Network Administrator (Expert)

Network Administrator (Expert)

  Gain America Inc

  NEW YORK, 10004, New York
  Contract
  01-15-2026

 

Support and maintain the hybrid security infrastructure by providing expert-level network administration, firewall engineering capabilities

 

Job Description

 

RESPONSIBILITIES
- Support hybrid network security infrastructure
- Install, configure, and manage network security appliances in HA setups
- Patch, upgrade, and maintain firewall/security platforms
- Implement network changes for new initiatives and application needs
- Produce and maintain network diagrams, standards, policies, procedures
- Mentor staff and provide technical leadership

MANDATORY QUALIFICATIONS (EXPERT LEVEL)
- 84 months experience administering Palo Alto and/or Fortinet firewalls
- 84 months experience with Panorama and/or FortiManager
- 84 months experience designing and documenting enterprise networks
- 84 months experience with LAN, WAN, TCP/IP, switching, routing
- 84 months experience developing and deploying BGP routing solutions

TECHNICAL ENVIRONMENT
---------------------
Software : Palo Alto, Fortinet
Hardware : Layer 3 network devices

 

Similar Jobs

RAG Or Retrieval Systems Engineer

HiringMirror

Specializes in retrieval-augmented generation architecture — building the search, indexing, and retrieval layer that grounds LLM outputs in accurate, up-to-date information.

  Full Time

  09-15-2026

  New York

Applied AI & LLM Product Engineer

HiringMirror

  Full Time

  09-15-2026

  New York

AI Research Engineer

HiringMirror

Works on pretraining and post-training of foundation models — architecture experiments, training efficiency, alignment techniques (RLHF, DPO), and scaling research, often in collaboration with research scientists.

  Full Time

  09-15-2026

  New York

Machine Learning Engineer

HiringMirror

Owns model development, training, and quality — building and improving the ML models (not just LLM wrappers) that power a product, from data pipeline to production deployment.

  Full Time

  09-15-2026

  New York

AI Infrastructure Engineer

HiringMirror

Owns the compute infrastructure that trains and serves AI models — GPU cluster management, distributed training pipelines, and inference serving at scale. A natural pivot for DevOps/backend infra engineers.

  Full Time

  09-10-2026

  New York