Top Tech Jobs & Startup Jobs

Develop and operate large-scale AI-powered advertising systems using Grok models. Responsibilities span candidate selection, ranking, auctions, campaign optimization, creative generation, and advertiser experiences. The role owns high-throughput products and systems that drive significant revenue while collaborating in a hands-on, high-excellence engineering environment.

Investigate and counter sophisticated threat actors, conduct first-principles investigations, execute large-scale enforcement operations, communicate findings, manage urgent incidents, and partner with operations, engineering, product, and policy teams to disrupt abuse and systemic vulnerabilities.

Analyze Human Data operational metrics, including capacity, utilization, quality, throughput, cost, and workforce health. Build dashboards, trackers, forecasting views, and operating systems to support staffing, allocation, and planning decisions. Identify data gaps, improve processes and escalation paths, and translate analysis into recommendations for cross-functional stakeholders across operations, engineering, recruiting, finance, and onboarding. Lead ad hoc research and projects that improve operational efficiency, quality, cost, and reliability.

Supports the design and documentation of outside plant fiber infrastructure. Responsibilities include creating AutoCAD construction drawings, GIS route maps, asset inventories, splice diagrams, permitting packages, bills of materials, quantity take-offs, and as-built records. The role coordinates with engineers, construction teams, and utilities, assists with field surveys, and ensures compliance with TIA/BICSI standards and local permitting requirements.

Design and support medium- and low-voltage electrical infrastructure for AI data centers. Responsibilities include creating electrical drawings, performing load and cable calculations, sizing transformers and switchgear, evaluating equipment specifications, supporting power-system studies, resolving construction RFIs, maintaining documentation, and ensuring compliance with electrical safety standards. The role is fully onsite in Memphis, includes hands-on construction and operations support, 24/7 emergency on-call duties, and travel of up to 25%.

Lead a team of Receiving Specialists for data center construction: manage inbound receipts, transact in ERP/WMS, verify parts and quantities, resolve discrepancies with carriers/vendors, coordinate returns, operate forklifts, maintain inventory accuracy, and drive 5S and process improvements.

Own technical success of large-scale GPU/CPU cluster deployments: lead implementation, integration, performance tuning, troubleshooting, verification testing, capacity planning, and cross-functional coordination to meet SOW/SLA requirements.

Lead and improve regulated and prohibited content enforcement programs: set detection and automation requirements, translate policy/legal constraints into operational controls and workflows, manage escalations and QA, align cross-functional partners, monitor regulations, and report program performance and risks to leadership.

Build and operate the observability platform: design scalable metrics/logs/tracing infrastructure, implement high-performance telemetry pipelines, develop APIs/query engines/UIs, enforce instrumentation and alerting best practices, and own system reliability and performance.

Build, own, and improve the evals platform that measures model capabilities and behaviors. Design datasets and grading schemes, manage execution infrastructure, diagnose failures, and deliver robust tools engineers use to clean data, provide experiment feedback, and track model growth.