Top Senior Cyber Security Jobs in San Antonio, TX

Leads enterprise Identity, Credential, and Access Management architecture and application security integration for Defense Logistics Agency mission systems. Defines identity, authentication, authorization, access governance, provisioning, and integration requirements; designs secure architecture patterns; supports application onboarding and modernization; and guides RBAC, privileged access management, and segregation of duties implementations. Provides technical leadership and communicates recommendations to government stakeholders, application owners, engineers, developers, and cybersecurity teams.

Lead technical marketing for API, AI agent, and application security by deploying and testing Akamai products, building PoCs, demos, labs, and attack simulations, creating technical content and enablement, validating messaging, and presenting technical briefings while collaborating with product, engineering, and field teams.

Leads enterprise cybersecurity monitoring, threat detection, vulnerability management, SIEM analytics, threat hunting, incident response, and continuous monitoring for federal and DoD-aligned environments. Oversees ACAS/Nessus scanning, STIG validation, patch compliance, detection engineering, threat intelligence, reporting, and remediation coordination. Collaborates with cloud, DevSecOps, ISSO, and engineering teams while mentoring junior analysts and improving security automation.

Monitors SIEM dashboards, correlates logs across security and cloud sources, investigates alerts, assesses threats, performs preliminary incident triage, tunes detection rules, documents findings, and escalates high-risk events. The analyst supports continuous monitoring, SOC playbooks, detection use cases, reporting, and coordination with incident response and engineering teams in a DoD-aligned environment.

Designs and implements secure cloud architectures, IL5 controls, STIG-aligned hardening baselines, identity integrations, and cybersecurity controls for federal and DoD-aligned platforms. Performs security assessments, vulnerability analysis, continuous monitoring, secure deployment reviews, audit support, and remediation planning. Requires expertise in AWS, NIST, RMF, PKI, SIEM, and cloud security, along with mentoring junior engineers and documenting technical architectures. The role is fully remote but requires an active Top Secret clearance and substantial security engineering experience.

Performs application security assessments, secure code reviews, API and CMS security testing, threat modeling, vulnerability analysis, and remediation validation. Integrates SAST, DAST, dependency scanning, secrets management, and security controls into CI/CD pipelines. Advises developers and architects on secure coding, authentication, encryption, and DevSecOps practices while supporting monitoring and incident triage. Requires an active Top Secret clearance, technical bachelor’s degree, seven years of relevant experience, and Security+, CISSP, or CCSP certification.

Supports AWS GovCloud IL5 cybersecurity compliance and security operations. Performs RMF impact analysis, maintains SSPs, POA&Ms, SARs, and control evidence, validates STIGs and cloud configurations, monitors vulnerabilities and logs, supports IL5 migrations, audits, ATO activities, and continuity planning, and documents remediation and compliance findings.

The role involves leading security initiatives, building security tools, conducting vulnerability assessments, and collaborating with teams to enhance cloud security and risk management.

Build Ent’s endpoint data-protection layer for classifying sensitive data, tracing provenance, and enforcing egress policies across devices, applications, networks, removable media, browsers, and AI tools. Develop cross-platform interception and content inspection capabilities, integrate on-device language models, optimize performance, produce forensic evidence, investigate compatibility issues, and improve detection precision for enterprise customers.

Deliver cybersecurity assessments, architecture reviews, maturity evaluations, security roadmaps, and implementation guidance for enterprise clients. Assess on-premises, cloud, hybrid, identity, OT, and ICS environments; identify risks and security gaps; produce reports; and present recommendations to technical and executive stakeholders. Support incident response and post-incident improvements, collaborate with engagement managers and specialists, contribute to consulting methodologies, and stay current on threats and security best practices. Travel is approximately 20%.

Architects and maintains cybersecurity infrastructure, policies, standards, and compliance programs. Leads vulnerability reviews, remediation, risk assessments, incident response, forensic investigations, security audits, and regulatory compliance efforts. Develops security strategies, certification methodologies, monitoring plans, and disaster recovery/business continuity architectures. Coordinates security implementations across IT and business departments, reports to the CISO, and promotes security awareness and training.

Lead architecture and scaling of an automated, AI-driven vulnerability detection and remediation platform across cloud, containers, and applications. Correlate SAST/DAST/SCA findings, implement AI-assisted triage, run red/purple team validation, and build automated remediation pipelines integrated into CI/CD for continuous compliance and risk reduction.

