Senior Network Engineer

Holtsville, NY, US • Posted 9 hours ago • Updated 9 hours ago
Contract Independent
Contract W2
Contract Corp To Corp
Travel Required
On-site
Fitment

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Job Details

Skills

  • Zscaler

Summary


Role: Senior Network Engineer

Location: Johnston RI / Holtsville NY / Lincolnshire IL (100% Onsite )

Contract

What We're Looking For:

Looking for a Senior Network Engineer and play a crucial role in building, optimizing, and securing our global IT infrastructure. In this position, you will be a key driver in deploying enterprise-class network solutions and ensuring seamless connectivity across our operations worldwide

If you are a tech-driven problem solver who thrives in a collaborative, large-scale IT environment, enjoys mentoring teammates, and wants to work hands-on with cutting-edge network and security tools, we want you to help power our infrastructure.

What You Will Do:

Design, Deployment & Strategy

  • Build the Network: Partner with IT architects to design, configure, and implement advanced enterprise network and security solutions that align with business goals.
  • Technology Evaluation: Participate in Proof of Concept (PoC) testing for emerging technologies and recommend improvements for network optimization and cost-efficiency.
  • Implement Standards: Deploy, configure, and maintain LAN, WAN, VPN, firewalls, and routing hardware while ensuring strict adherence to enterprise architecture standards.
  • M&A Support: Contribute to network assessments for Mergers and Acquisitions (M&A), executing integration plans to standardize newly acquired environments safely and efficiently.

Security, Resilience & Compliance

  • Disaster Recovery: Support business continuity by deploying resilient infrastructures that facilitate critical Disaster Recovery and Cyber Recovery operations.
  • Security Posture Optimization: Routinely assess network security protocols, implement necessary upgrades, and execute risk-mitigation strategies within structured change control frameworks.
  • Ensure Compliance: Maintain operational compliance with internal policies and industry standards, providing critical validation for high-stakes network security modifications.

Operations, Support & Mentorship

  • Advanced Escalation Point: Act as a Level 3 support specialist to quickly diagnose and resolve complex network, routing, and security incidents, including participating in an on-call rotation.
  • Project Execution: Take ownership of specific IT project deliverables, ensuring system upgrades and deployments are completed on time.
  • Knowledge Sharing: Promote a culture of continuous learning by mentoring junior engineers and creating comprehensive High-Level Designs (HLD), Low-Level Designs (LLD), and standard operating procedures (SOPs).

Core Networking, Cloud & Security Expertise

  • Networking Fundamentals: Strong foundational knowledge of data networking, routing protocols (BGP, OSPF), TCP/IP, directory services, and complex LAN/WAN topologies.
  • Cloud & WAN Connectivity: Experience managing routing metrics for WAN environments and a solid grasp of secure intra/inter-cloud routing across major providers (AWS, Azure, Google Cloud Platform).
  • Security Acumen: Thorough understanding of zero-trust architectures, cryptography, and modern security protocols to protect against known and emerging system vulnerabilities.

Professional Skills

  • Team Collaboration: A collaborative mindset with the ability to guide cross-functional teams and lead technical initiatives by example.
  • Customer-Focused: Highly empathetic to cultural differences within a global workforce and dedicated to delivering exceptional IT support.
  • Analytical Thinking: Exceptional troubleshooting abilities under pressure, combined with the communication skills needed to translate technical issues to business stakeholders.

Minimum Qualifications:

  • Bachelor's degree in Information Technology, Computer Science, Engineering, or a related discipline (or equivalent practical experience).
  • Minimum of 5+ years of hands-on experience in enterprise network engineering, security, and infrastructure deployment.
  • Proven track record of supporting large-scale, complex, and highly available global IT environments.
  • Zscaler Zero Trust Ecosystem: Comprehensive experience managing Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), Zscaler Digital Experience (ZDX), and Zscaler Branch Connectors (ZTB).
  • Data Center Automation & Visibility: Practical experience operating Cisco Nexus Dashboard for centralized fabric management, proactive monitoring, and operational automation in complex data centers.
  • Enterprise Wireless & Edge: Strong background in deploying and managing HPE Mist Wireless, Cisco Meraki, and Cisco Enterprise Wireless environments.
  • Next-Generation Firewalls: Extensive background supporting Palo Alto Firewalls. Holding an active Palo Alto Networks Certified Network Security Engineer (PCNSE) or Administrator (PCNSA) certification is highly preferred to validate this expertise.
  • Travel Requirements: Ability and willingness to travel up to 10% globally or domestically to support major implementations and M&A integration projects.

Certifications

  • CCNP/CCIE (Enterprise and/or Data Center)
  • JNCIP-MistAI
  • Zscaler Digital Transformation Engineer (ZDTE)
  • CISSP or PCNSE
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
  • Dice Id: 10124157
  • Position Id: 2026-32999
  • Posted 9 hours ago
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