NewPetroleum Engineer JobotPetroleum EngineerWoodward, OK$110,000–$150,000 / 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Geotechnical Engineer - Senior to Associate Levels JobotGeotechnical Engineer - Senior to Associate LevelsRancho Santa Margarita, CA$130,000–$200,000 / 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. For almost 60 years, we have built our reputation as a trusted consultant for some of the most challenging and recognizable construction, and Civil & Geotechnical Engineering projects across Southern California because we do things a little differently!
Chief Engineer Alpha Baking Co., Inc.Chief EngineerManitowoc, WIOversee the “Red Tag” program to monitor adherence to food safety goals through the maintenance, sanitation and quality verification steps for all maintenance work performed in food safety risk areas. Better than average knowledge of maintenance functions such as electrical, electrical controls, PLCs, plumbing, conveyors, motors/gearboxes, read schematics/blueprints.
Manufacturing Engineer Synerfac Technical StaffingManufacturing EngineerOxford, NC$80,000–$95,000 / yearOur client is hiring a Manufacturing Engineer to lead process development, tooling design, and continuous improvement for our Acme-Gridley and Davenport multi-spindle automatic screw machine operations. - Design tooling layouts, cam configurations, tooling sequences, and machine setups for Acme-Gridley and Davenport screw machines.
Project Engineer - Instrumenation Sixense Inc.Project Engineer - InstrumenationSilver Spring, MDFull timeThe job specific Project Engineer will be responsible for supporting the successful execution of Instrumentation & Geotechnical monitoring projects by combining field operations, project coordination, and client support in the Pittsburgh, PA area. Project Engineer is responsible for supporting the successful execution of Instrumentation & Geotechnical monitoring projects by combining field operations, project coordination, and client support.
NewSr. Software Engineer (.NET / PHP) JobotSr. Software Engineer (.NET / PHP)Tampa, FLRemote$100,000–$140,000 / 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. You'll play a key role in designing, developing, and maintaining backend services for a mature SaaS platform while helping support an evolving technology stack.
Project Engineer – Instrumentation and Monitoring Sixense Inc.Project Engineer – Instrumentation and Monitoringminneapolis, MN$70,000–$110,000 / yearFull timeInstall and maintain various geotechnical and structural monitoring instruments following Sixense procedures, including but not limited to datalogging systems, Vibration Monitors, Inclinometers, Piezometers, Noise Monitors and Automatic Motorized Total Stations. Demonstrable experience with the installation and maintenance of geotechnical and structural instruments such as piezometers, inclinometers, extensometers, and total stations, or similar technologies.
Geotechnical Engineer JobotGeotechnical EngineerElko, NV$75,000–$125,000 / 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. This is a growing geotechnical and engineering consulting firm that focuses on various projects across the country, including mining and drilling projects for municipal and private clients!
NewSenior Geotechnical Engineer JobotSenior Geotechnical EngineerWeehawken Township, NJ$90,000–$160,000 / yearFull service Professional Engineering firm serving New York and New Jersey with extensive experience in geotechnical and site/civil engineering services on a variety of projects across both the public and private market sectors including commercial, residential, educational, office, health care, and landmarked or historic 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.
Design/Mechanical Engineer RCE Equipment SolutionsDesign/Mechanical EngineerRockford, ILFull timeBe part of a fun, dynamic team that doesn’t just think outside the box—we build new boxes (and awesome rail equipment).Get the satisfaction of seeing your designs go from concept to real-world use. Benefits Overview Link: (will need to copy and paste in a new browser) https://acrobat.adobe.com/id/urn:aaid:sc:va6c2:c42856ca-4383-4780-80de-5f65079d9291.
Hardware Lab Engineer TeleWorld SolutionsHardware Lab EngineerPlano, TXFull timeWith the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. TeleWorld Solutions is a strategic wireless engineering and consulting firm offering network operators, OEMs, and tower companies’ turnkey design, optimization, network dimensioning, and deployment services.
