Senior Security Engineer (Houston)

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