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Network Engineer III

Arcfield
Newport, RI Full Time
POSTED ON 7/18/2026
AVAILABLE BEFORE 9/17/2026
Arcfield Overview: Arcfield was purpose-built to relentlessly protect the nation and its allies from today’s national security threats. We have nearly 70 years of proven expertise and excel in space superiority, hypersonic defense and nuclear deterrence, digital transformation, and surface and undersea warfare domains. Our solution areas include space mission engineering, atmospheric science, digital engineering, mission assurance, and advances in modeling and simulation that together with our enterprise-wide adoption of artificial intelligence and machine learning, lead to better systems and timely, reliable decision-making. Headquartered in Chantilly, VA with 18 North American offices, Arcfield employs 2,200 engineers, scientists, analysts, IT specialists and other professionals who challenge the status quo to deliver an efficient technological advantage to our national security and defense partners. Responsibilities:
Seeking an organized, reliable, and driven Network Engineer to work as part of our field service team to install, troubleshoot, and repair data networks at Naval Undersea Warfare (NUWCDIVNPT) in Newport RI. The engineer will work internally as part of organization's IT support team and externally to provide networking solutions for the organization's clients.

This position requires on-site work in Newport, Rhode Island.
  • Install all new hardware, systems, and software for networks
  • Install, configure, and maintain network services, equipment and devices
  • Configure / software upgrades on routers, switches, and other network hardware
  • Plans and supports network and computing infrastructure
  • Monitor network performance and troubleshoot problems and outages
  • Schedule updates and upgrades
  • Documents network problems and resolution for future reference
  • Administer, maintain, and troubleshoot Linux-based servers and network services to ensure system reliability, security, and performance.
Qualifications:
Position Requirements:

  • BS 5-7 Years, MS 3-5, PhD 0-2
  • Ability to prioritize and multi-task
  • Possess excellent analytical and problem-solving skills
  • Available to work outside of regular working hours and weekends
  • Advance experience with Cisco IOS and deploying Cisco routers/switches
  • Minimum two years' experience with computer hardware installation and repair
  • Hands-on experiences implementing and administrating network devices - firewalls, routers, VPN and backup applications.
  • Experience administering and supporting Linux operating systems (such as Red Hat Enterprise Linux).
  • Proficiency with Linux command-line administration, including user management, file systems, networking, package management, and system troubleshooting.
  • CompTIA Security or CompTIA CASP
  • CompTIA Linux
  • Red Hat Certified System Administrator (RHCSA)
  • Ability to obtain Cisco Certified Network Associate (CCNA)
  • Ability to obtain a Secret security clearance with the US government
Additional Skills of interest (not required):
  • Exposure to Cisco SDA-Fabric environments
  • Hands-on with Cisco DNA automation features
  • Experience implementing or supporting Cisco ISE policies
  • Active Secret security clearance
  • Military or government experience preferred but not necessary
Equal Pay Act: This is the projected compensation range for this position. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, Arcfield invests in its employees beyond just compensation. Arcfield ’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, Short Term and Long-Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. Min: $83,283.35 Max: $144,813.58 EEO Statement:

We are an equal opportunity employer and federal government contractor. We do not discriminate against any employee or applicant for employment as protected by law.

Salary : $144,814

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