Senior Project Manager (Mechanical or Electrical Engineer) SSR CareerSenior Project Manager (Mechanical or Electrical Engineer)Greenwood Village, ColoradoAs a Senior Project Manager, you will lead highâscope, highâcomplexity projects or multiple programs at once—serving as the primary client contact, trusted advisor, and integrator of people, product, and profit. Recruiters or staffing agencies: SSR is not obligated to compensate any external recruiter or search firm who presents a candidate, their resume, or profile to an SSR employee without 1) a current, fully executed agreement on file and 2) being assigned to the open position via HR.
Senior Project Engineer BNBuilders IncSenior Project EngineerDenver, CO$85,000–$105,000 / yearConsistently recognized as a best workplace, and for our commitment to safety, sustainability, and community partnerships, BNBuilders hires the very best in the construction industry and strives to create an environment that encourages innovation, responsibility, and client satisfaction. Capable of traversing over construction-type terrain when under development; moving through the construction site and the materials in place for use on the site; climbing ladders and temporary stairways; conducting visual inspections of quality of construction and materials being used in construction.
Senior Project Engineer I CesiumAstroSenior Project Engineer IWestminster, CO$133,908–$160,991 / yearPlease Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. The Senior Project Engineer is empowered to challenge assumptions, escalate risks, and ensure clarity in decision-making, but does not serve as the primary technical owner for test methods, data, or design quality.
Senior Electrical Engineer Swanson Rink, Inc.Senior Electrical EngineerDenver, CO$140,000–$160,000 / yearOur Impact: Swanson Rink provides endowed scholarships to support engineering students, invests hundreds of hours a year in employee training and development, and we encourage our team to Cultivate Curiosity through a monthly presentation series led by team members on the latest issues and trends facing our clients. Founded in 1949, Swanson Rink specializes in designing mechanical, electrical, fire protection, plumbing and technology infrastructure for data centers, airports and other complex buildings.
Electrical Engineer - Energy Storage Sterling Engineering, Inc.Electrical Engineer - Energy StorageDenver, CO$108,700–$146,700 / yearThis opportunity is with a leading engineering and construction organization supporting utility-scale renewable energy, substations, and energy storage projects across the United States. Salary: Engineer III: $108,700–$146,700 | Engineer IV: $122,500–$183,800 (Higher salary ranges available in select markets.).
Senior Process Engineer Aspen Technical Staffing, IncSenior Process EngineerEnglewood, COIn this role, you will provide high-level process engineering expertise across oil refining, pipeline, gas processing, and/or chemical industry projects. This is an excellent opportunity for a seasoned engineer who thrives in a collaborative, multi-disciplinary environment and is passionate about delivering high-quality engineering solutions.
Senior Instrumentation & Control (I&C) Engineer Aspen Technical Staffing, IncSenior Instrumentation & Control (I&C) EngineerEnglewood, COAs a Senior I&C Engineer, you will lead technical execution across instrumentation and controls project scopes, ensuring high-quality deliverables, efficient project performance, and adherence to safety, budget, and schedule requirements. In this role, you will provide advanced technical leadership and engineering expertise within the I&C discipline, supporting medium and large-scale energy and industrial projects.
Senior Airfield Electrical Engineer RS&H IncSenior Airfield Electrical EngineerDenver, CO$135,000–$175,000 / yearQualifications: • BS in Electrical Engineering from an ABET-accredited university • Minimum 10 years of electrical engineering design and consulting experience in the aviation industry • Experience working with AutoCAD and Microsoft Office • Registered PE license • Strong written and verbal communication skills • Some travel may be required. Joining Our Team: Joining our Aviation team means an opportunity to explore your potential and apply your diverse skills to serve the large and small airports of the aviation industry as a trusted advisor.
Senior Structural Engineer Aspen Technical Staffing, IncSenior Structural EngineerEnglewood, COThe Senior Structural Engineer will provide structural engineering services including analysis, design, and documentation for a variety of structural systems. This is a contract-to-hire opportunity supporting small to mid-sized capital projects across industrial sectors such as oil & gas, mining, and metals.
