Onsite Cisco Network Security Engineer for IT/OT

Hithium Tech USA Inc HQ; Forney (TX); Presencial; USD 110.000 - 150.000; Jornada completa

Descripción de la vacante

ADP, Inc. in Forney, TX seeks a Network Security Engineer to secure and support the enterprise and manufacturing network infrastructure.

The role blends traditional network engineering with cybersecurity to safeguard IT and OT environments, requiring hands-on Cisco experience in a fast-paced manufacturing setting. The ideal candidate will have strong problem-solving skills, excellent documentation, and the ability to work onsite with cross-functional teams.

Formación

• Bachelor’s degree or equivalent practical experience in a related field.
• Minimum 5 years of professional networking experience.
• Minimum 3-5 years of cybersecurity experience.
• Strong hands-on expertise with Cisco networking technologies.
• Experience with firewalls, VPNs, IDS/IPS, network segmentation, authentication technologies, and access controls.
• Strong understanding of network security principles and best practices.
• Manufacturing environment experience preferred with OT network requirements.
• Excellent troubleshooting, documentation, and communication skills.
• Ability to work onsite with cross-functional teams in a manufacturing environment.
• Proficiency in Mandarin.

Responsabilidades

• Design, implement, and maintain Cisco-based LAN/WAN infrastructure across enterprise and manufacturing environments.
• Configure, manage, and troubleshoot Cisco routers, switches, wireless infrastructure, and network appliances.
• Monitor and analyze network performance to ensure high availability and reliability.
• Support OT and IT network segmentation initiatives to maintain operational security and uptime.
• Perform network upgrades, capacity planning, and infrastructure optimization.
• Maintain accurate network documentation, diagrams, and SOPs.
• Assist with day-to-day break/fix network incidents and escalated support requests.
• Administer and support firewalls, VPNs, and other network security technologies.
• Monitor security alerts and investigate suspicious activity across enterprise and OT environments.
• Assist with vulnerability management, remediation efforts, and patch management processes.
• Participate in security incident response activities and support compliance initiatives.
• Manage and support MFA, secure remote access solutions, and access control technologies.
• Collaborate with IT and operational teams to implement and maintain security best practices.
• Support cybersecurity compliance efforts and contribute to security audits and assessments.

Conocimientos

Cisco networking

Firewall & VPN expertise

Network security principles

OT/IT convergence knowledge

Troubleshooting & documentation

On-site collaboration

Mandarin language

Educación

Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or related field

Herramientas

Cisco devices

IDS/IPS systems

Security monitoring tools

SOP documentation

Descripción del empleo

ADP, Inc. in Forney, TX seeks a Network Security Engineer to secure and support the enterprise and manufacturing network infrastructure.

The role blends traditional network engineering with cybersecurity to safeguard IT and OT environments, requiring hands-on Cisco experience in a fast-paced manufacturing setting. The ideal candidate will have strong problem-solving skills, excellent documentation, and the ability to work onsite with cross-functional teams.