NewGIS & Data Specialist 1 Montgomery & AssociatesGIS & Data Specialist 1Tucson, AZThis position will provide general, entry-level technical support to hydrologic projects, as well as assist with GIS data production and project deliverables including data compilation, data management and editing, data analysis, quality assurance, and cartographic services, which will be a priority. We're looking for a self-motivated professional capable of implementing existing cartographic styles, data management schemas, and workflows, as well as developing new solutions independently as needed to meet project needs.
NewIEP Coordinator Ombudsman Educational ServicesIEP CoordinatorTucson, AZ$60,000Serving as a key compliance and instructional support leader, the IEP Coordinator partners closely with SPED Case Managers, teachers, school leaders, families, care providers, and district personnel to strengthen IEP quality, support audit readiness, and promote consistent implementation of special education policies and procedures. Ombudsman Educational Services , a growing, dynamic organization with a social mission to offer hope, is seeking an IEP Coordinator to join our award-winning Alternative Education team and perform meaningful work in a culture that welcomes innovation, encourages creative expression and offers limitless potential for personal and professional satisfaction!
NewSenior Semiconductor Test Engineer Leonardo Electronics US IncSenior Semiconductor Test EngineerCortaro, AZJob Purpose: The Senior Semiconductor Test Engineer leads the development, optimization, and long-term sustainment of advanced test processes for semiconductor devices, with a strong emphasis on high power laser diode technologies. This role drives technical strategy, mentors junior engineers, and ensures robust, scalable test solutions that support both high volume manufacturing and new product introduction.
Area Sales Manager Lennar HomesArea Sales ManagerTucson, AZFull timeLennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career. May require the ability to work more than eight hours per day in the confined quarters of a construction trailer, the ability to operate a motor vehicle, read plans, climb stairs and ladders, bend, stoop, reach, lift, move and/or carry equipment which may be in excess of 50 pounds.
Bioinformatics Research Data Support Specialist (Part Time) University of ArizonaBioinformatics Research Data Support Specialist (Part Time)Tucson, AZResearch Data Organization and Reporting: Organize and manage research datasets, generate data summaries and visualizations, and assist in preparing analytical outputs that support research reports and publications. Genomic Data Processing and Analysis: Process and analyze genomic datasets using established bioinformatics tools and computational workflows to support research projects investigating zoonotic pathogens.
NewData Analyst Intern Opus GroupData Analyst InternTucson, AZAs an intern, you will work closely with the analytics team to help collect, analyze, and interpret data to drive business decisions. Collaborate with cross-functional teams to understand data needs and deliver actionable insights.
Data Conversion Lead MaximusData Conversion LeadTucson, AZFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. If you require assistance at any stage of the employment process-including accessing job postings, completing assessments, or participating in interviews,-please contact People Operations at applicantaccom@maximus.com.
Donor Data Specialist Association of Zoos and AquariumsDonor Data SpecialistTucson, AZ$42,457–$47,174 / yearComputer Skills To perform this job successfully, an individual should be proficient with Microsoft Office Suite (Word, Excel, PowerPoint, Outlook); donor management software (Blackbaud Raiser''s Edge NXT is a plus); charity auction software, email marketing software (Constant Contact preferred), Internet-based donor research, e-communications, and social media. In charge of recurring donation program, tribute tracking program, matching gifts, quarterly address, email, phone, and deceased updates in NXT database, tracking and maintaining all appeal and fund numbers, monitoring accounts with third-party donation sites, and filing.
Research Data Support Specialist II, Lunar and Planetary Laboratory (Temporary) (Part-Time) University of ArizonaResearch Data Support Specialist II, Lunar and Planetary Laboratory (Temporary) (Part-Time)Tucson, AZKnowledge, Skills, and Abilities (KSAs): Python proficiency: Demonstrated proficiency in using Python for scientific computing, astrophysical data analysis, and the development of reproducible, research-grade workflows for large astronomical datasets (e.g., time-series or survey data). Communication skills: Ability to clearly communicate technical and scientific information both verbally and in writing, including the documentation of analysis methods and results, and collaboration within multidisciplinary research teams supporting space- and mission-based science.
Director - Data Engineering MaximusDirector - Data EngineeringTucson, AZFull timetechobs #veteranspage #TrendingJobs #HotJobs0317LI #HotJobs0317FB #HotJobs0317X #HotJobs0317TH #HotJobs0324LI #HotJobs0324FB #HotJobs0324X #HotJobs0324TH #HotJobs0331LI #HotJobs0331FB #HotJobs0331X #HotJobs0331TH #HotJobs0407LI #HotJobs0407FB #HotJobs0407X #HotJobs0407TH #TrendingJobs. Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment.