Civil Engineer GpacCivil EngineerDenver, CO100000–150000GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990. Our primary focus is working hard to ensure that projects are planned, designed & managed to meet not only high expectations, but to exceed their clients’ goals.
Electrical Engineer BRPHElectrical EngineerDenver, ColoradoBRPH is a technically focused, creative architecture, engineering, and construction company with over six decades of expertise in helping mission-driven clients in the aerospace, defense, manufacturing, commercial, education, entertainment, hospitality, and federal markets identify gaps in their program delivery and develop innovative solutions to their most challenging problems across the U.S. and around the world. Prepare load calculations, specify and layout electrical equipment, and perform power, lighting, lighting controls, grounding, lightning protection, communication, and fire alarm system design, and produce construction documents using REVIT.
Sr. Energy Storage Engineer SB Energy Global LLCSr. Energy Storage EngineerDenver, CO$100,000–$140,000 / yearIn 2026, SoftBank Group and OpenAI announced a $1 billion investment to support SB Energy as their leading development and execution partner for data center campuses, while Ares Infrastructure continues its long-standing support of the company''s growth. Energy Storage Engineer will provide subject matter expertise on Energy Storage design, optimization, final engineering, and construction permitting of utility-scale energy storage projects.
Senior Civil Engineer - Renewable Energy DLR GroupSenior Civil Engineer - Renewable EnergyDenver, CO$115,000–$150,000 / yearAs a Civil Engineer you will be responsible for working in a dynamic and multidisciplinary design team to produce civil engineering designs on a variety of projects for utility-scale ground-mounted solar + BESS, utility peaking plants, mission critical and data centers, microgrids, mixed-use, commercial, educational, sports, hospitality and municipal buildings of all sizes and complexities, along with other site development opportunities. Documentation will include site layouts, horizontal and vertical control, grading and drainage, storm sewer and stormwater management design, paving, site utilities and associated civil engineering design deliverables.
PE Electrical Engineer Tetra Tech IncPE Electrical EngineerArvada, CO$124,000–$155,000 / yearWith 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. Work Environment / Environmental Factors: Environmental factors mostly consist of work being conducted in an indoor office environment, but is not limited to extreme temperatures (e.g., cold, heat), fumes, variable weather conditions, outdoor work, and noise due to some travel & work on worksites.
Senior Structural Engineer DLR GroupSenior Structural EngineerDenver, CO$110,000–$144,000 / yearPosition Summary: As a Senior Structural Engineer, you will be responsible for leading design of structural systems for buildings across a variety of sectors including K-12, Higher Education, Justice & Civic, Cultural and Performing Arts, and Mixed Use. This role will work directly with the regional discipline leader to assist in developing work plans, project schedules, budgets, and proposals for both internal teams and external clients.
Senior Electrical Engineer - Mission Critical DLR GroupSenior Electrical Engineer - Mission CriticalDenver, CO$84,700–$144,430 / yearThe Electrical Engineer for Mission Critical Projects is responsible for the design, coordination, and implementation of electrical systems for high-performance, technically complex facilities such as data centers, laboratories, clean rooms, and critical infrastructure environments. This role involves collaborating closely with multi-disciplinary teams to develop innovative, efficient electrical building systems and preparing detailed electrical engineering drawings and calculations.
Senior Mechanical Controls Engineer - Mission Critical DLR GroupSenior Mechanical Controls Engineer - Mission CriticalDenver, CO$84,700–$144,430 / yearLead multiple projects and staff over multiple regions to assure local teams of engineers know the specific design criteria of projects and train engineering teams on design of control systems. As part of the engineering team at DLR Group you will be responsible for the design of control systems from schematics through construction administration for buildings across a variety of sectors including Higher Education, Culture & Performing Arts, Healthcare, K-12, Justice/Civic, Mission Critical, and Energy.
