Structural Engineer JobotStructural EngineerPasadena, CA$105,000–$140,000 / yearWorking on residential, commercial, institutional, and seismic retrofit projects, giving engineers hands-on experience with challenging designs, cutting-edge analysis tools, and collaborative, multidisciplinary teams. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Senior Mechanical Engineer JobotSenior Mechanical EngineerTorrance, CA$1,200,000–$145,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This team has delivered award-winning architectural and engineering solutions for both public and private sector clients across: Aerospace, Commercial and Industrial giants, Correctional and Government Facilities, Educational Institutions and Healthcare Facilities to name a few.
NewProject Engineer-HVAC JobotProject Engineer-HVACGardena, CA$75,000–$100,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role requires a deep understanding of HVAC systems, commercial construction, project management, and MEP (Mechanical, Electrical, and Plumbing).
Sr Project Engineer (Structural) JobotSr Project Engineer (Structural)Los Angeles, CA$100,000–$130,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our team is known for delivering thoughtful, efficient design solutions on technically challenging structures, while maintaining a collaborative, people-first culture where engineers are given meaningful responsibility and growth opportunities.
NewConstruction Engineer JobotConstruction EngineerLos Angeles, CA$125,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. A forward‑thinking construction engineering team in California is looking for a Construction Engineer who thrives at the intersection of field execution, technical problem‑solving, and collaborative project delivery.
NewMechanical Project Engineer JobotMechanical Project EngineerGardena, CA$80,000–$120,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We believe great outcomes come from empowering experienced leaders, aligning incentives with performance, and fostering a culture where accountability, collaboration, and long‑term relationships matter.
NewProject Engineer - Commercial HVAC JobotProject Engineer - Commercial HVACGardena, CA$70,000–$100,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role is a strong fit for someone with at least a year of commercial mechanical project management experience who wants to build a career in a fast-paced environment where planning, coordination, budgeting, scheduling, and delivery all matter every day.
Senior Embedded Systems Engineer JobotSenior Embedded Systems EngineerTorrance, CA$60–$74 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Teams work closely across engineering, manufacturing, and customers, giving individuals real ownership, visibility, and influence over outcomes.
NewURGENT Rust Engineer Opportunity! JobotURGENT Rust Engineer Opportunity!Los Angeles, CA$125,000–$175,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Quality Engineer JobotQuality EngineerCypress, CA$90,000–$100,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Lead root cause analysis (RCA) and corrective/preventive actions (CAPA) using tools such as 8D, Fishbone, and 5 Whys. Partner with engineering, operations, and suppliers to resolve quality issues and drive continuous improvement.
Fire Sprinkler Design Engineer JobotFire Sprinkler Design EngineerLos Angeles, CA$80,000–$100,000 / yearThis is an excellent opportunity to use your expertise in NFPA codes, CAD Drafting, Hydraulic Calculations, Seismic Bracing, Fire Pump Layout, Commercial Fire Sprinkler systems, BIM Design, Clash Detection, HydraCAD, AutoSPRINK, and NICET to make a significant impact on our projects and help us maintain our commitment to safety and excellence. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Engineer- Flex Assemblies JobotEngineer- Flex AssembliesGlendale, CA$130,000–$170,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Stay abreast of the latest developments in the field of flex assemblies, and leverage this knowledge to drive continuous improvement in our products and processes.
Construction Project Engineer JobotConstruction Project EngineerWhittier, CA$85,000–$105,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a Southern California general contractor delivering ground-up and renovation work across healthcare, education, and commercial markets, with a reputation for promoting from within.
NewManufacturing Engineer JobotManufacturing EngineerPasadena, CA$85,000–$95,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. In this role, you'll collaborate with cross-functional teams to develop manufacturing processes, troubleshoot production issues, and drive continuous improvements throughout the manufacturing lifecycle.
Sr. Software Engineer -Fintech Startup! JobotSr. Software Engineer -Fintech Startup!Los Angeles, CA$130,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As the lead, you will be responsible for assisting in driving the company's technology strategy, scaling a product and creating an environment where technological innovation thrives.
Sr. DevOps Engineer JobotSr. DevOps EngineerSeal Beach, CA$140,000–$155,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The Development Ops Engineer is responsible for bridging the gap between software development and IT operations, focusing on the continuous and automated delivery of high-quality software.
NewManufacturing Engineer (Aerospace) JobotManufacturing Engineer (Aerospace)Torrance, CA$100,000–$120,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Join a stable and growing aerospace manufacturer as a hands-on Manufacturing Engineer where you’ll drive real impact on precision production, lead continuous improvement initiatives, and work with cutting-edge processes in a high-performance, re.
