Senior Network Engineer

New York, New York, US Until 8/23/2026 First posted June 14, 2025 Last posted June 14, 2025
Job description
Senior Network Engineer

We are seeking a Senior Network Engineer to join our dynamic team. The ideal candidate will be responsible for designing, implementing, and optimizing advanced network solutions, leveraging cutting-edge technologies to meet business objectives. This role requires a hands-on professional with a strong background in automation, who can collaborate effectively with cross-functional teams and drive innovation in network architecture.

Key Responsibilities:

  • Network Design & Architecture: Design and implement scalable, secure, and high-performance network solutions using Arista and Ciena technologies to support enterprise and service provider environments.
  • Technology Integration: Integrate Arista and Ciena platforms with existing network infrastructure, ensuring seamless interoperability and optimal performance.
  • Performance Optimization: Analyze and optimize network performance, ensuring low latency, high availability, and reliability across all systems.
  • Collaboration: Work closely with cross-functional teams, including cloud, security, and application teams, to ensure network solutions align with organizational goals.
  • Troubleshooting & Problem Resolution: Diagnose and resolve complex network issues across Arista and Ciena platforms, ensuring minimal downtime and maximum reliability.
  • Documentation: Create and maintain detailed network documentation, including architecture diagrams, configurations, and operational procedures.
  • Automation & Orchestration: Develop and deploy network automation solutions using tools such as Python, Ansible, and Terraform to streamline operations, reduce manual tasks, and improve efficiency.
  • Vendor Management: Collaborate with vendors (e.g., Arista, Ciena) to evaluate new technologies, manage procurement, and ensure timely delivery of solutions.
  • Innovation: Stay up to date with emerging technologies and industry trends, recommending and implementing innovative solutions to enhance network performance and automation capabilities.

Technical Skills:

  • Expertise in Arista Networks technologies, including spine-leaf architectures, VXLAN, and EVPN.
  • Superior Wireshark skills, ability to dissect streams and quickly identify issues
  • Proficiency in Ciena Networks technologies, including optical transport systems, SDN, and packet networking.
  • Strong knowledge of network protocols (e.g., BGP, MPLS, VXLAN).
  • Strong knowledge of Linux
  • Experience with automation tools such as Ansible, Python, Terraform, and Git
  • Familiarity with cloud platforms (AWS, Google Cloud) and hybrid network architectures.
  • Knowledge of SDWAN technologies
  • Knowledge of network security principles, including firewalls, encryption, and intrusion detection/prevention systems. 

Soft Skills:

  • Ability to train junior engineers and collaborate with senior members of technical teams
  • Excellent interpersonal and communication skills, with the ability to explain complex technical concepts to non-technical stakeholders.
  • Strong collaboration skills, with a proven ability to work effectively in diverse teams.
  • Problem-solving mindset with the ability to think critically and make sound decisions under pressure.

The estimated base salary range for this position is $160,000 to $250,000, which is specific to New York and may change in the future. Millennium pays a total compensation package which includes a base salary, discretionary performance bonus, and a comprehensive benefits package. When finalizing an offer, we take into consideration an individual’s experience level and the qualifications they bring to the role to formulate a competitive total compensation package.

About this role

Summary

Design, implement, and optimize advanced network solutions using Arista and Ciena technologies.

Job title

Senior Network Engineer

Experience level

5+ years

Industry

networking

Location requirements

Located in New York, remote work not allowed.

Salary

$160,000 to $250,000

Management role

No

Skills & keywords

Required skills

aristacienawiresharknetwork protocolslinuxansiblepythonterraformgitcloudsdwannetwork security

Preferred skills

communicationcollaborationproblem-solving

Specializations

network designautomationcloudsecurityperformance
Locations

Structured locations inferred from the posting.

New York, NY, USA

On-site City