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 OverviewWe 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 Germantown, MD and does not allow for remote work.
Responsibilities- Network Responsibilities:
- Design localized network topologies, IP addressing schemes, and subnet structures.
- Plan wireless network layouts (RF coverage) and access point placement to maximize signal strength and minimize interference.
- Select appropriate hardware models (routers, switches, firewalls) that match operational requirements.
- Draft high-quality network design documentation, logical/physical topology maps, and deployment checklists.
- 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, VHF, UHF, Starlink, Iridium) for secure and non-secure communication.
- 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.
- A minimum of 5 years of networking experience is required.
- Proven ability to design simple local area networks (LANs).
- Solid grasp of fundamental IP routing, the OSI model, TCP/IP stacks, and common network security principles.
- Familiarity with network services and protocols like DNS, DHCP, NAT, and basic OSPF/BGP routing.
- Familiarity with Radio Frequency.
- Familiarity in 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.
- Active Top Secret with SCI or SCI eligible or Q Clearance .
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- Ability to handle telecommunications deployment kits in transit cases that could total 60 pounds each.
Skills Required
- Minimum of 5 years of networking experience
- Ability to design simple local area networks
- Understanding of IP routing, the OSI model, TCP/IP stacks, and common network security principles
- Familiarity with DNS, DHCP, NAT, and basic OSPF/BGP routing
- Active Top Secret with SCI, SCI eligibility, or Q Clearance
- Familiarity with radio frequency systems
- Familiarity with unclassified and classified communication systems and associated equipment
- Familiarity with telecommunications services, secure and non-secure phone systems, VoIP, fax, data networks, video teleconferencing, and satellite communications
What We Do
By Light Professional IT Services LLC (By Light) provides a full range of hardware and software engineering services to defense, civilian, and commercial customers worldwide. Driven by a management team that leverages real-world expertise from the defense, intelligence, federal healthcare, and commercial sectors, we provide reliable, efficient, and cost-effective IT solutions. Some of our successes include: • Completion of 80+ Global Information Grid Bandwidth Expansion (GIG-BE) sites both CONUS & OCONUS. Provided Optical Network Engineering, Implementation, & Project Control Worldwide. • Provided timely completion of ATM to IP Migration, Legacy Network Optimization, & VOIP Implementation of 47 CONUS Sites for the United States Special Operations Command (USSOCOM) SCAMPI Network. • Supporting the AMC CIO/G6 in the Depot Modernization Program, implementing CONUS wide 802.11/a/b/g/n wireless networks, Area Processing Center Migration, DISN Optimization, and a 40,000 user, enterprise-wide SharePoint Implementation. • Completion of 2,000 Plus Legacy Circuit Migrations to DISN Transport for DISN Transition Program. • Delivered Communications Support & Staff Augmentation for Deployed DoD Forces under the Program Executive Office Enterprise Information Systems Technology Applications Office (PEO EIS TAO). • Successful Implementation of Secure Intelligent Video Systems (IVS) for the Intelligence Community. • Supporting major international carriers in the modernization and expansion of Data Center Facilities. • Engineering new Turnkey “Cloud Services,” including Hosting, Managed Services, COOP, and Data Storage and Archival.









