Network Engineer III

Chenega Corporation•Lorton, VA

1d•Onsite

About The Position

Network Engineer III provides enterprise network engineering and operational support for DOI/IA network environments, including LAN, WAN, WLAN, VoIP, and security-related infrastructure. This role supports installation, configuration, monitoring, troubleshooting, and maintenance of network devices and services in a Cisco-based environment. The position also supports project-based work involving upgrades, implementation, testing, documentation, and network improvement initiatives.

Requirements

High school diploma or GED equivalent
2+ year degree in Computer Science or related field, or equivalent work experience.
Minimum entry-level certification from a network vendor, such as CompTIA Network+.
2+ years of experience with firewall and network security solutions, including IDS, IPS, content filtering, RADIUS, TACACS, 802.1X, and VPN solutions.
2+ years of experience in network design and support in a Cisco networking environment.
Hands-on experience implementing and administering firewalls, network switches, wireless controllers, and access points.
Experience with infrastructure design, diagnostic polling, configuration, testing, and troubleshooting.
Background check with the ability to obtain Public Trust
Ability to troubleshoot network interfaces, VLANs, and routing protocols.
Ability to prioritize and multitask across multiple assignments and projects.
Ability to contribute to project planning activities and coordinate with engineers on deployments.
Excellent written, verbal, presentation, and interpersonal communication skills.
Knowledge of enterprise network support and administration practices.
Knowledge of Cisco network environments, switching, routing, wireless, and security devices.
Knowledge of firewall, VPN, authentication, and network access control technologies.
Skill in troubleshooting network connectivity, device, and performance issues.
Skill in preparing network procedures, diagrams, and technical documentation.
Ability to support multiple operational and project-based tasks.
Ability to communicate effectively with engineers, support staff, and management.
Has a willingness to learn new technologies and maintain industry knowledge of emerging technologies and industry best practices.
Excellent communication, presentation, and interpersonal skills.
Ability to contribute to project planning activities, including defining goals within the network and telecom space.
Identifies resources needed and can coordinate with engineers to accomplish enterprise deployments.
Capacity to define procedures, work instructions, or other methods for sharing knowledge and achieving consistent results.

Responsibilities

Support administration of DOI/IA data networks, including LAN, WAN, WLAN, VoIP, and related network services.
Install, configure, monitor, and troubleshoot routers, switches, firewalls, wireless controllers, wireless access points, VPN solutions, and related devices.
Support firewall and network security technologies, including IDS, IPS, content filtering, RADIUS, TACACS, 802.1X, and VPN solutions.
Support network interfaces, VLANs, routing protocols, and remote connectivity solutions.
Monitor network performance, alerts, faults, and outages, and assist with incident response and restoration activities.
Assist with backups of network infrastructure and device configurations using automated and manual methods.
Support configuration changes, software updates, firmware updates, and patching activities in accordance with approved procedures.
Create and maintain network documentation, procedures, work instructions, diagrams, and configuration records.
Assist with test environments and pilot activities for new network technologies.
Support ticketing, escalation, and coordination with Tier III/Tier IV support and onsite personnel as required.
Support project-based tasks involving network upgrades, implementations, testing, optimization, and operational improvement.
Develop, debug, maintain, and document programs and scripts used to manage network infrastructure, including Python.
Ensure all network components are fully operational, and warranty and service contracts are current.
Conduct monthly reviews of network operations, fault conditions, and proposed changes
Establish automated network management procedures that can rapidly respond to network fault conditions.
Responsible for moves, add-ons, or changes for telephones at the onsite locations.
Provide Level 3 and 4 support to network administrators to resolve network-related problems.
Other duties as assigned.