Top Cyber Security Jobs in Milwaukee, WI

Lead the architecture, security, and operation of Maestro’s multi-tenant AI platform on private GKE. Responsibilities include Kubernetes runtime isolation, identity and credential security, service mesh trust, Terraform infrastructure, fleet scaling, CI/CD, observability, auditability, human approval workflows, and governed agent integrations. The role also sets technical direction, mentors engineers, and partners across Product, Security, and Leadership to deliver secure, reliable distributed systems at scale.

Own and improve security across cloud infrastructure, AI platforms, corporate IT, endpoints, identity, email, and business applications. Build detection and response capabilities, secure containers and software supply chains, implement identity and access controls, manage vulnerabilities and secrets, and automate security guardrails. Investigate threats across cloud, identity, and endpoint telemetry while protecting sensitive customer data and supporting compliance controls.

Provides vulnerability management and continuous monitoring support for regulated cloud environments. Responsibilities include investigating vulnerabilities, managing scans and false positives, creating POA&Ms, communicating alerts and remediation strategies, configuring scanning tools, automating repeatable tasks, documenting findings, coordinating escalations, and supporting compliance frameworks such as FedRAMP. The role also liaises with clients, SRE teams, auditors, and internal security operations personnel.

Design and implement security across infrastructure, applications, data, and AI systems. Own authentication, authorization, tenant isolation, secure log ingestion and querying, and AI security risk mitigation. Lead security incident response and postmortems, establish practical security practices, and partner with engineering to integrate security into development. The role requires application or infrastructure security experience, knowledge of OWASP vulnerabilities, and experience securing distributed systems and APIs.

Own strategy and roadmap for KeeperPAM across privileged access, secrets management, secure remote access, endpoint privilege, discovery, and machine identity. Translate customer and technical needs into requirements, prioritize cross-product initiatives, partner with Engineering on integrations and architecture, conduct market analysis, define success metrics, and support go-to-market execution. The role requires strong PAM or related cybersecurity expertise, technical fluency in APIs and cloud-native DevOps environments, and effective collaboration with customers and cross-functional teams.

Designs and reviews secure architectures for cloud, applications, data, APIs, identity systems, AI/ML implementations, and third-party integrations. Leads threat modeling, security standards, reference architectures, risk assessments, and compliance alignment across AWS, Azure, and GCP environments. Protects traveler and payment data, defines AI and identity security guardrails, supports vendor due diligence, and advises engineering, product, and executive stakeholders on practical risk mitigation.

Leads Insurity’s enterprise cybersecurity, information security, privacy, HIPAA, AI governance, risk, compliance, and incident response programs. The CISO sets security strategy, advises executives and the Board, oversees cloud, application, product, and infrastructure security, manages audits and regulatory obligations, directs crisis response, builds the security organization, and partners with customers, regulators, vendors, and cross-functional leadership to protect company and customer data.

Plans and executes full-scope red team and adversary emulation operations, including phishing, C2, privilege escalation, lateral movement, EDR/XDR evasion, Active Directory and cloud compromise, and social-engineering scenarios. Develops custom offensive tooling, collaborates with Blue Teams to validate detections, documents attack chains, and provides remediation guidance. Requires 5+ years of offensive security experience, advanced scripting skills, and recognized offensive security certifications, with bug bounty or CTF achievements preferred.

Conduct continuous manual penetration testing across network, web application, cloud, and social engineering attack surfaces. Pursue findings through post-exploitation, lateral movement, privilege escalation, and business-impact validation. Communicate results to technical and non-technical clients, lead debriefs, improve team tooling, direct AI and automation, mentor junior testers, and collaborate with R&D to operationalize repeatable techniques.

Own cloud security across AWS and Azure, including identity, network, application, container, data, and AI security. Build policy and infrastructure controls as code, integrate security into CI/CD, protect regulated health data, and manage detection, incident response, vulnerability remediation, and compliance. The role also develops AI security guardrails and coaches engineering teams while operating production security controls and supporting on-call responsibilities.

Lead cybersecurity consulting and engineering engagements securing OT and IT environments for water, wastewater, and environmental infrastructure clients. Conduct ICS, SCADA, network, architecture, risk, and compliance assessments; design secure IT/OT architectures; develop governance, incident response, security plans, and improvement roadmaps; evaluate security technologies; and support proposals and client presentations. Mentor junior staff and advise on cloud, IoT, AI, and critical infrastructure security.

Own and scale application security across Redpanda’s C++ engine, Go control plane, Console, and Rust/Go SDKs. Responsibilities include threat modeling, secure design reviews, SAST/SCA/DAST, fuzzing, secure code review, PSIRT and vulnerability disclosure, software supply-chain security, security release gates, and security champions. The role partners closely with engineering to improve secure development practices, address vulnerabilities, and protect authentication, authorization, encryption, audit logging, and multi-tenant isolation.