Designs, implements, and maintains enterprise IAM solutions across hybrid on-premises and cloud environments. The role drives Zero Trust modernization, identity automation, access governance, privileged access controls, threat monitoring, and automated response. Responsibilities include evaluating security technologies, mitigating identity risks, supporting compliance and audit readiness, and establishing security standards. The engineer collaborates with infrastructure, application, and security teams and participates in rotational on-call, weekend, and holiday support.

Own and evolve the application security program: embed secure SDLC practices, partner with engineering on design and code reviews, manage AppSec tooling (SAST/DAST/ASM/WAF/mobile), harden AWS deployments, integrate security into CI/CD, and lead vulnerability investigation and remediation efforts.

Own strategic post-sales relationships with enterprise customers, advising them on AI security and governance. Lead discovery, define measurable outcomes, drive adoption, support retention and expansion, and coordinate Product, Engineering, Security, Support, and operationalization teams. Translate CISO-level strategy, GRC concerns, business objectives, and technical requirements into practical solution strategies while identifying new AI security use cases and growth opportunities.

Monitors, detects, investigates, and responds to enterprise cybersecurity threats within a Security Operations Center. Responsibilities include SIEM and EDR alert triage, incident response, endpoint and identity threat analysis, cloud security monitoring, vulnerability remediation support, and investigation of phishing, malware, ransomware, and unauthorized access. The analyst also supports Zero Trust initiatives, SOAR automation, playbook development, root-cause analysis, and continuous improvement of security operations.

Secure Temporal’s development pipeline, product, and customer execution environments. Partner with engineering teams on secure architecture, threat modeling, risk assessments, code and software supply-chain security, vulnerability triage, Kubernetes hardening, multi-tenant isolation, and responsible AI security. Participate in on-call rotations and help establish actionable security policies and practices across the organization.

Leads cybersecurity solutions engineering for government and education customers across managed security, network monitoring, cloud security, and related services. Provides technical discovery, solution design, demonstrations, proofs of concept, onboarding, deployment guidance, escalations, and post-sales support. Partners with sales and technical account teams, mentors engineers, develops enablement materials, informs product strategy, identifies expansion opportunities, and manages customer activity in Salesforce.

Build Tempo’s product security program from the ground up, including application, infrastructure, endpoint, and supply-chain security tooling. Identify and remediate production and development-pipeline risks, lead incident response through post-mortems, conduct secure design reviews, and establish scalable security practices. The role requires hands-on coding, deep incident-response expertise, strong infrastructure and application-security knowledge, and autonomous collaboration with engineering.

Own Fetch’s information security function, including vulnerability management, application security, incident response, forensics, security architecture, GRC, compliance, third-party risk, AI governance, and security awareness. Serve as incident commander and senior technical authority, mature the security program, lead audits and executive reporting, manage security risks, and hire and develop the Security Engineering team.

Designs and executes application security practices across product and platform engineering teams. Responsibilities include integrating SAST, DAST, SCA, secret, IaC, API, mobile, container, and cloud-native security into CI/CD; conducting secure design reviews, threat modeling, code reviews, and testing; building automation, guardrails, policy-as-code, release risk gates, secure coding standards, SBOM processes, and vulnerability disclosure workflows.

Lead Coinbase's global IT and security audit program, delivering complex cross-functional audits across cloud, infrastructure, cybersecurity, IAM, data protection, and third-party risk. Manage and develop a global audit team, partner with first- and second-line stakeholders to drive integrated assurance, and report executive-level findings to senior leadership and the Audit Committee. Modernize audit execution through data analytics, automation, and generative AI to enable continuous monitoring and automated evidence retrieval.

Perform Cyber Operational Readiness Assessments (CORA) for the Air Force focusing on endpoint security, network access control, firewall validation, audit log review, and configuration evaluations against STIGs/SRGs. Provide reports, coordinate with base leadership, obtain required certifications, travel to Air Force locations, and support daily assessment operations.

Lead daily GSOC operations including event triage, escalation, and incident response. Guide and mentor analysts, coordinate with MSSPs and internal teams, maintain playbooks, track metrics, and improve detection and response across converged cyber and physical security environments.

Lead risk-based security assessments of systems, applications, cloud services, and third-party vendors. Evaluate controls, review SOC and security documentation, analyze evidence, produce risk-based recommendations and executive summaries, support audits and regulatory examinations, and partner with Procurement, Legal, and business stakeholders to manage residual risk and improve security posture.