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AG Solution Group · 1 day ago

OT Security Engineer

Houston, TX

Full-time

Hybrid

Mid Level

AG Solution Group is a leader in providing intelligent solutions for the process industry, focusing on automation and data management. They are seeking an OT Security Engineer to secure industrial environments by managing complex OT infrastructures, assessing risks, and maintaining a resilient security posture.

Data ManagementIndustrial AutomationSecurityVirtualization

Diversity & Inclusion

No H1B

Responsibilities

Understand and manage complex and legacy OT infrastructures

Advocate for efficient and transparent solutions to ensure security

Cooperate with operations, IT, and engineering teams to assess risks

Strengthen network segmentation

Maintain a resilient OT security posture

Analyze and map complex or legacy OT networks

Implement segmentation and IP (re-)numbering of OT networks

Conduct risk assessments and develop mitigation strategies

Understand firewalls, network segmentation, and secure architecture principles

Implement at least one of the following technologies: OT-firewalling, automated network monitoring, network restructuring

Monitor networks continuously using SNMP, NetFlow, or similar protocols

Work cross-functionally with IT/OT teams to align security with production needs

Configure Fortinet firewalls

Manage Active Directory (AD)

Analyze network traffic, detect anomalies, and ensure asset visibility using Nozomi Networks solutions (e.g., Guardian)

Travel to customer sites during key project phases (e.g., commissioning, testing, audits)

Be flexible for short-term international travel

Qualification

OT security knowledgeNetwork segmentationFirewall configurationRisk assessmentSNMP monitoringPurdue model understandingSpanish languageCommunication skillsCross-functional collaborationHands-on experience

Required

In-depth knowledge of OT security and networking in industrial environments (e.g., SCADA, PLCs, DCS)

Skilled in analyzing and mapping complex or legacy OT networks

Hands-on experience with segmentation and IP (re-)numbering of OT networks

Experienced with risk assessments and developing mitigation strategies

Practical understanding of firewalls, network segmentation, and secure architecture principles

Understanding of the Purdue model

Hands-on experience in implementation of at least one of the following technologies (OT-firewalling, automated network monitoring, network restructuring)

Proficient in continuous monitoring using SNMP, NetFlow, or similar protocols

Works cross-functionally with IT/OT teams to align security with production needs

Knowledge of Fortinet firewalls configuration

Experience with Active Directory (AD) management

Travel required to customer sites during key project phases (e.g., commissioning, testing, audits). Flexibility for short-term international travel is essential

Excellent communication in English

Preferred

Hands-on experience with Nozomi Networks solutions (e.g., Guardian) for network traffic analysis, anomaly detection, and asset visibility in industrial/OT environments

Cisco certificate

Palo Alto firewall configuration

Spanish is a plus

Preferred location is Houston, Texas

Benefits

Competitive Compensation

Comprehensive health insurance

Learning and development opportunities for professional growth (AG Academy, language courses, training programs, conferences, webinars and mentorship).

Work-life balance (remote work options, flexible hours).

A supportive, international and rewarding work environment.

Company

AG Solution Group

AG Solution: Powering Smart Enterprise Breakthroughs in Industry 4.0 In the race towards Industry 4.0, AG Solution doesn't just guide digital transformations—we architect them with unparalleled expertise and relentless innovation.

Founded in 2007