JobotNewLead Vehicle Systems Engineer JobotLead Vehicle Systems EngineerNaperville, IL$125,000–$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. The company fosters a collaborative environment where engineers work across disciplines to solve complex technical challenges, make an impact on high-performance products, and contribute to next-generation vehicle and equipment solutions.
JobotNewLead Mechanical Engineer HVAC JobotLead Mechanical Engineer HVACChicago, ILRemote$110,000–$170,000 / yearWe are a growing, design-build mechanical contractor with a strong reputation across the Upper Midwest, delivering HVAC, plumbing, and process piping solutions across healthcare, higher education, industrial, commercial, multifamily, and hospitality environments. 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.
Medline IndustriesNewUIPath Engineer Lead Medline IndustriesUIPath Engineer LeadNorthbrook, IL$116,000–$174,000 / yearFull timeUse UiPath's automation and orchestration components including Maestro, Agent Builder, IXP, Studio, Orchestrator, and Integration Service to independently deliver business solutions that drive business impact. Apply practical prompt engineering skills to reliably guide agent behavior and understand model tradeoffs (capability, latency, cost) when selecting LLM providers for Business use cases.
LeidosNewLead Transmission Line Engineer LeidosLead Transmission Line EngineerChicago, IL$92,300–$166,850Leidos seeks the best and the brightest, and in return, we invest in you, with an eye on your future, through career advancement, growth opportunities, and continuous improvement via mentoring, formal and informal project management training and assistance with obtaining pertinent certifications. The successful candidate will serve as a Lead Engineer and Technical Project Manager on high voltage electric transmission line design projects of overhead and underground systems for some of the largest utilities in the country as well as regional utilities.
V-Soft Consulting Group IncLead Engineer, Cloud Security V-Soft Consulting Group IncLead Engineer, Cloud SecurityOak Brook, IllinoisKnowledge and Skills:Deep hands-on experience with both AWS and Microsoft Azure security services, including: AWS: IAM, GuardDuty, Security Hub, CloudTrail, Config, KMS, VPC security, WAF, Organizations/SCPs. Capable of persuading non-security leaders (e.g., IT Ops, Engineering, Product) by linking security initiatives to operational continuity, consumer trust, and compliance posture.
Brightsharks engineeringDesign/Electrical Engineer Brightsharks engineeringDesign/Electrical EngineerBuffalo Grove, IL$75,000–$82,000 / yearContractorSkills: Analog/Digital Design, PCB Design, Schematic Capture, Embedded Systems, Microcontrollers, FPGA, Mixed-Signal Design, Hardware Validation. Lead multiple projects while collaborating with cross-functional teams, suppliers, and manufacturing partners.
JobotNewSenior Structural Engineer - Hybrid Work (AEC Firm) JobotSenior Structural Engineer - Hybrid Work (AEC Firm)Chicago, IL$110,000–$165,000 / 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 successful candidate will be joining a dynamic team of professionals who are committed to delivering high-quality projects in the industry.
JobotNewSenior Mechanical Engineer (Construction/HVAC) JobotSenior Mechanical Engineer (Construction/HVAC)Downers Grove, IL$95,000–$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. As a key member of our team, you will play a pivotal role in the design and management of various projects, ensuring the highest levels of quality and efficiency.
JobotNewCivil Engineer JobotCivil EngineerChicago, IL$100,000–$160,000 / 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. Due to continued growth, they are seeking an experienced Municipal Engineer to serve as a technical leader, mentor developing staff, and help drive future expansion opportunities within the Illinois market.
JobotNewProject Engineer (Design Build Developer) JobotProject Engineer (Design Build Developer)Chicago, IL$65,000–$85,000 / yearTheir model uniquely aligns both disciplines to design, build, and deliver high-quality real estate projects that enhance communities, impact lives, build value, and control risk. 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.
JobotNewMechanical Commissioning Engineer JobotMechanical Commissioning EngineerChicago, IL$90,000–$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. Our practical approach addresses our clients' complex energy needs, maximizing savings and return on investment while minimizing environmental impact across all served markets.
