NucorNTP- South Environmental Engineer NucorNTP- South Environmental EngineerBirmingham, ALAdditional duties include taking a lead role in environmental compliance at multiple facilities, ISO 14001 management, project management, training, maintaining required emergency contingency plans, and community outreach programs. The Environmental Engineer will report to the EHS Supervisor and be a part of multiple teams within Nucor: NTP EHS Team and Nucor Product and Raw Material Environmental group.
JobotNewConstruction Estimator JobotConstruction EstimatorBirmingham, AL$90,000–$145,000 / yearJob description: As a Program Architect, you will work with project teams in a dynamic, rapid-growth work environment with bright and talented engineers, architects, designers, builders, crafters, and manufacturers to improve and deploy a prototype building program and to build an alternative to the traditional construction industry. This position involves analyzing project plans, specifications, and other documentation to create detailed cost assessments, manage bids, and collaborate closely with project managers, clients, and suppliers to ensure successful project execution.
Jefferson County CommissionSenior Civil Engineer Jefferson County CommissionSenior Civil EngineerBirmingham, AL$69,305–$107,515 / yearInteracts with parties (e.g., developers, contractors, engineers, surveyors, governmental agencies) taking part in the jurisdiction's permitting process by providing information about permit requirements, and assisting with reviews of permit applications and plans in order to ensure that permit applications and plans meet the jurisdiction's requirements. PMP (Project Management Professional)PTOE (Professional Traffic Operations Engineer)CCM (Certified Construction Manager)CSM (Certified Stormwater Manager)TYPICAL JOB DUTIES:Assists with the process to announce, collect, assess, and accept bids from contractors for public infrastructure projects.
Jefferson County CommissionCivil Engineer - Jefferson County Jefferson County CommissionCivil Engineer - Jefferson CountyJefferson County, AL$65,228–$101,192 / yearInteracts with parties (e.g., developers, contractors, engineers, surveyors, governmental agencies) taking part in the jurisdiction's permitting process by providing information about permit requirements, and assisting with reviews of permit applications and plans in order to ensure that permit applications and plans meet the jurisdiction's requirements. Must be within one semester of graduating with a Bachelor's degree or higher in Civil Engineering or a closely related engineering field (e.g., Structural, Environmental).PREFERRED QUALIFICATIONS:The following are job-related qualifications deemed desirable by Merit System agencies.
Jefferson County CommissionChief Civil Engineer- Jefferson County (Environmental Services) Jefferson County CommissionChief Civil Engineer- Jefferson County (Environmental Services)Jefferson County, AL$94,515–$146,640 / yearOversees and manages public infrastructure construction projects that were designed by engineering consultants/contractors by keeping up with project developments, communicating with appropriate people, and reviewing information to ensure that projects adhere to approved plans, contracts, or issued permits throughout all phases of construction. Professional Engineering experience, including experience as a lead project manager directly responsible for successful design or construction of complex public works infrastructure projects (e.g., roadways, bridges, sidewalks, drainage systems, water treatment, sewer).
SARCOR, LLCNewFuture Opening: Graduate Civil Engineer II SARCOR, LLCFuture Opening: Graduate Civil Engineer IIBirmingham, AL$46,000–$53,500 / yearTypical duties are likely to include the following: Coordination with all complimentary disciplines (roadway, drainage, structural, traffic, public involvement, and environmental), technical preparation and supervision of roadway and planning design tasks, performing plan quality reviews, participation in value engineering studies . The responsibilities of this position include, but are not limited to: Work within the Civil and Transportation groups on the design of civil engineering projects including roadways, highways, sidewalks, subdivision design, stormwater management, and other civil-type services .
WAGGONER ENGINEERING INCSite Civil Engineer WAGGONER ENGINEERING INCSite Civil EngineerBirmingham, ALWaggoner Engineering provides a fun, family-friendly, and multicultural work environment that supports a work life balance, including: WEI Incentive Program. This role supports our continued growth and offers the opportunity to work on (or support) meaningful projects alongside a collaborative, experienced team.
