NewIT Security Engineer II MedImpactIT Security Engineer IISan Diego, California$155,376–$199,769 / yearThis position must work on-site at the San Diego Headquarters for purposes of providing adequate support to internal clients; being available for face-to-face interactions and coordination of work with other employees, colleagues, clients, or vendors; as well as for facilitation of quick and effective decisions through collaboration with stakeholders. Exemption Status: United States of America (Exempt)$110,982 - $155,376 - $199,769 “Pay scale information is not necessarily reflective of actual compensation that may be earned, nor a promise of any specific pay for any selected candidate or employee, which is always dependent on actual experience, education, qualifications, and other factors.
NewRN Case Manager Opportunity – Indianapolis, IN Interim HealthCareRN Case Manager Opportunity – Indianapolis, INIndianapolis, INFull timeWe take a patient-centric approach to address each individual's mind, body, and spirit, our caregivers work tirelessly to help their patients and families find peace. •One (1) year of professional experience practicing as a Registered Nurse (RN) in home health or similar setting; previous case management/utilization review experience preferred.
Senior HVAC Service Technician B & I Contractors, IncSenior HVAC Service TechnicianTampa, FLFull timeKey Responsibilities Troubleshoot, service and repair as needed all types of mechanical equipment including accurate diagnostics of refrigeration and electronics circuits with the ability to repair and replace components as it pertains to HVAC and other mechanical equipment. B&I Contractors, Inc., a proud five-time winner of the Great Place to Work certification, is seeking an experienced and dedicated Senior HVAC Service Technician to join our dynamic and expanding team.
Systems Engineer III Jack in the Box IncSystems Engineer IIISan Diego, CARemote$110,900–$155,100 / yearAdvanced Troubleshooting: Serves as the final escalation point for complex technical issues; conducting in-depth root cause analysis and implementing solutions to resolve critical problems. Vendor and Partner Relationships: Collaborates with vendors and service providers to evaluate, select, and integrate third-party solutions that align with organizational needs.
Senior Project Engineer Balfour Beatty ConstructionSenior Project EngineerSan Diego, CAAssists project management by proactively managing the project budget by controlling expenses, administering owner and subcontractor billings, identifying work not covered by subcontractor'sscope of work/budget and ensuring the success of office support functions related to the overall cost and scheduled completion. Assists Project Manager / Superintendent in the review and coordination of the Loss Prevention and Quality Control Program.• Manages pre-work subcontractor orientation meetings, ensuring documentation is completed for each subcontractor including material deliveries, site specific safety and quality control issues.•
NewField/Base Communications Network Engineer LeidosField/Base Communications Network EngineerSan Diego, CaliforniaProvides COMSEC Local Element support to assigned locations, which includes managing COMSEC hardware/software assets and key inventories, loading keys into Encryption devices, installing, configuring, troubleshooting, upgrading, removing/replacing faulty equipment, interacting with the Government KOAMs and following prescribed procedures and processes related to COMSEC. •Must have normal color vision to identify different colors of wires and cables; must have correctable vision to 20/20 or better so you can see objects and information displayed in schematics, test equipment, and computer monitors; must have depth perception to be able to judge distance between objects to work safely on ladders and in confined spaces; must be able to use and read digital test equipment such as OTDR (optical time-domain reflectometer).
Cloud Engineer - M365 ViaSat IncCloud Engineer - M365Carlsbad, CA$150,000–$225,000 / yearAs an M365 Cloud Engineer focusing on GCC-H deployment, you'll be responsible for administering and configuring the full suite of Microsoft 365 (M365) services, including Exchange Online, SharePoint, OneDrive, and Microsoft Teams, in a GCC-H environment! For specific work locations within San Jose, the San Francisco Bay area and New York City metropolitan area, the base pay range for this role is $150,000.00- $225,000.00/ annually.
Manufacturing Engineer 2 Hologic IncManufacturing Engineer 2San Diego, CAThe Manufacturing Engineer II will troubleshoot and improve equipment and processes, support manufacturing teams, develop and update procedures, perform testing, and support process transfers from Engineering to Manufacturing. As a Quality Programs Manager 4, you will be a key leader responsible for ensuring regulatory compliance, driving continuous improvement, and embedding industry best practices across our Quality Management System (QMS).
