Senior Security Engineer

Our client is hiring for the following full time permanent position:

Senior Identity & Security Engineer

Full-Time | On-Site – Houston, TX (Westchase Area)

Overview

A mid-sized enterprise is seeking a
Senior Identity & Security Engineer
to take ownership of critical security platforms and help strengthen enterprise-wide protection across identity, endpoints, applications, and network layers.

This is a
hands-on engineering role
, not a policy or audit-focused position. You will be responsible for building, enhancing, and operating modern security controls while partnering closely with infrastructure, network, and development teams.

What You’ll Be Doing

Identity & Endpoint Security

• Design and manage identity security solutions within a Microsoft ecosystem
• Implement and support identity governance, privileged access workflows, and endpoint protection strategies
• Strengthen endpoint security posture through configuration, monitoring, and policy enforcement
• Oversee data protection initiatives including monitoring, classification, and loss prevention controls

Privileged Access & Access Control

• Engineer and maintain privileged access management solutions
• Manage secure credential storage, session monitoring, and access workflows
• Ensure high availability and resiliency of privileged access platforms
• Integrate access controls across systems and applications

PKI & Certificate Management

• Build and maintain enterprise certificate infrastructure
• Oversee certificate lifecycle processes including issuance, renewal, and automation
• Support secure communications across internal and external systems, including applications and APIs

Network & Application Security

• Support and optimize network security platforms including load balancing and web application protection
• Design and maintain secure traffic management and application delivery configurations
• Contribute to secure architecture for internal and external-facing applications

Security Operations & Threat Response

• Lead investigations related to security incidents and potential threats
• Perform threat detection, analysis, and containment activities
• Drive continuous improvement based on incident findings and root cause analysis

Application & Platform Security

• Collaborate with development teams to embed security into application design and delivery
• Support secure authentication and authorization models
• Participate in application threat modeling and API security design

Infrastructure & Collaboration

• Partner with infrastructure and networking teams to align security controls with enterprise architecture
• Contribute to secure design across Active Directory, virtualization, and enterprise systems
• Support ongoing improvements to system hardening and access controls

What We’re Looking For

• Strong hands-on experience across multiple security domains (identity, endpoint, network, application)
• Deep expertise in Microsoft security technologies and enterprise identity platforms
• Experience implementing and managing privileged access solutions in production environments
• Solid understanding of enterprise networking, authentication, and infrastructure security
• Experience securing applications and integrating security into development workflows
• Proven ability to troubleshoot, investigate, and resolve complex security issues
• Strong collaboration skills across technical teams

Nice to Have

• Experience working with enterprise load balancing and web application firewall technologies
• Familiarity with certificate lifecycle automation platforms
• Exposure to compliance frameworks and structured security control environments

Environment & Requirements

- 100% on-site role in
Houston, TX (Westchase area)
- Must be comfortable working in a highly collaborative, cross-functional environment

What Sets This Role Apart

- Broad ownership across
identity, infrastructure, and application security
- High-impact role with visibility across multiple technical teams
- Opportunity to
build and mature security capabilities
, not just maintain them