Top Senior Cyber Security Jobs in Chicago, IL

Leads enterprise security architecture for cloud and on-premises systems supporting a federal agency. Develops security standards, reference architectures, diagrams, policies, procedures, and hardening guidance; assesses architectures and security postures; identifies gaps and privacy requirements; supports Zero Trust, RMF, acquisition, compliance, risk management, and technical briefings. Partners with stakeholders to translate business needs into secure technical solutions and maintains architecture documentation throughout the system lifecycle.

Designs and maintains Cribl data models and security log pipelines, routing and transforming telemetry into enterprise SIEM platforms. Supports SIEM, XDR, vulnerability management, DLP, endpoint security, Linux sensors, system hardening, threat detection, and defensive security architecture. Develops Python and Bash automation, integrations, and security controls while troubleshooting complex data issues. The role is fully remote within the United States, includes occasional South Carolina onsite work, and requires on-call participation.

Implement and configure SailPoint IdentityIQ and Identity Security Cloud solutions, including identity lifecycle management, access certifications, provisioning, integrations, workflows, rules, and application onboarding. Lead or support IIQ-to-ISC migrations, gather client requirements, create technical documentation, troubleshoot deployments, and support UAT and hypercare. The role also involves client interaction, mentoring junior engineers, and contributing to reusable delivery assets in a remote consulting environment.

Provides pre-sales technical support and technical account management for Vectra’s cybersecurity platform. Leads customer discovery, product demonstrations, proofs of concept, technology reviews, integrations, and security architecture discussions. Builds technical relationships with customers and channel partners, supports sales teams, collaborates on deployments and product projects, and maintains expertise in security technologies, networking, cloud security, attacker progression, incident response, and competitive offerings. Regional travel is required as needed.

Leads technical security sales engagements through demonstrations, proofs of concept, hackathons, architecture workshops, and customer consultations. Designs secure, scalable cloud and hybrid architectures, resolves technical blockers, and advises customers on Microsoft Security solutions, including Defender and Sentinel. Develops security posture recommendations, supports XDR, zero trust, cloud security, and AI adoption strategies, while influencing technical decisions and representing Microsoft in developer communities.

Own and advance cybersecurity for satellites, flight software, ground systems, mission networks, communication links, and AWS infrastructure. Responsibilities include security architecture, threat modeling, vulnerability management, incident response, IAM, SIEM detection engineering, network defense, cloud security, DLP, security assessments, awareness training, and compliance with CMMC Level 2, NIST 800-171, and ITAR/EAR requirements. The role collaborates with aerospace, software, systems, and compliance teams and requires expertise in mission-system security.

Secure Wiz’s products, CI/CD systems, and production cloud infrastructure through threat modeling, security reviews, vulnerability management, detection and response, cloud and Kubernetes security baselines, policy-as-code, and automation. Partner with engineering, DevOps, operations, and Federal teams to implement scalable security controls, remediate risks, support FedRAMP requirements, and promote secure-by-design development practices.

Lead architecture and hands-on development of Microsoft's AI Safety Platform, building observability, detection, investigation, threat-hunting, and distributed data-processing capabilities. Design attack detection infrastructure, correlate high-volume telemetry, apply AI security research, conduct security and privacy reviews, and partner across engineering, science, and incident response teams. Mentor engineers and provide technical leadership for complex AI security systems.

Lead security engineering across AI systems, cloud infrastructure, product security, GRC automation, GitHub controls, and compliance workflows. Develop AI-specific threat models and guardrails, automate security checks and evidence collection, strengthen AWS and GCP environments, manage CSPM tooling, and secure software supply chains. Partner with Engineering, Product, Legal, IT, and GRC to establish security programs and practical controls for Jasper’s AI platforms.

Build and operate infrastructure security platforms centered on workload identity, service-to-service authentication, authorization, and short-lived credentials. Replace static secrets with identity-based systems, develop identity-authenticated proxies and APIs, and unify authorization policy management. Partner with platform and application teams to drive adoption, migrate legacy systems, and ensure reliable production infrastructure with strong developer experience.

Provides security engineering and architecture expertise for FedRAMP authorization and continuous monitoring. Reviews cloud service provider architectures, security controls, authorization packages, assessment reports, vulnerabilities, and compliance documentation against NIST, FedRAMP, FISMA, RMF, and agency requirements. Leads vendor interviews, identifies technical and documentation gaps, advises government program leads and CISOs on risk posture, and supports secure, compliant, resilient system design.

Owns broad product and operational security responsibilities, including identity and access management, threat modeling, code review, fuzzing, bug bounty operations, AI security research, software supply chain monitoring, penetration test coordination, and compliance evidence. The role requires a strong software engineering background, product security expertise, security tooling development, systems programming experience, and familiarity with web3 or DeFi. It is remote-first and emphasizes autonomy, documentation, and high ownership.