Senior Mechanical Engineer - Gas & Energy DLR GroupSenior Mechanical Engineer - Gas & EnergyDenver, CO$84,700–$118,800 / yearAs a Mechanical Engineer, you will be responsible for leading design of mechanical systems for energy and infrastructure projects - with an emphasis on gas piping for utility scale generators, combined heat and power (CHP) systems, and emerging technologies in energy production, from 5MW to 500+MW, serving developers, utilities, data centers, mission critical, federal, public and private clients. You will lead mechanical engineering design teams to produce high-quality construction documents using AutoCAD or Revit and manage project schedules to meet deliverable requirements.
National Discipline Quality Control Leader (Nqc) + Structural Engineer DLR GroupNational Discipline Quality Control Leader (Nqc) + Structural EngineerDenver, CO$84,700–$144,430 / yearIn addition, you will design and oversee structural systems from schematic design through construction administration for a diverse portfolio of building types, collaborating with multidisciplinary teams to deliver high-quality, innovative design solutions. As the National Quality Control Leader and Senior Structural Engineer, you will lead quality control initiatives and continuously advance QC processes and best practices across DLR Group's structural engineering practice.
NewCivil Engineer - Entry Level Tetra Tech IncCivil Engineer - Entry LevelEnglewood, CO$65,000–$80,000 / yearWork Environment / Environmental Factors: Environmental factors mostly consist of work being conducted in an indoor office environment, but is not limited to extreme temperatures (e.g., cold, heat), fumes, variable weather conditions, outdoor work, and noise due to some travel & work at operating client facilities and active construction sites. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.
Professional Civil Engineer TractProfessional Civil EngineerDenver, ColoradoItineraries typically include reviewing construction progress, meeting with state, county and city officials, meeting with utility service providers and project specific consulting teams. Collaborate with technical team in the design and development of projects, including site layout, grading, road design, stormwater management, wet and dry utility layouts and other related aspects.
Structural Engineer (Subject Matter Expert) Tetra Tech IncStructural Engineer (Subject Matter Expert)Denver, CO$145,000–$195,000 / yearWith 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. Please note that Tetra Tech considers various factors in determining pay, including but not limited to: education, relevant and demonstrated work experience in the role, skills, geographic location, qualifications, certifications, and other competencies relevant to the needs of the business.
National Discipline Quality Control Leader NQC + Structural Engineer DLR GroupNational Discipline Quality Control Leader NQC + Structural EngineerDenver, CO$84,700–$144,430 / yearIn addition, you will design and oversee structural systems from schematic design through construction administration for a diverse portfolio of building types, collaborating with multidisciplinary teams to deliver high-quality, innovative design solutions. As the National Quality Control Leader and Senior Structural Engineer, you will lead quality control initiatives and continuously advance QC processes and best practices across DLR Group''s structural engineering practice.
Senior Mechanical Engineer RS&H IncSenior Mechanical EngineerDenver, COIn this role, you''ll help deliver innovative mechanical systems for projects across aviation, commercial, healthcare, science, corporate, and federal markets while working alongside architects, engineers, and designers in a collaborative, multidisciplinary environment. This is an excellent opportunity for an experienced engineer who enjoys solving complex design challenges, mentoring others, and building lasting client relationships while contributing to projects that have a lasting impact on the communities we serve.
NewElectrical Engineer Swanson Rink, Inc.Electrical EngineerDenver, CO$80,000–$110,000 / yearOur Impact: Swanson Rink provides endowed scholarships to support engineering students, invests hundreds of hours a year in employee training and development, and we encourage our team to Cultivate Curiosity through a monthly presentation series led by team members on the latest issues and trends facing our clients. Your Job Responsibilities: Design electrical systems for data centers, aviation and commercial/industrial facilities including: Design power systems, including layout and circuiting of receptacles, miscellaneous equipment, mechanical equipment, and completion of panel schedules.
