tenable jobs in San Diego

Lead information systems security for a cleared defense contractor, managing a team of ISSOs and Security Administrators through the RMF process while ensuring compliance with NISPOM, DCSA, and NIST 800-53 standards. Responsibilities include vulnerability management, STIG compliance, security incident investigation, insider threat coordination, and preparation for DCSA assessments.…See more Requires 8+ years IT experience with 5+ years as an ISSM in a cleared facility, proficiency in Windows/Linux, eMASS, Tenable, SIEM tools, and IAM Level 3 certification (CISSP, CISM, or GSLC). Strong background in container orchestration, infrastructure automation, and DevSecOps methodologies is valued.

The Cybersecurity Analyst leads Bumble Bee's day-to-day cybersecurity operations, investigating and responding to security incidents, hunting threats, and tuning detection tooling. The role owns the full incident response lifecycle, manages vulnerability remediation, optimizes SIEM platforms, conducts security risk assessments for platforms and vendors, and maintains compliance through access control reviews and policy development.…See more The analyst builds incident response playbooks, monitors threat intelligence and CVE disclosures, and advises on third-party cyber risk. The position requires 4+ years of cybersecurity experience, proficiency with SIEM platforms, EDR tools, vulnerability management, MITRE ATT&CK framework, and knowledge of NIST, SOC, and ISO standards.

As a Security Engineer II on Deloitte's Cyber Defense & Resilience CTEM team, you'll support clients in identifying, prioritizing, and remediating security exposures across complex infrastructure, middleware, and applications. You'll execute vulnerability and patch management tasks, analyze exposure data and attack paths to guide remediation priorities, and prepare client-facing dashboards and status reports.…See more The role requires 3+ years in IT security or vulnerability/patch management, hands-on experience remediating vulnerabilities across Linux, Windows, and applications, and proficiency with patch management tools (BigFix, MECM, Red Hat Satellite, WSUS, Tenable, Rapid7, Qualys) and scripting/automation languages (PowerShell, Bash, Python, Ansible, Terraform, JSON). You'll also coordinate remediation activities via ServiceNow or similar ITSM platforms and travel up to 50%.

Lead a team of security engineers responsible for the operational effectiveness and innovation of security engineering controls across LPL Financial. Manage day-to-day operations and maintenance of critical security infrastructure including SIEM, EDR, DLP, vulnerability management, IAM systems, and network security appliances.…See more Drive continuous improvement initiatives, develop incident response playbooks, collaborate with engineering teams on security integration, and provide technical leadership and mentorship to junior engineers. Requires 10+ years in information security with at least 5 years in a security operations or engineering leadership role.

Senior Software Engineer at Optum designing, developing, and deploying AI-powered applications and scalable software solutions. Requires 3+ years with .NET/C#/Java, React/ASP.NET MVC/JavaScript/Node.js/Angular, Web APIs, Entity Framework, SQL/NoSQL databases, Azure DevOps/GitHub Actions/Jenkins, Kubernetes/Docker, testing frameworks (Selenium/Gherkin/SpecFlow), and Agile/Scrum.…See more Responsibilities include full-stack development, CI/CD pipeline adherence, quality assurance, performance optimization, compliance with SDLC protocols, accessibility standards, and production support.

Senior Software Engineer responsible for designing, developing, and deploying AI-powered applications and features using modern web and cloud technologies. Will work across the full stack (.NET/C#, React, JavaScript, Node.js, Angular) and cloud infrastructure (Azure, Kubernetes, Docker) to build scalable, high-performance solutions that meet privacy, security, and accessibility standards.…See more Requires 3+ years of hands-on experience with the specified technology stack, CI/CD pipelines, testing frameworks, and Agile practices.

The Cybersecurity Analyst owns Bumble Bee's day-to-day security operations, investigating and responding to incidents, hunting threats, and tuning detection tooling to close coverage gaps. Responsibilities include managing the full incident response lifecycle, optimizing SIEM platforms, conducting vulnerability assessments, performing access control audits, and building incident response playbooks and procedures.…See more The role requires 4+ years of cybersecurity experience, proficiency with SIEM platforms, EDR tools, vulnerability management platforms, and hands-on knowledge of Windows/Linux, networking, and the MITRE ATT&CK framework. Success demands both technical operations expertise and cross-functional collaboration to strengthen security posture, ensure compliance, and assess third-party cyber risk.