Senior Structural Engineer JobotSenior Structural EngineerLos Angeles, CA$153,000–$190,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The firm provides innovative solutions across diverse markets, supporting technically complex projects that require regulatory rigor, cost control, schedule discipline, and creative structural design.
Mobile Engineer-React/React Native JobotMobile Engineer-React/React NativeSanta Monica, CA$130,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Design, develop, and maintain high-performance, reusable, and reliable React/React Native code for both iOS and Android platforms.
Embedded Software Engineer JobotEmbedded Software EngineerEl Segundo, CA$100,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a growing company of dedicated professionals committed to ushering in a new era of flight where fatalities approach zero, piloting any aircraft becomes simple and safe, and the sky becomes accessible to all.
Controls Engineer Tecknomic LLCControls EngineerLong Beach, CA$46–$58 / hourFull timeThis Includes HMI Design, PLC Design, Safety PLC Design, Hardwire Layouts, Panel Layouts, Risk Assessments, Field Device Layouts, Installation Supervision and Full Line Commissioning. As one of the world’s most admired brands, Toyota is growing and leading the future of mobility through innovative, high-quality solutions designed to enhance lives and delight those we serve.
Project Engineer III Kaygen Inc.Project Engineer IIIMonterey Park,, CA$60–$70 / hourContractorWe specialize in providing high-volume contingent staffing, direct hire staffing and project-based solutions to companies worldwide ranging from startups to Fortune 500 and Managed Service Providers (MSP) across a wide variety of industries. Coordinate with project stakeholders, including project managers, construction managers, contractors, architects, engineers, inspectors, consultants, and facility representatives.
NewSpecialist, Quality Engineer L3Harris TechnologiesSpecialist, Quality EngineerCanoga Park, CA$84,000–$156,000 / yearPlease click here for the E-Verify Poster in English or Spanish. Actively participates in the Material Review Board, including segregation and control of nonconforming hardware to preclude inadvertent processing, disposition nonconforming hardware, preparing for and conducting board meetings, and implementing disposition decisions.
Test Engineer II (Torrance, CA) - 2 positions GCR Professional ServicesTest Engineer II (Torrance, CA) - 2 positionsTorrance, California$36–$46 / hourContractorTest Planning and Strategy: Collaborate with cross-functional teams, including design engineers and project managers, to understand the requirements and specifications of defense and aerospace systems. Test Automation and Continuous Improvement: Identify opportunities for test automation and develop automated test scripts and frameworks to streamline testing processes and increase efficiency.
Electrical Engineer II (Torrance, CA) - HYBRID GCR Professional ServicesElectrical Engineer II (Torrance, CA) - HYBRIDTorrance, CaliforniaContractoru>*System Analysis: Analyze electrical systems and circuits, perform calculations, and use simulation software to evaluate their performance and make necessary improvements. *Collaboration: Collaborate with other engineers, technicians, and professionals to integrate electrical systems into larger projects or products.
NewPrincipal Ride Development Engineer Walt Disney ImagineeringPrincipal Ride Development EngineerGlendale, CA$139,200–$186,600 / yearWorking across a spectrum of disciplines that range from creative and conceptual to scientific and technical, Imagineers blend an innovative mixture of storytelling, art, science, and technology to create immersive experiences, memorable destinations, and innovative entertainment for families around the globe. Ride Engineers bring optimism and solutions to design challenges that often seem impossible and partner with diverse creative talent to define and build one-of-a-kind experiences that bring fun and joy to millions of people all around the world.
Electrical Engineer System OneElectrical EngineerEl Segundo, CA$43–$55 / hourul>Conduct site surveys or review existing reports to assess rack space, cable routes, power needs (UPS/Backup), and thermal loading for new equipment. Provide engineering support including design development, SIP/IRD preparation, design updates, technical reviews, and coordination activities.
NewStaff Machine Learning Engineer SamsaraStaff Machine Learning EngineerLos Angeles, CARemotep>• You believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes. • You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely.
NewProduct Engineer II – Utility Solutions EsriProduct Engineer II – Utility SolutionsLos Angeles, CARemote$79,664–$133,120 / yearAs the Product Engineer II – Utilities, you will collaborate with customers, industry teams, and other product development team members to design, develop, and support the right geospatial solutions for electric, gas, water, sewer, stormwater and telecommunications agencies. Design and author test cases for functionality, performance, scalability, and durability; execute both manual and automated tests, analyze test results, and report results.