Product Quality Engineer - Commercial Aviation ViaSat IncProduct Quality Engineer - Commercial AviationCarlsbad, CA$79,500–$119,500 / yearFor specific work locations within San Jose, the San Francisco Bay area and New York City metropolitan area, the base pay range for this role is $79,500.00- $119,500.00/ annually. Cross-Functional Coordination: Facilitate communication across supplier quality and product quality assurance teams, serving as a liaison between engineering and other departments.
Senior Software Engineer - 5G Devices ViaSat IncSenior Software Engineer - 5G DevicesCarlsbad, CA$161,000–$255,000 / yearThis role focuses on device-side software architecture, integrating industry-leading 5G chipsets with custom satellite and networking capabilities to create hybrid connectivity solutions for various markets including automotive, aviation, and maritime. The Viasat Access Edge Terminal Software team is responsible for the design, development, delivery and support of software running on embedded satellite terminal products (Ka-band, L-band, 5G) that are used in aviation, maritime, residential and other sectors.
Staff Software Systems Engineer ReaxiomaticStaff Software Systems EngineerSan Diego, CAThis role exists to turn COTS applications, custom software, and evolving system requirements into reliable, maintainable software that works under real operational constraints: compute limits, latency, usability, regulatory expectations, integration risk, and compressed timelines. This person will be expected to define architectures, select tools and components, write software, integrate with hardware, support test operations, evaluate compliance paths, and make explicit trades against schedule, cost, reliability, maintainability, usability, and performance.
Staff Flight Sciences Engineer ReaxiomaticStaff Flight Sciences EngineerSan Diego, CAResponsibilities include developing analytical packages that support certification or experimental approval pathways, identifying potential regulatory constraints early, and working with both regulators and internal engineering teams to resolve issues without unnecessarily slowing development. Demonstrated ability to answer engineering questions using disciplined analytical reasoning, including hand calculations and simplified models, and to apply higher-order analysis methods only when warranted.
NewCity Traffic Engineer City of El Cajon CACity Traffic EngineerEl Cajon, CA$72.54–$88.17 / hourThe ideal candidate is an experienced leader with strong technical traffic engineering knowledge, sound judgement, effective communication skills, and the ability to manage multiple priorities while developing staff and delivering transportation improvements for the community. The City Traffic Engineer oversees traffic engineering staff and activities involving traffic signals, signing and striping, roadway lighting, traffic operations, transportation planning and analysis, development review, traffic safety improvements, and capital projects.
NewPrincipal Software Engineer – TeraWave RF and Optical Systems Blue OriginPrincipal Software Engineer – TeraWave RF and Optical SystemsSan Diego, Washingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
NewAssociate Engineer - Traffic City of El Cajon CAAssociate Engineer - TrafficEl Cajon, CA$51.02–$62.01 / hourDuties may include professional engineering work related to: Design of traffic projects, including roadway lighting, traffic signals, signing and striping plans, and pavement marking plans; Traffic signal design, timing, operations, and improvements; Traffic control plan review and traffic engineering support for City projects; Orders and reviews work of traffic operations section and signal service contractor, including signing and striping by City forces; Reviews planning actions and development proposals for traffic-related comments; Coordinates and confers with other City personnel and departments, representatives of other public and private agencies and the public; Capital improvement project design and implementation; Receives, investigates and deals with public on service requests and related matters; Preparation of background and technical reports for management and City Council; Supervises and directs division activities and traffic engineering personnel. The position provides hands-on experience with traffic signals, roadway safety, signing and striping, development projects, and capital improvements, while working with a multidisciplinary team and gaining opportunities for professional growth and increased project responsibility.