NewSenior - Tooling Engineer Johnson Service GroupSenior - Tooling EngineerHuntington Beach, CADesign, set-up, and dimensionally inspect/interrogate assembly fixturing to support locating and bonding & fastening of large, complex, primary structure using laser trackers and dimensional inspection equipment. Ability to operate composites related equipment, 3d printers, small CNC routers Experience using Fibersim or Composite Workbench Passion for aviation and eVTOLs.
2nd Shift Machinist Rotating Machinery Services2nd Shift MachinistHouston, TXFull timeJOB SUMMARY Rotating Machinery Services, Inc (RMS Inc.) is seeking a qualified Manual Machinist to work 2nd shift (3pm to 11pm) and perform a variety of machining practices involved in turning, milling, drilling, threading operations, etc. The goal was to provide turbomachinery operators with unparalleled service based on established relationships, solid engineering, and technical expertise—all backed by responsiveness in competitive prices and lead times.
1st Shift Machinist Rotating Machinery Services1st Shift MachinistHouston, TXFull timeThe primary function of an RMS Manual Machinist is to perform a variety of machining operations—including turning, milling, drilling, and threading—on rotating equipment components such as pumps, turbines, and compressors to ensure compliance with specifications and quality requirements. The goal was to provide turbomachinery operators with unparalleled service based on established relationships, solid engineering, and technical expertise—all backed by responsiveness in competitive prices and lead times.
Field Service Machinist Rotating Machinery ServicesField Service MachinistPerris, CA$25–$42Full timeThe primary function of an RMS Manual Machinist is to perform a variety of machining operations—including turning, milling, drilling, and threading—on rotating equipment components such as pumps, turbines, and compressors to ensure compliance with specifications and quality requirements. The goal was to provide turbomachinery operators with unparalleled service based on established relationships, solid engineering, and technical expertise—all backed by responsiveness in competitive prices and lead times.
NewMining Engineer Level I-III Johnson Service GroupMining Engineer Level I-IIICoeur d'Alene, IDWorks with mine services including power, ventilation, compressed air, and water; assists with design and implementation of ground control and related ground support engineering including various rock bolting methods and shotcrete; optimizes techniques for explosives utilization and storage; ensures technical deliverables are provided to customers within time and quality expectations. Performs short-range mine planning including development design; drift & fill, UCB, and long-hole stope design; backfill design; scheduling development, production, construction and backfill; surveying; reconciliation of the schedule and plan with actual; and coordination with long-range mine planning, geology, survey, and mine operations.
NewManufacturing Engineer Johnson Service GroupManufacturing EngineerSalinas, CA8+ years of experience in aerospace manufacturing, with a proven track record in fi nal assembly for prototypes or experimental programs (EVTOL, rotorcraft, or other emerging aircraft strongly preferred). Serve as the primary on-the-fl oor expert, troubleshooting mechanical, hydraulic, pneumatic and electrical integration issues in real time, driving root-cause analysis and corrective actions.
Systems Engineer Technician (SET) – WARPATH Training Specialist DCS CorporationSystems Engineer Technician (SET) – WARPATH Training SpecialistNiceville, FLThe Workflow Application for Recording Production and Targeting History (WARPATH) Systems Engineer Technician (SET) for training is a vital role responsible for ensuring all users are proficient in leveraging WARPATH to its full potential. Familiarization and experience with target list management functions throughout the Joint Targeting Cycle with emphasis on Post Advanced Target Development (ATD) and Joint Prioritized Target Lists (JPTL).
ENGINEER Knife RiverENGINEERAiea, HIAdvanced working knowledge of mining and processing construction materials such as cement, aggregates, and ready-mix concrete. Work on various engineering projects supporting sales, operations, and continuous improvements in manufacturing and processing plants.
