Network Engineer II – Enterprise WAN/LAN (Contract‑to‑Hire)

Core BTS; Herndon (VA); On-site; USD 83,000 - 124,000; Full time

Job summary

Core BTS is seeking a Network Engineer II for a contract-to-hire opportunity in the Herndon/Reston, VA area. The role focuses on installing, administering, and maintaining enterprise network infrastructure to ensure high availability, performance, and security of business-critical applications.

The ideal candidate has 7–10 years of LAN/WAN experience, hands-on Cisco security product knowledge (ASA, Firepower), and SD-WAN expertise. U.S.

Qualifications

• Bachelor’s degree in Computer Science or related field or equivalent experience.
• 7–10 years of experience supporting enterprise LAN/WAN and routing/switching.
• Hands-on experience with Cisco security products (ASA, Firepower, etc.).
• Experience working with SD-WAN technologies.
• CCNA certification required.
• CCNP preferred.
• Able to work independently while collaborating with cross-functional teams.

Responsibilities

• Install, administer, and maintain enterprise network infrastructure.
• Support capacity planning and long-term network strategy development.
• Collaborate with network, application, and database teams to ensure scalability and availability.
• Design and support secure VPN infrastructure for vendor connectivity.
• Administer routers, switches, wireless APs, and related network hardware.
• Perform network, server, and security audits; review logs for trends and anomalies.
• Respond to and prioritize network-related tickets from the help desk queue.

Skills

SD-WAN technologies

Network engineering

Experience 7–10 years

Independent worker

Cross-functional collaboration

Education

Bachelor’s degree in Computer Science or related field

Tools

Cisco security products (ASA, Firepower)

CCNA

CCNP

Job description

Core BTS is seeking a Network Engineer II for a contract-to-hire opportunity in the Herndon/Reston, VA area. The role focuses on installing, administering, and maintaining enterprise network infrastructure to ensure high availability, performance, and security of business-critical applications.

The ideal candidate has 7–10 years of LAN/WAN experience, hands-on Cisco security product knowledge (ASA, Firepower), and SD-WAN expertise. U.S.