Senior Embedded Software Engineer – Cyber Innoflight LLCSenior Embedded Software Engineer – CyberSan Diego, CA$170,000–$215,000 / yearA DAY IN THE LIFE: As a Senior Embedded Software Engineer – Cyber, you will design, develop, and integrate advanced cyber secure embedded software solutions for satellite avionics and payload data processing systems. You will collaborate closely with Systems, Hardware, and FPGA engineers to deliver highly secure, rugged, reliable, and Low-Size, Weight, and Power (Low-SWaP) aerospace products.
Senior Project Engineer Kitchell CorporationSenior Project EngineerSan Diego, CA$80,000–$99,000 / yearWhile 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. Project Engineer (DOE) to join our Southern California Regional in the City of San Diego and build a long-term career at one of the most innovative and growth-oriented building companies in the United States.
Audio Visual Engineer AGE SolutionsAudio Visual EngineerSan Diego, CAAGE Solutions is a premier technology and professional services company, providing in-depth consulting, advanced technology solutions, and essential services throughout the U.S. government, defense, and intelligence sectors. This role provides installation, troubleshooting, and sustainment support for enterprise audio-visual systems and will augment support to other zones as required.
Cybersecurity Engineer I SaalexCybersecurity Engineer ISan Diego, CA$85,000–$145,000 / yearSaalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Founded in 1999 by Travis Mack, Saalex Solutions is a Service Disabled Veteran-Owned and Operated business with prime and subcontract expertise serving the Navy, Army, Air Force, NASA, corporate clients, and local governments.
Network Engineer I SaalexNetwork Engineer ISan Diego, CA$75,000–$130,000 / yearSaalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Founded in 1999 by Travis Mack, Saalex Solutions is a Service Disabled Veteran-Owned and Operated business with prime and subcontract expertise serving the Navy, Army, Air Force, NASA, corporate clients, and local governments.
Network Engineer IV SaalexNetwork Engineer IVSan Diego, CA$115,000–$185,000 / yearSaalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Founded in 1999 by Travis Mack, Saalex Solutions is a Service Disabled Veteran-Owned and Operated business with prime and subcontract expertise serving the Navy, Army, Air Force, NASA, corporate clients, and local governments.
Staff R&D Mechanical Engineer nVent Electric Inc.Staff R&D Mechanical EngineerSan Diego, CA$89,300–$165,800 / yearWe provide a broad benefits package with meaningful programs for eligible full-time employees that includes: Medical, dental, and vision plans along with flexible spending accounts, short-term and long-term disability benefits, critical illness, accident insurance and life insurance. WHAT YOU WILL EXPERIENCE IN THIS POSITION: This Engineering professional is considered a domain expert in the functional areas of mechanical engineering, systems and processes addressing Data Solutions Enclosure market needs in close collaboration with Product Management strategies.
Quality Engineer nVent Electric Inc.Quality EngineerSan Diego, CAWe provide a broad benefits package with meaningful programs for eligible full-time employees that includes: Medical, dental, and vision plans along with flexible spending accounts, short-term and long-term disability benefits, critical illness, accident insurance and life insurance. We offer a comprehensive range of systems protection and electrical connections solutions across industry-leading brands that are recognized globally for quality, reliability and innovation.
1699 - Network Engineer IV Sigma Defense1699 - Network Engineer IVSan Diego, CA$125,000–$145,000 / yearThe Network Engineer delivers advanced afloat C4ISR network engineering, integration, and sustainment for the Navy's carrier training tactical system - a ruggedized component of the CANES architecture used across Fleet units. Position at the intersection of fleet training and afloat network readiness, the role provides hands-on technical leadership and direct support to operations units preparing for deployment.
Lead Airframe Structures Engineer Approach VentureLead Airframe Structures EngineerSan Diego, CaliforniaBacked by strong commercial momentum and an experienced leadership team, we are building an integrated engineering organization focused on bringing innovative aviation technologies from concept into production through rapid development, rigorous testing, and scalable manufacturing. This role combines hands-on engineering with technical leadership, requiring close collaboration across design, analysis, manufacturing, suppliers, and executive leadership to ensure successful execution of critical development milestones.