Infrastructure Engineer - Advanced Pinnacle Technical ResourcesInfrastructure Engineer - AdvancedPlano,, Texas$65–$75 / hourContractorThe successful candidate will be responsible for the design, deployment, configuration, and support of IBM Geographically Dispersed Parallel Sysplex (GDPS) solutions, ensuring high availability, disaster recovery, and business continuity for our critical mainframe environments. The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment.
NewFloodplain and Dam Engineer System OneFloodplain and Dam EngineerChantilly, VAThe Floodplain and Dam Engineer position involves work across floodplain modeling, permitting, floodplain crossing design, dam modeling, and dam permitting. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewProject Manager (SOE) Johnson Service GroupProject Manager (SOE)Manhattan, NYThe Project Manager is responsible for planning, coordinating, and executing construction projects involving deep excavation, soil disposal, secant and caisson installation, and Support of Excavation (SOE) systems . Proven experience with secant piles, caissons, soldier pile and lagging systems, and steel bracing (walers, struts, rakers).
Aircraft Structures Technician (VC-25B Program) STS Technical ServicesAircraft Structures Technician (VC-25B Program)San Antonio, TXIf you have strong experience in structural repair, critical tolerance drilling, and modification of complex airframes, we invite you to join a team committed to excellence, safety, and mission readiness. As a key player in both commercial and defense aviation support, our team is trusted to work on mission-critical aircraft platforms that demand precision, discretion, and integrity.
NewEngineer Design Technician - Relocate to Warroad, MN - Located in Warroad, MN MarvinEngineer Design Technician - Relocate to Warroad, MN - Located in Warroad, MNWarroad, MN$29–$38Highlights of your role: Document Management: Simultaneously create and track multiple complex ECN’s (Engineering Changing Notices), and update/support drawings, models and documents using 3D modeling software. With operations in 19 cities across North America, we manufacture Marvin’s quality products, including Infinity Replacement Windows and Doors, and TruStile Doors.
SAFETY ENGINEER - SAFETY SCIENTIST - Health, Safety, Environmental Professional Southwest Research Institute - FulltimeSAFETY ENGINEER - SAFETY SCIENTIST - Health, Safety, Environmental ProfessionalSan Antonio, TXFull timeAssociate Safety Professional (ASP), Graduate Safety Professional (GSP), Certified Safety Professional (CSP), Occupational Hygiene and Safety Technician (OHST), Construction Health and Safety Technician (CHST) preferred or ability to obtain certification within 1 year. Develop and deliver training sessions, prepare safety reports for management, and communicate clear and concise safety information to employees to increase their awareness and knowledge.
NewEngineer II - Polar EarthScope ConsortiumEngineer II - PolarSocorro, NM$93,150–$112,815 / yearImplement individual geophysical projects and assists with the execution of multiple projects of limited complexity, which may include logistics, site reconnaissance, site selection, permitting, installation activities, maintenance, network configuration, instrument operation, station communications and/or data flow activities as part of a portfolio of geophysical technologies. The requirements listed below are representative of the knowledge, skill, and/or ability for the position above and beyond the knowledge, skills & abilities listed in the position description: Personnel assigned to polar support may deploy to Antarctica or Arctic regions as required by NSF and coordinated by the US Antarctic Program.
New2nd Assistant Engineer Grand River Navigation Company2nd Assistant EngineerTraverse City, MIWe are one of the largest marine transportation service providers operating on the Great Lakes today with a combined fleet of 15 bulk freight vessels that provide service to over 50 customers across the Great Lakes and St. Competitive total rewards package including income, paid travel to/from the vessel, healthcare benefits, retirement savings plans and work/life balance with best-in-class rotation.
New3rd Assistant Engineer Grand River Navigation Company3rd Assistant EngineerTraverse City, MIWe are one of the largest marine transportation service providers operating on the Great Lakes today with a combined fleet of 15 bulk freight vessels that provide service to over 50 customers across the Great Lakes and St. Competitive total rewards package including income, paid travel to/from the vessel, healthcare benefits, retirement savings plans and work/life balance with best-in-class rotation.