Principle, Data and Analytics Architect University of ArizonaPrinciple, Data and Analytics ArchitectTucson, AZEnsure delivery of the highest-quality Trellis data to the campus community by implementing robust data management processes across technology platforms, including MDM, Trellis, and UAIR data warehouse/data platform. Lead the development and execution of strategy, methodologies, and outputs for product user-based analytics to improve product function, as well as product analytics to support institutional, organizational, and user-based program and product understanding.
Skillbridge - Data Transformation Manager RTX CorpSkillbridge - Data Transformation ManagerTucson, AZRaytheon's Logistics Transformation Data Manager is responsible for leading a high-performing team that develops and deploys advanced data and reporting solutions to drive efficiency, cost savings, and strategic decision-making within the Logistics organization. Raytheon is a provider of SkillBridge Fellowship opportunities for transitioning service members to gain an in-depth understanding of the aerospace and defense business from some of the most respected leaders and engineers in the industry.
Project Data Analyst- Tucson, AZ KOMAN Construction, LLCProject Data Analyst- Tucson, AZTucson, AZThis role is responsible for tracking customer contracts, change orders, and monies, ensuring that changes are made in Govt software, in addition to maintaining, tracking, analyzing project schedules, progress measurement, cost estimates and variances. • Track work orders, uploads photos, invoices, task receipts, daily reports, Gov’t inspection reports, and signed WARs in ILSS.
Data Architect MaximusData ArchitectTucson, AZRemoteFull timeOversee architecture changes for all data ingestion solutions and provide technical advice on complex data mappings and transformations, including production support guidance, researching, and responding to security vulnerability findings, and working with multiple vendors and teams to leverage existing architecture components. - Facilitate the creation of architectures that consider how the current system interacts with other internal and external systems and environments and ensure that the new system behaves and performs correctly, including: prioritizing backlog projects and coordinating with system and network administration personnel on maintenance, upgrades, changes, and performance needs.
NewPrincipal Data Scientist - Factory Intelligence RTX CorpPrincipal Data Scientist - Factory IntelligenceTucson, AZWorking across Engineering, Operations, and Quality, you will lead the development and deployment of predictive analytics solutions that improve yield, reduce variation, and drive smarter decision-making at scale. At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems.
Skillbridge - Data Transformation Manager RTXSkillbridge - Data Transformation ManagerTucson, ArizonaRaytheon’s Logistics Transformation Data Manager is responsible for leading a high-performing team that develops and deploys advanced data and reporting solutions to drive efficiency, cost savings, and strategic decision-making within the Logistics organization. Raytheon is a provider of SkillBridge Fellowship opportunities for transitioning service members to gain an in-depth understanding of the aerospace and defense business from some of the most respected leaders and engineers in the industry.
CI&I Data Exfiltration Investigator - Tucson, AZ RTX CorpCI&I Data Exfiltration Investigator - Tucson, AZTucson, AZOperate independently providing expert-level data exfil investigative capabilities that include, but not limited to: Independently plan and conduct Data Exfiltration investigations that result in sound outcomes/determinations, capable of withstanding judicial/administrative scrutiny into noncompliance with Customer regulatory requirements, Company policies and procedures, and violations of the law. While your primary focus will be within the data exfiltration arena, you must also possess and demonstrate extensive knowledge of CI principles, have an expert level understanding of potential InT indicators and behaviors, with the ability to rapidly triage and assess multitude of cyber-related behaviors with the objective of distinguishing between actual threats and false positives.
IT Facilities Senior Analyst, Data Center Operations, Tucson, AZ, Onsite RTX CorpIT Facilities Senior Analyst, Data Center Operations, Tucson, AZ, OnsiteTucson, AZAs part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems.
Project Data Analyst- Tucson, AZ Koman Holdings LLCProject Data Analyst- Tucson, AZTucson, AZThis role is responsible for tracking customer contracts, change orders, and monies, ensuring that changes are made in Govt software, in addition to maintaining, tracking, analyzing project schedules, progress measurement, cost estimates and variances. Track work orders, uploads photos, invoices, task receipts, daily reports, Govt inspection reports, and signed WARs in ILSS.
