Senior Security Engineer Job at Robert Half (Houston)

Senior Security Engineer

Robert Half

Location:
United States , Houston

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

The Senior Security Engineer is a hands-on technical expert responsible for designing, implementing, and operating security technologies in mid-size Enterprise environment. This position focuses on engineering, maintaining, and continuously improving enterprise security controls across identity, endpoint, network, and application security domains. The engineer collaborates closely with infrastructure, networking, and development teams to ensure security controls are seamlessly integrated into enterprise systems and services, thereby strengthening and advancing the organization’s overall security posture.

Job Responsibility:

Designing, implementing, and operating security technologies in mid-size Enterprise environment
Engineering, maintaining, and continuously improving enterprise security controls across identity, endpoint, network, and application security domains
Collaborating closely with infrastructure, networking, and development teams to ensure security controls are seamlessly integrated into enterprise systems and services
Strengthening and advancing the organization’s overall security posture
Architecting and troubleshooting production-grade deployments
Leading investigations and coordinating response actions

Requirements:

Strong hands-on experience securing Microsoft enterprise environments, including: Microsoft Entra ID identity governance and administration
Privileged Identity Management (PIM) implementation and operations
Endpoint and identity protection using Microsoft Defender XDR
Endpoint management and hardening with Microsoft Intune
Data protection and monitoring using Microsoft Purview including: Data Loss Prevention (DLP), Insider Risk Management / Insider Threat monitoring
Deep operational and engineering experience with: CyberArk Privileged Access Manager
Experience designing and managing enterprise PKI environments including: Microsoft Active Directory Certificate Services, Certificate lifecycle management platform (Keyfactor, Secitgo, etc), TLS certificate automation and renewal processes
Hands-on engineering experience with enterprise network security platforms: F5 BIG-IP Local Traffic Manager (LTM), F5 Advanced WAF / Web Application Firewall configuration, Load balancing architecture and traffic management, High availability and disaster recovery design for network security platforms, Cisco Secure Access – Web Security
Strong foundational knowledge in: Enterprise networking (routing, segmentation, firewalls, load balancing), Windows enterprise environments, Active Directory architecture and security, Authentication protocols and identity infrastructure, VMware ESXi Architecture & operation
Strong capability in security operations including: Threat hunting, Incident detection and response, Incident containment and remediation, Root cause analysis and post-incident improvements
Strong understanding of secure application development and application security practices: Secure coding principles, API security architecture, Authentication and authorization design, Application threat modeling, Integration of security into development pipelines
Strong working knowledge of security frameworks and control standards including: National Institute of Standards and Technology (NIST) security frameworks, ISO/IEC 27002 security controls

What we offer:

Medical, vision, dental, and life and disability insurance
Enrollment in company 401(k) plan

Additional Information:

Job Posted:
May 20, 2026

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