Network Engineer

By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

A hardworking, competitive type with that is driven to succeed with a natural sense of urgency. You are a self-starter with a reputation for being an effective team player, who proactively looks to improve and add efficiency to current processes. You exercise judgment in the decision-making process in order to provide consistent customer service. You are highly proficient in problem solving and are able to follow a systematic troubleshooting approach.

The ideal candidate will be involved with the creation of procedures, identifying, troubleshooting and resolving problems, and assuring that requirements are met for new and existing systems in support of engineering and installation. This position provides hands on technical support and managerial direction for the global network infrastructure of a large Federal Government agency. Additionally, this individual should have experience with the setup and maintenance of AWS network components, on-perm VPN tunnels, vLAN configurations, wireless network configurations, IPv6 and IPv4 (including complex sub-netting) and network security (Cisco ASA Firewalls, ACLs, IPsec, and other encryption methodologies).

Assist in configuring and maintaining AWS VPCs, subnets, route tables, and security groups under senior engineer supervision.
• Support the monitoring and troubleshooting of AWS network connectivity issues using CloudWatch, VPC Flow Logs, and other native tools.
• Aid in the setup of site-to-site VPNs and Direct Connect links between on-premise infrastructure and AWS cloud environments.
• Perform routine audits of network access control lists (ACLs) and security group rules to ensure compliance with organizational policies.
• Collaborate with cloud engineers to support hybrid network architecture and ensure consistent network performance across AWS and on-prem environments.
• Document AWS network configurations, changes, and topology diagrams for operational and compliance purposes.
• Assist in managing Elastic IP addresses, NAT gateways, and internet gateways to support scalable AWS deployments.
• Participate in the implementation of AWS Transit Gateway configurations to optimize inter-VPC connectivity.
• Provide Tier 1 support for cloud network incidents and escalate complex issues to senior network or cloud engineers.
• Support the deployment and testing of network automation scripts using AWS CLI, CloudFormation, or Terraform under guidance.

• 2+ years of network administration
• Experience with enterprise class Cisco routers and switches, installation, configuration, hardware/software updates and patching, advanced troubleshooting skills, including the ability to capture and analyst packet level data (i.e. Wireshark PCAPS)
• Experience with network management tools such Cisco Prime
• Experience with network monitoring tools, e.g., RiverBed, Netflow, TAPs and SPANs
• Experience with VPN's and other remote access applications
• Experience with wireless network configurations and installation
• Knowledge of Switches, Routers, Firewalls, LAN, WAN, TCP/IP, UDP, QoS
• Must demonstrate advanced understanding of TCP/IP including layer 2/3 VLANs and routing protocols such as BGP, EIGRP, OSPF, RIP
• Ability to express complex technical concepts effectively, both verbally and in writing
• Must be available for weekend and evening work if required
• Must be able to document in detail all implementations and projects

• Public Trust

• Climb a ladder
• Lift up to 40lbs
• Run cabling