Project Manager Healthcare Construction JobotProject Manager Healthcare ConstructionStockton, CA$120,000–$185,000 / yearJob Details: We are seeking a dynamic and experienced Permanent Project Manager for Healthcare Construction- This position plays a crucial role in our organization, overseeing the ground-up construction, expansion, addition, and renovations of healthcare facilities, including Medical Office Buildings (MOB), hospitals, and seismic retrofits. 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.
NewFederal Construction Project Manager JobotFederal Construction Project ManagerStockton, CA$110,000–$160,000 / yearWith a reputation for delivering complex, high-security renovations and infrastructure upgrades for agencies like the VA, DOD, and NASA, we combine the sophisticated project management of a large firm with the agile, relationship-driven culture of a boutique builder. Qualifications: 5+ years of experience as a commercial or public works GC Project Manager; strong familiarity with public agency protocols; background in design-build construction a plus; degree in Construction Management or Civil Engineering is a plus.
NewCommercial Route Manager with Fumigation/ QLA (M) Sprague Pest SolutionsCommercial Route Manager with Fumigation/ QLA (M)stockton, CA$26–$32 / hourThe Route Manager will develop cordial professional relationships with clients to fully understand their unique business challenges, offer knowledgeable guidance, recommend actions, and solve a wide variety of pest management problems. This position reports to the Branch Manager and partners with Operations Managers, Sales Reps, and a team of Route Managers (technicians) to continually enhance client satisfaction and business operations.
NewCommercial Route Manager Sprague Pest SolutionsCommercial Route ManagerMODESTO, CA$21–$26 / hourThis position reports to the Branch Manager and partners with Operations Managers, Sales Reps, and a team of Route Managers (technicians) to continually enhance client satisfaction and business operations. The Route Manager will develop professional relationships with clients to understand their unique business challenges, offer knowledgeable guidance, recommend actions, and solve a wide variety of pest management problems.
NewTravel Skilled Nursing Facility (SNF) Occupational Therapist - $2,366 per week Towne U.S. LLCTravel Skilled Nursing Facility (SNF) Occupational Therapist - $2,366 per weekTurlock, CAThis position focuses on providing high-quality rehabilitation services to a primarily geriatric population, including short-term rehab patients and long-term care residents. The OT will evaluate residents, develop individualized treatment plans, and deliver evidence-based interventions designed to restore functional independence, improve safety, and enhance overall quality of life.
NewTravel Skilled Nursing Facility (SNF) Physical Therapy Assistant - $1,667 per week Towne U.S. LLCTravel Skilled Nursing Facility (SNF) Physical Therapy Assistant - $1,667 per weekTurlock, CAThis role focuses on providing high-quality rehabilitation services to short-term rehab patients and long-term residents, helping them regain mobility, independence, and confidence in daily activities. The PTA will implement individualized treatment plans developed by the supervising Physical Therapist, delivering skilled interventions that improve strength, balance, gait, and functional mobility.
NewTravel Skilled Nursing Facility (SNF) Physical Therapy Assistant - $1,780 per week CoreMedical GroupTravel Skilled Nursing Facility (SNF) Physical Therapy Assistant - $1,780 per weekTurlock, CAEstimate of weekly payments is intended for informational purposes and includes hourly wages, as well as reimbursements for meal & incidental expenses, and housing expenses incurred on behalf of the Company. In addition to dedicated, personalized support from your recruiter, when you work with CoreMedical Group you'll receive: Access to an extensive benefits package, including day 1 health, dental, and vision insurance, employer paid life insurance, a health reimbursement account, and more!
Senior Manager, EH&S, Facilities & Security StandardAero IncSenior Manager, EH&S, Facilities & SecurityStockton, CAReporting to the VP/General Manager, this role ensures compliance with regulatory and corporate requirements while providing strategic leadership for environmental, health and safety programs, facilities maintenance, physical security, emergency preparedness, and continuous improvement initiatives that support safe, efficient, and compliant operations. Manage and maintain EHS&S management systems, regulatory permits, ISO certifications, and corporate reporting requirements while serving as the primary liaison with regulatory agencies, auditors, and external authorities.
