NewFinancial Data Analyst Calibre SystemsFinancial Data AnalystAlexandria, VACALIBRE is an employee-owned mission-focused solutions and digital transformation company, is seeking a Financial Data Analyst, who will support all missions of the National Guard Bureau (NGB) Comptroller. · Three to six years of experience supporting comptroller functions within the senior defense organizations in the Pentagon (Services, Reserve Components, Joint Staff, NGB, OSW).
Instructor/Facilitator - Data Scientist Calibre SystemsInstructor/Facilitator - Data ScientistFt. Belvoir, VACALIBRE is seeking an experienced Instructor/Facilitator – Data Analytics to support training and education efforts at the Army Force Management School (AFMS) at Fort Belvoir, VA. This role will serve as a subject matter expert responsible for delivering instruction on data analytics tools, methodologies, and their application within Army force management.
Lead Data Scientist Calibre SystemsLead Data ScientistAlexandria, VACALIBRE Systems inc, an employee-owned mission focused solutions and digital transformation company, is looking to hire a Lead Data Scientist to provide senior-level technical and management leadership in support of a federal civilian government agency. · Interface with senior government leaders, contracting representatives, program managers, technical teams, and other stakeholders to communicate progress, resolve issues, negotiate priorities, and support informed decision-making.
NewData Center Operations & Security Lead (TS/SCI w/ Poly) JobotData Center Operations & Security Lead (TS/SCI w/ Poly)Washington, DC$190,000–$235,000 / yearA mission-focused engineering organization supporting classified U.S. Government programs is seeking an experienced Data Center Operations & Security Lead to oversee secure infrastructure environments within a high-availability facility. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
NewData Management Analyst DCS CorporationData Management AnalystFort Belvoir, VAThis position supports a fast-paced program office with the collection, evaluation, analysis, reconciliation, validation, management, and identification of electronic data and records for a health-related program. DCS is seeking a Data Management Analyst to support an Army project management office at Fort Belvoir, Virginia.
NewData Scientist & AI/ML SME PlanIT GroupData Scientist & AI/ML SMEReston, VAo Technical Implementation: Write and update code, build custom scripts, integrate AI models into existing infrastructure like Splunk, Databricks, ServiceNow, and Microsoft Power Tools to automate manual risk assessment and reporting processes and improve efficiency and accuracy. Experience with Microsoft Power Tools, GRC tools, Databricks, Splunk, SharePoint, ServiceNow ticket generation, Okta automation, cloud platforms (AWS, GCP, Azure), AI/ML libraries, database administration, and low-code/no-code tools.
Data Hub Developer NuAxis InnovationsData Hub DeveloperWashington DC, DCBuilds and maintains the program Data Hub event-streaming platform — the Apache Kafka / NATS.io based pipeline that ingests H-2A case events, enriches and denormalizes them, and persists data into business and analytics systems. • Implement event gateways, pub/sub flows, enrichment, and stream connectors that persist event data into business systems.
Senior Data Scientist II – Health Care Analytics - Chicago, DC or Remote NORC at the University of ChicagoSenior Data Scientist II – Health Care Analytics - Chicago, DC or RemoteWashington, D.C.Remote$160,000–$190,000 / yearThe Senior Data Scientist II (SDS II) plays a strategic, hands-on role in delivering high-quality analytics for complex health care initiatives by leading large-scale data efforts, providing technical leadership to multidisciplinary teams, establishing resources and best practices for health care data work across NORC, and taking leadership on relevant business development initiatives. Lead projects and manage major project workstreams including but not limited to advanced analytic work supporting the implementation, evaluation, and monitoring of CMS Innovation Center (CMMI) models, including alternative payment models and delivery system reforms.
NewData Catalog Implementation Specialist CredenceData Catalog Implementation SpecialistMcLean, VA$140,000–$160,000Credence has an immediate need for Data Catalog Implementation Specialist who will lead the design, implementation, and integration of an enterprise-grade Data Catalog solution as a core component of the organization's data governance strategy. Proven experience implementing enterprise data catalog solutions (e.g., Palantir’s Ontology, DLAs MetaVault, Collibra, Alation, Informatica EDC, Cloudera Data Catalog, or similar).
NewCommissioning Project Engineer (Data Centers) JobotCommissioning Project Engineer (Data Centers)Fairfax, VA$90,000–$160,000 / yearMust be self-motivated and well versed in Data Center projects touching on large building MEP systems design, commissioning, retro-commissioning, energy modeling/analysis and construction for complex buildings. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Senior Data Analyst Capgemini Government Solutions LLCSenior Data AnalystWashington, DCThe disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.
