Senior Specialist Network Security

Linde; Houston (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Linde in Houston is seeking a senior network security leader to oversee global incident response and strategy, focusing on Palo Alto, Zscaler, and zero-trust architectures.

You will serve as regional technical authority, guiding cross-functional teams, defining security services, metrics, and governance, and collaborating with leadership on risk and investment decisions. This role requires travel and strong communication across time zones.

Qualifications

• Bachelor’s degree in computer science, information technology, or equivalent work experience.
• 7–10 years of IT network/security experience, e.g., Firewall Admin.
• Formal training or certification in network security preferred.

Responsibilities

• Provide strategic oversight and expert guidance for resolving Level 2 and 3 security incidents across the Americas and globally.
• Lead deployment and adoption of Palo Alto and Zscaler technologies with stakeholders.
• Own and govern network security services and appliances across Office, Cloud, and OT environments.
• Define and drive zero-trust security initiatives with global leadership.
• Establish and monitor KPIs for network security services.
• Lead development and governance of security control frameworks and architecture standards.
• Ensure controls comply with policies, regulatory requirements, and best practices.
• Provide technical leadership to project teams, vendors, and service providers.

Skills

Strategic leadership

Network security

Zero Trust

Palo Alto Firewall

Zscaler

Cross-functional collaboration

Technical communication

Education

Bachelor's degree or equivalent

Tools

PANORAMA

Global Protect

ZIA

ZPA

ZDX

Job description

*This position is not eligible for visa sponsorship. All applicants must be legally authorized to work in the United States without the need for current or future sponsorship.

• Provide strategic oversight and expert guidance for resolving Level 2 and Level 3 network security incidents across the Americas and globally, focusing on Zscaler Internet Access, Zscaler Private Access, and Palo Alto Firewall
• Serve as the recognized regional technical authority for network security projects, leading deployment and adoption of Palo Alto and Zscaler technologies in partnership with business, infrastructure, and security stakeholders
• Own, define, and govern network security services and appliances globally for Office, Cloud, and Operations Technology environments, ensuring alignment with global technology strategy and business needs
• Define, drive, and continuously improve zero-trust security initiatives in collaboration with global cybersecurity, infrastructure, and business leaders, aligning with enterprise security strategy and emerging business requirements
• Evaluate emerging cybersecurity trends, technologies, and industry best practices to promote adoption of next-generation security capabilities supporting digital transformation initiatives
• Establish and monitor operational key performance indicators and metrics for network security services to drive continuous improvement in effectiveness, availability, and maturity
• Lead development and governance of network security control frameworks, policies, and architecture standards to ensure consistent security control implementation and cyber risk mitigation
• Ensure network security controls comply with corporate cybersecurity policies, regulatory requirements, and industry best practices, advising leadership on emerging risks and supporting audit and compliance activities
• Provide technical leadership and strategic direction to project teams, vendors, consultants, and managed service providers to ensure successful execution of security initiatives through effective planning and risk management
• Act as a trusted advisor to IT and business leadership on network security strategy, technology investments, architecture decisions, cybersecurity risk, and future-state security capabilities
• Influence enterprise technology standards, architecture decisions, and security investment priorities by developing business cases, technical recommendations, and strategic roadmaps
• Mentor and develop team members by sharing expertise, promoting best practices, and fostering a culture of continuous learning and professional growth globally

Qualifications

• Bachelor’s degree in computer science, Information Technology, or a related field, or equivalent work experience.
• Minimum of 7-10 years of relevant IT network / security experience e.g. as Firewall Admin.
• Experience in the following products / Technologies or related
• Palo Alto Firewall – NGFW, PANORAMA, Global Protect
• Zscaler Internet Access ZIA, Zscaler Private Access ZPA, Zscaler Digital Experience ZDX
• Cloud-based security technology
• Zero Trust Network Access / Zero Trust Segmentation
• Formal training and preferably certification in network security technology
• Advanced technical knowledge of network & security concepts
• Experience working in globally distributed teams across locations, time zones and cultures
• Excellent communication and leadership skills: ability to perform under pressure and detail oriented
• Ability to communicate, explain and implement zero trust concepts to business and IT leadership
• Must be willing to travel based on the demands of the job