Top Cyber Security Jobs in San Antonio, TX

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.

Embed security across the SDLC by designing and maintaining CI/CD security controls, integrating SAST/SCA/DAST, securing AWS and container platforms, implementing IaC, managing vulnerabilities and incident response, supporting compliance (PCI-DSS, SOC2, NIST), mentoring teams, and developing security metrics.

Lead and execute offensive cyber operations including red team engagements, network exploitation, malware analysis, and tool development. Produce client briefings, mentor junior operators, and improve operational tooling and efficiency.

Short-term (2-month) contract to design, build, and secure multi-site networks (LAN/MAN/WAN). Responsibilities include routing (EIGRP/OSPF/BGP), VPN and remote-access deployments, VLANs, ACLs, NAT, STP, DMVPN/MPLS designs, and integrating firewalls/load balancers across Cisco, F5, Palo Alto, and Citrix NetScaler platforms.

Lead development and maintenance of enterprise cybersecurity strategy, tools, and processes. Install, monitor, and support security applications (firewalls, EDR, DLP, IDS/IPS, vulnerability scanning), conduct testing, monitor performance, coordinate remediation, provide technical guidance, and participate in 24/7 rotational support while producing metrics and reports to ensure compliance.

Implements, supports, and optimizes SIEM, SOAR, security telemetry, and data pipelines. Responsibilities include log onboarding, parsing, normalization, detection rule development and tuning, data quality validation, troubleshooting, automation, architecture review support, documentation, and continuous improvement. The engineer works in a client-facing consulting environment under senior guidance and supports multiple security operations platforms and environments.

Design, plan, and maintain enterprise cyber architectures for Health IT; translate requirements into prototypes, write/debug code, integrate systems, enforce information assurance, test with customers, and document solutions.

The Product Security Engineer partners with Engineering and Product teams to embed security throughout the development lifecycle. Responsibilities include threat modeling, architecture and security reviews, vulnerability validation, remediation planning, security-tool ownership, automation, secure coding guidance, incident response, and assessing risks in cloud and AI-enabled products. The role requires strong application security, identity, authentication, authorization, coding, communication, and cross-functional collaboration skills.

Serves as the endpoint security subject-matter expert for support, Sales Engineering, and Customer Success. Diagnoses complex Windows and macOS endpoint issues, analyzes telemetry and logs, troubleshoots integrations with EDR, DLP, and MDM products, and provides prioritized customer recommendations. Partners with Engineering and QA on defect investigation and validation, maintains lab capabilities, and creates runbooks and documentation. The role also enables field teams to explain endpoint findings and improve customer outcomes.

Own Tribe’s corporate security, compliance, AI governance, and client-facing security programs. Lead SOC 2 and future certification efforts, enterprise security reviews, risk management, security controls, incident response, vendor risk, and Trust Center operations. Establish governance for AI agents, assistants, model providers, and subprocessors while partnering with engineering on architecture reviews, threat modeling, secure SDLC, data flows, and production readiness. Translate customer requirements into scalable security controls and operating processes.

Serve as the senior network-security subject-matter expert for support, sales engineering, and customer success. Review firewall rules, segmentation, controls, and product findings; troubleshoot integrations across enterprise network-security platforms; diagnose issues using packet captures, flow data, logs, and protocol behavior; and provide actionable root-cause guidance. Partner with Engineering and QA on defects and fixes, maintain network test capabilities, and author runbooks and documentation. Coach sales engineers and help harden the product through escalations and feedback.

Build and maintain cloud security improvements across AWS/GCP, Kubernetes, and CI/CD environments. Design detection and response capabilities using SIEM, EDR/MDR, cloud-native detections, and CNAPP tools. Investigate and respond to security incidents end to end, develop detection logic and playbooks, and create security tooling and automations using Python, Terraform, and infrastructure-as-code. The role also supports endpoint security and secure DevOps practices.

Own and mature Neumo’s Governance, Risk, and Compliance program, including SOC 1, SOC 2, and PCI DSS audits, risk registers, data governance, control automation, vendor assessments, and exception processes. Manage 1–2 direct reports, coordinate remediation, leverage AI/LLM tools, participate in incident management, and communicate compliance posture and risk trends to executives and the board.

Lead security assessments and controls across cloud-hosted applications, APIs, mobile (Flutter), CI/CD, and infrastructure. Implement and harden shared security tooling (dependency/secret/static/container scanning), review IAM and privileged access, support incident readiness and monitoring, evaluate SRE/recovery changes for security impact, and coordinate remediation with system owners. Establish security policies, automation, and review triggers to integrate practical controls into engineering workflows.

Own technical pre-sales for enterprise AI security: lead discovery, design demos, execute end-to-end POCs, partner with AEs, surface product feedback, and advise customers on complex technical decisions.

Lead product marketing for Keeper's cybersecurity products: define messaging, positioning and use cases; execute cross-functional launches; create content and SEO-optimized assets; coordinate webinars and partner co-marketing; gather customer feedback and conduct market and competitor research to drive awareness and pipeline.

The Senior Application Security Engineer ensures the security of systems and data by monitoring vulnerabilities, responding to incidents, and promoting security best practices within the organization.

Lead security initiatives by establishing secure development practices, conducting security reviews, as well as managing threat modeling and security assessments.

The fellowship provides military spouses and separating service members with cybersecurity training and hands-on experience through projects and vendor training, aimed at enhancing their security skills.

Designs and implements security controls across cloud platforms, operating systems, Kubernetes, networks, and CI/CD. Audits infrastructure for weaknesses, develops security and privacy improvements, performs threat modeling, and drives remediation. The role includes software development, infrastructure security, incident containment, and technical security analysis while collaborating with engineering teams in a distributed startup environment.

Conduct application security assessments, identify and validate vulnerabilities, perform dynamic testing and static code reviews, and recommend remediation strategies. Collaborate with development teams to improve application security, use tools such as Burp Suite, and stay current with application security methodologies, web vulnerabilities, and exploitation techniques.

Lead Wikimedia Foundation’s product security strategy, prioritize security and privacy engineering initiatives, develop platform interventions against threats, strengthen organizational security culture, and communicate with Wikimedia communities. The role partners with cross-functional and departmental leaders on information security, represents the Foundation to volunteers, and applies AI-based tools to security analysis, code review, and software engineering. Prior product management experience is not required, but strong technical, security, communication, and online-community experience are important.

Supports client engagements focused on cryptographic risk, post-quantum readiness, encryption modernization, PKI, and key lifecycle management. Responsibilities include cryptographic asset discovery, inventory development, risk analysis, PKI and TLS assessments, PQC migration planning, remediation tracking, standards alignment, client workshops, documentation, and presenting findings to technical stakeholders.

Lead the engineering modernization of enterprise data protection and DLP capabilities across cloud, SaaS, endpoints, email, and collaboration platforms. Build automated Policy-as-Code workflows, CI/CD pipelines, reusable controls, integrations, detection logic, guardrails, and operational metrics. Partner with technical, compliance, privacy, legal, and business teams to improve security effectiveness, reduce false positives, automate governance, investigate events, and demonstrate measurable risk reduction.