Network Engineer

By Light Professional IT Services LLC; Germantown (MD); On-site; USD 90,000 - 140,000; Full time

Job summary

By Light Professional IT Services LLC, Germantown, MD, is seeking a Network Engineer I to design, deploy and maintain a small-scale local network infrastructure supporting network continuity of operations. This role handles system configurations, deployment strategy, and readiness documentation to ensure high uptime and security.

The position is on-site with responsibilities spanning Layer2/Layer3 equipment, RF and satellite telecom support, and secure/non-secure communications maintenance at

Qualifications

• Proven ability to design simple local area networks (LANs).
• Strong understanding of IP routing, OSI model, TCP/IP, and basic network security.
• Familiarity with DNS, DHCP, NAT, and basic OSPF/BGP routing.
• Minimum of 5 years of networking experience.
• Familiarity with Radio Frequency (RF).

Responsibilities

• Design localized network topologies, IP addressing schemes, and subnet structures.
• Plan wireless network layouts (RF Coverage) and access point placement.
• Select appropriate hardware models (routers, switches, firewalls) to meet requirements.
• Draft high-quality network design documentation and deployment checklists.
• Assist in routine maintenance and troubleshooting on RF radio systems.
• Maintain support equipment including antennas, amplifiers, power supplies and cables.
• Support RF systems for secure and non-secure communications and manage telecom hardware.

Skills

Networking concepts

IP routing

OSi model

TCP/IP

Network security

DNS

DHCP

NAT

OSPF/BGP routing

Radio Frequency

Job description

Network Engineer

Job Details

Job Locations: US-MD-Germantown

ID: 2026-11194

# of Openings: 1

Category: IT Support

Clearance: TS/SCI

Company Overview

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.

Position Overview

We are seeking a Network Engineer I to design, deploy and maintain a small scale local network infrastructure supporting network continuity of operations. This role is responsible for system configurations, deployment strategy, developing and maintaining user documentation, developing and maintaining readiness checklist, monitoring system performance, and identifying and resolving technical issues to ensure high system uptime and security. The primary responsibility of this position is the ongoing support, maintenance and operation of Layer2/Layer network equipment. Additionally, this position will support the operation and maintenance of radio and satellite telecommunications equipment. This position is on-site at customer's location and does not allow for remote work.

Responsibilities

Network Responsibilities

• Design localized network topologies, IP addressing, schemes and subnet structures.
• minimize interference.
• Plan wireless network layouts (RF Coverage) and access point placement to mazimize signal strenght and minimize intererence.
• Select appropriate hardware models (router, switches, firewalls) that match operational requirements.
• Draft high-quality network design documentation, logical/physical topology maps, and deployment checklist.

Telecommunications Responsibilities:

• Assist in routine maintenance and troubleshooting on radio frequency (RF) radio systems.
• Assist in maintaining associated support equipment, including antennas, amplifiers, power supplies and cables.
• Assist in the reliability of RF systems ( HF,UHF, Starlink, Iridium) for secure and non-secure communications.
• Assist in maintaining unclassified and classified telephone systems, ensuring they are operational and secure.
• Assist in the maintenance and support of all related hardware and software components.

Required Experience/Qualifications

• Proven ability to design simple local are networks (LANs).
• Solid grasp of fundamental IP routing, the OSI model, TCP/IP stacks, and common network security principles.
• Famiiarity with network servies and prtotocols like DNS, DHCP, NAT, and basic OSPF/BGP routing.
• A minimum of 5 years of networking experience is required.
• Familiarity with Radio Frequency.

Preferred Experience/Qualifications

• Familiarity of unclassified and classified communication systems and associated equipment.
• Familiarity of telecommunications services, including secure and non-secure phone systems, VoIP, fax, data networks, video teleconferencing, and satellite (Iridium/Starlink) communications.

Travel Requirements

• Occasional travel within CONUS to conduct site surveys, installations, and support for new or existing locations. Anticipated travel is no more than 4 weeks per year and a maximum of two weeks on site.

Special Requirements/Security Clearance

• Active Top Secret or Q Clearance with SCI or SCI eligible.

Salary Range

Salary Minimum: $90,000

Salary Maximum: $140,000

The annual base salary provided is a guideline for this position and is not a guarantee of compensation or salary. When extending an offer, By Light also considers other variables such as (but not limited to) work experience, education, training, skill set, internal peer equity, clearance level, and market conditions. In addition, By Light provides an extensive selection of benefits and offerings to our employees.

Physical Demands

Physical Demands: Be able to handle telecommunications deployment kits in transit cases that could total 60 pounds each.