers.

• Configure, manage, and troubleshoot MikroTik and Cisco routers and switches across core and edge ISP networks.

• Monitor network performance, resolve outages, and ensure high network availability.

• Diagnose and resolve complex network issues in a timely manner.

Fixed Wireless Infrastructure

• Plan, deploy, and troubleshoot Fixed Wireless Access (FWA) infrastructure.

• Support Point-to-Point (PTP) and Point-to-Multipoint (PTMP) wireless links.

• Work with wireless platforms including:

• Cambium

• Ubiquiti / UniFi

• Aviat

• Siklu / Ceragon

• Support fixed wireless, managed Wi-Fi, Starlink, and wireless mesh/backhaul solutions.

Routing & Network Management

• Implement and maintain dynamic routing protocols, including:

• OSPF

• BGP

• Maintain reliable routing across ISP network infrastructure.

• Support network performance optimization and stability.

Required Experience & Skills

• Flawless written and verbal English communication skills.

• Previous experience in customer-facing technical support roles.

• Hands-on experience with fixed wireless/WISP technologies, including:

• Starlink

• Managed Wi-Fi

• Cambium

• Ubiquiti / UniFi

• Siklu / Ceragon

• Strong experience configuring and troubleshooting MikroTik and Cisco networking equipment.

• Experience implementing and supporting OSPF and BGP .

• Experience deploying and troubleshooting PTP and PTMP wireless networks.

• Strong troubleshooting and problem-solving skills.

Nice to Have

• Experience with cloud networking in AWS, Azure, GCP, or similar platforms.

• ITSM experience, preferably with Salesforce.

• Experience with:

• Starlink

• 4G/5G networking

• Peplink SD-WAN

• Network certifications such as:

• CCNA

• Network+

• Equivalent certifications

What a Typical Day Looks Like

• Monitor network health and respond to customer support requests.

• Troubleshoot routing, switching, and wireless connectivity issues.

• Configure and maintain MikroTik and Cisco network devices.

• Support fixed wireless infrastructure and resolve outages.

• Work directly with customers to diagnose and resolve technical issues.

• Collaborate with internal teams to maintain reliable network operations.

In short: You’ll support, troubleshoot, and optimize ISP and fixed wireless network infrastructure while delivering exceptional technical support to B2B customers.

Interview Process

• Application Review

• Spark Hire Intro Video (3–5 minutes)

• Technical Interview

• Client Interview

• Offer & Onboarding

What Happens After You Apply

After submitting your application, you’ll receive an email invitation from Spark Hire to record a short 3–5 minute Intro Video . This is the first step in our hiring process and can be completed whenever it’s convenient for you.

Instead of multiple screening calls, you’ll have one opportunity to introduce yourself, discuss your networking experience, and highlight your expertise with fixed wireless technologies, MikroTik, Cisco, routing protocols, and customer support. Your video will be reviewed before moving forward in the interview process.

You can record your video as many times as you’d like before submitting it—only your final version will be reviewed.

Please keep an eye on both your inbox and spam folder for your Spark Hire invitation after applying.

Apply Now

If you’re passionate about networking, wireless infrastructure, and delivering outstanding customer support, we’d love to hear from you. Apply today and join a team dedicated to building and maintaining reliable network solutions.