Senior Network Engineer – Tier 3

About the role

Acuative is seeking a Senior Network Engineer – Tier 3 to act as the top technical authority for designing, architecting, and deploying complex, large‑scale enterprise network solutions across its global infrastructure.

Key responsibilities

• Lead high‑level and low‑level design (HLD/LLD) of core routing, spine‑and‑leaf, and multi‑vendor security architectures.
• Conduct advanced capacity planning, performance modeling, and define technology roadmaps.
• Serve as SME for advanced security solutions such as SD‑WAN, Zero Trust and Network Access Control (NAC) ensuring compliance with policies and regulations.
• Integrate new technologies, vendors, and acquired environments into the existing global network.
• Design and manage hybrid and cloud connectivity across public cloud platforms (AWS, Azure).
• Establish best practices, standards, and operational procedures for Tier 1 and Tier 2 engineers.
• Provide technical mentorship, knowledge‑transfer sessions, and act as the final escalation point.

Required profile

• Senior‑level subject matter expert with extensive experience in large enterprise network design and deployment.
• Proven track record of leading complex network projects and driving technical innovation.
• Strong analytical and problem‑solving abilities with a focus on security and compliance.

Required skills

• MPLS, SD‑WAN, advanced BGP design, high‑availability architectures.
• Zero Trust architecture, Network Access Control (NAC), enterprise security solutions.
• Public cloud networking (AWS, Azure) and hybrid connectivity.
• Automation, orchestration tools and scripting for network provisioning.
• Experience with spine‑and‑leaf designs and multi‑vendor environments.