Technical Consultant - Enterprise Data Engineer EsriTechnical Consultant - Enterprise Data EngineerVienna, VA$84,240–$142,480 / yearYou will work both independently and as part of project teams to configure back-end geospatial database management capabilities that support customer workflows utilizing ArcGIS web, desktop, and mobile applications. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
System Engineer - Enterprise Data Engineer EsriSystem Engineer - Enterprise Data EngineerVienna, VA$120,640–$197,600 / yearYou will work both independently and as part of project teams to configure back-end geospatial database management capabilities that support customer workflows utilizing ArcGIS web, desktop, and mobile applications. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
NewMechanical Commissioning Engineer / Project Manager (Data Centers) JobotMechanical Commissioning Engineer / Project Manager (Data Centers)Sterling, VARemote$135,000–$165,000 / yearThe successful candidate must be self-motivated and well versed in Data Center projects touching on large building MEP systems design, commissioning, retro-commissioning, energy modeling/analysis and construction for complex buildings. If you are a Commissioning Project Manager with Data Center experience please apply or email directly at https://jobot.com/apply/mechanical-commissioning-engineer-project-manager-data-centers/1224725190?utm_source=Monster.
Program Area Director, NORC Health Data Lab NORC at the University of ChicagoProgram Area Director, NORC Health Data LabWashington, D.C.$180,000–$205,000 / yearWhile housed in the Health Care Evaluation research department, the Director will play a role in projects involving use of health care administrative data across the organization, collaborating closely with departments responsible for program implementation and with statisticians and methodologists from NORC’s Research Science division. With world-class benefits, a business casual environment, and an emphasis on continuous learning, NORC is a place where people join for the stellar research and analysis work for which we’re known, and stay for the relationships they form with their colleagues who take pride in the impact their work is making on a global scale.
Wargame Data Analyst MANTECHWargame Data AnalystQuantico, VACollaborate with multi-functional teams consisting of military, government civilians, and contractors, including wargame Designers, Developers, ORSAs, and M&S developers and lead/coordinate a team of recorders and data collectors utilizing structured data collection methodologies and digital templates. Conduct background research and literature reviews in support of wargame design and post-game assessment and develop requirements for and collaborate with the Modeling & Simulation (M&S) and Operations Research Systems Analysts (ORSA) team regarding the application of analytical methods, models, and tools in support of wargame data collection, instrumentation, and analysis.
NewSenior GEOINT Data Scientist MANTECHSenior GEOINT Data ScientistSpringfield, VADemonstrated experience of advanced programming techniques, using one or more of the following: HTML 5/Javascript, ArcObjects, Python, Model Builder, Oracle, SQL, GIScience, Geospatial Analysis, Statistics, ArcGIS Desktop, ArcGIS Server, Arc SDE, ArcIMS. Data Visualization Experience which may include Matrix Analytics, Network Analytics, Graphing Data that assist the analytical workforce in generating common operational pictures depicting fused intelligence and information to support informal assessments and finished products.
NewDevOps Engineer Zachary Piper SolutionsDevOps EngineerFairfax, VA$115,000–$155,000 / yearFull timeZachary Piper Solutions is seeking a DevOps Engineer to support a technology and engineering firm that develops specialized solutions for complex data collection, analysis, and mission-critical communications in highly demanding environments. This is a direct placement opportunity supporting internal R&D efforts within a well-established engineering focused environment offering long term stability and growth.
Federal Financial Management System Savantage SolutionsFederal Financial Management SystemWashington, DC$135,000–$165,000 / yearYou will operate at the intersection of federal financial accounting and modern low-code/AI tooling, independently building reports and queries, validating financial data, and supporting agency stakeholders without routing every request through senior technical staff. This is a growth-track role built for an early-career accounting professional ready to move beyond traditional financial operations into AI-assisted research, self-service data analysis, and citizen development.
Data Storage Engineer LeidosData Storage EngineerPoolesville, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Extensive experience administering enterprise-level data storage systems (Dell Storage Center, Dell Compellent, and Data Domain preferred) with a demonstrated understanding of the following services and technologies.
Modeling, Simulation, and Analysis Technical Lead Johns Hopkins Applied Physics Laboratory (APL)Modeling, Simulation, and Analysis Technical LeadLaurel, MD$100,000–$245,000We believe in building strong, productive teams, continually growing our capabilities, cultivating collaborative relationships and encouraging a work environment that embraces integrity, trust, confidence, teamwork, accountability, and a little bit of fun! We are seeking a dynamic, creative, and ambitious leader to help us deliver highly impactful analysis on advanced weapon systems while continuously improving our ability to provide outstanding, unbiased analysis products.