JobotNewSenior Network Engineer JobotSenior Network EngineerChicago, IL$140,000–$160,000 / 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 ideal candidate will design, implement, secure, and optimize network infrastructure across on-premise and cloud environments, ensuring high performance, reliability, and compliance with security best practices.
JobotNewVDC Engineer JobotVDC EngineerChicago, IL$95,000–$110,000 / 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. You’ll support preconstruction and project teams through modeling, coordination, constructability reviews, and 4D visualization, helping drive efficiency and innovation across the project lifecycle.
ExelonNewSenior Engineer - T&S Engineering Programs ExelonSenior Engineer - T&S Engineering ProgramsOAKBROOK TERRACE, IL$103,200–$141,900Develops studies, plans, criteria, specifications, calculations, evaluations, design documents, performance assessments, integrated systems analysis, cost estimates, budgets, associated with the planning, design, licensing, construction, commissioning, operation, and maintenance of Exelon's electric generation, transmission, distribution, gas and telecommunication facilities/systems. We are a Fortune 200 company, 20,000 colleagues strong serving more than 10.7 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco).
ExelonNewAssoc Engineer ExelonAssoc EngineerOAKBROOK TERRACE, IL$72,800–$100,100We are a Fortune 200 company, 20,000 colleagues strong serving more than 10.7 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco). The Associate Engineer supports experienced engineers in the planning, design, construction, and maintenance of Exelon's utility infrastructure, including electric or gas distribution, transmission, substations, and related systems.
JobotNewCivil Project Engineer (Transportation Projects) JobotCivil Project Engineer (Transportation Projects)Chicago, IL$105,000–$155,000 / yearThey have contributed to a diverse array of iconic transportation projects, including roadway rehabilitation, interstate reconstruction, bicycle/pedestrian paths, new and renovated bridges, and complex site developments for mixed-use and high-rise properties. Diverse & Impactful Projects: Be part of meaningful transportation assignments—ranging from commuter streetscapes and trail connectivity to large-scale airport facilities and interstate systems, contributing to tangible improvements in infrastructure and mobility.
JobotNewAutomation Engineer - PLC JobotAutomation Engineer - PLCChicago Heights, IL$100,000–$125,000 / 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. Ability to troubleshoot complex systems, integrate diverse technologies (hydraulics, pneumatics, motors, valves), and work across multiple international sites.
JobotNewSenior Design Engineer – Mission Critical Controls JobotSenior Design Engineer – Mission Critical ControlsChicago, IL$110,000–$125,000 / 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 BAS and HVAC control systems for mission-critical environments, including control schematics, network diagrams, panel layouts, and point-to-point wiring.
JobotNewManufacturing Engineer JobotManufacturing EngineerChicago, IL$90,000–$115,000 / yearCurrently hiring for a Manufacturing Engineer to design and refine production workflows to boost efficiency, quality, and cost performance within a fully integrated manufacturing setting (including CNC and manual machining, sheet metal work, welding, and assembly). 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.
JobotNewQuality Engineer JobotQuality EngineerElk Grove Village, IL$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. Document inspection results by completing reports & logs, summarizing re-work & waste, inputting data into quality database.
Medline IndustriesQuality Engineer Medline IndustriesQuality EngineerNorthfield, IL$79,000–$119,000 / yearFull timeEvaluate production process, recommend improvements, qualify and conduct vendor management, generate and maintain DMR’s, product specifications, design control files, and CE technical files. Provide Quality expertise in Product Development, Design Control activities, Design History Files, CAPA, Risk Management, and CE Technical Files.
JobotNewProcess Engineer JobotProcess EngineerChicago Heights, IL$90,000–$115,000 / 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.
Medline IndustriesSr Engineer Design Electrical Medline IndustriesSr Engineer Design ElectricalNorthfield, IL$101,000–$152,000 / yearFull timeThis role provides technical leadership and subject matter expertise across the full product lifecycle, from concept through commercialization; leads electrical and system level design efforts; translates user needs into compliant design specifications; mentors junior engineers; collaborates cross functionally; and drives design excellence to support successful product launches and continuous improvement. Bachelor’s degree in Electrical Engineering, Electrical & Computer Engineering, Software Engineering, Biomedical Engineering, or a related engineering discipline.
