More jobs:
Junior to Mid-Level Network Engineer
Job in
Chantilly, Fairfax County, Virginia, 22021, USA
Listed on 2026-02-16
Listing for:
Jacobs
Full Time
position Listed on 2026-02-16
Job specializations:
-
Engineering
Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Overview
At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.
Knack Works is seeking a qualified and highly motivated Junior to Mid-Level Network engineer to support the design, implementation and maintenance of our network infrastructure in the Chantilly, VA office. The role is ideal for someone with hands-on experience in routing, switching and firewall technologies who enjoys designing and developing technical networks.
Responsibilities- Collaborate with a team of engineers to design, implement and test features and functionality to support Knack Works’ high performance computing products
- Interact with customers to gather requirements and help develop use cases
- Assist in the design and planning of network communication systems
- Provide specification documentation and detailed schematics for network architecture
- Develop and define techniques and tools to support the most efficient solution to meet program needs
- Conduct testing of network design and implementation
- Maintain and provide technical expertise in all areas of hardware (network and computer), software interconnections, and interfaces such as routers, firewalls, switches, bridges, gateways, etc.
- Troubleshoot network connectivity, performance, and security issues
- Upgrade and implement improvements to the entire network system for the supported programs
- Support LAN/WAN, VLANs, VPNs, and basic QoS configurations
- Perform hardware installation, cabling coordination, and device turn-ups
- Maintain accurate network documentation, including network diagrams and drawings, IP addressing schemes, and device configurations and inventories
- Follow change management and implementation best practices
- Collaborate with systems, security, and support teams as needed
- 1 to 4 years of hands-on network engineering or network support experience with a bachelor’s degree in Computer Engineering, Network Engineering or related field
- Solid understanding of routing protocols (e.g., OSPF, BGP basics)
- Switching technologies (VLANs, STP, trunking)
- Firewall concepts and rule management
- Experience with installation and implementation of network hardware
- Familiarity with common networking vendors (e.g., Cisco, Palo Alto, Juniper, etc.)
- Ability to create and maintain clear technical documentation
- Strong troubleshooting, problem-solving and analytical skills
- Good communication and collaboration skills with the ability to work in a team environment
- Experience with LAN/WAN operations and protocols
- Experience working in development and operational networking environments
- A current active TS with SCI eligibility and willingness to take a polygraph exam
- Ability to obtain a CompTIA Security+ CE certification within the first 6 months of employment
- VMware vSphere configuration and maintenance experience
- A valid CompTIA Security+ CE certification
- Network certifications (CCNA, Network+, or equivalent)
- Experience with VPN technologies (site-to-site and remote access)
- Wireless networking
- Network monitoring tools
- Exposure to cloud networking (AWS, Azure or similar)
- Experience working in an enterprise or multi-site environment
- Opportunity to grow into a senior network engineering role
- Hands-on exposure to real-world network projects
- Supportive team environment with mentoring
- Competitive salary and outstanding benefits package
- Training and certification support
- Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, paid time off, and Profit-Sharing Plan (PSP) which includes both PSP contributions and an optional 401(k) plan (available immediately, and the ability to purchase company stock at a discount).
Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. And certain roles…
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