Lead corporate endpoint security architecture with a focus on macOS, designing secure-by-default controls, automation, patching, software distribution, and security baselines across macOS, iOS, Windows, and Linux. Manage configurations through Terraform, GitOps, version control, CI pipelines, and automated rollouts. Partner with IT and security teams to improve telemetry, detection, response, auditability, and operational efficiency. Mentor engineers and serve as a senior escalation point for complex endpoint security issues in a fully remote environment.

Build backend services and distributed systems for a cybersecurity and software supply chain security platform. Develop scalable APIs, data pipelines, and platform components handling vulnerability, container, package, runtime, and SBOM data. Work across Linux, Kubernetes, containers, and cloud environments while solving concurrency, performance, reliability, and distributed processing challenges. Own projects from design through deployment, participate in architecture discussions, review code, and collaborate with security researchers and product teams.

Own technical wins for cybersecurity deals by designing ransomware-recovery, immutable and air-gapped vaulting, identity-resilience, and DSPM architectures. Lead discovery, demos, technical workshops, proof-of-concept pilots, reference architectures, executive presentations, and business cases. Partner with security sales specialists, customers, and technology partners while supporting technical qualification, deal progression, and roadmap feedback.

The Senior Security Engineering Manager oversees security policies, manages incident response, monitors threats, and coordinates investigations while ensuring compliance.

Recognized as a senior security expert, this role independently resolves complex cybersecurity challenges, defines methods for new assignments, provides strategic direction, and collaborates across teams. The engineer leads high-impact security projects, develops innovative solutions aligned with business needs, and drives enterprise-wide improvements to security practices and operational efficiency.

Applies security best practices to optimize and protect systems, analyzes and resolves security challenges, partners with internal teams on security initiatives, and collaborates with engineers to improve security processes. The role independently addresses security needs, contributes to cross-functional projects, influences team effectiveness, and aligns security solutions with business objectives.

Leads KeyBank’s Red Team and offensive security program, including adversary emulation, penetration testing, physical and application assessments, cloud security testing, AI security evaluations, and purple team exercises. Develops testing strategy, methodologies, tooling, metrics, and maturity roadmaps; mentors engineers; coordinates internal and third-party engagements; validates remediation and attack paths; and presents findings and strategic recommendations to executives and cybersecurity stakeholders.

Designs, implements, configures, and supports enterprise cybersecurity solutions across IAM, endpoint, network, email, application, cloud, and security awareness domains. Conducts vulnerability assessments, threat hunting, incident investigation, security tool tuning, policy development, and security architecture reviews. Serves as a security subject matter expert on technology projects, collaborates with an MSSP, provides incident escalation support, and maintains availability for critical security operations.

Leads an engineering team responsible for designing, building, and operating data security products and controls. Provides technical direction, hands-on engineering leadership, and delivery ownership across DLP policy, data discovery and classification, data access controls, policy-as-code workflows, automation, integrations, testing, deployment, reliability, and operational support. Translates data security requirements into scalable solutions while mentoring engineers and driving adoption of secure engineering practices.

Lead Prelim’s security program across secure SDLC, application and cloud security, IAM, incident response, endpoint management, vendor risk, security reviews, and SOC 2 Type II compliance. Partner with DevOps and engineering, coordinate penetration testing, develop policies and risk roadmaps, manage audits and customer questionnaires, and improve detection and access controls. The role is the company’s first dedicated security hire and requires strong judgment, communication, and hands-on technical skills.

Owns company-wide security across product, infrastructure, corporate systems, and IT. Responsibilities include fixing authentication and authorization issues, managing keys and secrets, hardening internal tools, improving permissions, contributing to backend engineering, and leading security reviews, incident response, and security tooling. This hands-on role requires broad security expertise, strong software engineering ability, and comfort working in an ambiguous early-stage startup environment.

Build and operate automated security infrastructure across AWS and Kubernetes, including cryptographic-material lifecycles, security telemetry, compliance automation, policy-as-code, threat modeling, and CI/CD security controls. Develop agentic AI workflows using tools such as Claude Code and MCP integrations. Support incident response, review security architecture, automate evidence collection, and partner with engineering, audit, risk, vendors, and clients to improve security posture at scale.

Oversee the security of firm applications, networks, systems, hardware, and mobile devices throughout their lifecycles. Develop security requirements and architecture, manage controls and configurations, perform certification and accreditation, maintain asset inventories, and ensure secure development and acquisition practices. Collaborate across departments and mentor team members while serving as a primary technical security contact. The role requires independent judgment, strong analytical ability, knowledge of security frameworks and technologies, and at least seven years of related experience.