Performs cloud security engineering across AWS and GCP, including system hardening, patching, vulnerability remediation, compliance scanning, security tool management, incident response, and cloud operations. Troubleshoots Linux, Windows, network, application, and identity issues; supports FedRAMP, FISMA, and NIST 800-53 requirements; documents procedures and incidents; contributes to automation; mentors junior engineers; and participates in a 24×7 on-call rotation.

Designs and operates security controls for AI/ML systems, including threat detection, incident response, cloud and application security, model governance, adversarial testing, and security automation. Builds production tooling across AI platforms such as SageMaker, Azure OpenAI, and Databricks; applies MITRE ATLAS, OWASP AI Top 10, and NIST AI RMF frameworks; and integrates enterprise security platforms to protect models, data, pipelines, and AI applications.

Lead security across Zeely’s AWS infrastructure, products, CI/CD pipelines, and compliance programs. Responsibilities include cloud hardening, IAM, vulnerability remediation, incident response, security monitoring, architecture and code reviews, and implementing SAST, DAST, SCA, and secrets scanning. The role owns SOC 2, ISO 27001, and CASA compliance, leads the security roadmap, establishes policies, guides DevOps and Platform teams, and supports enterprise customer security reviews.

Designs vulnerable and secure application fixtures addressing OWASP LLM risks, creates deterministic tests and security manifests, develops answer keys for AI and scanner evaluation, and improves AppSec assessment pipelines. The role also evaluates traditional and agent-based security architectures, documents technical findings, and collaborates on peer reviews and actionable security recommendations.

Create challenging coding tasks for AI systems, implement deterministic solution verifiers, and contribute backend expertise across feature development, bug fixing, refactoring, performance optimization, testing, and security reviews. The role requires strong programming and software engineering skills, with cybersecurity experience in secure coding, application security, penetration testing, vulnerability assessment, or security-focused code reviews preferred.

Build and secure scalable backend services and APIs while debugging, optimizing performance, implementing features, refactoring codebases, and conducting security reviews and penetration testing. The role also involves automated testing, code review, vulnerability assessment, and contributing domain expertise to training next-generation AI systems.

Leads application and cloud security architecture, secure design reviews, threat and risk assessments, and security governance. Establishes Cloud Security Posture Management and automated security controls across CI/CD pipelines, infrastructure as code, containers, cloud environments, and software supply chains. Develops security standards and policy-as-code guardrails, communicates risks and mitigations, and influences cross-functional technical teams.

Automate security evidence generation and RMF control mapping to enable continuous authorization for U.S. Air Force systems. The role conducts audits and risk analyses, implements remediations, translates compliance requirements into engineering practices, documents inherited and implemented controls, and coaches government teams. It partners with security reviewers, authorizing officials, engineers, and contractors to embed security throughout the software delivery lifecycle.

Provides consultative pre-sales cybersecurity engineering for email security solutions. Leads customer discovery, assesses security architectures, designs solution proposals, delivers demonstrations and technical presentations, supports proofs of concept, collaborates with vendors, enables sales teams, and transitions closed opportunities to delivery teams. Focus areas include secure email gateways, phishing and BEC protection, API-based security, DLP, advanced threat protection, and hybrid cloud environments.

Leads the information security program across healthcare platforms, managing security teams, controls, vulnerabilities, cloud and data protection, monitoring, incident response, governance, risk, and compliance. Partners with Engineering, Infrastructure, DevOps, Compliance, and business leaders to reduce risk, improve incident readiness, support HIPAA, HITRUST, and SOC 2 requirements, and secure AI tools and third-party integrations.

Lead hands-on product security architecture across GitLab, including design reviews, threat modeling, systemic risk remediation, security standards, prototypes, and reusable developer guardrails. Partner with engineering and product leaders, secure distributed systems and software supply chains, guide AI coding tool security, mentor security engineers, and influence technical direction through proactive architecture and clear communication.

Lead security operations and incident response engineering across hybrid cloud environments. Conduct deep-dive investigations, digital forensics, threat modeling, detection engineering, SIEM tuning, threat intelligence review, and automated remediation. Develop incident response playbooks, maintain investigation documentation, apply MITRE ATT&CK, and support incident command and SOC process optimization.

Leads Tier-3 security monitoring, threat hunting, incident response, and SLA delivery across multi-tenant environments. Serves as incident commander while engineering detections, SOAR playbooks, integrations, and AI-assisted automation using Python, APIs, LLMs, and cloud security data. Advises clients, reduces alert noise, and aligns operations with NIST, ISO 27001, privacy, and regulatory requirements.