Top Senior Cyber Security Jobs in Dallas, TX

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.

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.

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 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.

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.

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.

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.

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 end-to-end product management for enterprise security operations platforms, translating SOC/operator needs into roadmaps, user stories, and validated AI use cases. Manage vendors, enforce SLA and model validation, coordinate Agile delivery, UAT, adoption, and report platform and AI performance to senior leadership.

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.

Secure enterprise information by monitoring, implementing, and reviewing security systems. Identify and remediate threats and vulnerabilities, perform risk assessments, develop global security strategies, and implement security policies and controls. Focus on network security, multi-OS environments, and McAfee ePolicy Orchestrator operations across a global enterprise.

Lead AWS security architecture and governance, monitor and respond to incidents, manage risks and vulnerabilities, ensure compliance (ISO27001, SOC2, PCI-DSS, GDPR), automate security workflows, mentor teams, and integrate security across development and operations.

Lead network security architecture and firewall projects, implement and operationalize FireMon policy optimization, provide L2-L3 support and 24x7 response for priority incidents, handle work orders, change requests, and customer-facing consulting engagements.

Design, implement, and operate enterprise encryption, tokenization, and key management platforms. Lead hands‑on development of production services, ensure high availability, observability, disaster recovery, and compliance alignment. Influence architecture, mentor engineers, improve performance and developer experience, and partner with security, compliance, and application teams to integrate secure data protection solutions.

Lead and operate information security controls and programs for a global organization. Perform risk assessments, vulnerability and penetration testing, incident response, IAM reviews, third-party risk assessments, phishing program management, audits/compliance, and security consulting. Manage security tooling and documentation while partnering with stakeholders to implement and mature security standards and remediation activities.

Lead security architecture design and implementations, provide L2-L3 support and 24x7 incident response, manage work orders/change requests, perform on-site technical implementations and client consulting, and ensure delivery of enterprise security solutions.

Senior Systems Engineer responsible for auditing network security compliance, designing and supporting network infrastructure, and hands-on implementation/configuration. Requires deep Windows and IIS administration, Active Directory expertise, and experience with VPNs, firewalls, load balancers, routing, and Ethernet technologies.

Lead strategy and technical execution of vulnerability management, offensive security, and AI-augmented defenses. Own full VM lifecycle, integrate scanning and asset systems, automate remediation, generate security insights, define KPIs/SLAs, advise executives, and mentor engineers to improve organizational security posture and compliance.

Designs, implements, and maintains enterprise identity and access management (AD DS, Entra ID, SSO, MFA). Architects RBAC, JIT, conditional access and non-human identity governance. Leads PKI, privileged access, detection engineering, identity incident response, automation (PowerShell, APIs, IaC), and Tier-3 support. Collaborates across security, DevOps, and infrastructure, authors documentation and runs on-call rotation.

Monitor and triage security events across SIEM, M365 Defender, AWS and enterprise tools; investigate incidents, perform threat hunting, correlate telemetry, produce incident reports, recommend containment and remediation, collaborate with engineering and risk teams, maintain SLAs, and participate in SOC on-call rotation.