Senior Network Engineer

Salary :

$135,000 - 145,000 yearly

Company : Aitheras

Job Type : Full Time

Remote / Work from Home

Number of Applicants

000+

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Job Description - Senior Network Engineer

Senior Network & Security Engineer
Location: New York Tri-State Area (NYC / Northern NJ / Fairfield–Westchester CT)
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.
Travel: < 10 % (regional PoP / DR-site visits)

About Us
AITHERAS, LLC is a customer-focused IT consulting firm delivering cost-effective, mission-critical solutions since 2002. We specialize in Data Analytics, Cloud Computing, IT Engineering, Application Development, and Cyber Security. Based in Rockville, MD, we’re ISO 9001:2015 certified, an SBA-designated Small Business, and an MBE-certified firm by MDOT. We partner with over 100 clients to create scalable, innovative solutions that drive success.

What You’ll Do

% Time	Responsibility
40 %	Design & Implementation – Build and migrate segmentation zones, VRFs, and BGP/OSPF fabrics across Cisco Nexus 9K, Juniper QFX/MX, and Palo Alto PA-Series.
25 %	Security & Visibility – Stand up TACACS+/Cisco ISE for AAA, integrate flow telemetry into Cisco Secure Network Analytics (StealthWatch), deploy taps/SPANs/Gigamon, and tune IDS/IPS policies for OT & IT.
15 %	Automation – Write and maintain Python/Ansible/Terraform pipelines (pyATS, Nornir, Jinja2) for golden-config generation, compliance drift 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

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.

What We Offer

Base Salary: FTE: 135K-140K or $90-$100 C2C/1099
FTE Benefits: 100 % employer-paid medical / dental / vision, 401(k) 5 % match, ESPP
FTE Training: $3 k annual cert stipend, paid time for labs & conferences (Cisco Live, Palo Alto Ignite)

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About the Company

Aitheras

AITHERAS [uh-THEAR-us] means pure air in Greek, deriving from "Aither" defined by Aristotle as the "fifth element of air in continuous, circular motion.” Similarly, with continuous collaboration with our clients and technology partners, we strive for pure innovation and excellence.

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Senior Network Engineer

Job Description - Senior Network Engineer

About the Company

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