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Senior Network Engineer

Job in Mechanicsville, Hanover County, Virginia, 23116, USA
Listing for: Astyra Corporation
Full Time position
Listed on 2026-09-27
Job specializations:
  • IT/Tech
    Network Engineer, Systems Engineer, Cybersecurity, Network Security
Salary/Wage Range or Industry Benchmark: 95000 - 125000 USD Yearly USD 95000.00 125000.00 YEAR
Job Description & How to Apply Below

Senior Network Engineer

* This is a 9-month contract position - On-site

Job Overview
  • Senior Network Engineer to implement and provide support for IT Network infrastructure.
  • The Senior Network Engineer performs day-to-day activities related to the support, documentation, research, analysis, and implementation of Network-related infrastructure.
  • Candidate must have in-depth, considerable knowledge and hands-on experience understanding, documenting, and maintaining Network-related infrastructure.
Key Responsibilities
  • Considerable knowledge and working experience with enterprise routers, switches, VPN concentrators, firewalls, wireless access points, and load balancers, including the ability to document, set up, configure, upgrade, manage, and troubleshoot.
  • Be capable of troubleshooting Network-related infrastructure.
  • Identifies and diagnoses system problems by using line monitors, diagnostic software, and test equipment.
  • Works closely with IT infrastructure suppliers and stakeholders to gather requirements, specifications, and configurations to assure they are accurate and up to date.
  • Responsible for assisting in troubleshooting and resolving network issues impacting application performance and uptime.
  • Assist in overseeing the installation, documentation, and upgrades of various facility data network infrastructure.
  • Will oversee and collaborate with cloud and Dev Sec Ops  teams to optimize hybrid connectivity and SDWAN configurations.
  • Must have the ability to provide documentation, network architecture, topology diagrams, IP schemes, firewall rules, and access controls when required.
  • Must have the ability to work independently on assigned projects.
  • Must have minimally obtained an industry-standard networking certification, for example, Cisco CCNA, Juniper JNCIA-Junos, etc.
Required Skills/Knowledge/

Experience:
  • Considerable knowledge and hands-on working experience with enterprise routers, switches, VPN concentrators, firewalls, and wireless access points.
    Required — 8 Years
  • Considerable hands-on working experience setting up, configuring, upgrading, managing, and troubleshooting routers/switches and WAPs.
    Required — 8 Years
  • Demonstrated and hands-on ability to design, install, and troubleshoot local-area and wide-area enterprise networks.
    Required — 8 Years
  • Considerable direct hands-on engineering and design experience in the networking industry required.
    Required — 8 Years
  • Industry-standard networking certification (example: Cisco CCNA, Juniper JNCIA-Junos, etc.).
    Required — N/A
  • In-depth experience designing, installing, and troubleshooting local-area and wide-area enterprise networks.
    Required — 8 Years
  • Experience monitoring IT environments for compliance with information security, architecture policies, and standards.
    Required — 8 Years
  • Experience creating repeatable, reliable, scalable network architectures with fault tolerance.
    Required — 8 Years
  • Experience with performance tuning, monitoring systems, statistics/metrics collection, and disaster recovery.
    Required — 8 Years
  • Experience creating network diagrams using industry-standard tools such as Visio, etc.
    Required — 8 Years
  • Experience with networking features and protocols such as: ARP, CDP, EIGRP, OSPF, BGP, VTP, Ether Channel, HSRP, QoS, multicast, IPsec, etc.
    Required — 8 Years
  • Experience working with SDWAN.
    Preferred — 3 Years
  • Experience working with network topology related to the cloud.
    Preferred — 3 Years
  • Familiarity and experience working with cloud networking.
    Preferred — 3 Years
Position Requirements
10+ Years work experience
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