Midland States BankNewSenior Salesforce Engineer- Financial Services Cloud Midland States BankSenior Salesforce Engineer- Financial Services CloudChicago, IL$88,000–$130,000 / yearIf you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to Midland States Bank Human Resources at HR@midlandsb.com. The role ensures scalable, secure, and compliant solutions using the Salesforce Financial Services Cloud platform, supporting business objectives and optimizing system functionality.
Medline IndustriesSr. Quality Engineer- Surgical Instruments Medline IndustriesSr. Quality Engineer- Surgical InstrumentsChicago, IL$101,000–$152,000 / yearFull timeEvaluate production process, recommend improvements, qualify and conduct vendor management, generate and maintain DMR’s, product specifications, design control files, and CE technical files. Direct and collaborate with supplier representatives on quality problems, ensure that effective corrective actions are implemented (CAPA, SCAR), and contribute to supplier quality improvement programs.
Medline IndustriesSr Engineer Quality Medline IndustriesSr Engineer QualityNorthfield, IL$101,000–$152,000 / yearFull timeEvaluate production process, recommend improvements, qualify and conduct vendor management, generate and maintain DMR’s, product specifications, design control files, and CE technical files. Direct and collaborate with supplier representatives on quality problems, ensure that effective corrective actions are implemented (CAPA, SCAR), and contribute to supplier quality improvement programs.
Medline IndustriesSenior Quality Engineer - Advanced Wound Care Medline IndustriesSenior Quality Engineer - Advanced Wound CareNorthfield, IL$101,000–$152,000 / yearFull timeEvaluate production process, recommend improvements, qualify and conduct vendor management, generate and maintain DMR’s, product specifications, design control files, and CE technical files. Direct and collaborate with supplier representatives on quality problems, ensure that effective corrective actions are implemented (CAPA, SCAR), and contribute to supplier quality improvement programs.
Endeavor HealthNewSystems Engineer II Endeavor HealthSystems Engineer IIArlington Heights, ILOur more than 25,000 team members and more than 6,000 physicians aim to deliver transformative patient experiences and expert care close to home across more than 300 ambulatory locations and eight acute care hospitals – Edward (Naperville), Elmhurst, Evanston, Glenbrook (Glenview), Highland Park, Northwest Community (Arlington Heights) Skokie and Swedish (Chicago) – all recognized as Magnet hospitals for nursing excellence. This is achieved through researching, designing, building, configuring, testing, deploying, analyzing, administering, and maintaining/supporting environments and hardware, infrastructure and software platforms, and software technology components to meet current and future business needs for their specific technology portfolio.
System OneNewSenior Civil Structural Engineer System OneSenior Civil Structural EngineerDowners Grove, ILPrepare data and visualizations such as tables, charts, reports, sketches, calculations, cross-sections, and 2D/3D illustrations for the interpretation or presentation of more complex data, findings, or analyses. Coordinate with other disciplines, departments, and companies to ensure seamless technical compatibility and completion of engineering tasks safely, on-time, within budget and meeting all quality requirements.
Medline IndustriesEngineer Quality Medline IndustriesEngineer QualityChicago, IL$79,000–$119,000 / yearFull timeEvaluate production process, recommend improvements, qualify and conduct vendor management, generate and maintain DMR’s, product specifications, design control files, and CE technical files. Direct and collaborate with supplier representatives on quality problems, ensure corrective action implementation (CAPA, SCAR), and contribute to supplier quality improvement programs.
Medline IndustriesSenior Engineer Medline IndustriesSenior EngineerMundelein, IL$92,000–$138,000 / yearFull timeAs a key contributor, you will plan, organize, and control increased productivity projects from conceptual stages through production cycles in order to optimize profit and meet marketing, financial, and corporate growth objectives. Conduct training, when appropriate, on quality assurance and/or engineering concepts and tools, including but not limited to inspection, measurement, test methods, process validation, DOE, and comprehensive equipment operation procedures.