Senior Life Sciences Mechanical Engineer I Merrick & CompanySenior Life Sciences Mechanical Engineer IGreenwood Village, Colorado$125,000–$169,000 / yearFull timeThis position requires a competent mechanical engineer / designer who as a member of the mechanical design team will be responsible for all phases of mechanical design production for a variety of Life Sciences, Nuclear, and National Security projects ranging from programming through construction administration. WHAT YOU'LL DO: Participating as part of the mechanical design team and the multi-disciplinary project team, execute the detailed mechanical, plumbing/process and controls design of complex mechanical facilities including life science and nuclear facilities, inclusive of: Detailed engineering calculations.
Life Sciences Mechanical Engineer III Merrick & CompanyLife Sciences Mechanical Engineer IIIGreenwood Village, Colorado$108,000–$138,000 / yearFull timeThis position requires a competent mechanical engineer / designer who as a member of the mechanical design team will be responsible for all phases of mechanical design production for a variety of Life Sciences, Nuclear, and National Security projects ranging from programming through construction administration. WHAT YOU'LL DO: Participating as part of the mechanical design team and the multi-disciplinary project team, execute the detailed mechanical, plumbing/process and controls design of complex mechanical facilities including life science and nuclear facilities, inclusive of: Detailed engineering calculations.
Field Engineer - Aviation STV Group IncField Engineer - AviationDenver, CO$91,976.90–$105,116.46 / yearThe Field Engineer will work closely with project managers, contractors, airport stakeholders, and design teams to support airside and landside construction activities while ensuring quality, safety, schedule, and regulatory compliance. Support field execution of aviation and airport infrastructure projects including terminals, airfields, utilities, roadways, and support facilities.
Water/Wastewater Process Engineer III Merrick & CompanyWater/Wastewater Process Engineer IIIDenver, ColoradoRemoteFull timeWHAT YOU'LL DO: Design water and wastewater treatment facilities, including advanced treatment/nutrient removal and reuse, distribution and conveyance, and related infrastructure balance of plant. Minimum eight (8) years of experience in design, construction oversight, and operation of water and/or wastewater infrastructure facilities and projects.
NewStaff Industrial Site Development Engineer Charm IndustrialStaff Industrial Site Development Engineerfort lupton, CO$117,935–$176,902 / yearYou''ll work across nearly every engineering discipline, partnering with Process Development, Mechanical Engineering, Civil & Structural Engineering, Facilities, Construction, Operations, Procurement, EPC contractors, equipment vendors, and regulatory agencies to ensure every facility functions as one integrated system. Provide field engineering support during construction, commissioning, and startup, including site walkdowns, responding to RFIs, resolving design issues, and verifying installations meet engineering intent.
Geotechnical Engineer Tetra Tech IncGeotechnical EngineerLakewood, CO$80,000–$90,000 / yearOur project assignments allow engineers to work and travel within the spectacular Rocky Mountain region and across the United States on diverse client projects and in various industries, including public and private infrastructure, solar and wind/renewable energy, commercial development, environmental hazard sites, mining, and oil and gas. The Opportunity: Tetra Tech is currently seeking an experienced Geotechnical Engineer working from our Billings (preferred), Helena, and Missoula Montana offices, multiple Colorado office locations, or our Phoenix, AZ office.
Civil Engineer (Sewerage Pumping Station) MWH Global, IncCivil Engineer (Sewerage Pumping Station)Broomfield, COAssist the Resident Engineer in reviewing of shop drawings, design proposals, method statements and other activities including correspondence related to the utility section and prepare replies for the review of the Resident Engineer. Keep necessary records and as-built records and take charge of the handing over of the utility works to the respective service authorities and assist the contractor to obtain necessary final clearance.
Principal Project Engineer CesiumAstroPrincipal Project EngineerWestminster, CO$158,000–$189,000 / yearSuccessful candidates will require, as a minimum: A Bachelor of Science (BS) or Master of Science (MS) degree in a relevant engineering field (Electrical Engineering, Computer Engineering, Computer Science, Mechanical Engineering, Aerospace Engineering, Systems Engineering) from an accredited university or institution. Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.