Project Data Analyst- Tucson, AZ Koman Construction LLCProject Data Analyst- Tucson, AZTucson, AZThis role is responsible for tracking customer contracts, change orders, and monies, ensuring that changes are made in Govt software, in addition to maintaining, tracking, analyzing project schedules, progress measurement, cost estimates and variances. Track work orders, uploads photos, invoices, task receipts, daily reports, Govt inspection reports, and signed WARs in ILSS.
RF Data Link Engineer II RTX CorpRF Data Link Engineer IITucson, AZTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience. • Master's degree in electrical engineering or computer engineering with a focus in digital communications, communications systems design, data link hardware development, waveform algorithm development, and digital signal processing.
Senior RF Data Link Engineer RTX CorpSenior RF Data Link EngineerTucson, AZMasters degree in electrical or computer engineering with a focus in digital communications, communications systems design, data link hardware development, waveform algorithm development, and digital signal processing. Develop, prototype, and test data link models and communication signal processing algorithms in detailed high-fidelity simulations and support hardware implementation.
NewTest Data Imaging Support RTX CorpTest Data Imaging SupportTucson, AZEnvironmental testing includes mechanical shock, electrodynamic vibration, salt fog, climatic environments such as temperature, altitude, and humidity, high temperature quartz lamp testing, structural testing, test fixture design, and custom instrumentation installations and data acquisition and imaging support. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
Principal RF Data Link Engineer RTX CorpPrincipal RF Data Link EngineerTucson, AZMaster's degree in electrical engineering or computer engineering with a focus on digital communications, communications systems design, data link hardware, development, waveform algorithm development, or digital signal processing. Develop, prototype, and test data link models and communication signal processing algorithms in detailed high-fidelity simulations and support hardware implementation.
Director, Enterprise Data Architecture CliniSys IncDirector, Enterprise Data ArchitectureTucson, AZ$150,000–$180,000 / yearAs a global provider of intelligent diagnostic informatics solutions, we build AI-enabled, cloud-based platforms to enhance diagnostic workflows across healthcare, life sciences, and public health. You will partner with Product, Engineering, AI, Cyber Security, and business functions to deliver integrated, end-to-end data capabilities that improve data quality, accessibility, and decision-making outcomes.
2026 Modeling Simulation & Analysis Engineer II - Onsite RTX2026 Modeling Simulation & Analysis Engineer II - OnsiteTucson, ArizonaWhat You will Do : You will execute and analyze simulations in a high-performance computing environment, which can include the use of Graphics Processing Units (GPUs), to support missile system design/trade studies, performance assessment, and system test. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.
NewHybrid Contract Data Analyst - SAP & FAR PrattwhitneyHybrid Contract Data Analyst - SAP & FARTucson, AZThe role is based in Tucson, AZ, and offers a competitive salary along with a robust benefits package, including parental leave, flexible schedules, and educational assistance.#J-18808-Ljbffr. Prattwhitney is seeking a candidate for a hybrid role focused on analyzing contracts and preparing financial structures.
Director of Financial Planning & Analysis [FP&A] World View Enterprises IncDirector of Financial Planning & Analysis [FP&A]Tucson, AZ$170,000–$200,000 / yearPreferred: experience leading multi-entity FP&A in high-growth, technology, manufacturing, aerospace, or government contracting environments; deep contractor financial planning experience, including indirect rate forecasting, allowable/unallowable cost discipline, and familiarity with FAR; and a strong working knowledge of cost-type, T&M, and fixed-price contract economics, including project- and program-level P&L management and EAC processes. This role partners closely with leaders across Products & Programs, Business Development, Program Support, and Corporate functions to translate strategy into measurable financial plans, deliver timely insights on results and drivers, and strengthen financial discipline as the company scales.
NewSystems Engineer II - Modeling Simulation & Analysis Engineer PrattwhitneySystems Engineer II - Modeling Simulation & Analysis EngineerTucson, AZ$68,900–$131,100 / yearProvide technical expertise for simulation products of a specific program and assist Senior Modeling Engineers in preparation of detailed plans; interact with government counterparts as authority on simulation products. Date Posted: 2026-04-14 • Location: Tucson, AZ • Role Type: OnsiteU.S. citizenship required; interim Secret U.S. government‑issued security clearance required prior to start.
Facilities Master Data Specialist TandymFacilities Master Data SpecialistTucson, Arizona$30–$34 / hourA property management firm in Tucson, Arizona, is seeking a new Facilities Master Data Specialist to manage technical asset data and oversee critical spare parts inventory. Performing regular cycle counts and physical audits of spare parts inventory.
