Network Engineer
About The Position
Our client is seeking a Network Infrastructure Engineer to support the day-to-day operation, security, reliability, and performance of an enterprise network in an on-site work environment. This hands-on role supports LAN infrastructure, switching, firewalls, DNS/DDI, authentication services, VPN connectivity, subnetting, network segmentation, monitoring, and physical network infrastructure. The Network Infrastructure Engineer works closely with onsite IT personnel and customer technical staff to troubleshoot issues, coordinate infrastructure changes, support maintenance activities, and keep critical network services operating reliably. The role aims to maintain a stable, secure, and well-documented network environment by resolving outages and connectivity issues quickly and implementing infrastructure changes safely and effectively. The position is performed on-site, with no routine travel required. Participation in after-hours support may be required for critical incidents or planned maintenance. Compensation is $56.79–$62.50 per hour, commensurate with experience and qualifications.
Requirements
- Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related technical discipline, or an equivalent combination of education and relevant professional experience.
- Hands-on experience supporting enterprise network infrastructure.
- Experience configuring, administering, and troubleshooting Cisco switches and enterprise LAN environments.
- Working experience with Fortinet FortiGate firewalls and network-security configurations.
- Experience supporting Infoblox or comparable DNS, DHCP, and IP Address Management technologies.
- Knowledge of RADIUS, LDAP, Active Directory, VPN technologies, and network authentication services.
- Strong understanding of TCP/IP, DNS, DHCP, subnetting, VLANs, routing, switching, and IP addressing.
- Experience troubleshooting network outages, connectivity issues, authentication problems, and infrastructure incidents.
- Experience using enterprise network monitoring and management tools.
- Understanding of copper and fiber-optic cabling, telecommunications closets, and physical network infrastructure.
- Ability to maintain accurate network documentation, diagrams, inventories, and configuration records.
- Strong analytical, troubleshooting, communication, and organizational skills.
- Ability to work effectively with onsite IT staff, network engineers, and customer technical personnel.
- Ability and willingness to work in an on-site environment.
- Ability to obtain and maintain a U.S. Government security clearance.
Nice To Haves
- Experience with Juniper switching technologies.
- Experience with Aruba switching technologies.
- Experience supporting N-Wave or comparable wide-area network connectivity.
- Cisco CCNA or comparable Cisco certification.
- CompTIA Network+.
- Fortinet certification.
- Juniper or Aruba certification.
- Experience supporting network infrastructure within federal government, government contracting, or other regulated environments.
Responsibilities
- Configure, administer, maintain, and troubleshoot enterprise network infrastructure.
- Support LAN connectivity, switching, routing, VLANs, subnetting, and network services.
- Configure and maintain Cisco switches, including VLAN administration, switch-port assignments, and performance troubleshooting.
- Support Juniper and Aruba switching technologies as required.
- Administer Fortinet FortiGate firewalls, including firewall policies, access controls, configuration changes, and connectivity troubleshooting.
- Manage and support Infoblox DNS, DHCP, and IP Address Management services.
- Support RADIUS authentication and related access-control technologies.
- Assist with LDAP, Active Directory, and other enterprise authentication services.
- Support network connectivity across multiple environments, including subnetting, routing, network segmentation, and IP addressing.
- Configure, maintain, and troubleshoot VPN services supporting secure remote connectivity.
- Monitor network availability, performance, and infrastructure health using enterprise network-management and monitoring tools.
- Troubleshoot outages, connectivity problems, authentication failures, DNS issues, routing problems, and other network incidents.
- Support installation, testing, labeling, and documentation of copper and fiber network cabling.
- Install and support network equipment within telecommunications and communications closets.
- Maintain accurate network diagrams, IP address records, firewall and switch configurations, cabling documentation, and infrastructure inventories.
- Coordinate maintenance activities, configuration changes, upgrades, and network troubleshooting with onsite IT personnel and customer technical staff.
- Provide technical support during critical network activities and scheduled maintenance windows.
- Communicate incident status, troubleshooting results, technical risks, and recommended resolutions to stakeholders.
- Participate in after-hours support when required for critical incidents or planned maintenance.
- Perform other related network engineering responsibilities as assigned.
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What This Job Offers
Job Type
Full-time
