Top Cyber Security Jobs in Dallas, TX

Lead global security engineering and 24x7 operations for network, endpoint, cloud, and data protection platforms. Define strategy, drive modernization, enable secure cloud and AI adoption, ensure regulatory compliance, report metrics to executives, and build senior technical leadership.

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.

Support the bank's second-line information security risk and compliance function by performing recurring and ad hoc control oversight (user access reviews, vendor due diligence/monitoring), validating control evidence, documenting findings, escalating exceptions, maintaining risk/vendor tracking systems, and assisting with audit and regulatory readiness.

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.

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, 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.

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.

Lead cross-service cybersecurity programs for enterprise cryptographic and trust services (PQC, PKI, secrets management, machine identity). Coordinate engineering teams, manage dependencies, track milestones/risks, analyze architectures, run governance and readiness assessments, and deliver metrics and executive updates to align cryptographic platforms with enterprise initiatives.

Support and coordinate enterprise cyber risk governance: maintain frameworks, policies, control mappings, taxonomies, and reporting. Facilitate assessments, evidence collection, stakeholder coordination, and reporting to senior management and governance forums, ensuring regulatory and audit traceability.

Lead DTCC's cloud-first security architecture and strategy, focusing on AWS/Azure platforms. Define security reference architectures, standards, and roadmaps; advise senior stakeholders; evaluate emerging security technologies; mentor a team of security architects; embed security by design across cloud modernization and DevSecOps initiatives.

Lead open-source license compliance and security for embedded platforms, drive vulnerability management and scanner triage, automate DevSecOps pipelines and CI/CD security gates, produce SBOMs, standardize reproducible builds and artifact governance, perform risk assessments, and provide developer training and guidance on secure implementation.

Lead vulnerability management strategy and execution across cloud and hybrid environments. Own end-to-end vulnerability lifecycle, drive automation, perform data-driven prioritization with advanced SQL, and partner with engineering, risk, and incident response teams. Provide hands-on engineering, on-call support, mentoring, and offensive security research to reduce exposure and improve operational reliability.

Lead secure design, deployment, and governance of cloud systems; assess and mitigate cloud risks; integrate security into CI/CD; perform threat modeling; evaluate third-party cloud tools; support incident response, audits, and regulatory compliance in a financial environment.

Manage and secure enterprise identity platforms and hybrid Microsoft cloud integrations. Implement IAM frameworks (RBAC, PIM, conditional access, MFA, SSO), monitor and respond to identity incidents, perform access reviews, support PAM and vendor remote access, develop automation scripts, provide Tier 3 support, and collaborate with security/compliance teams to enforce identity governance and harden on-prem and cloud environments.

Manage and mature identity security posture by continuously discovering identity exposures, prioritizing and orchestrating remediation, producing audit-ready evidence and metrics, integrating ISPM with tooling, and advising stakeholders to reduce identity attack paths and privileged access risk across enterprise systems.

Design, implement, and maintain security solutions across on-premises and cloud (AWS/Azure). Perform vulnerability and penetration testing, monitor/respond to incidents, manage security tools (SIEM, EDR, Intune, SCCM), enforce policies, support audits/compliance, and provide advisor-focused security guidance and training.

Design, implement and maintain network security solutions (firewalls, IDS/IPS, proxies). Investigate compromises, manage security policies, support remediation, troubleshoot complex network and connectivity issues, and produce process documentation.

Lead Oracle Identity and Access Management implementations: consult on business processes and architecture, develop/lead Oracle IDAM work, integrate Active Directory, manage SDLC deployments, perform identity administration, reconciliation and reporting, handle environment migrations and audit log retention, and coordinate stakeholders and offshore teams.

Analyze system architectures and develop security requirements to enforce client policies and standards. Manage multiple fast-paced projects, identify and document security risks with threat analyses and proposed controls, and communicate findings clearly to stakeholders.

Lead efforts to prevent, monitor, and respond to information/data breaches and cyber-attacks. Assist incident investigations, perform technical risk and vulnerability assessments, support secure system development (authentication, encryption), coordinate remediation, develop procedures, mentor team members, and ensure compliance with Citi's information security policies.

Advise cloud, IAM, and engineering teams on secure configurations, architecture reviews, CSPM remediation, logging/monitoring, and incident response for primarily Azure (plus AWS/GCP). Support audits, documentation, ISO27017 activities, and participate in on-call security rotations.

Lead security architecture design, implement and troubleshoot firewall and network security solutions, operate FireMon policy optimization, provide Level 2-3 support, handle work orders/change requests/incidents, and deliver on-site/remote consulting and 24x7 response for critical incidents.