Facilities Operations Manager California State UniversityFacilities Operations ManagerStockton, CA$7,580–$10,106 / yearOversee and manage the day-to-day operations, maintenance, and repair of all campus building systems, including but not limited to HVAC&R, plumbing, electrical, refrigeration, central heating and cooling plants, fire/life safety systems, and energy management systems. As a member of the 23-campus CSU System, we offer an extremely competitive benefits package that includes, but is not limited to, outstanding vacation, health, dental, and vision plans; a fee waiver education program; membership in the California Public Employees Retirement System (PERS); and 15 paid holidays a year.
Facilities Operations Manager Stanislaus StateFacilities Operations ManagerStockton, CaliforniaOversee and manage the day-to-day operations, maintenance, and repair of all campus building systems, including but not limited to HVAC&R, plumbing, electrical, refrigeration, central heating and cooling plants, fire/life safety systems, and energy management systems. As a member of the 23-campus CSU System, we offer an extremely competitive benefits package that includes, but is not limited to, outstanding vacation, health, dental, and vision plans; a fee waiver education program; membership in the California Public Employees Retirement System (PERS); and 15 paid holidays a year.
Engineer Facility Manager Global Channel ManagementEngineer Facility ManagerMerced, CaliforniaEngineer Facility Manager needs electrical or mechanical engineering degree or 10 years equivalent experience in a Facility Management discipline experience with the ability to travel to assigned projects. Manage construction activities to include reviewing of drawings and specifications, participating in design meetings, providing best practices, commissioning, construction site evaluations and inspections.
Facility Manager Global Channel ManagementFacility ManagerMerced, CaliforniaFacility Manager needs 10 years equivalent experience in a Facility Management discipline experience with the ability to travel to assigned projects. Facility Manager duties: Ø Oversee performance reviews for all on-site FM Team members and primary sub-contractors.
Temple Facilities Asst 2 (Full time) - Modesto CA Temple Church of Jesus Christ of Latter-day SaintsTemple Facilities Asst 2 (Full time) - Modesto CA TempleModesto, CAFrom the IT professional who develops an app that sends the gospel message worldwide, to the facilities manager who maintains our buildings- giving Church members places to worship, teach, learn, and receive sacred ordinances-our employees seek innovative ways to share the gospel of Jesus Christ with the world. Maintains electrical system, including the following: (1) heaving industrial high voltage three phase wiring; (2) conventional and electronic motor control system; (3) maintaining and repairing lighting system including 110, 277 volts and three way 24 volt lighting system.
Facility Operations Manager Global Channel ManagementFacility Operations ManagerMerced, CaliforniaFacility Operations Manager needs 5 years facility management or building operations experience required with three years of supervisory experience in management, budgeting, vendor management, operations and maintenance required. Five years of facility management or building operations experience required with three years of supervisory experience in management, budgeting, vendor management, operations and maintenance required.
Facilities Technician EskatonFacilities TechnicianStockton, CaliforniaPerforms a variety of other clerical duties, depending upon project assigned, such as posting data, typing reports, sorting and distributing mail and phone messages, filing invoices, purging outdated files and other related clerical duties. Upon completion of work orders, enters information into TELS, (employee completing work, time spent, cost and charges, work accomplished, equipment and parts used) and close work order.
(USA) Senior Manager I, Operations Improvement, Facility Walmart Inc(USA) Senior Manager I, Operations Improvement, FacilityStockton, CA$127,600–$191,400 / yearBachelor's degree in Business or related field and 3 years' experience in retail operations, content development, project management, or related area OR 5 years' experience in retail operations, content development, project management, or related area. Position summary As Senior Manager, Operations Improvement, you'll lead multiple, high-visibility improvement initiatives that simplify how work gets done and strengthen performance across the business.
Facility Commercial Manager Global Channel ManagementFacility Commercial ManagerMerced, CaliforniaFacility Commercial Manager needs 5 years facility commercial management or building operations experience. Facility Commercial Manager duties: Maintains a proactive relationship with customers and understands the business needs of local customers.
(USA) Technician, General Facilities Maintenance Walmart Inc(USA) Technician, General Facilities MaintenanceTRACY, CA$23–$42 / hourKey Responsibilities: Maintain and repair Walmart facilities, equipment, and assets by utilizing multiple craft skills (for example, plumbing, electrical, carpentry, material handling equipment, food equipment) and using hand tools, power tools, and other equipment to complete jobs. Vocational or Technical certification and 3 years'' experience in one of the following trades: plumbing, electrical, material handling equipment, or related trade or 5 years'' experience in one of the following trades: plumbing, electrical, material handling equipment, or related trade.
