Top Tech Jobs & Startup Jobs in Los Angeles, CA

Leads systems modeling, simulation, operational analysis, mission effectiveness studies, and technical teams supporting advanced aerospace and defense capabilities. Develops simulation frameworks, performance and threat models, command-and-control models, visualization tools, operational scenarios, CONOPS, and tactics. Conducts trade studies, assesses system effectiveness, supports requirements and mission engineering, and communicates findings to technical and government leadership. Requires active Secret clearance, eligibility for Top Secret/SAP, advanced systems engineering experience, and defense modeling expertise.

Develop and integrate system simulation frameworks, performance models, threat models, command-and-control models, and analytical tools. Conduct operational, mission-effectiveness, trade-study, and systems engineering analyses across air, ground, space, and adversarial environments. Model CONOPS, tactics, and kill chains; develop visualization tools; assess system architectures and requirements; and communicate recommendations to technical and government leadership. The role requires active Secret clearance and may involve obtaining Top Secret and SAP access.

Maintains and streamlines the DOORS requirements environment, manages system and element-level specifications, ensures baseline consistency, develops metrics, supports verification activities, administers accounts, trains users, and creates DXL scripts. The role also manages requirements and verification working groups and maintains synchronization between unclassified and classified DOORS environments. It requires extensive systems engineering experience, STEM education, U.S. citizenship, and active SCI or qualifying Top Secret clearance.

Plans, develops, reviews, and submits compliant proposals for Northrop Grumman’s Space Sector. Coordinates cost, schedule, and technical content with cross-functional teams, supports proposal leadership, analyzes historical data, develops cost models, and responds to customer RFPs. The role is fully onsite in Redondo Beach, California and requires an active U.S. Government Top Secret clearance with the ability to obtain SCI access.

Develops and owns spacecraft mission ground system specifications within an MBSE environment. Responsibilities include requirements definition and flow-down, requirements traceability, interface management, ICD contributions, system performance and functional analysis, risk mitigation, implementation trades, integration and compatibility analysis, and software qualification planning. The engineer drives ground segment maturity, supports mission milestones and reviews, and maintains technical baselines and documentation.

Leads systems engineering for spacecraft ground segments, including requirements definition, flow-down, traceability, performance and functional analysis, interface management, risk mitigation, technical baseline maintenance, and system integration. Develops ground element specifications within an MBSE environment, supports architecture and implementation trades, and drives software qualification, verification, and validation for space mission ground systems.

Reviews and signs off software verification evidence, develops and traces software requirements, writes verification procedures, evaluates test results, and develops automated tests. The engineer prepares contractual deliverables, maintains requirements traceability in DOORS, supports formal customer-witnessed testing, contributes to product planning and backlog activities, and coordinates with technical teams to ensure software verification products meet program requirements and delivery milestones.

Designs and leads manufacturing data architecture, repositories, models, integration patterns, pipelines, data services, and APIs. The role integrates complex data from equipment, sensors, quality, engineering, manufacturing, and enterprise systems; establishes standards and technical direction; and communicates risks and tradeoffs to senior stakeholders. Requires advanced SQL, programming, relational modeling, greenfield solution delivery, Secret or Top Secret clearance eligibility, flexible shift availability, and at least 10% travel.

Expedites, routes, dispatches, and tracks test equipment and components between end users, vendors, OEMs, and calibration labs. Maintains equipment accountability, coordinates pickups and deliveries, updates TEAMMS and calibration databases, reconciles inventory, communicates status, and monitors workload performance metrics. The role requires physical handling of equipment, logistics or aerospace inventory experience, a California driver’s license, and location flexibility. Level 3 additionally requires metrology or calibration, aerospace and defense experience, and an active SCI clearance.

Leads quality and mission assurance activities across aerospace programs, ensuring compliance with contractual, regulatory, DoD, and company requirements. Develops and executes mission assurance plans, supports engineering processes, drives continuous improvement, investigates quality failures, performs root-cause corrective actions, and provides technical guidance across multidisciplinary teams. Requires engineering experience, AS9100/ISO9001 expertise, and an active Secret clearance.