Structural Facility Engineer III Merrick & CompanyStructural Facility Engineer IIIGreenwood Village, ColoradoFull timeMerrick is seeking an experienced S tructural Facility Engineer III to provide designs for Department of Defense and NASA governmental facilities for our High Performance Facilities structural engineering team in our Greenwood Village, CO office. WHAT YOU'LL DO: This position will be responsible for supporting all structural design requirements including the following duties: Independently evaluate and solve complex problems with limited guidance from more senior staff.
Senior Structural Engineer Salas O'Brien Engineers IncSenior Structural EngineerDenver, CO$115,000–$140,000 / yearWe specialize in the design of commercial buildings including schools, healthcare, police and fire stations, office buildings, worship spaces, industrial facilities, petrochemical control buildings, luxury resorts, and more. Founded in 1975, Salas O'Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world.
Senior Structural Facility Engineer Merrick & CompanySenior Structural Facility EngineerGreenwood Village, ColoradoFull timeMerrick is seeking an experienced Senior S tructural Facility Engineer to provide designs for Department of Defense and NASA governmental facilities for our High Performance Facilities structural engineering team in our Greenwood Village, CO office. WHAT YOU'LL DO: This position will be responsible for supporting all structural design requirements including the following duties: Independently evaluate and solve complex problems with limited guidance from more senior staff.
NewDirector Construction Project Manager (PL) The Charles Schwab CorpDirector Construction Project Manager (PL)Lone Tree, COThis Director will lead and develop project management professionals while partnering across Design, Telecommunications, Security, Real Estate, Property Management, business teams, vendors, and executive stakeholders. The Director, Construction Project Management will report to the Managing Director, CRE Project Management, and provide strategic leadership for complex Branch and Corporate construction and real estate programs.
Mobile Engineer Cbre ValuationMobile EngineerLongmont, COCBRE Global Workplace Solutions (GWS) propose des prestations multi techniques et multi services afin d'assurer une gestion efficace et pérenne des services généraux de nos clients. CBRE GWS France traite ainsi toutes les facettes de la gestion des installations, en utilisant un modèle intégré qui combine des services directs et des sous-traitants spécialisés.
Substation Engineer Michael Page InternationalSubstation EngineerCentennial, Colorado$110,000–$160,000 / yearFull timedegree from an ABET-accredited university5+ years of substation physical design experienceStrong verbal and written communication skillsAbility to work legally in the U.S. without restrictionProfessional Engineer (PE) license preferred, or ability to obtain within 6 monthsExperience managing design budgets and schedules is a plusExperience supporting marketing/proposal efforts is preferredWhat's on OfferCompetitive salary ranging from $110,000 to $160,000 USD.Comprehensive medical, dental, and vision (MDV) benefits package. Job SummarySector: Power & EnergySub Sector: Electrical Design EngineerIndustry: Energy & Natural ResourcesLocation: CentennialContract Type: PermanentConsultant name: Jackson EdwardsJob Reference: JN-072026-7060415Job Nature: Hybrid working
Project Engineer (Growth) SSR Mining IncProject Engineer (Growth)Denver, CO$120,000–$135,000 / yearReporting to the Study Director, the Project Engineer will coordinate and manage technical workstreams associated with mining, processing, infrastructure, and capital project studies from scoping through pre-feasibility and feasibility stages and prepare for execution. The Project Engineer will help develop study reports (such as PFS and FS reports), technical presentations, economic evaluations, and business cases required to advance projects through the Company's investment pipeline.
Intermediate Civil-Geotechnical Engineer BGC Engineering IncIntermediate Civil-Geotechnical EngineerGolden, CO$90,000–$110,000 / yearWe are proud of our talented team of over 800 employees, spanning the fields of Engineering, Geoscience, Software, Geomatics, Data Science, Accounting, Administration, Health & Safety and Human Resources. Alongside our clients and industry partners, BGC works collaboratively as One Team, dedicated to solving the worlds most critical applied earth science challenges.