Quality Engineer II - Bilingual - CONTRACTOR LGQuality Engineer II - Bilingual - CONTRACTORAliso Viejo, CaliforniaProvides initial hardware/software (HW/SW) analysis (Diagnostic Trouble Codes & Bench Test Confirmation, Log Capture, PCB Component Level investigations, etc.) on suspect issues. Our salary ranges take into account many factors in making compensation decisions including but not limited to skillset, experience, licensure, certifications, internal equity, and other business needs.
Validation Engineer I LGValidation Engineer IAliso Viejo, CaliforniaKey responsibilities include verifying and evaluating issues, logging software defects in a tracking database, reviewing test data, creating test cases based on specifications, and generating summary reports. VS (Vehicle component Solutions) Company ( https://www.lg.com/global/mobility ) of LG Electronics focuses on commercializing environmentally responsible automotive components and core solutions based on LG’s proprietary technologies.
Validation Engineer I - CONTRACTOR LGValidation Engineer I - CONTRACTORAliso Viejo, CaliforniaKey responsibilities include verifying and evaluating issues, logging software defects in a tracking database, reviewing test data, creating test cases based on specifications, and generating summary reports. Our salary ranges take into account many factors in making compensation decisions including but not limited to skillset, experience, licensure, certifications, internal equity, and other business needs.
1700 - Network Engineer III Sigma Defense1700 - Network Engineer IIISan Diego, CA$120,000–$130,000 / yearAdditional familiarity with provisioning and operation of any of the following links and terminals are helpful, but not required: Wideband links Starlink/Starshield, Wideband Global SATCOM (WGS), Network Tactical Common Data Link (NTCDL) and CBSP Satellite Services Contract (CSSC); and Narrowband links Mobile User Objective System (MUOS -both DMR and ARC-210) and Ultra-High Frequency (UHF) Line of Site. SOLUTE, a Sigma Defense Company is seeking a self-directed and highly motivated individual to join our team as a Network Engineer to support testing of communications between Surrogate MQ-25 Air Vehicle and Ground Control Station.
Fleet Support Engineer (Gas Turbine Engines) Chromalloy Gas Turbine LLCFleet Support Engineer (Gas Turbine Engines)San Diego, CAThis role is central to Chromalloys Continued Operational Safety (COS) and customer technical support initiative and requires a skilled engineering professional capable of leading field investigations, analyzing component conditions, and delivering actionable technical findings to stakeholders at all levels of the organization. You will collaborate across engineering, quality, operations, supply chain, and commercial teams to diagnose problems, drive corrective actions, and ensure customer satisfaction.
Maintenance Engineer - R&D Engineering Test Lab nVent Electric Inc.Maintenance Engineer - R&D Engineering Test LabSan Diego, CA$76,000–$141,100 / yearWe provide a broad benefits package with meaningful programs for eligible full-time employees that includes: Medical, dental, and vision plans along with flexible spending accounts, short-term and long-term disability benefits, critical illness, accident insurance and life insurance. We are seeking a Maintenance Engineer to own and evolve the infrastructure that supports R&D testing, spanning existing lab equipment and new large‑scale thermal and high-density liquid cooling (HDLC) test infrastructure.
Cybersecurity Engineer II SaalexCybersecurity Engineer IISan Diego, CA$95,000–$160,000 / yearSaalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Founded in 1999 by Travis Mack, Saalex Solutions is a Service Disabled Veteran-Owned and Operated business with prime and subcontract expertise serving the Navy, Army, Air Force, NASA, corporate clients, and local governments.
Navy Field Engineer/Technical Support Specialist Bart & AssociatesNavy Field Engineer/Technical Support SpecialistSan Diego, CAWork Role 411 - Technical Support Specialist and supports shipboard assessments, fleet technical assistance, engineering investigations, modernization efforts, and lifecycle sustainment activities aboard U.S. Navy vessels and shore facilities. B&A is seeking a highly motivated Navy Field Engineer / Technical Support Specialist to support NAVSEA and NSWC Philadelphia Division (NSWCPD) programs as part of an In-Service Engineering Agent (ISEA) team.
