ES Foundry · 1 day ago
Network Engineer
ES Foundry is seeking a highly skilled Staff Network Engineer with a strong background in network & security to join their IT infrastructure team. The role involves designing, implementing, and maintaining robust network systems while ensuring the highest standards of security across the organization.
Responsibilities
Design, deploy, and manage enterprise network infrastructure, including LAN, WAN, VPN, and cloud connectivity
Implement and maintain network security solutions (firewalls, IDS/IPS, NAC, etc.), ensuring compliance with industry best practices
Monitor network performance, identify vulnerabilities, and respond to security incidents in a timely manner
Automate tasks and monitor their effectiveness
Create, oversee and test security measures (e.g. access authentication)
Collaborate with cross-functional teams to develop and enforce security policies and procedures
Conduct regular network audits, penetration tests, and risk assessments
Stay current with emerging security threats, technologies, and regulatory requirements
Provide technical leadership and mentorship to junior engineers
Must be willing to participate in on-call or onsite support in the nights & weekends to support incident troubleshooting
Qualification
Required
Bachelor's degree in Computer Science, Information Technology, or related field (Master's preferred)
8+ years of experience in network engineering, with at least 3 years focused on system security
Expertise with routing, switching, and wireless technologies (Cisco, Juniper, Aruba, etc.)
Hands-on experience with security platforms such as firewalls (Palo Alto, Fortinet, WatchGuard, etc), IDS/IPS, and SIEM tools
Strong understanding of TCP/IP, VPNs, VLANs, and network protocols
Relevant certifications (e.g., CCNP Security, CISSP, CISM, or equivalent) are highly desirable
Excellent analytical, problem-solving, and communication skills
Preferred
Experience with cloud networking and security (AWS, Azure, GCP)
Knowledge of scripting or automation tools (Python, Ansible, etc.)
Ability to work independently and as part of a collaborative team
Proven track record of delivering complex network projects on time and within budget
Company
ES Foundry
ES Foundry produces solar cells made from silicon for use in solar energy projects.
H1B Sponsorship
ES Foundry has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (28)
2024 (18)
Funding
Current Stage
Growth StageRecent News
2025-12-06
PV Magazine
2025-09-30
Company data provided by crunchbase