(USA) Technician, General Facilities Maintenance Food Technician Walmart Inc(USA) Technician, General Facilities Maintenance Food TechnicianTRACY, CA$23–$42 / hourEquipment Serviced Food Equipment: Combi ovens, deli slicers, auto meat cutters, fryers, hot cases, ice makers, pizza ovens, rotisserie ovens, thermoglazers, donut cases, four bowl warmers, bakery ovens, bread slicers, tortilla makers. Food Equipment: Combi ovens, deli slicers, auto meat cutters, fryers, hot cases, ice makers, pizza ovens, rotisserie ovens, thermoglazers, donut cases, four bowl warmers, bakery ovens, bread slicers, tortilla makers.
Facilities Maintenance Technician Niagara BottlingFacilities Maintenance TechnicianStockton, CA$31.79–$46.10 / hourMaintain process water and equipment including preventative maintenance tasks, preventive maintenance schedules, and operational data, Maintain product water and equipment including preventative maintenance tasks, preventative maintenance schedules and operational data. Employment agencies that have fee agreements with Niagara Bottling, LLC and have been engaged on a search shall submit résumé to the designated Niagara Bottling, LLC recruiter or, upon authorization, submit résumé into this career site to be eligible for placement fees.
Facilities Maintenance Technician Niagara WaterFacilities Maintenance TechnicianStockton, CaliforniaMaintain process water and equipment including preventative maintenance tasks, preventive maintenance schedules, and operational data, Maintain product water and equipment including preventative maintenance tasks, preventative maintenance schedules and operational data. Employment agencies that have fee agreements with Niagara Bottling, LLC and have been engaged on a search shall submit résumé to the designated Niagara Bottling, LLC recruiter or, upon authorization, submit résumé into this career site to be eligible for placement fees.
Network Facilities Technician - Merced, CA Race CommunicationsNetwork Facilities Technician - Merced, CAMerced, California$36–$40 / hourMaintain a professional appearance, hygiene, and demeanorPerforms other related duties as assigned by management Core Competencies: Customer Focus: Responds promptly to team member (internal) and customer or vendor (external) needs; Solicits internal and external customer feedback to improve service delivery; Manages difficult or emotional internal and external customer situations; Responds to internal and external requests for service and assistance; Provides adequate communication of expected outcomes and status updates to manage expectations; Meets commitments. Expected travel to remote or client sites may be necessary for special projects, equipment upgrades, or customer support needsExpected to travel on short notice in response to emergency situations or critical maintenance requirements Other duties as necessary may include but are not limited to: Successfully complete assigned training and examinations, as well as participate in ongoing performance and development reviews, and goal settingBe available to participate in internal or external meetings, special functions, and professional development opportunities.
Commercial Property Manager PACE SupplyCommercial Property ManagerStockton, CaliforniaFull timeThe Corporate Facilities Administrator leads and mentors facilities staff, drives continuous process improvements, ensures projects are completed on time and within budget, and collaborates cross-functionally to maintain and enhance PACE Supply's facilities across all locations. This role partners closely with the Real Estate & Facilities Manager to oversee facility maintenance, capital improvement projects, new branch openings and expansions, vendor relationships, budgets, and departmental processes.
NewHealthcare Operations Facility Administrator Fresenius Medical Care AG & Co KGaAHealthcare Operations Facility AdministratorStockton, CA$71,000–$166,000 / yearWe are there when you may need us most, from tuition reimbursement to support your education goals, granting scholarships to family members, delivering relief when natural disasters strike, or providing financial support when personal hardship hits, we take care of our people. We have a diverse range of employee resource groups (ERGs) to encourage employees with similar interests, goals, social and cultural backgrounds, or experiences to come together for professional and personal development, discussion, activities, and peer support.
Assistant Event Operations Manager LegendsAssistant Event Operations ManagerStockton, CAResponsibilities include Working with Event Operations & Security Manager on interviewing, hiring and training employees; planning, assigning, and directing work; appraising performance; rewarding and disciplining employees; addressing complaints and resolving problems. Include the following: Manage all aspects of facility operations: front and back-of-house, preventive maintenance, third-party contracting, staffing, venue setup/tear-down at all Stockton Complex Venues.