WAGGONER ENGINEERING INCCivil Engineer - Stormwater (PE) WAGGONER ENGINEERING INCCivil Engineer - Stormwater (PE)Birmingham, ALWaggoner Engineering provides a fun, family-friendly, and multicultural work environment that supports a work life balance, including: Base Salary: Competitive, commensurate with experience. Works closely with the Management Team and PMs and CAMs related to discipline area services for their projects and pursuits.
Gray IncCivil Engineer (PE Required) Gray IncCivil Engineer (PE Required)Birmingham, ALDeeply rooted in EAC services, Gray serves both domestic and international customers across our core markets: Food & Beverage, Manufacturing, Data Centers, Distribution, Life Sciences, and Advanced Technology. Compile and analyze site data including geographic location, topography, access, utilities, soil types, subsurface conditions, environmental status, drainage, zoning, and regulations to assess cost, constructability, and scheduling.
Trilon GroupSite Civil Engineer Trilon GroupSite Civil EngineerBirmingham, ALWaggoner Engineering provides a fun, family-friendly, and multicultural work environment that supports a work life balance, including: WEI Incentive Program. This role supports our continued growth and offers the opportunity to work on (or support) meaningful projects alongside a collaborative, experienced team.
Kimley-Horn and Associates IncCivil Engineer Land Development Kimley-Horn and Associates IncCivil Engineer Land DevelopmentBirmingham, ALLicense (or ability to obtain within 12 months) • Candidates should have experience with site civil design, permitting, and applicable software applications including hydrology modeling program, storm drainage programs, AutoCAD, and Civil 3D. In addition to strong technical experience, other responsibilities will include research, coordination, project management, staff management, cost estimating, permitting for land disturbance and preparation of bid packages as well as technical specifications.
Quanta Power Solutions, LLCCivil Engineer, Sr Quanta Power Solutions, LLCCivil Engineer, SrBirmingham, AlabamaAbout this Role: Quanta Power Solutions is seeking a driven and experienced Senior Civil Engineer to play a key role on large-scale EPC projects in the power sector, including gas turbines, renewable energy facilities, battery energy storage systems (BESS), substations, and transmission systems. Our integrated approach spans power generation, battery energy storage, renewables, transmission, substation, and underground infrastructure — from concept to commissioning, we execute complex power infrastructure projects with the speed, certainty, and operational excellence our customers depend on.
Quanta Power Solutions, LLCCivil Engineer - Power Generation Quanta Power Solutions, LLCCivil Engineer - Power GenerationBirmingham, AlabamaAbout this Role: Quanta Power Solutions is seeking a driven and experienced Civil Engineer to play a key role on large-scale EPC projects in the power sector, including gas turbines, renewable energy facilities, battery energy storage systems (BESS), substations, and transmission systems. Our integrated approach spans power generation, battery energy storage, renewables, transmission, substation, and underground infrastructure — from concept to commissioning, we execute complex power infrastructure projects with the speed, certainty, and operational excellence our customers depend on.
Basin Engineering & SurveyingSenior Civil Engineer Basin Engineering & SurveyingSenior Civil EngineerVestavia Hills, ALBasin Engineering & Surveying is a growing, multidisciplinary civil engineering and land surveying firm known for delivering thoughtful, high-quality solutions for public and private clients. As a senior engineer, you'll play a key role in developing staff, strengthening client relationships, and contributing to the strategic growth of the office while continuing to work on technically engaging projects.
Trilon GroupCivil Engineer - Stormwater (PE) Trilon GroupCivil Engineer - Stormwater (PE)Birmingham, ALWaggoner Engineering provides a fun, family-friendly, and multicultural work environment that supports a work life balance, including: Base Salary: Competitive, commensurate with experience. Works closely with the Management Team and PMs and CAMs related to discipline area services for their projects and pursuits.
Kimley-HornCivil Engineer - Land Development Kimley-HornCivil Engineer - Land DevelopmentBirmingham, AlabamaIn addition to strong technical experience, other responsibilities will include research, coordination, project management, staff management, cost estimating, permitting for land disturbance and preparation of bid packages as well as technical specifications. Candidates should have experience with site civil design, permitting, and applicable software applications including hydrology modeling program, storm drainage programs, AutoCAD, and Civil 3D.