NewReimbursement Specialist JobotReimbursement SpecialistColumbia, MD$18–$20 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our teams work closely across departments to solve problems, improve workflows, and deliver consistent results in a fast-paced environment.
NewSenior Data Scientist (TS/SCI cleared) Johns Hopkins Applied Physics Laboratory (APL)Senior Data Scientist (TS/SCI cleared)Laurel, MD$105,000–$290,000The Threat Analytic Systems (QAI) Group is seeking talented team members who will help provide our nation with ground-breaking capabilities that bridge the gaps between data, the latest developments in technology, and real-world impact of national importance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Revenue Manager Town of ViennaRevenue ManagerVienna, VA$96,511–$155,383 / yearReads journals, manuals and professional publications; speaks informally to groups of co-workers, staff in other organizational agencies, general public, people in other organizations and presents training; composes original reports, training and other written materials, using proper language, punctuation, grammar and style. Uses mathematics involving the practical application of fractions, percentages, ratios and proportions; or measurements, logarithmic, or geometric construction; may use algebraic solutions of equations and inequalities; descriptive statistics; deductive geometry, plane and solid, and rectangular coordinates; mathematical and classifications or schemes.
RF Design & Test Engineer TeleWorld SolutionsRF Design & Test EngineerReston, VATeleWorld Solutions is seeking a Senior RF Design & Field Testing Engineer to support RF design, prediction modeling, field testing, post-processing, and technical research activities for commercial wireless networks, with a primary focus on 5G NR and FCC Part 15/unlicensed wireless technologies. This role is responsible for developing RF designs, executing field validation and coexistence testing, analyzing RF performance data, and supporting site integration, deployment, and troubleshooting efforts.
NewORSA Instructor/Facilitator Calibre SystemsORSA Instructor/FacilitatorFt. Belvoir, VAThe selected candidate will play a critical role in developing Army leaders and analysts by strengthening their analytical, decision-making, and problem-solving capabilities in a complex, multi-domain operational environment. This role will serve as a subject matter expert responsible for delivering graduate-level instruction on Operations Research (ORSA) methodologies and the Army Planning, Programming, Budgeting, and Execution (PPBE) process.
Data Scientist (Federal) C3 AIData Scientist (Federal)Tysons, VAYou will work directly with data scientists, software engineers, and subject matter experts to define new analytics capabilities able to provide our federal customers with the information they need to make proper decisions and enable their digital transformation. • Lead the research, design, implementation, and deployment of Machine Learning algorithms, intelligent agents, or optimization solutions for enterprise applications leveraging the C3 AI Suite.
NewStaff Accountant JobotStaff AccountantReston, VA$65,000–$85,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The ideal candidate will be responsible for handling account reconciliations, financial reporting, resolving discrepancies, preparing journal entries, managing the general ledger, and more.
NewMechanical Estimator (HVAC/Piping/Plumbing Projects) JobotMechanical Estimator (HVAC/Piping/Plumbing Projects)Glenarden, MD$90,000–$120,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The successful candidate will be responsible for preparing detailed cost estimates, analyzing blueprints and other documentation to prepare time, cost, materials, and labor estimates.
Staff Accountant Kforce Inc.Staff AccountantWashington, DC$47–$55This role will partner closely with accounting leadership and contribute across a broad range of general accounting functions, with a strong focus on grant-funded financial activity and compliance requirements. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs.
Inpatient Registered Nurse - RN - Dialysis Fresenius Medical CareInpatient Registered Nurse - RN - DialysisLanham, MD$39–$55 / hourPerforms ongoing, systematic collection and analysis of patient data pre – during – post treatment for assigned patients and documents in the patient medical record, makes adjustments or modifications to treatment plan as indicated and notifies Supervisor, Physician, patient’s primary nurse and others as indicated. Serves as a resource, leader, coach, mentor and role model for new and incumbent employees by setting examples of appropriate behavior, work habits and attitudes towards patients, co-workers, Supervisors and the company at the facility and area level.
