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Senior Network Engineer

AITHERAS, LLC

Manhattan, NY

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JOB DETAILS
JOB TYPE
Full-time
SKILLS
Amazon Web Services (AWS), Ansible, Application Programming Interface (API), Automation, BGP, CCIE - Cisco Certified Internetwork Expert, CCNP - Cisco Certified Network Professional, Cisco ASA (Adaptive Security Appliance), Cisco Catalyst Switches, Cisco Network Systems, Cisco Nexus Switches, Citrix Product Family, Cloud Computing, Continuous Deployment/Delivery, Continuous Integration, Customer Relations, Data Analysis, Design Services, Enterprise Protection, F5 Network Software, Git, GitHub, ISO 9001, Identify Issues, Incident Response, Information Technology & Information Systems, Information Technology Consulting, Internet Security, Intrusion Detection Systems, Intrusion Prevention Systems, JNCIS - Juniper Networks Certified Internet Specialist, Juniper Networks Product Family, Leadership, Metrics, Microsoft Visio, Microsoft Windows Azure, Netflow, Network Architecture/Engineering, Network Design, Network Operations Center, Network Performance/Analysis, On Call, Open Shortest Path First Protocol (OSPF), Operating Systems, Package On Package, Python Programming/Scripting Language, RADIUS (Remote Authentication Dial-In User Service), REST (Representational State Transfer), Scripting (Scripting Languages), Security Information and Event Management (SIEM), Small Business, Snort, Software Development, Software Engineering, Splunk, Supervisory Control and Data Acquisition (SCADA), TACACS+ (Terminal Access Controller Access Control System Plus), Technical Presentation, Telemetry, U.S. National Institute of Standards and Technology (NIST), Willing to Travel, Work From Home
LOCATION
Manhattan, NY
POSTED
30+ days ago
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
% TimeResponsibility
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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AITHERAS, LLC

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