TLC Engineering SolutionsNewElectrical Project Engineer (Healthcare) TLC Engineering SolutionsElectrical Project Engineer (Healthcare)Oak Brook, ILThe Electrical Project Engineer is responsible for all sizes and types of projects from concept to completion of construction with the benefit of in-house coordination with multiple other disciplines. You will lead the project in all facets by interfacing with clients, providing technical excellence, and managing the project team and schedule to achieve a successful project outcome.
Medline IndustriesQuality Engineer - Personal Protective Equipment Medline IndustriesQuality Engineer - Personal Protective EquipmentChicago, IL$79,000–$119,000 / yearFull timeEvaluate production process, recommend improvements, qualify and conduct vendor management, generate and maintain DMR’s, product specifications, design control files, and CE technical files. Direct and collaborate with supplier representatives on quality problems, ensure corrective action implementation (CAPA, SCAR), and contribute to supplier quality improvement programs.
Medline IndustriesQuality Engineer - Post Market (Proxima) Medline IndustriesQuality Engineer - Post Market (Proxima)Chicago, IL$79,000–$119,000 / yearFull timeEvaluate production process, recommend improvements, qualify and conduct vendor management, generate and maintain DMR’s, product specifications, design control files, and CE technical files. Direct and collaborate with supplier representatives on quality problems, ensure corrective action implementation (CAPA, SCAR), and contribute to supplier quality improvement programs.
Medline IndustriesQuality Engineer - Personal Care Medline IndustriesQuality Engineer - Personal CareNorthfield, IL$79,000–$119,000 / yearFull timeEvaluate production process, recommend improvements, qualify and conduct vendor management, generate and maintain DMR’s, product specifications, design control files, and CE technical files. Direct and collaborate with supplier representatives on quality problems, ensure corrective action implementation (CAPA, SCAR), and contribute to supplier quality improvement programs.
VertivNewHVM-Sr. Sales Engineer - Technical - Midwest VertivHVM-Sr. Sales Engineer - Technical - MidwestChicago, IL$121,767–$152,205The Senior Sales Engineer - Technical will be asked to mentor Associate Sales Engineers, Inside Sales Engineers or Sales Engineers in the technical aspects, sales skills, marketing functions, business related activities and other skill sets required of field Sales Engineers. Customer Focus – Is dedicated to meeting the expectations and requirements of internal and external customer; Gets first-hand customer information and uses it for improvements in products and services; Acts with customers in mind; Establishes and maintains effective relationships with customers and gains their trust and respect.
J.A. Watts, IncorporatedNewSenior Project Engineer I - Land Development J.A. Watts, IncorporatedSenior Project Engineer I - Land DevelopmentLisle, IL$114,000–$156,000 / yearResponsible for performing complex technical assignments throughout assigned projects including construction layout, calculating and verifying engineering calculations, inspecting construction work, and conducting field tests. The Senior Project Engineer - Land Development is responsible for directly impacting Engineering project management through preparing, scheduling, coordinating and monitoring a variety of projects in the Engineering industry.
System OneSubstation Design Engineer System OneSubstation Design EngineerChicago, ILThis role is ideal for mid- to senior-level engineers with strong technical expertise in power delivery who are looking to take on greater responsibility in design execution, coordination, and client support. System One LLC is seeking an experienced Substation Electrical Engineer to support the design and delivery of high-voltage and extra-high-voltage substations and transmission systems.
System OneNewElectrical Engineer PE System OneElectrical Engineer PEWestmont, IL$100,000–$132,000 / yearThe purpose of a Senior Professional Electrical Engineer is to provide technical authority and direction as the Engineer of Record (EOR) for the development of electrical engineering designs, studies and solutions and part of an integrated project team. Apply engineering techniques and analyses within assigned scope, handling complex issues independently or referring only the most complicated problems to higher-level staff .
System OneNewNuclear Engineer V, Civil Structural System OneNuclear Engineer V, Civil StructuralDowners Grove, ILResponsibilities include developing specifications and modification packages, defining design scope, preparing design criteria documents, identifying and selecting equipment and instruments, and developing system functionality. This senior-level engineering role requires extensive experience with nuclear power plant systems, components, and structures and the ability to independently lead technical engineering efforts.