NewSr. Product Engineer – Web Services EsriSr. Product Engineer – Web ServicesLos Angeles, CARemote$93,600–$159,328 / yearli>Experience working with ArcGIS applications and technologies (such as ArcGIS Hub, ArcGIS Map Viewer, ArcGIS REST APIs, ArcGIS API for Python, ArcGIS Maps SDKs). You will act as a service owner and trusted decision‑maker, shaping priorities, balancing tradeoffs, and ensuring our web services remain reliable, scalable, and valuable to customers over time.
NewSystem Integration Engineer - Remote Teoresi GroupSystem Integration Engineer - RemoteLos Angeles, CARemoteAt Teoresi, we specialize in supporting companies in creating projects using cutting-edge technologies such as self-driving cars and nanotechnology for the medical field. Teoresi Inc is an international Group, with offices in Europe and United States, that acts as an engineering partner to customers’ product and process development.
NewSenior Software Engineer - Route Execution SamsaraSenior Software Engineer - Route ExecutionLos Angeles, CARemotep>• You believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes. • You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely.
NewAI Engineer SamsaraAI EngineerLos Angeles, CAYou will collaborate with architects, engineers, and cross-functional stakeholders across Samsara to brainstorm, design, rapidly prototype, and productionalize AI-driven features and capabilities that integrate deeply into real business workflows. Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop actionable insights and improve their operations.
NewSoftware Engineer II - Inline Mailflow AbnormalSoftware Engineer II - Inline MailflowLos Angeles, CAp>• Design and implement core components of the SMTP relay harness, including Mail Transfer Agent (MTA) infrastructure, scalability, IP management, encryption, and DMARC support, working from conception through production operation. • Contribute to technical design discussions on how the relay integrates with existing inline products (outbound DLP, behavioral outbound, misdirected email), helping define the architecture of the broader Mail Flow platform.
NewSoftware Engineer (C# .NET Framework/SQL Server) SarnovaSoftware Engineer (C# .NET Framework/SQL Server)Los Angeles, CAThe position is well suited for an engineer who enjoys working with complex systems, troubleshooting production issues, and contributing to the continued evolution and sustainability of the platform. This role focuses on supporting, enhancing, and progressively modernizing enterprise and legacy applications using C#, NET Framework, and SQL Server.
NewSoftware Engineer II, Messaging Security Products AbnormalSoftware Engineer II, Messaging Security ProductsLos Angeles, CAThe engineer will be responsible for building and maintaining comprehensive products, ensuring seamless integration from the database layer to the user interface, with a primary focus on back-end development and some front-end responsibilities (80% back end, 20% front end). • Design and execute software projects that are crucial to Abnormal’s success, in collaboration with a team of engineers, through conception, design, implementation, launch, and operation.
NewSenior Software Engineer, Adaptive Classification Team AbnormalSenior Software Engineer, Adaptive Classification TeamLos Angeles, CAp>• Collaborate with Technical Program Managers, Product Managers, and Go-To-Market teams in order to implement, verify, and iterate on the issues & requests coming from our customers. The team’s goal is to automate security analysts workflows by providing them with reliable, intuitive, and delightful agentic products that give them back time in their day.
NewStaff Software Engineer, Security & Privacy AbnormalStaff Software Engineer, Security & PrivacyLos Angeles, CAp>• Distributed systems expert – you bring deep experience designing and operating large-scale distributed systems, and have partnered with security teams to build secure-by-default solutions. Were looking for a distributed systems expert who has worked closely with security teams — someone who can drive Product Security at scale and translate that into clear, executable technical roadmaps.
NewSoftware Engineer II - Model Platform AbnormalSoftware Engineer II - Model PlatformLos Angeles, CAAs a Software Engineer focused on building systems for Detection’s Model Platform, you will be responsible for making feature development at Abnormal a fast, responsive, stable, and confident experience for our ML and Data Science team. The Detection Division is focused on building the world’s most advanced technology for identifying and stopping email and cloud-based attacks that were previously undetectable and help make the world a safer place.
Systems Safety Engineer MANTECHSystems Safety EngineerEl Segundo, CAp/>The Senior System Safety Engineer will help protect our national security while supporting the USSF Space Systems Command (SSC) Space Access Directorate at Los Angeles Air Force Base. Assisting the Debris Characterization (DC) project manager with the coordination of airborne assets to collect data for root cause determination in the event of a catastrophic mishap.
NewManager, AI Marketing Orchestration, GTM Engineer SarnovaManager, AI Marketing Orchestration, GTM EngineerLos Angeles, CAThis role transforms marketing from a manual, channel-driven function into a scalable, AI-powered growth engine by automating execution, improving speed to market, and increasing efficiency across campaigns. The Manager, AI Marketing Orchestration will design, build, and optimize agentic marketing workflows that drive scalable growth across email, paid media, data and content.