Electrical Engineer III Merrick & CompanyElectrical Engineer IIIGreenwood Village, ColoradoFull timeWHAT YOU'LL DO: Design electrical systems for laboratory and facility projects (power distribution, lighting, emergency/UPS, fire alarm, telecommunications, and security systems). We are seeking an experienced Electrical Engineer to support laboratory and facility design projects within our Life Sciences business unit in Greenwood Village, CO.
Building Engineer HinesBuilding EngineerDenver, ColoradoAbility to travel between floors and buildings including frequent walking, climbing, bending, kneeling, lifting, stooping, and working/extending overhead indoors and outdoors with varying temperature ranges from 0 - 100+. Perform preventive maintenance and repairs on all mechanical, electrical, plumbing and HVAC systems including, but not limited to pumps, chillers, boilers, air compressors and air handling units.
Preconstruction Senior Engineer Holder Construction CoPreconstruction Senior EngineerDenver, CO$115,000–$120,000 / yearHolder Construction is a nationally recognized leader in the construction industry, consistently ranked among the top firms on ENR's Top 400 Contractors list. Oversee all purchasing required to support projects, including scope coordination, proposal evaluation, trade negotiations, and contracting.
Engineer Holder ConstructionEngineerDenver, Colorado$97,000–$110,000 / yearHolder Construction is a nationally recognized leader in the construction industry, consistently ranked among the top firms on ENR’s Top 400 Contractors list. Oversee all purchasing required to support projects, including scope coordination, proposal evaluation, trade negotiations, and contracting.
Project Civil Engineer - Land Development Farnsworth GroupProject Civil Engineer - Land DevelopmentGreenwood Village, Colorado$95,000–$125,000 / yearSalary Range: $95,000 - $125,000 (Salary to be determined by the education, experience, knowledge, skill of the applicant, as well as internal and external equity) Statement on Diversity and Inclusion:Farnsworth Group is a collection of employees with unique backgrounds and perspectives that all come together to make us a better Company. For ten consecutive years, we’ve been certified as a Great Place to Work®, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us.
Project Civil Engineer/Manager Farnsworth Group IncProject Civil Engineer/ManagerGreenwood Village, CO$95,000–$125,000 / yearFor ten consecutive years, we've been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us. Each year, our staff participate in a survey administered by the Great Place to Work organization, measuring perceptions of credibility, respect, pride, fairness, and camaraderie.
Senior Electrical I&C Engineer Merrick & CompanySenior Electrical I&C EngineerGreenwood Village, ColoradoFull timeThe NST team specializes in the design of prototype/one-off custom equipment, gloveboxes, hot cells, specialty research equipment and custom-designed, remotely-operated mechanisms for handling radioactive and hazardous materials. Work involves a variety of activities including conceptual and detailed design of low voltage and medium voltage power distribution, lighting, grounding, motor control systems, process equipment and instrumentation.
Kyriba TMS Treasury Transformation Manager Deloitte Touche Tohmatsu LtdKyriba TMS Treasury Transformation ManagerPhiladelphia, PA$130,800–$241,000 / yearLead and develop teams delivering treasury technology transformation services to Fortune 500 corporations, spanning treasury IT strategy, bank connectivity strategies (e.g., SWIFT, multibank reporting), vendor selections, organizational and process enhancements, and TMS implementations. Leveraging Deloittes unmatched resources and deep industry insights, youll deliver innovative, market-driven solutions that modernize finance functions, elevate performance, and drive meaningful organizational change.
Consulting Manager - SAP Treasury Deloitte Touche Tohmatsu LtdConsulting Manager - SAP TreasuryPhiladelphia, PA$130,800–$241,000 / yearJoin us to empower clients to become strategic business partners, manage risk, and unlock new levels of financial and operational excellence.\n \nRecruiting for this role ends on 6/1/26\n \nWork you'll do:\n \nAs an SAP Treasury Manager, you'll take a leadership role in guiding clients through treasury transformation initiatives, driving business value, and expanding Deloitte's market presence. \nInformation for applicants with a need for accommodation: https://www2.deloitte.com/us/en/pages/careers/articles/join-deloitte-assistance-for-disabled-applicants.html\n \nThe wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.