Data Center Technician - Future Opportunities TensorWaveData Center Technician - Future OpportunitiesTucson, ArizonaWe've built a versatile cloud platform that eliminates infrastructure barriers, empowering builders to focus on innovation instead of fighting their stack. 2+ years of experience in data center operations, with direct experience in hardware installation, maintenance, and troubleshooting.
2026 Modeling Simulation & Analysis Engineer II - Onsite RTX Corp2026 Modeling Simulation & Analysis Engineer II - OnsiteTucson, AZWhat You will Do: You will execute and analyze simulations in a high-performance computing environment, which can include the use of Graphics Processing Units (GPUs), to support missile system design/trade studies, performance assessment, and system test. You will work within a team to develop analysis of the data for the specific task as well as provide insight and understanding of the system performance, recognizing and troubleshooting any anomalies observed in the simulation results.
Principal RF Data Link Engineer RTXPrincipal RF Data Link EngineerTucson, ArizonaMaster’s degree in electrical engineering or computer engineering with a focus on digital communications, communications systems design, data link hardware, development, waveform algorithm development, or digital signal processing. Develop, prototype, and test data link models and communication signal processing algorithms in detailed high-fidelity simulations and support hardware implementation.
Senior RF Data Link Engineer RTXSenior RF Data Link EngineerTucson, ArizonaDevelop, prototype, and test data link models and communication signal processing algorithms in detailed high-fidelity simulations and support hardware implementation. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
RF Data Link Engineer II RTXRF Data Link Engineer IITucson, ArizonaMaster’s degree in electrical engineering or computer engineering with a focus in digital communications, communications systems design, data link hardware development, waveform algorithm development, and digital signal processing. Develop, prototype, and test data link models and communication signal processing algorithms in detailed high-fidelity simulations and support hardware implementation.
Lead Analyst - Business Analysis MaximusLead Analyst - Business AnalysisTucson, AZFull timeConduct statistical analyses and evaluates a wide variety of information to assess operational difficulties and develop solutions to complex problems, including escalated issues Independently develop and implement modeling and evaluation processes to determine the effectiveness of current operational activities. Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment.
Sr. Systems Engineer - Modeling Simulation & Analysis Engineer RTXSr. Systems Engineer - Modeling Simulation & Analysis EngineerTucson, ArizonaAbility to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. Systems Engineer - Modeling Simulation & Analysis Engineer , you will participate in challenging multi-disciplinary work across integrated product teams consisting of Guidance, Navigation & Control (GNC), Signal Processing and missile-and-sensor-level Performance Simulations.
Systems Engineer II - Modeling Simulation & Analysis Engineer RTXSystems Engineer II - Modeling Simulation & Analysis EngineerTucson, ArizonaAbility to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. As a Systems Engineer II - Modeling Simulation & Analysis Engineer , you will participate in challenging multi-disciplinary work across integrated product teams consisting of Guidance, Navigation & Control (GNC), Signal Processing and missile-and-sensor-level Performance Simulations.
Data Center Manager - Future Opportunities TensorWave IncData Center Manager - Future OpportunitiesTucson, AZPerformance Tracking: Conduct regular 1:1s, performance reviews, and skill-gap assessments to ensure the team stays ahead of evolving technologies (e.g., liquid cooling, AI-optimized racking). Workflow Optimization: Oversee the Inventory/RMA Specialist to ensure hardware replacement cycles are lean and that "dead on arrival" (DOA) equipment is processed with minimal downtime.
NewSenior Scientist II/Principal (EO/IR Image Analysis) Rocket Lab CorporationSenior Scientist II/Principal (EO/IR Image Analysis)Tucson, AZTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Data Center Technician - Future Opportunities TensorWave IncData Center Technician - Future OpportunitiesTucson, AZOur Data Center Operations team plays a critical role in achieving our mission of resilient AI infrastructure at scale by setting up new equipment used by our amazing customer base to deploy the most advanced workloads on the planet. We're all about offering real opportunities for growth, letting you dive into complex problems and make a meaningful impact through creative solutions.
