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