NewResidential Maintenance Engineer MayroadResidential Maintenance EngineerEielson Air Force Base, Alaska$27.67–$35.50 / hourThe residential Maintenance Technician diagnoses, repairs, and maintains the physical condition and appearance of residential properties and other Mayroad assets (pool, community center, playgrounds, ice rinks, dog parks, community garden, etc.), including, but not limited to structural, paint, plumbing, HVAC, Steam, pressure washing, cleaning, electrical, etc., depending on assigned core duties. May involve exposure to extreme heat/cold, temperature changes, exposure to noise (85+ decibels), exposure to hazardous materials, use of power tools, atmospheric conditions, water, industrial hazards, electric shock, ice and slipping hazards, heights, and falling hazards, and other hazardous working conditions.
NewPIM/ PAM ENGINEER Capgemini Government Solutions LLCPIM/ PAM ENGINEERSan Antonio, TXThe 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. With its strong 55-year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs, from strategy and design to operations, fueled by the fast evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering and platforms.
NewAssembly Mechanic BoeingAssembly MechanicBerkeley, MOPerform skilled assembly operations such as: shimming, fitting, trimming and aligning which may vary considerably from one assembly to another as with fairings and the mating of major assemblies; realigning or replacing ribs, bulkheads or stringers in skinned assemblies; establishing from blue-prints with or without firm callouts, butt, center, chord, station and water lines; blind pick up of hole locations for blank parts from existing structure; correcting cans, buckles, wrinkles in outer skins and remove surface defects as assigned. Assemble aircraft and/or spacecraft structures or aircraft and/or spacecraft support equipment structures with or without the aid of jigs and fixtures by drilling, reaming, countersinking, stop countersinking, dimpling as assigned, burring, fastening, filing, filling, fitting, aligning, trimming, shimming and remove surface defects as assigned.
NewField Installation Support Technician System OneField Installation Support TechnicianChicago, ILRemote$20 / hourAt least 1 year of hands-on experience in field services, facilities support, installation support, general maintenance, construction support, warehouse operations, mechanical work, military service, or a related environment. Ability to perform physical work that may include lifting and carrying up to 50 pounds, standing for extended periods, bending, kneeling, reaching, climbing ladders, and working in confined or restricted areas.
Inspector - Geotechnical System OneInspector - GeotechnicalParsippany, NJ$50,000–$70,000 / yearInspects and oversees construction of buildings, dams, utilities, walls, pavement, and other types of construction work to ensure that procedures and materials comply with plans and specifications by performing the following duties. QUALIFICATIONS BS in Civil or Geotechnical Engineering with a minimum of 0 to 3 years of Site Civil, Geotechnical or Environmental engineering experience.
Maintenance Supervisor Alpha Baking Co., Inc.Maintenance SupervisorChicago, ILBetter than average knowledge of maintenance functions such as electrical, electrical controls, PLCs, plumbing, conveyors, motors/gearboxes, and ability to read schematics/blueprints. Electrical: Better than average troubleshooting knowledge of 3 phase 480VAC, control circuits of 110VAC and 24DC, AB PLCs.
Field Technician Keller North America, Inc.Field TechnicianChicago, IL$20–$30 / hourUnder the direction of the Superintendent and Project Manager, coordinates and generates the required documentation such as field data reports, schedules, DAQ logs, layout and asbuilt logs, equipment and resource reports.• Change Management• Works with Project Engineer and/or Project Manager to track and log any changes to the project.• Assists in identifying changes that need to be escalated.
