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Sr Network Engineer

SmallArc, IncDenver, CO🇺🇸United StatesPosted 7 Aug 2026

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

Senior Network Engineer

Location : Denver CO W2 Fulltime 

 At least 12+ years of experience required

Key Responsibilities

  • Serve as the primary on-site engineer for Aruba networking infrastructure, including Aruba switches, wireless controllers, access points, Aruba Central, and ClearPass
  • Design, configure, deploy, and troubleshoot Aruba wired and wireless LAN environments in a classified, mission-critical setting
  • Monitor network health, lead incident response, and perform root cause analysis for Aruba infrastructure issues
  • Manage network access control (NAC) policies and posture enforcement using Aruba ClearPass
  • Implement network segmentation, VLANs, and secure wireless configurations in accordance with DoD and IC security requirements
  • Partner with government stakeholders, security officers, and program leadership to ensure continuity of operations
  • Maintain accurate network documentation, configuration baselines, and change management records
  • Provide on-call support as needed given the mission-critical nature of the resident engineering role
  • Ensure ongoing compliance with applicable STIGs, the Risk Management Framework (RMF), and other DoD cybersecurity requirements

Required Qualifications

  • Active TS/SCI clearance (current and in scope)
  • Must be Yankee White eligible: U.S. citizenship (typically required of immediate family members as well), no foreign influence concerns, and willingness to undergo a Tier 5 Single Scope Background Investigation (SSBI) and, where required, a counterintelligence-scope polygraph. Yankee White eligibility does not carry interim status; full adjudication is required before assignment
  • 10+ years of hands-on experience administering Aruba networking products (switches, wireless controllers, Aruba Central, ClearPass
  • Aruba certification strongly preferred (ACMA, ACMP, ACDX, or equivalent)
  • Experience supporting DoD, Intelligence Community, or other classified government environments
  • Solid working knowledge of network security fundamentals, STIGs, and RMF processes
  • Strong troubleshooting, documentation, and communication skills
  • Willingness to work on-site full time as a resident engineer, with flexibility to support off-hours needs

Preferred Qualifications

  • Prior experience in a Presidential Support or other similarly sensitive support roles
  • Additional certifications such as CCNA/CCNP, Security+, or CISSP
  • Experience with network automation, monitoring, and configuration management tooling

 

Thanks & Regards 

Sami Singh 

Sr Lead Recruiter.

SmallArc Inc.

Contact no : 

  |  
860 US Highway 1, Suite 103 Edison NJ 08817

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