Project Engineer Michael Page USAProject EngineerSimi Valley, CA$90,000–$110,000 / yearFull timeThe company is committed to delivering high-quality multifamily developments and prides itself on its dedication to excellence and innovation in the construction sector. You will play a critical role in supporting the construction of a $60 Million podium project from inception to completion within the property industry.
Field Engineer 1- Underground Construction & Tunneling Ballard Marine Construction IncField Engineer 1- Underground Construction & TunnelingLong Beach, CAWhile performing the duties of this job, the employee occasionally works near moving mechanical parts and construction equipment; in high, precarious places; and in outside weather conditions and is occasionally exposed to fumes or airborne particles, toxic or caustic chemicals, and risk of electrical shock where employee must utilize the proper personal protective equipment and/or other safeguards for their protection. Our Mission is to excel at constructing complex infrastructure safer, better, and faster by engaging the entrepreneurial and innovative spirit of our team members and providing limitless opportunity for personal and professional growth in a close knit and collaborative organization.
Field Engineer / M2M Liaison E2 Consulting Engineers, Inc.Field Engineer / M2M LiaisonLos Angeles, California$66–$72 / hourAbout the Organization: E2 Consulting Engineers, Inc. (E2) is a professional services firm established in 1988 specializing in a full spectrum of engineering services including, project engineering and design, federal base operations and infrastructure support services, gas pipeline construction and inspection services, environmental consulting and remediation, and information technology services. Leverage existing relationships and build new relationships to market M2M more to help with expanding M2M footprint including leading efforts to onboard new teams, train them with M2M team support, present/ demo M2M to field teams as necessary.
NewSupplier Field Engineer (Hybrid) Elevate Aircraft SeatingSupplier Field Engineer (Hybrid)Huntington Beach, CA$90,000–$115,000 / yearp>The Supplier Field Engineer partners with the Supplier Performance Manager (SPM) to improve and sustain supplier quality and delivery performance, ensuring alignment with cabin-level targets across assigned suppliers and program scope. Drive supplier corrective action plans with cross-functional stakeholders to resolve systemic quality, production readiness, and audit-related issues, ensuring sustainable results.
Field Engineer - Utility Mapping McCarthy Holdings IncField Engineer - Utility MappingLos Angeles, CA$66,800–$100,200 / yearPosition Summary: Field Engineers will be responsible for documenting overhead and underground utilities on a given project that may include communication lines, electrical power lines, hydronic systems, natural gas lines, fiber optic lines, water lines, sewer lines, etc. Investigation Documentation: • Responsible for quality assurance for the completeness of the collection of public and private stakeholder source documents.
Field Engineer Hensel Phelps Construction CoField EngineerLos Angeles, CA$74,100–$81,900 / yearHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. In addition, the position requires a considerable amount of work, responsibility, persistence, problem solving ability and good attitude, because the FE is responsible for the majority of the layout on a project, supervision of trade workers and subcontractor employees, as well as lift drawings, safety, and quality control responsibilities.
Field Engineer IQUASAR LLCField EngineerLong Beach, CAAs industry leaders in Real Time Location Systems (RTLS), we deliver innovative solutions that improve operational efficiency, asset visibility, and decision-making across complex healthcare environments. When not onsite, respond to Help Desk tickets to resolve customer inquiries including troubleshooting technical issues and creating supporting documentation.
Field Service Engineer (FIELD REMOTE, Los Angeles CA) PerkinElmer US LLCField Service Engineer (FIELD REMOTE, Los Angeles CA)Los Angeles, CARemote$71,760–$90,000 / yearThe person needs to occasionally move between labs, corridors, adjoining rooms, and buildings onsite Frequently operate on instruments, objects, tools or controls, which will require regularly bending, squatting, stretching and reaching in order to perform in a service function. Basic Qualification: BA Bachelor Degree in Applied Science, Biology, Chemistry, Electronics, Mathematics, Engineering, or related discipline including military experience plus 3 years direct experience with repair of laboratory equipment OR.
Field Engineer Tutor PeriniField EngineerLos Angeles, Californiap>From coast to coast, notable projects include The Purple Line (D Line) Extensions in Los Angeles, SR 99 Viaduct replacement tunnel in Seattle, East Side Access projects and the Hudson Yards Platform in New York, Central Subway Third Street Light Rail in San Francisco, and multiple airport expansions and bridge projects. Prepares, updates and distributes work activity schedules/updates, and communicates across discipline groups and agencies to ensure proper advance notifications and coordination of start times.