Discovered SearchCivil Engineer Discovered SearchCivil EngineerBirmingham, ALThis team delivers civil site design, surveying, structural engineering, and drone-based mapping services across multiple states--offering engineers the chance to work on diverse, impactful projects. Modern tools & methods: From advanced modeling and drafting platforms to high-precision GPS, robotic surveying, and aerial mapping, you'll work with technology that elevates accuracy and efficiency.
Basin Engineering & SurveyingEntry-Level Civil Engineer Basin Engineering & SurveyingEntry-Level Civil EngineerVestavia Hills, ALYou'll be exposed to a wide range of work, including site development, infrastructure design, and public works projects, giving you the opportunity to discover what areas of civil engineering excite you most. Our team works across civil site design, public infrastructure, structural engineering, and surveying, delivering thoughtful, high-quality solutions for both public and private clients.
Kimley-Horn and Associates IncEntry Level Civil Engineer Transportation/Traffic Kimley-Horn and Associates IncEntry Level Civil Engineer Transportation/TrafficBirmingham, ALQualifications An ABET accredited engineering degree (Bachelors or Masters) by Summer 2026 in one of the following majors: • Civil and/or Environmental Engineering • Mechanical, Electrical, Biological, Biosystems, Chemical, or Agricultural Engineering • Engineering Technology. Perform traffic engineering and project management tasks to deliver a wide variety of transportation planning, transit, traffic engineering, safety, and intelligent transportation systems (ITS) projects for many, diverse clients.
BASIN Engineering & SurveyingNewEntry-Level Civil Engineer BASIN Engineering & SurveyingEntry-Level Civil EngineerBirmingham, ALYou'll be exposed to a wide range of work, including site development, infrastructure design, and public works projects, giving you the opportunity to discover what areas of civil engineering excite you most. Our team works across civil site design, public infrastructure, structural engineering, and surveying, delivering thoughtful, high-quality solutions for both public and private clients.
Discovered SearchEntry Level Civil Engineer Discovered SearchEntry Level Civil EngineerBirmingham, ALCutting-edge tools & fieldwork: The firm utilizes modern surveying technologies such as RTK GPS, robotic total stations, and drone-based mapping, giving you real-world field and office experience early in your career. Diverse technical exposure: You'll work on civil site design, public-works infrastructure, structural projects, and land surveying--giving you a broad platform to develop your engineering skill set.
LaBella Associates DPCJunior Civil Engineer LaBella Associates DPCJunior Civil EngineerBirmingham, ALThe projects are intricate and incorporate both civil and environmental engineering skills, including land development (grading and stormwater management); leachate collection, treatment, and management; renewable energy designs; and organic waste management. Duties: • Projects will include solid-waste related site development projects: developing master plans, design drawings, design of stormwater management and erosion control systems, technical specifications, and cost estimates.
Kimley-HornEntry Level Civil Engineer - Transportation/Traffic Kimley-HornEntry Level Civil Engineer - Transportation/TrafficBirmingham, AlabamaPerform traffic engineering and project management tasks to deliver a wide variety of transportation planning, transit, traffic engineering, safety, and intelligent transportation systems (ITS) projects for many, diverse clients. As a critical member of the team, you will perform a variety of engineering tasks and will receive both on-the-job and formal training as well as mentorship and exposure to plan production, project financials, and client interactions.
Johnson Service GroupLead Civil Engineer III (Power Generation / Turbine Projects) Johnson Service GroupLead Civil Engineer III (Power Generation / Turbine Projects)Birmingham, ALThis role works closely with EPC partners and end clients to deliver turbine and power infrastructure supporting data centers and grid reliability. Join a growing engineering team supporting large-scale gas turbine power projects, along with renewables and BESS.
Stantec IncCivil Engineer Stantec IncCivil EngineerBirmingham, ALWe are actively seeking a Civil Engineer with experience in water resource projects, stormwater infrastructure, community resiliency and/or related civil works projects to be a member of our multi-disciplinary team as well as a leader and mentor within our Alabama team. Assist in the management and implementation of small to large scale community resiliency, stormwater, water supply, wastewater, and civil engineering and design projects, of varying degrees of complexity, through all phases of a project.
LaBella AssociatesJunior Civil Engineer LaBella AssociatesJunior Civil EngineerBirmingham, ALThe projects are intricate and incorporate both civil and environmental engineering skills, including land development (grading and stormwater management); leachate collection, treatment, and management; renewable energy designs; and organic waste management. Projects will include solid-waste related site development projects: developing master plans, design drawings, design of stormwater management and erosion control systems, technical specifications, and cost estimates.
