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VoltaGrid

engineering opportunity

Senior Network Engineer, Fortinet

The Senior Network Engineer is responsible for designing, deploying, and optimizing secure network infrastructures using Fortinet and Cisco platforms. They also serve as a Tier 3 escalation point for complex network issues and ensure compliance with security best practices.

Texas, United StatesonsiteFULL_TIME

Posted

About the role

What will you do at VoltaGrid?

Position Title: SR. NETWORK ENGINEER

Location: HOUSTON

FLSA Class: NON-EXEMPT

Responsible to: SR. MANAGER NETWORK & COMMUNICATIONS

Position Summary: We are seeking a highly skilled Sr. Network Engineer to join our team in Houston, TX. This role is integral to designing, implementing, and optimizing our network infrastructure to support organizational growth and ensure reliable connectivity.

The ideal candidate will bring advanced expertise in routing, network architecture, and hands-on experience with routers, switches, firewalls, and VPNs.

This position requires a proactive individual with strong analytical skills, deep technical knowledge, and the ability to work cross-functionally to support business continuity and innovation.

Essential Duties and

Responsibilities

  • Network Architecture & Engineering
  • * Design, deploy, and support advanced network solutions using Fortinet security and networking platforms (FortiGate, FortiManager, FortiAnalyzer, FortiAP, FortiSwitch, etc.).
  • * Architect secure, resilient, and scalable network infrastructures across VoltaGrid environments.
  • * Configure and manage firewalls, SD-WAN, IPS/IDS, VPN solutions, and segmentation strategies.
  • * Implement and optimize routing and switching (OSPF, BGP, static routing, VLANs, Layer 2/3 architectures).
  • Advanced Support & Escalations
  • * Serve as Tier 3 escalation point for complex network issues across customer environments.
  • * Troubleshoot end-to-end connectivity, performance, security, and routing problems.
  • * Perform packet captures, flow analysis, and deep-dive diagnostics across multi-vendor platforms.
  • Security & Compliance
  • * Ensure networks follow security best practices, including segmentation, hardening, and secure remote access.
  • * Configure and maintain security profiles (web filtering, application control, AV, IPS/IDS, SSL inspection).
  • * Assist with compliance initiatives as they relate to secure networking design.
  • Communication
  • * Present architecture recommendations, roadmaps, and project deliverables in a clear and professional manner.
  • * Provide written documentation, network diagrams, post-migration reports, and runbooks.
  • * Other duties as assigned.
  • Other Requirements/Certifications:
  • * Minimum of (5) five years’ experience in network engineer roles.
  • * Fortinet NSE certifications (NSE 4, NSE 5, NSE 6, or NSE 7).
  • * Cisco certifications (CCNP Security, CCNP Enterprise, etc.).
  • * Deep expertise in Fortinet platforms (FortiGate, FortiManager, FortiAnalyzer).
  • * Strong proficiency in networking: routing, switching, VLANs, VPN, SD-WAN, wireless, and network security.
  • * Experience with Cisco firewalls, routers, switches, and wireless solutions.
  • * Extensive hands-on experience with network troubleshooting, performance tuning, and packet-level analysis.
  • * Ability to travel 20-30% Annually.
  • * Ability to support emergency network outages evenings and weekends.
  • * Ability to organize, schedule, and prioritize departmental and individual work to meet various schedules and objectives.
  • * Strong analytical skills and logical thought processes, with the ability to identify and resolve sophisticated issues/problems
  • The above statements are intended to describe the general nature and level of work being performed by employees assigned to this classification. All personnel may be required to perform duties outside of their normal responsibilities from time to time, as needed.
  • VoltaGrid is an Equal Opportunity Employer that does not discriminate on the basis of actual or perceived race, creed, color, religion, alienage or national origin, ancestry, citizenship status, age, disability or handicap, sex, marital status, veteran status, sexual orientation, genetic information, arrest record, or any other characteristic protected by applicable federal, state or local laws.
  • Our management team is dedicated to this policy with respect to recruitment, hiring, placement, promotion, transfer, training, compensation, benefits, employee activities, and general treatment during employment. #GC #LI-KM1

Which skills does this role require?

Network ArchitectureFortinetRoutingSwitchingFirewallsVPNSD-WANOSPFBGPVLANNetwork SecurityTroubleshootingPacket AnalysisCiscoNetwork InfrastructureNetwork EngineerFortiGateFortiManagerFortiAnalyzerFirewallNSE 4NSE 5NSE 6NSE 7CCNP SecurityCCNP EnterprisePacket CaptureFlow AnalysisInfrastructureBusiness ContinuitySegmentationHardeningIPS/IDSSSL InspectionProduct Strategy

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