Systems Engineer II - Modeling Simulation & Analysis Engineer RTX CorpSystems Engineer II - Modeling Simulation & Analysis EngineerTucson, AZAs a Systems Engineer II - Modeling Simulation & Analysis Engineer, you will participate in challenging multi-disciplinary work across integrated product teams consisting of Guidance, Navigation & Control (GNC), Signal Processing and missile-and-sensor-level Performance Simulations. Our Performance Simulation teams provide, develop, and maintain high fidelity performance simulations, evaluate system performance, support new business initiatives and develop & execute technology roadmaps.
Sr. Systems Engineer - Modeling Simulation & Analysis Engineer RTX CorpSr. Systems Engineer - Modeling Simulation & Analysis EngineerTucson, AZSystems Engineer - Modeling Simulation & Analysis Engineer, you will participate in challenging multi-disciplinary work across integrated product teams consisting of Guidance, Navigation & Control (GNC), Signal Processing and missile-and-sensor-level Performance Simulations. Our Performance Simulation teams provide, develop, and maintain high fidelity performance simulations, evaluate system performance, support new business initiatives and develop & execute technology roadmaps.
Field and Laboratory Technician - Soil Scientist/Hydrogeologist (Geosystems Analysis) Westland ResourcesField and Laboratory Technician - Soil Scientist/Hydrogeologist (Geosystems Analysis)Tucson, AZ$45,000–$55,000 / yearGeoSystems Analysis, Inc., a Trinity Consultants team, specializes in soil, water, and ecological sciences and has an exciting opportunity for an enthusiastic Field and Laboratory Technician - Soil Scientist/Hydrogeologistto join our dynamic team. Responsibilities include measuring soil parameters, conducting hydraulic conductivity tests, installing and maintaining monitoring instruments, and assisting with soil and water sampling.
NewSenior RF Data Link Engineer - Flexible Hours + Relocation PrattwhitneySenior RF Data Link Engineer - Flexible Hours + RelocationTucson, AZPrattwhitney is seeking experienced Electrical Engineers in Tucson, Arizona, for a role focused on advanced data link technologies for missile programs. Candidates should have a minimum of five years of experience, a relevant bachelor's degree, and proficiency in MATLAB and C/C++.
Field and Laboratory Technician - Soil Scientist/Hydrogeologist (Geosystems Analysis) Westland Resources IncField and Laboratory Technician - Soil Scientist/Hydrogeologist (Geosystems Analysis)Tucson, AZ$45,000–$55,000 / yearGeoSystems Analysis, Inc., a Trinity Consultants team, specializes in soil, water, and ecological sciences and has an exciting opportunity for an enthusiastic Field and Laboratory Technician - Soil Scientist/Hydrogeologist to join our dynamic team. Responsibilities include measuring soil parameters, conducting hydraulic conductivity tests, installing and maintaining monitoring instruments, and assisting with soil and water sampling.
Principal Data Manager, Engineering Services RTX CorpPrincipal Data Manager, Engineering ServicesTucson, AZIn addition, DMs are responsible for reviewing sub-tier contractor requirements, building data tracks for supplier submissions, receiving data from various suppliers, and routing for approval and/or incorporation into prime contractor deliverables to the customer as well as securing non-deliverable program work products to be configuration controlled in the PDM system and other related tasking. The DM identifies, with help from the Program Office, the appropriate preparers, receives the data within PDM, reviews the data for compliance, solicits and secures appropriate programmatic approval and delivers the information to the customer on time, throughout the lifecycle of the contract.
Principal Analyst, Data Management RTX CorpPrincipal Analyst, Data ManagementTucson, AZIn addition, DMs are responsible for reviewing sub-tier contractor requirements, building data tracks for supplier submissions, receiving data from various suppliers, and routing for approval and/or incorporation into prime contractor deliverables to the customer as well as securing non-deliverable program work products to be configuration controlled in the PDM system and other related tasking. The DM identifies, with help from the Program Office, the appropriate preparers, receives the data within PDM, reviews the data for compliance, solicits and secures appropriate programmatic approval and delivers the information to the customer on time, throughout the lifecycle of the contract.
NewSenior Scientist II/Principal EO/IR Image Analysis Rocket Lab CorpSenior Scientist II/Principal EO/IR Image AnalysisTucson, AZImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
NewSimulation & Analysis Engineer II - GPU HPC for Defense PrattwhitneySimulation & Analysis Engineer II - GPU HPC for DefenseTucson, AZPrattwhitney is seeking an engineer to develop the next generation of defense technologies and weapons systems in Tucson, AZ. Ideal candidates will have experience in object-oriented programming and a strong knowledge of physics and modeling.