Senior Network Engineer

reDesign

Senior Network Engineer providing advanced networking expertise within Managed Services organization. Leading critical network incident investigations and resolutions while mentoring junior engineers.

Posted 5/19/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $120,000 - $160,000 per yearWebsite

Tech Stack

Tools & technologies

FirewallsTCP/IPVMware

About the role

Key responsibilities & impact

Provide advanced networking expertise within the Managed Services organization and serve as a subject matter expert and senior escalation point for complex network and firewall issues.
Own the full lifecycle of complex network and firewall incidents, from detection through resolution and post-incident review, ensuring accountability for technical outcomes, stability, and documentation.
Lead investigation and resolution of critical network incidents, driving coordination across internal teams, vendors, and customer stakeholders.
Make technical decisions and take end-to-end ownership of network issues, driving resolution without reliance on further escalation.
Lead technical delivery of network projects, including scoping, estimation, design, and implementation.
Perform root cause analysis and develop long-term remediation strategies to prevent recurrence.
Validate and approve network changes, designs, and remediation strategies.
Configure, maintain, and troubleshoot Cisco, Palo Alto, and Fortinet networking and firewall equipment.
Conduct targeted cleanup and improvements of existing network environments to ensure stability and scalability, minimizing customer downtime.
Collaborate with the security team to ensure proper network hardening is in place and that all risks are properly mitigated or remediated.
Provide technical guidance and mentorship to junior engineers.
Contribute to architecture documentation, diagrams, and operational runbooks.
Maintain awareness of developments within the networking and security technology landscape, recommending new solutions when necessary.
Accurately track time and project activities within the company's time tracking system.

Requirements

What you’ll need

10+ years of experience within an MSP, VAR, ISP, NOC, or enterprise IT environment, with a focus on troubleshooting and maintaining existing network infrastructure.
Advanced, hands-on experience managing enterprise firewalls across multiple platforms — including Cisco (ASA/FTD/FMC), Palo Alto Networks (PAN-OS, Panorama), and Fortinet (FortiGate, FortiManager) — including policy design, rule optimization, VPN configuration, and threat prevention.
Strong knowledge of networking protocols and technologies including TCP/IP, OSPF, BGP, EIGRP, IPSec, SNMP, STP, VTP, and VLANs.
Strong knowledge of network infrastructure within virtualized environments using VMware or similar platforms, including virtual networking, VLAN configurations, virtual switches, and network segmentation.
Experience troubleshooting performance and connectivity issues across different OSI layers.
Experience with application-level network troubleshooting, including packet inspection and analysis.
Proven experience optimizing, securing, and consolidating complex legacy network environments to meet current and future business needs.
Excellent interpersonal and communication skills, with a customer-first approach to resolving network issues.
Preferred Qualifications: Active CCNP certification or equivalent (Palo Alto PCNSE or Fortinet NSE 4/7 also valued).

Benefits

Comp & perks

Medical Insurance
Dental Insurance
Vision Insurance
401(k) retirement plan with company match (annual dollar cap applied)
Flexible time off plan
15 paid holidays
Sick leave (amount varies by state requirements and is at least the minimum required by any state)
Short-term and long-term disability
Life insurance
Paid parental leave

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

networkingfirewall managementroot cause analysisnetwork configurationpolicy designVPN configurationpacket inspectionnetwork troubleshootingvirtual networkingnetwork segmentation

Soft Skills

interpersonal skillscommunication skillstechnical guidancementorshipcustomer-first approachleadershipcollaborationaccountabilityproblem-solvingproject management

Certifications

CCNPPalo Alto PCNSEFortinet NSE 4Fortinet NSE 7