Assistant Event Operations Manager Legends Hospitality, LLCAssistant Event Operations ManagerStockton, CAResponsibilities include Working with Event Operations & Security Manager on interviewing, hiring and training employees; planning, assigning, and directing work; appraising performance; rewarding and disciplining employees; addressing complaints and resolving problems. Include the following: Manage all aspects of facility operations: front and back-of-house, preventive maintenance, third-party contracting, staffing, venue setup/tear-down at all Stockton Complex Venues.
NewGeneral Manager 3 - Food Sodexo SAGeneral Manager 3 - FoodRipon, CA$77,605–$100,430 / yearThis is a hands-on, working managers role requiring previous experience managing upscale food production, with retail and/or restaurant upscale full service management experience preferred. You'll guide and develop your team while managing financial performance and building strong relationships with clients and customers to support sustained success.
Account Manager - Commercial HVAC Mesa Energy Systems, Inc.Account Manager - Commercial HVACModesto, California$75,000–$120,000 / yearFull timeEssential Duties & Responsibilities: Persons filling this position will be responsible for prospecting for new accounts, providing clients with product services/information, maintaining existing client relationships, developing sales presentations, and following through with each client and opportunity. • Seek out and research prospective clients and/or projects through various methods including contacting prospective client Chief Engineer, Property Managers, and/or Asset Managers, etc.
Account Manager - Boiler Sales Mesa Energy Systems, Inc.Account Manager - Boiler SalesModesto, California$75,000–$120,000 / yearFull timeEssential Duties & Responsibilities: Persons filling this position will be responsible for prospecting for new accounts, providing clients with product services/information, maintaining existing client relationships, developing sales presentations, and following through with each client and opportunity. • Seek out and research prospective clients and/or projects through various methods including contacting prospective client Chief Engineer, Property Managers, and/or Asset Managers, etc.
Project Manager II Kitchell CorporationProject Manager IIModesto, CA$125,000–$140,000 / yearKitchell seeks experienced and dedicated Project Manager II to join our Central California region in the Modesto area and build a long-term career at one of the most innovative and growth-oriented building companies in the United States. While performing the duties of this job, the employee must regularly sit, stand, walk, talk or hear and use hands to finger, feel and handle; frequently reach with hands and arms; occasionally climb or balance and stoop, kneel, crouch or crawl.
Manager, Maintenance JELD-WEN Holding IncManager, MaintenanceStockton, CA$95,500–$159,100 / yearAmerican Building Supply (ABS), a subsidiary of Jeld Wen, and one of the Nation's largest wholesale suppliers of Doors, Door Hardware, Windows, and Millwork, currently has a position available for Maintenance Manager team member to assist our Distribution division in providing value-added goods and services to our customers. JELD-WEN Holding, Inc. (NYSE: JELD) is a leading global designer, manufacturer and distributor of high-performance interior and exterior doors, windows, and related building products serving the new construction and repair and remodeling sectors.
Assistant Event Operations Manager Legends GlobalAssistant Event Operations ManagerStockton, CaliforniaResponsibilities include Working with Event Operations & Security Manager on interviewing, hiring and training employees; planning, assigning, and directing work; appraising performance; rewarding and disciplining employees; addressing complaints and resolving problems. Include the following: Manage all aspects of facility operations: front and back-of-house, preventive maintenance, third-party contracting, staffing, venue setup/tear-down at all Stockton Complex Venues.
Clinical Nutrition Manager 3 Sodexo SAClinical Nutrition Manager 3TURLOCK, CA$81,685–$105,710 / yearSodexo is seeking a Registered Dietitian for a full-time Clinical Nutrition Manager position at Covenant Living of Turlock a 51-bed upscale skilled nursing facility in Turlock, CA. Lead daily clinical nutrition operations for a large account, system, or multiple contracts, overseeing both non-exempt and entry-level professional staff.
NewOT-Occupational Therapist- Skilled Nursing Facility HiredFirstOT-Occupational Therapist- Skilled Nursing FacilityStockton, CA$60–$70We’re hiring a licensed Occupational Therapist (OT) in Stockton, CA and offering two paths in one posting : 13-week contract (ideal for travelers or local clinicians who want flexibility). Setting: Inpatient Rehab / Acute / SNF / Outpatient / Home Health (matched to your experience & preference).