NewHeavy Equipment Mechanic American Engineering Testing IncHeavy Equipment MechanicSt Paul, MN$33–$40 / hourThe Heavy Equipment Mechanic is responsible for the maintenance, repair, and troubleshooting of drilling rigs, construction equipment, and other heavy machinery used in geotechnical, environmental, and materials testing operations. As a 100% employee-owned firm, we deliver comprehensive testing, analysis, and design to reduce uncertainty in construction projects and offer rewarding work, exceptional training, and career development opportunities.
New["Senior Drilling Engineer","Senior Drilling Engineer"] Jager Recruitment["Senior Drilling Engineer","Senior Drilling Engineer"]MidlandOperational Support: Provide real-time technical guidance and troubleshooting during drilling operations, including handling complex issues like lost circulation, vibrations, and stuck pipe. AFE & Cost Management: Build detailed time and cost models (AFE), tracking expenditures, and managing project economics from spud to completion.
Drilling Engineer, Exploration & Resource Automation Mariana MineralsDrilling Engineer, Exploration & Resource AutomationMoab, UtahThe focus is not only to execute drilling programs, but to help automate how those programs are planned, tracked, sampled, analyzed, reconciled, and optimized across greenfield, brownfield, infill, resource definition, and new drilling campaigns. You will work on Copper One, a real sedimentary copper project in southeast Utah, while helping build MarianaOS tools that can scale across drilling, exploration, sampling, QA/QC, resource modeling, and project development workflows.
Field Engineer (Entry Level - Experienced) - Measurement/Logging While Drilling Halliburton CoField Engineer (Entry Level - Experienced) - Measurement/Logging While DrillingPrudhoe Bay, AKUnder strict supervision, provides on-site supervision of the Logging- While-Drilling (LWD) process, including tool preparations, data acquisition, log generation and Quality Control (QC) and delivery of the services to the customer. Candidates having qualifications that exceed the minimum job requirements will receive consideration for higher level roles given (1) their experience, (2) additional job requirements, and/or (3) business needs.
Field Engineer (II - General) - Measurement/Logging While Drilling Halliburton CoField Engineer (II - General) - Measurement/Logging While DrillingPrudhoe Bay, AKAccurately completes all required forms, databases and reports (i.e. service vouchers, lost/damaged equipment, radiation site survey, End of Job Customer Survey (EJCS) report, First Alert Database (FAD)/Correction, Prevention and Improvement (CPI). Under general supervision, provides on-site supervision of the Logging- While-Drilling (LWD) process, including tool preparations, data acquisition, log generation and Quality Control (QC) and delivery of the services to the customer.
Data Scientist/ML/AI Engineer - Junior (Remote) SynergisticITData Scientist/ML/AI Engineer - Junior (Remote)INRemote$82,000–$136,000 / yearFull timeSince 2010, SynergisticIT has helped thousands of candidates land full-time jobs at tech leaders and enterprise employers—companies such as Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Walmart Labs, Citi, JPMC, Bank of America, Deloitte, and many more—with offers often ranging from $95,000 to $154,000 depending on role and skill depth. In other words, the program builds candidates across Java / Full Stack / DevOps and Data Analytics / Data Engineering / Data Science / Machine Learning / AI—because companies hire teams, not single-skill candidates.
Data Scientist/Engineer - Junior (Remote) SynergisticITData Scientist/Engineer - Junior (Remote)Boulder, CORemote$78,000–$145,000 / yearFull timeSince 2010 , SynergisticIT has helped thousands of candidates land full-time jobs at tech leaders and enterprise employers—companies such as Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Walmart Labs, Citi, JPMC, Bank of America, Deloitte , and many more—with offers often ranging from $95,000 to $154,000 depending on role and skill depth. In other words, the program builds candidates across Java / Full Stack / DevOps and Data Analytics / Data Engineering / Data Science / Machine Learning / AI —because companies hire teams, not single-skill candidates.