Integration and Test Engineer NGB-12.24 CredenceIntegration and Test Engineer NGB-12.24Joint Base Andrews, MDThis includes reviewing weapon system contractor-provided integration program deliverables to assist the Government in their review of documentation and assisting in the development of organic data for the following systems engineering milestones: System Requirements Review (SRR), System Design Review, Preliminary Design Review, Critical Design Review, Test Readiness Review, and engineering design audits such as Functional Configuration Audit (FCA) and Physical Configuration Audit (PCA) respective to the needs of each modification program. Program coordination tasks shall include but not be limited to: coordinating all requirements between aircraft modification programs to include ground test requirements, flight test requirements, test assets, and any other potential resources; briefing and/or preparing briefings on modification program test status to the NGB as requested; assisting in identifying and developing test core documentation for modification programs, and; execution oversight for associated program test documents.
NewManagement Analyst Sparks GroupManagement AnalystAlexandria, VAThe ideal candidate will play a key role in developing and maintaining performance management systems, creating executive dashboards, and tracking strategic initiatives across multiple focus areas. Job Summary/Company : Sparks Group has partnered with a local government organization to identify an experienced Management Analyst to support strategic initiatives, performance management, and organizational effectiveness.
Outpatient Registered Nurse - RN - Dialysis Fresenius Medical CareOutpatient Registered Nurse - RN - DialysisSilver Spring, MD$35–$59 / hourPerforms ongoing, systematic collection and analysis of patient data pre – during – post hemodialysis treatment for assigned patients and documents in the patient medical record, makes adjustments or modifications to treatment plan as indicated and notifies Team Leader, Charge Nurse, Supervisor or Physician as needed. Serves as a resource, leader, coach, mentor and role model for new and incumbent employees by setting examples of appropriate behavior, work habits and attitudes towards patients, co-workers, supervisors and the company at the facility, and area level.
Outpatient Registered Nurse Fresenius Medical CareOutpatient Registered NurseHyattsville, MD$35–$59 / hourPerforms ongoing, systematic collection and analysis of patient data pre – during – post hemodialysis treatment for assigned patients and documents in the patient medical record, makes adjustments or modifications to treatment plan as indicated and notifies Team Leader, Charge Nurse, Supervisor or Physician as needed. Serves as a resource, leader, coach, mentor and role model for new and incumbent employees by setting examples of appropriate behavior, work habits and attitudes towards patients, co-workers, supervisors and the company at the facility, and area level.
Senior Clinical Solutions Specialist Medline IndustriesSenior Clinical Solutions SpecialistAlexandria, VA$92,000–$138,000 / yearFull timeMedline Industries, LP, and its subsidiaries, offer a competitive total rewards package, continuing education & training, and tremendous potential with a growing worldwide organization. Provide end-user insight to clinical process enhancement and improvement opportunities in order to secure or enhance current business for area of specialty Job Description .
Outpatient Registered Nurse - RN Fresenius Medical CareOutpatient Registered Nurse - RNClinton, MD$33–$56 / hourPerforms ongoing, systematic collection and analysis of patient data pre – during – post hemodialysis treatment for assigned patients and documents in the patient medical record, makes adjustments or modifications to treatment plan as indicated and notifies Team Leader, Charge Nurse, Supervisor or Physician as needed. SUPERVISION: Assigned oversight of Patient Care Technicians/LPNs/LVNs/RNs as a Team Leader or designated Nurse in Charge, after meeting all the following: · Successful completion of all FKC education and training requirements for new employees.
Outpatient Registered Nurse- RN Fresenius Medical CareOutpatient Registered Nurse- RNLaplata, MD$38–$50 / hourPerforms ongoing, systematic collection and analysis of patient data pre – during – post hemodialysis treatment for assigned patients and documents in the patient medical record, makes adjustments or modifications to treatment plan as indicated and notifies Team Leader, Charge Nurse, Supervisor or Physician as needed. SUPERVISION: Assigned oversight of Patient Care Technicians/LPNs/LVNs/RNs as a Team Leader or designated Nurse in Charge, after meeting all the following: · Successful completion of all FKC education and training requirements for new employees.
NewSenior Power BI Developer DCS CorporationSenior Power BI DeveloperAlexandria, VAYou will partner with business users to gather requirements, define and design report outputs and deliver items to Production workspaces following the tenant architecture strategy and monitoring for sustainable adoption and growth. Expert knowledge of SQL, DAX and experience working with large datasets, RLS, calculation groups, and data pipelines.
NewManagement Intern WadiTek LLCManagement InternMcLean, VA$0–$200 / monthInternThe intern will participate in team meetings, contribute to small projects related to workforce planning or employer branding, and assist with documentation and basic data analysis as needed. The intern will support daily talent acquisition activities, including assisting with candidate sourcing, scheduling interviews, and maintaining accurate records in applicant tracking tools.
