Security Consultant

Description

We are looking for an experienced Security Consultant to support and strengthen enterprise security operations in Dallas, Texas. This Long-term Contract position is ideal for a senior specialist with deep expertise across network, cloud, endpoint, and certificate security who can guide both daily operations and strategic improvements. The role will focus on protecting critical systems, improving security controls, and partnering with technical teams to maintain a resilient and compliant environment.

Responsibilities:
Administer and enhance web, network, and cloud security platforms, including tools such as Imperva, Zscaler, and Cisco ISE, to protect business-critical environments.
Investigate, contain, and help resolve security incidents affecting networked systems while supporting broader response and recovery activities.
Perform security reviews, control assessments, and compliance validation efforts to identify gaps and recommend corrective actions.
Create, refine, and uphold security standards, operational procedures, and governance practices across the organization.
Oversee enterprise certificate management activities, including provisioning, renewal, revocation, validation, and automation across hybrid and multi-cloud environments.
Support PKI operations through health monitoring, remediation of identified weaknesses, and maintenance of certificate authority components.
Manage cloud application and CASB security capabilities, including SaaS visibility, OAuth governance, policy enforcement, and detection of unsanctioned application use.
Maintain endpoint protection technologies, coordinate agent updates and patching, and strengthen endpoint security controls through continuous monitoring and assessment.
Partner with internal teams, external providers, and entry-level security staff to deliver projects, share expertise, and improve the effectiveness of security initiatives.

Requirements

15+ years of experience in information security with strong knowledge of network, endpoint, and data protection architectures.
Hands-on experience with security technologies such as Zscaler, Cisco ISE, Imperva, CASB platforms, endpoint protection tools, and certificate management solutions.
Demonstrated background in incident response, threat investigation, and forensic analysis within enterprise environments.
Solid understanding of vulnerability assessment, security governance, compliance practices, and risk-based remediation.
Experience administering infrastructure and supporting secure architecture across complex enterprise environments.
Strong communication and leadership abilities with a track record of mentoring team members and coordinating with cross-functional stakeholders.
Ability to stay informed on emerging threats, evolving attack methods, and modern security technologies.
Preferred certifications may include CISSP, CCNA Security, CCNP Security, CompTIA Security+, CySA+, CrowdStrike Falcon Administrator, Netskope, Zscaler, Imperva, or related security credentials.

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