Network Engineer

AITHERAS, LLC
New York, United States of America
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
$ 130K

Job location

New York, United States of America

Tech stack

Data analysis
User Authentication
Border Gateway Protocol
CompTIA Security+
Computer Security
System Configuration
Data-Flow Analysis
Monitoring of Systems
Intrusion Detection Systems
Python
Network Security
Pcap
Network Monitoring
Routing
Network Segmentation
Open Shortest Path First
Security Information and Event Management
Systems Integration
Terminal Access Controller Access-Control System (TACACS)
Wireshark
Network Routers
Scripting (Bash/Python/Go/Ruby)
Authentication Authorization Accounting (Server Program)
Identity Services Engine
Firewalls (Computer Science)
Juniper
Palo Alto Networks
Routing & Switching
Firewall Services Module
Open Network Automation Platform
Cisco networks

Job description

The Network Engineer will support the design, configuration, monitoring, and security of enterprise network infrastructure. This role requires strong hands-on experience with switching, routing, firewalls, network segmentation, AAA/TACACS, and network security monitoring. The ideal candidate will be comfortable working across Cisco, Juniper, and Palo Alto environments and able to analyze packet captures to troubleshoot and validate network behavior., + Design, configure, and support enterprise switches, routers, and firewalls.

  • Implement and maintain AAA, TACACS, and access control mechanisms.

  • Support network segmentation and isolation strategies across enterprise environments.

  • Configure and troubleshoot routing protocols including static routing, BGP, and OSPF.

  • Deploy, support, or integrate network taps and monitoring solutions.

  • Analyze PCAP files to troubleshoot traffic flows, security events, and network performance issues.

  • Work with Cisco, Juniper, and Palo Alto platforms across network and security infrastructure.

  • Support network security monitoring tools and collaborate with security teams on visibility and incident investigation.

  • Assist with network hardening, documentation, and operational standards.

  • Contribute to automation or scripting initiatives where applicable.

Requirements

Title: Network Engineer Location: New York City, NY Clearance or Background Needs Experience 5+ years of network engineering experience Compensation: Up to $130,000, + 5+ years of hands-on network engineering experience.

  • Strong experience with AAA concepts and TACACS-based authentication.

  • Experience designing or supporting network segmentation and isolation.

  • Strong switching and routing knowledge.

  • Hands-on experience with static routing, BGP, and OSPF.

  • Experience configuring and supporting Cisco network infrastructure.

  • Experience with Juniper and/or Palo Alto firewalls, routers, or switches.

  • Familiarity with network taps and network visibility architecture.

  • Experience using network security or network monitoring tools.

  • Ability to perform PCAP analysis for troubleshooting and security validation.

  • Strong understanding of firewall policies, routing behavior, and traffic flows.

  • Ability to work in a production enterprise environment with proper change control.

Preferred / Nice-to-Have Qualifications

  • Network automation experience.

  • Python or other scripting experience.

  • Experience with network IDS in an OT environment.

  • Cisco Secure Network Analytics, formerly Stealthwatch.

  • Cisco ISE experience.

  • CCNA, CCNP, or CCIE certification.

  • Experience supporting critical infrastructure, industrial, utility, transportation, or OT/ICS environments.

  • Experience integrating network monitoring with security operations workflows.

Tools / Technologies / Systems

Cisco, Juniper, Palo Alto, Cisco ISE, TACACS, AAA, BGP, OSPF, static routing, firewalls, routers, switches, network taps, PCAP, Wireshark, Cisco Secure Network Analytics, Stealthwatch, IDS, network monitoring tools, Python

Certifications

CCNA, CCNP, CCIE, JNCIA, JNCIS, PCNSA, PCNSE, Security+, CISSP, GICSP

KPIs / Performance Outcomes

  • Improve secure network access control through effective AAA/TACACS implementation.

  • Maintain reliable routing, switching, and firewall operations across enterprise infrastructure.

  • Reduce troubleshooting time through accurate PCAP and traffic-flow analysis.

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