NewRegional Sr Integrated Marketing Specialist Lennar CorporationRegional Sr Integrated Marketing SpecialistColumbia, MD$67,400–$84,300 / yearThis role will serve as the strategic link between division presidents, regional marketing leaders, sales executives, corporate digital marketing functions and local division field teams, ensuring divisional sales goals are met with alignment across digital advertising, content, events, field marketing, and partner initiatives. Lennar 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.
NewResearch Associate JouléResearch AssociateRockville, MD$28–$43 / hourStrong computer skills, including proficiency with basic data analysis programs (Microsoft Office, GraphPad Prism, Pristima, etc.) and programming and data analysis (R Studio, Linux, etc.). System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewIT Project/Program Manager PlanIT GroupIT Project/Program ManagerReston, VAProvide team with data analysis digital collaboration, experience, O365 upgrades 160K machines that needed to be upgraded prior to user migration to Office 365, and review and analysis of user information to schedule weekly migrations. Consult with management and customers regarding product feasibility and viability of network infrastructure plans and designs and includes emerging technology and product supportability into design and implementation.
NewTravel Nurse RN - $35 to $40 per hour in Rockville, MD TravelNurseSourceTravel Nurse RN - $35 to $40 per hour in Rockville, MDRockville, MD$35–$40Branch staff work cooperatively with funded extramural investigators, clinical coordinators, CROs and other study personnel to support the development of study protocols, informed consent forms and other pertinent documents and continue to do so during the conduct of these studies. Contribute to all study related IRB and regulatory matters, including all reporting requirements (including deviations, unanticipated problems, adverse events) and report issues and variance promptly to the research team.
Manager, Revenue Accounting - Remote MotiveManager, Revenue Accounting - RemoteWashington DC, DCRemote$94,000–$143,000 / yearMotive serves more than 120,000 customers – from Fortune 500 enterprises to small businesses – across a wide range of industries, including transportation and logistics, construction, energy, field service, manufacturing, agriculture, food and beverage, retail, and the public sector. Conduct technical accounting research in collaboration with the Revenue Accounting Senior Manager, ensure appropriate solutions are implemented with process documentation, and as needed document conclusions in accounting policy format.
NewAssociate, People Analytics HITT ContractingAssociate, People AnalyticsFalls Church, VA$67,000–$87,000 / yearEvery day, our team members do amazing things in pursuit of our shared purpose to build trust with our clients, partners, subcontractors, and teammates. The role reports to the Manager, Performance Management within the Human Resources department and will partner closely with our HRIS, HR Business Partner, and Enterprise Business Solutions teams.
Long Range Networked Fires Engineer Johns Hopkins Applied Physics Laboratory (APL)Long Range Networked Fires EngineerLaurel, MD$100,000–$245,000As a member of our team, you will provide thought leadership and conduct rigorous analysis and engineering to rapidly develop and demonstrate technologies and integrated systems concepts and solutions that can enable effective joint, integrated, theatre level defense across all operational warfighting domains (land, sea, air, space). Have experience and background in some or all of the following: systems architecture, requirements, interface, and algorithm prototyping and performance analysis, active and passive sensors, target tracking and sensor fusion algorithms and design concepts, command and control concepts, distributed communications systems, advanced kill chain analysis, integrated fire control concepts.
Research Associate I - Public Health Research - DC Hybrid Office NORC at the University of ChicagoResearch Associate I - Public Health Research - DC Hybrid OfficeWashington, D.C.Our team includes prominent health policy experts, nationally recognized public health researchers with general and specialized expertise in areas such as rural health and tribal issues, health communications, skilled methodologists, and leaders in the field of survey design and implementation. With world-class benefits, a business casual environment, and an emphasis on continuous learning, NORC is a place where people join for the stellar research and analysis work for which we’re known, and stay for the relationships they form with their colleagues who take pride in the impact their work is making on a global scale.
Research Scientist - Aging and Disability Economics, Evaluation, and Public Health Surveillance NORC at the University of ChicagoResearch Scientist - Aging and Disability Economics, Evaluation, and Public Health SurveillanceWashington, D.C.$106,000–$130,000 / yearWorking knowledge of nationally representative longitudinal cohort studies relevant to aging, such as the Health and Retirement Study (HRS), the National Health and Aging Trends Study (NHATS), or the National Social Life, Health, and Aging Project (NSHAP), including their wave structure, imputation conventions, and Medicare linkages. Our team includes prominent health policy experts, nationally recognized public health researchers with general and specialized expertise in areas such as rural health and tribal issues, health communications, skilled methodologists, and leaders in the field of survey design and implementation.