Lead R&D Software Engineer nVent Electric Inc.Lead R&D Software EngineerSan Diego, CAWe offer a comprehensive range of systems protection and electrical connections solutions across industry-leading brands that are recognized globally for quality, reliability and innovation. Define and monitor quality KPIs including: Defect detection efficiency, Automation execution coverage, Protocol timing/throughput metrics, Framework reliability and maintainability.
Systems Engineer III SaalexSystems Engineer IIISan Diego, CA$110,000–$180,000 / yearSaalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Founded in 1999 by Travis Mack, Saalex Solutions is a Service Disabled Veteran-Owned and Operated business with prime and subcontract expertise serving the Navy, Army, Air Force, NASA, corporate clients, and local governments.
Field Service Engineer II SaalexField Service Engineer IISan Diego, CA$75,000–$135,000 / yearSaalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Founded in 1999 by Travis Mack, Saalex Solutions is a Service Disabled Veteran-Owned and Operated business with prime and subcontract expertise serving the Navy, Army, Air Force, NASA, corporate clients, and local governments.
Quality Engineer II - Weekend Shift nVent Electric Inc.Quality Engineer II - Weekend ShiftSan Diego, CA$62,900–$116,900 / yearWe provide a broad benefits package with meaningful programs for eligible full-time employees that includes: Medical, dental, and vision plans along with flexible spending accounts, short-term and long-term disability benefits, critical illness, accident insurance and life insurance. We offer a comprehensive range of systems protection and electrical connections solutions across industry-leading brands that are recognized globally for quality, reliability and innovation.
Quality Engineer II - 2Nd Shift nVent Electric Inc.Quality Engineer II - 2Nd ShiftSan Diego, CA$62,900–$116,900 / yearWe provide a broad benefits package with meaningful programs for eligible full-time employees that includes: Medical, dental, and vision plans along with flexible spending accounts, short-term and long-term disability benefits, critical illness, accident insurance and life insurance. We offer a comprehensive range of systems protection and electrical connections solutions across industry-leading brands that are recognized globally for quality, reliability and innovation.
1697 - Senior Network Systems Engineer Sigma Defense1697 - Senior Network Systems EngineerSan Diego, CA$130,000–$165,000 / yearExperience with supporting E-2D Advanced Hawkeye, Airborne Networking GIG Interface (ANGI), or similar experience with DOW airborne platforms, communications systems, networking environments, or mission systems. 8+ years of experience supporting systems engineering activities for DOW or mission-critical systems, including complex airborne platform-based systems.
Field Application Engineer - Data Center Solutions nVent Electric Inc.Field Application Engineer - Data Center SolutionsSan Diego, CAActively support Data Solution regional sales and as required global sales with technical expertise in winning customized and engineered projects for Data Solution - Cooling Solutions (RDC, Inrow, Inrack, and DLC) cabinet and iPDU. We offer a comprehensive range of systems protection and electrical connections solutions across industry-leading brands that are recognized globally for quality, reliability and innovation.
Senior R&D Mechanical Engineer nVent Electric Inc.Senior R&D Mechanical EngineerSan Diego, CAWe offer a comprehensive range of systems protection and electrical connections solutions across industry-leading brands that are recognized globally for quality, reliability and innovation. Our robust portfolio of leading electrical product brands dates back more than 100 years and includes nVent CADDY, ERICO, HOFFMAN, ILSCO, SCHROFF and TRACHTE.
Senior Mechanical Engineer - Analysis Leonardo DRS IncSenior Mechanical Engineer - AnalysisSan Diego, CA$107,089–$159,027 / yearBS in Mechanical Engineering or equivalent technical discipline and a minimum of 5 years of experience; Master's degree or PhD in Mechanical Engineering, Aerospace Engineering, Applied Mechanics, or a closely related field may be considered in lieu of some required years of industry experience, provided the candidate demonstrates applicable simulation and analysis depth and the ability to generate review-ready engineering artifacts. This role supports Daylight' way-of-working by making analysis a normal step in engineering execution and corrective action, especially when testing shows unexpected failures, systems must survive harsh environments, schedules are tight, and reliability must be demonstrated before hardware exists.