WaggonerSite Civil Engineer WaggonerSite Civil EngineerBirmingham, AlabamaThis role supports our continued growth and offers the opportunity to work on (or support) meaningful projects alongside a collaborative, experienced team. Waggoner Engineering provides a fun, family-friendly, and multicultural work environment that supports a work life balance, including:
Mott Macdonald-QatarAssistant Principal / Senior Civil Engineer (Treatment Plant) Mott Macdonald-QatarAssistant Principal / Senior Civil Engineer (Treatment Plant)Birmingham, ALYou will be involved in design and build projects, preparing outline and detailed civil engineering designs, technical and commercial specifications, drawings, and schedules, and working closely with our client and contractor partners. You will be responsible for the following: Responsible for Technical Delivery and Project Coordination for the team on complex water and wastewater treatment projects across multiple disciplines.
LaBella Associates DPCCivil Project Engineer - Waste & Recycling LaBella Associates DPCCivil Project Engineer - Waste & Recyclingbirmingham, ALThe projects are intricate and incorporate both civil and environmental engineering skills, including land development (grading and stormwater management); leachate collection, treatment, and management; renewable energy designs; and organic waste management. Projects will include solid-waste related site development projects: develop master plans, design drawings, design of stormwater management and erosion control systems, technical specifications, and cost estimates.
AtwellNewCivil Engineer - Land Development AtwellCivil Engineer - Land DevelopmentBirmingham, AlabamaThis may include hydrology/hydraulic studies, due diligence/site analysis reports, engineer's opinion of probable costs, project schedules, utility computations, detention/retention computations, storm sewer reports, local and state permit applications, stormwater reports, soils reports, earthwork volume calculations, StormCAD reports, WaterCAD reports, and preliminary grading. Data Analysis: Dive into project survey data to assess existing site conditions, considering various factors, including legal descriptions, ALTA surveys, easement documents, and condo documents.
Barge Design Solutions IncCivil Engineer (PE) - Mission Critical Data Centers Barge Design Solutions IncCivil Engineer (PE) - Mission Critical Data CentersHoover, ALResponsibilities: • Design complex campus underground utility grading and drainage infrastructure for Mission Critical data center clients, including the preparation of reports, specifications, plans, and permits. Barge Design Solutions is currently seeking to fill the positions of Civil Engineer primarily focused on large data center campus design.
WaggonerCivil Engineer - Stormwater (PE) WaggonerCivil Engineer - Stormwater (PE)Birmingham, AlabamaWorks closely with the Management Team and PMs and CAMs related to discipline area services for their projects and pursuits. Responsibilities/Essential FunctionsServes as Waggoner’s technical lead in executing the performance of the services included in this discipline area.
Jefferson County CommissionChief Civil Engineer - Jefferson County (Roads and Transportation) Jefferson County CommissionChief Civil Engineer - Jefferson County (Roads and Transportation)Jefferson County, AL$94,515–$146,640 / yearMINIMUM QUALIFICATIONS: The following are job-related qualifications that are required for employment consideration for this position: • Driver's license • Licensed Professional Engineer in the State of Alabama, OR, have the ability to obtain your PE License within Alabama through reciprocity within 6 months of being hired • Bachelor's degree, or higher, in Civil Engineering or other closely related Engineering field (e.g., Environmental, Mechanical, Structural) from an ABET accredited program • Professional Engineering experience, including experience as a lead project manager directly responsible for successful design or construction of complex public works infrastructure projects (e.g., roadways, bridges, sidewalks, drainage systems, water treatment, sewer). These qualifications may be considered when reviewing applications and inviting candidates to participate in subsequent steps in the selection processes: • Experience using computer aided design/drafting software (e.g., AutoCAD, Microstation) • Experience directly supervising subordinate engineers on the design and construction of public infrastructure projects from conception to completion • Master's degree, or higher, in Civil Engineering or other closely related Engineering field (e.g., Environmental, Mechanical, Structural) from an ABET accredited program.
