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network engineer

3B Staffing LLC

Senior Network Engineer


Location: Philadelphia, PA


rate- $80hr C2C


cleint- Amtrack- reailway transport
Duration: Contract
Work Mode: 5 Days Onsite



Visa- NO H1-B

Position Overview


We are seeking a highly experienced Senior Network Engineer with 15+ years of hands-on enterprise networking experience. The ideal candidate will possess deep expertise in routing protocols (BGP, EIGRP), Cisco firewall technologies, and enterprise-scale network infrastructure design. Experience with migration from Cisco ASA to Cisco Secure Firewall Threat Defense (FTD) is mandatory.

Key Responsibilities

  • Design, develop, install, and maintain enterprise network infrastructure including routers, switches, and related equipment
  • Implement and manage network security solutions including firewalls, ACLs, and object groups
  • Lead migration efforts from Cisco ASA to Cisco Secure Firewall Threat Defense (FTD)
  • Configure and support routing protocols including BGP and EIGRP (MUST HAVE)
  • Monitor network performance and proactively troubleshoot outages and performance issues
  • Perform firmware and software upgrades and routine network maintenance
  • Provide remote and onsite technical support to internal teams and business users
  • Test, deploy, and support new network hardware, software, and applications
  • Develop detailed engineering design documentation for integrating new technologies
  • Collaborate with clients, vendors, and cross-functional technical teams
  • Develop strategic roadmaps for infrastructure upgrades and enhancements
  • Participate in audits, quality reviews, and compliance initiatives
  • Follow structured change management processes with awareness of downtime impact in industrial environments
  • Perform additional duties as required
Required Skills & Experience
  • 15+ years of Network Engineering experience in large enterprise or industrial environments
  • Strong expertise in Routing protocols: BGP and EIGRP (Mandatory)
  • Hands-on experience with Cisco Firewalls
  • Proven experience migrating from Cisco ASA to Cisco Secure Firewall Threat Defense.
  • Experience implementing and managing new network deployments and firewall migrations
  • Strong troubleshooting, analytical, and problem-solving skills
  • Ability to work independently with minimal supervision
  • Excellent communication skills (written and verbal)
  • Ability to manage multiple priorities with strong attention to detail
Education & Certifications
  • Bachelor's degree in Computer Science, Information Technology, or related IT/OT discipline
  • Active Cisco CCNP certification preferred
  • Other Cisco certifications are a strong plus
  • CCIE certifications is plus.
  • Siemens CPIN-level equivalent certification is acceptable
Vacancy posted 20 hours ago
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