Top Senior Cyber Security Jobs in Dallas, TX

Lead and mentor engineers to design, implement, and optimize hyperscale network security. Manage firewalls, proxies, segmentation, incident escalation, vulnerability assessments, and remediation. Build automation playbooks and integrate tools (Python, Terraform, vendor APIs) for lifecycle management. Coordinate with DevOps, infrastructure, and application teams to embed Zero Trust and secure cloud networking practices.

Design, implement, and maintain scalable network security controls (firewalls, IDS/IPS, VPNs) across on-prem and cloud. Drive segmentation, security standards, monitoring/SIEM investigations, architecture reviews, automation, and mentor junior engineers.

Lead design and operation of platform vulnerability management and real-time threat detection across bare-metal, containers, and cloud. Integrate security into CI/CD and IaC, run triage/prioritization, automate posture assessment, conduct platform security assessments, and collaborate with engineering to drive remediation and hardening.

Lead and grow a team protecting network and infrastructure for a large HPC/cloud environment. Oversee network security architecture, segmentation/micro-segmentation, edge security, exposure management, vulnerability scanning and remediation, and infrastructure hardening. Partner with infrastructure, cloud, and IT operations; translate technical risk into executive reporting and evolve security posture against emerging threats.

Lead and deliver large enterprise security engagements: design, deploy, and modernize security architectures (primarily Microsoft/Azure), drive vulnerability management, data protection, compliance, and automation, and serve as a trusted client advisor and technical leader across cloud and hybrid environments.

Implement DevSecOps controls across CI/CD pipelines, automate SAST/DAST/SCA and container scanning, secure cloud and Kubernetes infrastructure, and integrate vulnerability management into development workflows. Support compliance (SOC2/FedRAMP/DoD standards), assist teams with remediation, and document DevSecOps processes while collaborating with developers, QA, and customer security teams.

Lead vulnerability management activities across cloud and on-prem environments: run and analyze scans, prioritize and track remediation, develop automation and reporting, support incident response, and help maintain compliance with NIST, CMMC, and ISO standards.

Senior UI developer responsible for designing and building responsive React-based UIs and dashboards for cybersecurity analytics. Develop backend services and APIs in Python, integrate security data sources, optimize SQL Server/PostgreSQL reporting, collaborate with stakeholders, influence architecture, and mentor junior developers.

Lead design and delivery of enterprise cybersecurity visualizations and executive dashboards. Integrate vulnerability, threat intelligence, and infrastructure data to drive prioritization, remediation, SLA compliance, and measurable cyber risk improvements across global teams.

Design, implement, and maintain network and access security solutions; develop and tune detections, correlation rules, and behavioral analytics; build CI/CD pipelines for detection content; lead incident investigations and recoveries; support risk assessments, security architecture, vendor strategy, and security incident response planning.

Lead design and delivery of enterprise network and access security solutions, develop risk and incident response strategies, perform threat hunting and detection analytics, build ML/statistical models for security use cases, and serve as technical SME across security architecture, access management, and analytics.

Lead design and scaling of a global program to drive customer adoption of priority security controls. Build adoption playbooks, identify program opportunities, partner cross-functionally with Security, Product, and Customer Success, report program impact, and present strategic recommendations to senior leadership.

Lead strategy and productization of Trend Micro's CNAPP portfolio across AWS, Azure, and GCP. Define roadmap, embed AI/ generative AI into cloud security features, collaborate with R&D to deliver cloud-native solutions, enable field teams, engage customers and executives for requirements, and drive go-to-market positioning and success metrics.

Lead and technically oversee the GRC cybersecurity program, manage and mentor the security team, assess and report risk posture, review vulnerability/pen test results, drive remediation, liaise on business continuity, and oversee third-party security risk and security awareness initiatives.

Lead and manage day-to-day Security Operations (SOC) across US time zones: act as Incident Commander, drive incident detection/response and automation, develop detection content, mentor analysts, run SOC projects, liaise with stakeholders, and continually improve operational effectiveness.

Lead and coach security architecture and automation teams to design and implement cloud and on-premise security solutions. Develop security patterns, automate security tooling and CI/CD testing, prototype and standardize cloud security controls, monitor threats, and drive data-driven KPIs to improve reliability and reduce risk.

Lead and operate a geographically dispersed Security Operations team, act as Incident Commander, mentor analysts, drive detection engineering and automation, manage incident response and remediation, and partner with stakeholders to improve SOC effectiveness and run security projects from requirements to completion.

Lead global cybersecurity strategy, controls, and risk management across international locations. Identify vulnerabilities, run root-cause investigations, drive remediation, enforce frameworks (ISO 27001, NIST), and embed controls across infrastructure, applications, and suppliers. Oversee disaster recovery, business continuity, audit responses, and continuous improvement to strengthen detection, response, and security posture.

Drive strategic enterprise sales to public-sector and critical-infrastructure clients. Build CxO relationships, own the full sales cycle, collaborate with services and OEM partners, forecast pipeline, and meet revenue and margin targets. Leverage consultative selling to position cybersecurity solutions, engage ecosystem partners, and travel extensively to client sites and events.

Maintain and interpret cybersecurity compliance standards (NERC CIP, NIST, ISO, etc.), administer internal control systems, support audits, investigate non-compliance, design corrective actions, and identify automation opportunities while collaborating with plant teams and stakeholders.

Serve as the cybersecurity SME for the generation fleet: lead segmented architecture deployments and vulnerability remediation, develop fleet-wide standards, oversee compliance audits, lead incident root-cause analysis, build dashboards/metrics, and represent cybersecurity on capital projects and plant upgrades.

Serve as primary SIEM/SOC escalation point: investigate and triage network security events, document findings, communicate with stakeholders, tune detections, oversee threat and vulnerability management, implement automations with platform teams, and lead brand collaboration calls. Provide incident response, threat intelligence analysis, and occasional on-call support across a global enterprise.

Lead design, implementation, and maintenance of enterprise PKI systems. Support certificate lifecycle management (CLM), configure CAs and templates, manage HSMs and RAs, automate processes with Ansible, Terraform, and PowerShell, enforce key-management policies, and troubleshoot certificate/TLS issues to maintain secure operations.

Serve on the CISO Cybersecurity Architecture team to embed security into Azure-native and hybrid cloud solutions, define reusable security patterns across Microsoft ecosystems, evaluate designs/PoCs, mentor engineering teams on secure coding and cloud-native controls, and drive governed, scalable security architectures that support AI, low-code, and data governance adoption.

Lead design, deploy, operate, and maintain endpoint security solutions (CrowdStrike, Skyhigh, Symantec DLP, Zscaler). Monitor telemetry into SIEM/SOAR, perform upgrades/migrations, troubleshoot detections, drive automation, evaluation of new tech, and maintain documentation to strengthen endpoint security posture.