Account Manager Boiler Sales EMCOR Group IncAccount Manager Boiler SalesModesto, CA$75,000–$120,000 / yearSeek out and research prospective clients and/or projects through various methods including contacting prospective client Chief Engineer, Property Managers, and/or Asset Managers, etc.• Making phone calls, visits, attending conferences, utilizing the Internet, and leveraging existing relationships.• Communicating professionally with various departments within EMCOR/Mesa, such as Operations, chiller teams, project management, sales teams, and others.• Demonstrate a personal commitment to your growth and development, including attending product and sales training events, and participating at all professional training provided by EMCOR/Mesa.•
Account Manager Commercial HVAC EMCOR Group IncAccount Manager Commercial HVACModesto, CA$75,000–$120,000 / yearSeek out and research prospective clients and/or projects through various methods including contacting prospective client Chief Engineer, Property Managers, and/or Asset Managers, etc.• Making phone calls, visits, attending conferences, utilizing the Internet, and leveraging existing relationships.• Communicating professionally with various departments within EMCOR/Mesa, such as Operations, chiller teams, project management, sales teams, and others.• Demonstrate a personal commitment to your growth and development, including attending product and sales training events, and participating at all professional training provided by EMCOR/Mesa.•
Customer Service Manager (Building Materials) All Kingspan and Affiliate CompaniesCustomer Service Manager (Building Materials)Modesto, CaliforniaKingspan Insulated Panels North America, a division of the Kingspan Group plc headquartered in Ireland, is a global and trusted leader in the design, manufacturing, and supply of high-performance sustainable building products and solutions for the construction industry. Through the utilization of experience and effective leadership techniques, the ideal candidate will optimize tools and processes to support the team in delivering results and ultimately raise the level of customer satisfaction through elevated levels of service across the team.
Seasonal Assistant District Manager Jackson Hewitt - HSFSeasonal Assistant District ManagerModesto, CAFull timeThe Seasonal Assistant District Manager (ADM) is responsible to help the business from the ground up providing real business leadership development and experience as well as deep understanding of critical components of business success (recruitment/retention strategies, marketing, employee development, operations, training, profitability, team leadership). Thank you for your interest in Jackson Hewitt Inc., Jackson Hewitt Technology Services, LLC, Tax Services of America, Inc., or any of its or their subsidiaries, affiliates, or related entities (collectively herein, “Jackson Hewitt” or the “Company,” but excluding independently owned and operated franchise locations).
NewSeasonal Assistant District Manager HSFSeasonal Assistant District ManagerModesto, California$45,000–$70,304 / yearThe Seasonal Assistant District Manager (ADM) is responsible to help the business from the ground up providing real business leadership development and experience as well as deep understanding of critical components of business success (recruitment/retention strategies, marketing, employee development, operations, training, profitability, team leadership). Thank you for your interest in Jackson Hewitt Inc., Jackson Hewitt Technology Services, LLC, Tax Services of America, Inc., or any of its or their subsidiaries, affiliates, or related entities (collectively herein, “Jackson Hewitt” or the “Company,” but excluding independently owned and operated franchise locations).
Senior Project Manager Kitchell CorporationSenior Project ManagerModesto, CA$165,000–$175,000 / yearKnowledge and application of master planning, A/E solicitation, project development, design-phase management, construction estimating, cost, project controls/scheduling, documentation, engineering/construction principles, contracts and delivery methods are required. Kitchell seeks an experienced and dedicated Senior Project Manager to join our Central California region in Modesto and build a long-term career at one of the most innovative and growth-oriented building companies in the United States.
Nurse Practitioner II Short Hour Multi Facility Kaiser PermanenteNurse Practitioner II Short Hour Multi FacilityModesto, CAThe NP performs physical examinations, confers with patients in person and by phone/electronically, collaborates with others in the department to assure smooth flow of patient care consistent with established quality indicators and participates in the overall coordination of patient care. Performs assessment/data collection in an on-going systematic manner, focusing on physiologic, psychosocial, cultural, spiritual and cognitive status; patient/family education, family involvement and patient advocacy.