Windermere Executive Search and RecruitmentCivil / Structural Engineer Windermere Executive Search and RecruitmentCivil / Structural EngineerBirmingham, ALWe are conducting a confidential search for a Civil / Structural Engineer to support heavy industrial engineering and capital projects based out of Birmingham, Alabama. Bachelor’s degree in Civil Engineering, Structural Engineering, or related field preferred.
Jacobs Solutions IncEntry Level Engineer (Construction/Civil Engineer in Water/Wastewater) Jacobs Solutions IncEntry Level Engineer (Construction/Civil Engineer in Water/Wastewater)Birmingham, ALConshohocken, Pennsylvania, United States | 39118 | Advanced Manufacturing | Drafting and Design | Multiple Locations. Denver, Colorado, United States | 39097 | Cities & Places | Drafting and Design | Multiple Locations.
Thomas & HuttonEntry Level Civil Design Engineer in Training Thomas & HuttonEntry Level Civil Design Engineer in TrainingBirmingham, AlabamaAs a private employee-owned firm consistently recognized as a Top Workplace and recipient of PSMJ's Build a Better World Award, we're known not only for exceptional projects but for how we treat people and our communities. At Thomas & Hutton, you’ll design real-world land-development projects, learn directly from seasoned mentors, and grow within a company celebrated as a Best Place to Work.
Actalent IncCivil/Structural Engineer I Actalent IncCivil/Structural Engineer IBirmingham, ALBecome familiar with preparing project construction documents such as: plan and profile drawings; design drawings; engineering, material, and construction specifications; project schedules and bills of material. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.
Southern CoStructural Engineer - Civil Design (Birmingham, AL) Southern CoStructural Engineer - Civil Design (Birmingham, AL)Birmingham, ALThe company has electric operating companies in three states, natural gas distribution companies in four states, a competitive generation company, a leading distributed energy solutions provider with national capabilities, a fiber optics network and telecommunications services. Southern Company invests in the well-being of its employees and their families through a comprehensive total rewards strategy that includes competitive base salary, annual incentive awards for eligible employees and health, welfare and retirement benefits designed to support physical, financial, and emotional/social well-being.
LaBella AssociatesCivil Project Engineer - Waste & Recycling LaBella AssociatesCivil Project Engineer - Waste & RecyclingBirmingham, AL$86,000–$101,000The projects are intricate and incorporate both civil and environmental engineering skills, including land development (grading and stormwater management); leachate collection, treatment, and management; renewable energy designs; and organic waste management. Projects will include solid-waste related site development projects: develop master plans, design drawings, design of stormwater management and erosion control systems, technical specifications, and cost estimates.
North Wind GroupSenior Civil Designer 03959 LBYD North Wind GroupSenior Civil Designer 03959 LBYDBIRMINGHAM, ALThe Senior Designer works in a collaborative team environment under the supervision of licensed engineers, producing construction documents for land development projects including but not limited to single and multi-family residential, educational, commercial and industrial sites. In 1978, with the merger of the structural engineering firm Lane & Hodnett Structural Engineers, the firm became Lane/Bishop/Hodnett, Inc. In 1987, the firm became LaneBishopYorkDelahay Inc., which is known today as LBYD Engineers.
Quanta Power Solutions, LLCNewCivil Structural Estimator Quanta Power Solutions, LLCCivil Structural EstimatorBirmingham, Alabama
Northwind GroupNewSenior Civil Designer LBYD Northwind GroupSenior Civil Designer LBYDBirmingham, ALThe Senior Designer works in a collaborative team environment under the supervision of licensed engineers, producing construction documents for land development projects including but not limited to single and multi-family residential, educational, commercial and industrial sites. In 1978, with the merger of the structural engineering firm Lane & Hodnett Structural Engineers, the firm became Lane/Bishop/Hodnett, Inc. In 1987, the firm became LaneBishopYorkDelahay Inc., which is known today as LBYD Engineers.
Impact RecruitmentCivil Designer Impact RecruitmentCivil DesignerBirmingham, ALIf you are a qualified individual and interested in applying for this position, apply via our website www.impactrecruitment.com, email us at info@impactrecruitment.com or call us at (805)-371-2666 for more information. Impact Recruitment also provides reasonable accommodations to disabled individuals to assist in the hiring process and to qualified individuals with disabilities in the performance of essential job functions, as required by federal, state, or local law.
