[Remote] Sr. Network Infrastructure Engineer

Note: The job is a remote job and is open to candidates in USA. ASCENDING Inc. is seeking a seasoned Senior Engineer with deep expertise in networking, server infrastructure, and virtualization technologies to support a critical 4-month project. The ideal candidate will have hands-on experience with VMware and Hyper-V environments, as well as extensive knowledge of Cisco and Palo Alto Networks solutions.

Responsibilities

• Design, deploy, configure, and troubleshoot networking and server infrastructure across multi-vendor environments
• Manage and optimize virtualization platforms (VMware vSphere, Hyper-V), including VM provisioning, performance tuning, and upgrades
• Install, configure, and support Cisco network devices (switches, routers, firewalls) and Palo Alto firewalls/security appliances
• Analyze and resolve complex network, server, and virtualization performance issues
• Implement network security best practices, firewall rules, VPNs, and segmentation strategies
• Work closely with cross-functional IT teams to deliver infrastructure solutions and support project goals
• Create and maintain technical documentation, diagrams, and operational procedures
• Participate in incident response, root cause analysis, and contribute to proactive infrastructure improvements

Skills

• 7+ years of experience in networking and server engineering roles
• Advanced expertise in VMware vSphere and Microsoft Hyper-V environments
• Strong hands-on experience with Cisco networking (routers, switches, firewalls)
• Deep working knowledge of Palo Alto Networks firewalls and security products
• Solid understanding of network security, VLANs, VPN, and routing protocols
• Familiarity with Windows and Linux server administration
• Proven ability to troubleshoot and resolve complex infrastructure issues in enterprise environments
• Excellent communication skills and ability to work effectively in a remote, collaborative setting
• Relevant certifications (CCNP, PCNSE, VCP, or similar) are a strong plus

Company Overview

The ASCENDING team commits to delivering scalable and high-available cloud solutions to clients. It was founded in 2018, and is headquartered in Fairfax, Virginia, USA, with a workforce of 11-50 employees. Its website is https://ascendingdc.com/.

Company H1B Sponsorship

ASCENDING Inc. has a track record of offering H1B sponsorships, with 4 in 2025, 8 in 2024, 7 in 2023, 6 in 2022, 9 in 2021, 2 in 2020. Please note that this does not guarantee sponsorship for this specific role.