NewField Engineer II - Managed Pressure Drilling Weatherford International PlcField Engineer II - Managed Pressure DrillingOdessa, TXPerforms job planning, preparation of tools & equipment, mobilization, job execution and submits all job-related data, not limited to job reports, WPTS data entry, observation cards while on-site, service tickets or logs with the required signatory, and any other documents required to successfully invoice the client within an acceptable time. Responsibilities: Participates in all daily operations & safety meetings, toolbox, Job Hazard Analysis (JHA), and reports any issues promptly using the appropriate tools.
Senior Drilling Engineer KoBold Metals CoSenior Drilling EngineerRemoteThe easy-to-find, near-surface deposits have largely been found, and the industry has chronically under-invested in new exploration technology, relying on the manual techniques of yesteryear - even as demand accelerates for copper, lithium, and other metals to build electric vehicles, renewable energy, and data centers. Complete detailed root cause analysis on all downhole failures with a particular focus on rod string and thread failures, stuck in hole, wireline failures and the correlation to dogleg severity, hole trajectory, and adherence to good drilling practices.
Senior Drilling Engineer Jager RecruitmentSenior Drilling EngineerMidland, TexasOperational Support: Provide real-time technical guidance and troubleshooting during drilling operations, including handling complex issues like lost circulation, vibrations, and stuck pipe. AFE & Cost Management: Build detailed time and cost models (AFE), tracking expenditures, and managing project economics from spud to completion.
New["Senior Drilling Engineer","Senior Drilling Engineer"] EOG Resources["Senior Drilling Engineer","Senior Drilling Engineer"]MidlandIn addition, the successful candidate must be able to work closely and effectively with G&G, Reservoir, Completion, Land, Construction and Regulatory groups, provide up to date, detailed performance and cost analysis to Division Management and to provide the daily Engineering supervisory support and guidance for multiple drilling rig operations & well site supervisors. Duties will include but not be limited to vertical and horizontal well planning and design, writing AFEs, analyzing drilling performance & costs, evaluating vendor performance and investigation and application of new technologies to improve drilling performance and cost efficiencies in the development and exploration drilling program.
Digital Drilling Engineer SchlumbergerDigital Drilling EngineerHouston, TXCALIFORNIA APPLICANTS ONLY: I understand the Company may obtain, without using the services of a third party investigative consumer reporting agency, public records pertaining to my character, general reputation, personal characteristics, or mode of living during its evaluation of my application for employment and, if employed, during my employment. 2. REASONABLE ACCOMMODATIONS The Company will endeavor to make a reasonable accommodation / modification to the known physical or mental limitations of a qualified applicant with a disability to assist in the hiring process, unless the accommodation would impose an undue hardship on the operation of our business, in accordance with applicable federal, state, and local law.
Senior Drilling Engineer Cornerstone EngineeringSenior Drilling EngineerBakersfield, CaliforniaCollaborating closely with clients, contractors, and multidisciplinary teams, the engineer will develop well programs, troubleshoot operational challenges, and drive continuous improvement initiatives. This pivotal role focuses on delivering safe, reliable, and efficient wells by providing engineering design, operational planning, and real-time technical support.
Sr Drilling Engineer QB EnergySr Drilling EngineerDenver, CO$206,000–$255,000 / yearQB Energy is a Denver-based upstream natural gas company committed to delivering value through responsible acquisition, development, and production that benefits both shareholders and stakeholders by operating efficiently, sustainably, and with cutting-edge technology. From time to time, the role will require field visits where exposure to extreme weather conditions, fumes, airborne particles, vibrations, dust, electrical charges and other unforeseen exposures may be encountered.
Drilling Engineer Infinity Natural ResourcesDrilling EngineerMorgantown, PAFull timeCandidates must be able and willing to travel to field sites up to 25 – 40% of the time to maintain a consistent field presence, provide on-call support for field operations, and bridge the gap between corporate engineering design and rig-site execution. Working Conditions & Physical Requirements Schedule: Work may require extended hours, nights, or weekends during critical operations, including providing scheduled on-call support for field operations.