Top Senior Cyber Security Jobs in Tucson, AZ

Lead security across applications, services, infrastructure, and developer workflows. Identify, assess, and mitigate risks; run secure code reviews, threat modeling, and architecture discussions; build automation and tooling to prevent issues; harden authentication and access control; investigate incidents and manage disclosures; partner with engineering teams to design secure-by-default APIs and deployments.

Own account-level security strategies for defense, aerospace, intelligence, and critical infrastructure customers. Lead security architecture, solution design, demonstrations, workshops, pilots, technical validations, and customer decision processes. Guide secure AI adoption and deployment of Microsoft security solutions, including Sentinel, Defender, Entra, Purview, Security Copilot, Microsoft 365, and Azure security services. Coordinate Microsoft and customer stakeholders, drive adoption, reduce risk, and deliver measurable security outcomes.

Lead a U.S.-based team of Security Operations Engineers and TPMs to design, build, and operationalize identity protections that reduce lateral-movement risk. Define strategy, apply AI and automation, partner with engineering and platform teams, deliver scalable controls, and drive measurable security outcomes, operational readiness, and executive reporting.

Administers Workday and multi-platform HR security, including role-based access, security configuration, access reviews, governance, audit support, and remediation. Evaluates routine and elevated access requests, enforces least-privilege standards, analyzes security and audit trends, maintains governance documentation, and recommends policy and process improvements. Collaborates with HR, IT, Legal, Compliance, and business stakeholders while protecting confidential employee data.

Lead RMF execution and authorization efforts for classified cloud and AI-integrated systems. Develop and maintain SSPs, SARs, POA&Ms, and continuous monitoring documentation; assess NIST, DoD, CNSS, FedRAMP, cloud, container, and AI security controls. Conduct architecture reviews, threat modeling, vulnerability assessments, risk analysis, and security control assessments while coordinating with architects, developers, DevSecOps teams, customers, and third-party assessors.

Perform advanced threat hunting and deep analysis of attacker activity across on-premises and cloud environments, notify customers of imminent threats, build proof-of-concept hunting tools and automations, synthesize findings into mitigation recommendations, and drive product/tool improvements by transferring threat intelligence and investigation best practices to engineering and customer teams.

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.

Designs and builds security orchestration and automation workflows for SOC processes, including alert triage, incident response, case management, integrations, scripting, error handling, and secure execution. The role translates client requirements into automation build plans, integrates SIEM, EDR/XDR, ticketing, threat intelligence, and email security tools, and may apply AI, cloud security, detection engineering, and automation-as-code practices.

Owns security operations and compliance for a multi-tenant GPUaaS platform. Maintains SOC 2 and SOC 3 programs, coordinates audits and penetration tests, manages IAM and security tooling, leads vulnerability management and incident response, supports customer security reviews and contracts, maintains policies, and drives security awareness and phishing programs.

Lead and grow Security and IT technical program management teams, oversee the cybersecurity and IT portfolio, establish prioritization and reporting processes, translate strategy into roadmaps, manage enterprise risks and dependencies, and communicate delivery status and trade-offs to executives. The role requires strong program leadership, technical fluency, cybersecurity knowledge, and experience managing people and complex cross-functional initiatives.

Senior technical security engineer responsible for cloud infrastructure security, detection engineering, incident response, application and product security, vulnerability management, penetration test ownership, and security automation. Partners with platform, logistics, and IT teams, manages an application security contractor, and builds tooling to raise the security posture across AWS, IaC, edge, and container environments.

Design, build, and deliver technical cybersecurity training: analyze needs, create modular learning assets (self-paced and instructor-led), validate effectiveness, coordinate with SMEs, and translate operational knowledge into trusted documentation.

Leads federal cybersecurity program management and ISSO activities for FHWA systems. Manages plans, schedules, risks, deliverables, staffing, reporting, audits, contingency testing, authorization documentation, vulnerability remediation, security assessments, cloud controls, DevSecOps, incident support, and compliance with FISMA, NIST, FIPS, and FedRAMP requirements. Advises system owners, developers, infrastructure teams, and government stakeholders on cybersecurity risk and information assurance.

Secure Temporal’s multi-cloud platform across AWS, GCP, and Azure by embedding security into infrastructure and application architecture. Responsibilities include threat modeling, risk assessment, Kubernetes hardening, multi-tenant isolation, gRPC and mTLS security, service mesh configuration, cloud security posture management with Wiz, secrets management, encryption, compliance policy development, engineering partnership, and on-call participation. The role also contributes to responsible AI practices and security for distributed workflow systems.

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.

Lead enterprise network segmentation projects using Guardicore Micro Segmentation across data center and cloud environments. Responsibilities include architecture design, project planning, installation, integration, configuration, policy deployment, documentation, customization, training, optimization, and troubleshooting. The role partners with customers, Support, and Engineering teams to deliver successful implementations and improve post-sales satisfaction.

Lead technical response to security incidents across Twilio's global cloud infrastructure. Triage, contain, remediate, document incidents, drive post-incident improvements, automate workflows (SOAR), extend SIEM capabilities, participate in on-call rotation, mentor teammates, and collaborate with R&D to improve detection and threat mitigation.

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.

Secure Agora’s applications, APIs, cloud infrastructure, Kubernetes workloads, deployment pipelines, and blockchain-related systems. Responsibilities include threat modeling, architecture and code reviews, security tooling administration, detection engineering, monitoring, incident response, vulnerability management, penetration-test coordination, security automation, and cross-functional remediation. The role partners closely with Engineering, Product, Infrastructure, Compliance, Operations, and the SOC to improve controls, telemetry, response readiness, and security risk visibility.

Lead and grow a remote Security Detection & Response team, build detection engineering and observability systems, drive telemetry onboarding, Panther and MITRE-aligned detections, Python automation, CI/CD workflows, and AI-assisted triage. Own incident response, investigations, cross-functional collaboration, and measurement of detection effectiveness.

Lead presales engagements and practice development for security operations solutions. Design SOC architectures involving SIEM, SOAR, EDR/XDR, threat intelligence, detection, incident response, and automation. Conduct discovery sessions, demonstrations, POCs, presentations, vendor evaluations, and internal enablement. Develop technical collateral, support partner solutions, identify revenue opportunities, and advise clients on SecOps maturity and target-state architectures.

Build autonomous AI-driven security testing systems and agentic workflows for analyzing mobile, desktop, IoT, and API applications. Develop reusable security automation frameworks, integrate static and dynamic analysis, reverse engineering, network analysis, vulnerability intelligence, and custom tools. Create evaluation systems and human-in-the-loop workflows, research emerging AI and offensive security techniques, and collaborate with security researchers to scale testing. The role requires production-quality coding, security expertise, autonomy, and U.S. citizenship.

Lead technical presales engagements for Microsoft security solutions, including Entra, Purview, Defender, and Sentinel. Deliver discovery sessions, demonstrations, whiteboarding, solution designs, and proof-of-concept efforts. Build competitive strategies, resolve technical blockers, guide customer decisions, collaborate with partners and deployment teams, and help existing customers optimize security product usage. Embed governance, security, and compliance into customer engagements while quantifying business value and supporting sales targets.

Serve as a fractional CISO advising alternative asset firms and family offices on building, maintaining, and operating full cybersecurity programs. Provide hands-on leadership, risk assessment, policy and controls development, and program execution on project-based engagements.

Provide fractional cybersecurity advisory and hands-on operations for hedge funds and family offices: conduct assessments, run vulnerability management and incident response, implement policies and controls, monitor logs and network traffic, test BCDR plans, advise on vendor selection, and report KPIs and remediation plans.