Nurse Practitioner II TEMP Multi Facility Kaiser PermanenteNurse Practitioner II TEMP Multi FacilityModesto, CAThe NP performs physical examinations, confers with patients in person and by phone/electronically, collaborates with others in the department to assure smooth flow of patient care consistent with established quality indicators and participates in the overall coordination of patient care. Performs assessment/data collection in an on-going systematic manner, focusing on physiologic, psychosocial, cultural, spiritual and cognitive status; patient/family education, family involvement and patient advocacy.
Maintenance Manager Shehadey Family FoodsMaintenance ManagerTurlock, CaliforniaSupports the Facilities Engineering Manager on new equipment installations and repairs, by ensuring maintenance team members are properly trained and that all applicable assets are documented in the Computerized Maintenance Management Software (CMMS). Approaches work with a Continuous Improvement (CI) mindset, and engage in MVFF Mission Statement to identify, value, prioritize, resource, and sustain improvement opportunities.
Store Manager - Weberstown Mall Pandora ASStore Manager - Weberstown MallStockton, CA$33–$41.25 / hourUtilize your brilliance across your divisions of responsibility (talent, brand, operations, and fan experience), guaranteeing the timely implementation of visual merchandising directives, efficient operational processes, and continuous talent growth and development. Dream to Build, coach and inspire a team of talented Pandorians, fostering a sense of accountability for both yours and the overall store performance by providing real-time feedback and guidance to empower your team in achieving their KPI goals.
Engineering Project Manager E Tech GroupEngineering Project ManagerModesto, CA$120,000–$160,000 / yearWe'reone of the largest engineering and system integration firms in the United States providing value for our clientsthrough IT automation and control solutions for more than 30 years to the Life Sciences, Mission Critical, Metals& Mining, Warehousing & Distribution, and CPG/Food & Beverage industries. We are seeking an Engineering Project Manager to lead a large project or multiple project efforts, which may include subcontractors, high dollar value material content and multiple resources.
NewSenior Maintenance Manager Teasdale FoodsSenior Maintenance ManagerAtwater, CaliforniaIt emphasizes the value of diverse perspectives, collective problem-solving, and synergy among team members, enabling us to achieve greater outcomes by leveraging the strengths and expertise of our employees.. Stay current with industry trends, best practices, and technological advancements in maintenance and reliability engineering, and recommend and implement innovative solutions to enhance maintenance effectiveness and efficiency.
Commercial Route Manager With Fumigation/ QLA (M) Sprague Pest SolutionsCommercial Route Manager With Fumigation/ QLA (M)Stockton, CA$26–$32 / hourThe Route Manager will develop cordial professional relationships with clients to fully understand their unique business challenges, offer knowledgeable guidance, recommend actions, and solve a wide variety of pest management problems. This position reports to the Branch Manager and partners with Operations Managers, Sales Reps, and a team of Route Managers (technicians) to continually enhance client satisfaction and business operations.
Commercial Route Manager with Fumigation/ QLA Sprague Pest SolutionsCommercial Route Manager with Fumigation/ QLAStockton, CA$26–$32 / hourThe Route Manager will develop cordial professional relationships with clients to fully understand their unique business challenges, offer knowledgeable guidance, recommend actions, and solve a wide variety of pest management problems. This position reports to the Branch Manager and partners with Operations Managers, Sales Reps, and a team of Route Managers (technicians) to continually enhance client satisfaction and business operations.
READY MIX OPERATIONS MANAGER Knife River CorpREADY MIX OPERATIONS MANAGERSTOCKTON, CAThis role provides leadership to plant managers, dispatchers, drivers, and production teams while ensuring safe, efficient, and profitable operations. Success in this position requires strong industry knowledge, sound decision-making skills, and the ability to build productive relationships across operations, sales, maintenance, and executive leadership.
Janitorial Project Manager ABM Industries IncJanitorial Project ManagerModesto, CAWith over $8 billion in annual revenue and a blue-chip client base, ABM delivers innovative technologies and sustainable solutions that enhance facilities and empower clients to achieve their goals. Must be able to lift at least 50 lbs., navigate around tight spaces, walk or stand for a period of 8-10 hours per day in an environment with variable noise levels, lighting conditions and temperature variations.