Constellation EnergyNewStructural Engineer Constellation EnergyStructural EngineerNaperville, IL$87,000–$154,000Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience.
LeidosNewSenior Civil/Structural Engineer LeidosSenior Civil/Structural EngineerChicago, IL$73,450–$132,775We are seeking a Licensed Senior Civil/Structural Engineer with 5+ years of experience within the utility industry working directly for a utility or consulting company, doing design engineering and reviews. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
System OneNewMechanical Engineer PE System OneMechanical Engineer PEWestmont, IL$100,000–$150,000 / yearPerform work with a high degree of latitude, handle complex issues, and provide leadership, coaching, or mentoring to subordinates. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
LeidosNewElectronics Engineer LeidosElectronics EngineerDes Plaines, IL$87,100–$157,450This position involves the development of project plans, project scopes, schedules, costs, and resource requirements and the development of drawings, specifications, and risk management documents in coordination with facility stakeholders from Technical Operations and Air Traffic organizations. This Electronics Engineer role will support the NISC IV program, to serve as project engineers responsible for planning and design activities to support the Federal Aviation Administration (FAA) facility modernization and telecommunication projects.
SymboticNewManager, System Engineer SymboticManager, System EngineerJoliet, IL$87,000–$119,900Must be capable of occasional and/or continuous feeling, seeing, hearing, bending, twisting, stooping, pushing, pulling, balancing, gripping, climbing, crawling, sitting, handling objects, and repetitive movement using both hands and feet. Applying next-gen technology, high-density storage and machine learning to solve today's complex distribution challenges, Symbotic enables companies to move goods with unmatched speed, agility, accuracy and efficiency.
Penske Truck LeasingNewLead Truck Driver - CDL Class A - Penske Logistics Penske Truck LeasingLead Truck Driver - CDL Class A - Penske LogisticsCarol Stream, ILWork the required schedule, work at the specific location required, complete Penske employment application, submit to a background investigation (to include past employment, education, and criminal history) and drug screening required. • This position is regulated by the Department of Transportation or designated as safety sensitive by the company, and the ability to work in a constant state of alertness and in a safe manner is required.
G&W Electric CoNewMechanical Design Engineer II G&W Electric CoMechanical Design Engineer IIChicago, IL$84,872–$97,193Working with us means joining a worldwide team of passionate manufacturing professionals striving to continually improve the technologies the world depends on to deliver safe, reliable electricity. Our continuous focus on growth and innovation means that you become part of a company that provides challenging opportunities, rewards excellence and combines your individual expertise to achieve a higher level of shared success.
Davies Molding, LLCQuality Engineer II Davies Molding, LLCQuality Engineer IICarol Stream, ILHistorically talented at restoring distressed companies, Heico strategically targets acquisitions that will complement its ever-growing portfolio of companies in manufacturing, construction, and industrial services. Since its founding over 40 years ago The Heico Companies has grown from a single business to over 78 separate companies through a strategic acquisition policy, and by reinvesting its earnings into internal growth and new prospects.
G&W Electric CoNewElectrical Design Engineer II G&W Electric CoElectrical Design Engineer IINaperville, IL$84,872–$97,193Organize, supervise and guide a team of engineers to perform Product Engineering functions: Simplify product designs for improved manufacturability and reduce cost without compromising product quality and function. Our continuous focus on growth and innovation means that you become part of a company that provides challenging opportunities, rewards excellence and combines your individual expertise to achieve a higher level of shared success.
PenskeLead Truck Driver - CDL Class A - Penske Logistics PenskeLead Truck Driver - CDL Class A - Penske LogisticsCarol Stream, ILFull timeWork the required schedule, work at the specific location required, complete Penske employment application, submit to a background investigation (to include past employment, education, and criminal history) and drug screening required. • This position is regulated by the Department of Transportation or designated as safety sensitive by the company, and the ability to work in a constant state of alertness and in a safe manner is required.