Cyber Security Engineer

Ethereum Technologies; Fremont (CA); On-site; USD 110,000 - 170,000; Full time

Job summary

Ethereum Technologies in Fremont, CA is seeking a Cyber Security Engineer for a long-term contract to strengthen enterprise security operations. The role demands hands-on expertise in network protection, firewall administration, and secure infrastructure management.

You will maintain resilient controls, improve configuration standards, review firewall rules, and coordinate with cross-functional teams to minimize risk and protect critical systems from evolving threats.

Qualifications

• Hands-on cybersecurity engineering experience.
• Experience with Check Point firewall administration in enterprise environments.
• Strong knowledge of Cisco ASA platforms and network security.
• Experience supporting configuration management for security infrastructure.

Responsibilities

• Administer and optimize cybersecurity controls across network and infrastructure environments.
• Manage, monitor, and troubleshoot Check Point and Cisco ASA firewall platforms to ensure reliable security connectivity.
• Review firewall rules, implement policy updates, and enforce access controls per security best practices.
• Maintain accurate configuration standards and support change activities to improve consistency across security devices.
• Investigate security issues affecting network defenses and coordinate timely resolution to minimize operational risk.
• Partner with technical teams to align security measures with infrastructure needs and compliance expectations.
• Assess existing security configurations and recommend enhancements that strengthen the defensive posture.

Skills

Firewall administration

Network security

Policy management

Troubleshooting

Configuration management

Cybersecurity engineering

Risk mitigation

Tools

Check Point firewall

Cisco ASA

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

We are looking for a Cyber Security Engineer to support and strengthen enterprise security operations in Fremont, California. This Long-term Contract position is ideal for a detail-oriented individual who brings hands-on expertise in network protection, firewall administration, and secure infrastructure management. The role focuses on maintaining resilient security controls, improving configuration standards, and helping protect critical systems from evolving threats.

Responsibilities

• Administer and optimize cybersecurity controls across network and infrastructure environments to maintain strong system protection.
• Manage, monitor, and troubleshoot Check Point and Cisco ASA firewall platforms to ensure reliable and secure connectivity.
• Review firewall rules, implement policy updates, and enforce access controls in line with security best practices.
• Maintain accurate configuration standards and support change activities to improve consistency across security devices.
• Investigate security issues affecting network defenses and coordinate timely resolution to minimize operational risk.
• Partner with technical teams to align security measures with infrastructure needs and compliance expectations.
• Assess existing security configurations and recommend enhancements that strengthen the overall defensive posture.

Requirements

• Proven experience working in cybersecurity engineering or a closely related security-focused role.
• Hands-on knowledge of Check Point firewall administration in enterprise environments.
• Practical experience with firewall technologies, including policy management, rule review, and troubleshooting.
• Strong working knowledge of Cisco ASA platforms and related network security functions.
• Experience supporting configuration management processes for security infrastructure.
• Solid understanding of core cybersecurity principles, risk mitigation, and secure network design.
• Ability to analyze technical issues, prioritize actions, and communicate effectively with cross-functional teams.

We are an equal opportunity employer.

All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs.

We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.