Jacobs Solutions IncMid-Level Project Manager - Water/Wastewater (Civil/Biosystems/Environmental) Jacobs Solutions IncMid-Level Project Manager - Water/Wastewater (Civil/Biosystems/Environmental)Birmingham, AL$92,100–$120,900 / yearAt Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.
Quanta Power Solutions, LLCCivil Designer – Power Generation Quanta Power Solutions, LLCCivil Designer – Power GenerationBirmingham, AlabamaAbout this Role: Quanta Power Solutions is seeking a skilled Civil Designer to join our EPC team supporting power sector projects, including gas turbines, renewable energy facilities, battery energy storage systems (BESS), substations, and transmission systems. Our integrated approach spans power generation, battery energy storage, renewables, transmission, substation, and underground infrastructure — from concept to commissioning, we execute complex power infrastructure projects with the speed, certainty, and operational excellence our customers depend on.
Brasfield & Gorrie, LLCAssistant Project Manager - Heavy Civil / Industrial Brasfield & Gorrie, LLCAssistant Project Manager - Heavy Civil / IndustrialBirmingham, AlabamaManage complete submittal process, including the following: obtain submittals; review submittals for compliance with contract documents; upon approval, manage submittal and procurement with subcontractors/vendors; track submittals with procurement schedule; develop complete submittal log. Brasfield & Gorrie, a leading General Contractor in the Southeast, is searching for Assistant Project Managers (willing to travel and/or relocate) to join our growing heavy civil, infrastructure, & industrial project teams.
R. R. CassidyNewCivil Designer - Power Generation R. R. CassidyCivil Designer - Power GenerationBirmingham, ALQuanta Power Solutions is seeking a skilled Civil Designer to join our EPC team supporting power sector projects, including gas turbines, renewable energy facilities, battery energy storage systems (BESS), substations, and transmission systems. This role is responsible fordeveloping civil design deliverables and construction packages that are accurate, constructible, and fully integrated with other engineering disciplines.
AmpacityNewCivil Designer - Power Generation AmpacityCivil Designer - Power GenerationBirmingham, ALQuanta Power Solutions is seeking a skilled Civil Designer to join our EPC team supporting power sector projects, including gas turbines, renewable energy facilities, battery energy storage systems (BESS), substations, and transmission systems. This role is responsible fordeveloping civil design deliverables and construction packages that are accurate, constructible, and fully integrated with other engineering disciplines.
Brasfield & Gorrie LLCNew Graduate - Construction Assistant Project Manager 2026- Heavy Civil Brasfield & Gorrie LLCNew Graduate - Construction Assistant Project Manager 2026- Heavy CivilBirmingham, ALResponsibilities and Essential Duties include the following (other duties may be assigned): Develop project business plan Work with field management to generate job specific safety plan for the project Serve as the main point of contact for the Engineer and Architect Work with Pre-Construction and Field Supervision to identify and implement all contract deliverables, quality testing, and reporting requirements Create staging, logistics, and phasing plan for project Lead coordination of subcontractors Set up bonding and/or Subguard, change order log, and cost tracking for the project Set up project in E1 and Prolog software Responsible for project startup, including obtaining permits and licenses and managing jobsite mobilization Facilitate subcontractor pre-mobilization/startup meetings Issue and administer subcontracts (payments, insurance, bond, safety, haz-com, etc.) and purchase orders for multiple trades Assist in development, planning, and updating of overall project schedule. Responsibilities Brasfield & Gorrie has exciting opportunities in multiple locations for upcoming graduates interested in full-time employment in the construction industry as an Assistant Project Manager on our growing heavy civil project teams.
Johnson Service Group (IL)NewCivil Designer III - Power Generation (400 MW Simple Cycle / EPC) Johnson Service Group (IL)Civil Designer III - Power Generation (400 MW Simple Cycle / EPC)Birmingham, ALExperience: Minimum of 3 years of relevant industrial experience in civil drafting and design, preferably within EPC environments in Power generation (gas turbines, renewables, BESS), substations, and transmission infrastructure. This position may require some bending, lifting, climbing, prolonged sitting, prolonged walking, walking on gravel, or crawling when necessary.