Senior Mechanical Engineer - Design Leonardo DRS IncSenior Mechanical Engineer - DesignSan Diego, CA$107,089–$159,027 / yearDRS Daylight Solutions business provides industry-changing mid-infrared laser light technology for government and commercial markets, including: defense and security; life sciences; and industrial process control. Several factors can influence the pay scale, including but not limited to: Federal contract labor categories and contract wage rates, collective bargaining agreements, geographic location, business considerations, scope, and responsibilities of the position, local or other applicable market conditions, and internal equity.
Senior Manufacturing Engineer TalentrySenior Manufacturing EngineerVista, CaliforniaA prominent supplement brand specializing in high-quality welness products is seeking a dedicated and process-oriented Senior Manufacturing Engineer to enhance and refine its production operations, focusing on softgel compounding and encapsulation. This role is pivotal in supporting daily production activities, troubleshooting issues, boosting production capacity, spearheading lean manufacturing efforts, and developing work instructions to ensure operational excellence.
Automation Engineer TalentryAutomation EngineerVista, CaliforniaThis role focuses on leading automation initiatives for production and packaging systems, driving continuous improvements, and ensuring operational efficiency through hands-on technical expertise. Minimum of 7 years of hands-on experience in manufacturing automation, ideally within regulated industries such as pharmaceuticals, nutraceuticals, or food production.
Senior Aerodynamics Engineer Approach VentureSenior Aerodynamics EngineerSan Diego, California$150,000–$180,000 / yearWorking closely with structures, propulsion, flight sciences, systems, and test engineering teams, you'll leverage computational analysis, wind tunnel testing, and performance modeling to guide major design decisions from early concept development through flight test validation. By combining innovative aircraft design with advanced engineering tools, the team is creating a new class of aircraft that challenges conventional aerospace design while remaining practical to manufacture, certify, and operate.
Network Operations Engineer nVent Electric Inc.Network Operations EngineerSan Diego, CAIn addition to these core responsibilities, Wireless Engineers may also be involved in: Developing custom wireless applications, conducting site surveys and RF analysis, working with various wireless technologies like Bluetooth, Zigbee, and other emerging technologies and managing and mentoring other team members. Global Support, Troubleshooting and Maintenance: Diagnosing and resolving network issues, performing routine maintenance and firmware upgrades, and ensuring network stability and performance of nVent's 120+ locations globally.
Network Engineer Frontier Technology Inc.Network EngineerSan Diego, California$91,000–$130,000 / yearFull timeIn this role, you will provide network engineering support to NIWC Pacific Code 55111 to fulfill PMA-268 Unmanned Carrier Aviation (UCA) requirements, focused on developing features and capabilities for the tactical wideband IP networking solution for communication between the air vehicle and the ground station. This includes developing configurations for Cisco-based routers and switches, TACLANE Type-1 encryptors, and Linux-based firewalls, participating in design reviews and peer reviews, and verifying designs in both informal and formal qualification test events.
Railway Engineer - Remote Teoresi GroupRailway Engineer - RemoteSan Diego, CARemoteIntegration of onboard and wayside subsystems, including signaling components, sensors, communication interfaces, and control units, into system-level testing environments (e.g., HIL/SIL). At Teoresi, we specialize in supporting companies in creating projects using cutting-edge technologies such as self-driving cars and nanotechnology for the medical field.
Sr Wastewater Process Engineer Black & Veatch Holding CoSr Wastewater Process EngineerSan Marcos, CA$136,810–$225,980 / yearTypical office environment, typical construction environment, extreme weather conditions, high noise level, safety hazards (electric currents, working on scaffolding and high places, exposure to chemicals), atmospheric conditions (fumes, odors, dusts, mists, gases, poor ventilation). Use processes such as physical/chemical primary treatment, conventional activated sludge, biological nutrient removal, fixed-film processes, membrane bio-reactors (MBR), sidestream treatment, tertiary filtration, and disinfection.