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# DescriptionSenior Network & Security Engineer

- **Company:** AITHERAS, LLC
- **Location:** New York, NY, United States (Remote available)
- **Experience:** Expert
- **Salary:** $135,000.0 - $140,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Data Analysis, Microsoft Azure, Border Gateway Protocol, Continuous Integration, Data Centers, Github, Supervisory Control and Data Acquisition (SCADA), Intrusion Detection and Prevention, Intrusion Detection Systems, Python (Programming Language), Network Security, Microsoft Visio, NetFlow, Cisco Nexus Switches, Citrix Systems, Open Shortest Path First (OSPF), Overlay Transport Virtualization, Ansible, Security Information and Event Management, Software Deployment, Snort (Software), Identity Services Engine, Mttr, QRadar, Juniper, Gitlab, Git Flow, TACACS+ Protocol, Restful APIs, Splunk, Cisco Switches, Cisco
- **Published:** September 11, 2026
- **Apply:** https://www.thejobnetwork.com/job/31e08b01-ab7f-42ab-8f69-059ee0827ecb/senior-network-engineer

## About the Role

Work Model: Hybrid - 3 days on-site at primary data-center campus in Midtown Manhattan or Secaucus, NJ; 2 days WFH.
Clearance: None required, but ability to pass a Tier 2 public-trust background check is a must., * 8+ years progressive experience in enterprise or service-provider networking.

 * Deep expertise configuring and troubleshooting BGP, OSPF, static routing, VRFs, VXLAN-EVPN.
 * Hands-on with Cisco Catalyst/Nexus & ASA/FTD, Juniper EX / QFX / MX, and Palo Alto NGFWs (Pan-OS 9/10).
 * Solid command of AAA (TACACS+, RADIUS) and production deployments of Cisco ISE or equivalent.
 * Practical experience deploying or operating flow-analytics / tap infrastructure (StealthWatch, Gigamon, NetFlow/IPFIX, SPANs).
 * Comfort writing Python and Ansible playbooks; git-based workflows (GitLab/GitHub, CI pipelines).
 * Familiarity with network IDS/IPS (Snort, Zeek, Palo Alto Threat Prevention) and SIEM workflows (Splunk, QRadar).
 * Ability to create HLD/LLD diagrams in Visio or draw.io and present them to technical & business leadership.
 * U.S. work authorization and ability to commute to NYC area 3× week.

Nice to Have

 * CCNP Enterprise/Security, PCNSE, JNCIS-ENT/Sec, or CCIE (R&S / Enterprise).
 * Cisco Secure Network Analytics design experience (flow collector sizing, policy tuning).
 * Prior exposure to industrial / OT networks (NIST 800-82, Purdue Model, SCADA segmentation).
 * AWS or Azure Advanced Networking certification; Transit Gateway design experience.
 * Experience with F5 LTM/GTM or Citrix ADC in low-latency trading or fintech environments.
 * Source-of-truth & intent platforms (NetBox, Nautobot), RESTful API development, or Go/Rust scripting.

## Description

detection, and CI/CD-based push-button rollouts.10 %Operations & Incident Response - Serve as L3 escalation and join a 1-week-per-6 on-call rotation; own post-mortems and MTTR metrics.10 %Documentation & Mentoring - Produce HLDs/LLDs, MOPs, and runbooks; coach junior engineers toward CCNP/PCNSE.Must-Have Qualifications


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