Jr. Network Administrator - Tier II

Location: Aberdeen Proving Grounds, USA; onsite role

Company

A&T Systems provides technical services supporting enterprise network infrastructure in a Department of Defense environment.

What you will do

• Operate, maintain, monitor, and troubleshoot Installation Campus Area Network (ICAN) and Local Area Network (LAN) infrastructure.
• Install, configure, harden, repair, and support Layer 2 and Layer 3 devices, including switches, routers, controllers, wireless access points, and switch stacks.
• Perform IOS updates, STIG checklists, configuration management, capacity management, event management, and network service alert response.
• Use NetCool, Wireshark, packet capture, network tapping, fault analysis, and discovery tools to maintain network performance and availability.
• Support IP/MPLS, remote access, wireless, VPN, VoIP, circuit provisioning, and authentication solutions, including Cisco technologies.
• Prepare and maintain network SOPs and TTPs, documentation, and equipment inventories.

Requirements

• Active Secret Clearance required.
• Security+ CE required.
• CCNA or CCNP certification required, or the ability to obtain it within 6 months.
• Experience configuring and troubleshooting ASA 5500 Series firewalls, Cisco 3000/4000/5000/6000 Series switches and routers, and Cisco Unified IP Phones.
• Knowledge of Cisco Prime, Aruba OS, Cisco IOS, Cisco NS-OX, wireless protocols including 802.x, and authentication protocols including EAP, PEAP, EAP-TLS, and EAP-TTLS.
• Knowledge of enterprise networking protocols and technologies including TCP, UDP, IP, SSH, VRRP, STP, CDP, HSRP, DNS, DHCP, VTP, VPN, FTP, TFTP, IAS, VoIP, NAT, and Dot1.x.
• Ability to communicate complex networking concepts to technical and non-technical personnel.
• Excellent customer service skills, a professional and positive demeanor, and the ability to work within established deadlines and schedules.

Culture & Benefits

• Work supports enterprise networking operations in a DoD environment.
• Coordinate with senior network personnel and technical and non-technical stakeholders.
• Work within established deadlines and schedules.