Top Tech Jobs & Startup Jobs in San Francisco Bay Area, CA

The Security Operations Engineer will build and manage cloud and enterprise security detections, lead incident response and threat hunting, automate security operations with SOAR playbooks, and maintain security telemetry pipelines. The role also involves vulnerability remediation, cloud architecture security reviews, cross-functional collaboration, on-call participation, and continuous improvement of runbooks and alert quality. Candidates need strong AWS security, SIEM, incident response, detection engineering, scripting, attacker tradecraft, and compliance framework experience.

Provides customer support by resolving inquiries, processing account adjustments, investigating issues, updating order spreadsheets, and escalating unresolved concerns. The role collaborates with Operations and other departments to deliver accurate solutions, requires strong communication, empathy, organization, and problem-solving skills, and is fully onsite in Santa Ana, California.

Leads corporate communications for Collectors Holdings and its portfolio brands. Responsibilities include crisis and issue response, executive communications, stakeholder and investor messaging, corporate media relations, press materials, social and community coordination, internal communications, agency and vendor management, and measurement. The role builds communications processes and teams while managing corporate narratives, major announcements, and high-stakes engagement with legal, finance, product, operations, and customer care teams.

Develop data models, analyses, dashboards, and automated reporting for a collectibles marketplace. Partner with engineering, product, and data platform teams to define business metrics, identify customer experience and growth opportunities, inform strategy, and lead initiatives that improve business performance.

Leads product strategy and execution for AI training-data capabilities, including data collection, procurement, annotation, human-in-the-loop workflows, quality controls, and feedback systems. Partners with ML Engineering, operations, and subject matter experts to improve model accuracy, throughput, development speed, and cost. Establishes metrics, scales data pipelines, mentors product managers, and drives 0-to-1 initiatives across multiple collection sites.

Owns the end-to-end promotional lifecycle across digital and eCommerce platforms, including campaign planning, promotional calendar management, customer segmentation, execution, performance analysis, A/B testing, and optimization. Partners with marketing, CRM, legal, business operations, and analytics teams to measure incrementality, improve promotional effectiveness, and build scalable frameworks. This senior individual contributor also contributes to long-term growth and retention strategy.

Build and scale the PSA Liquidity Platform connecting buyers and sellers across PSA Partner Offers and eBay Consignment. Responsibilities include developing buyer tooling, pricing and ranking engines, seller experiences, microservices, distributed event-driven systems, and observability. The role owns end-to-end product delivery, cross-functional execution, technical architecture, ecosystem integrations, and production outcomes while using AI throughout the software development lifecycle.

Leads product strategy, roadmap, and continuous improvement for PSA Vault and warehouse management systems. Oversees operational workflows including receiving, storage, inventory, fulfillment, and shipping while improving integrations with grading, marketplace, and logistics systems. Partners with Engineering, Operations, and business stakeholders to define requirements, prioritize initiatives, measure outcomes, and enhance customer experiences. The role also identifies AI and automation opportunities and coordinates cross-functional delivery across the Collectors ecosystem.

Leads marketplace data and insights for PSA Marketplace businesses, translating transactional, marketing, operational, product, and behavioral data into strategic decisions. Owns analytics metrics and stack, partners cross-functionally on product, marketing, fraud, and infrastructure insights, delivers executive reporting, and manages a lean analyst team while remaining hands-on with SQL and business intelligence tools.

Leads fulfillment and outbound logistics across grading centers, overseeing storage, sortation, shipping, capacity planning, staffing, workflow design, and technology enablement. Owns safety, quality, productivity, throughput, and service KPIs while driving continuous improvement, operational scalability, and cross-functional execution. Manages multiple departments through subordinate leaders, develops teams, oversees site risk, and travels frequently to grading centers.