NewProduct Service Engineer Caterpillar IncProduct Service EngineerTucson, AZ$112,710–$169,060 / yearSupport new product introductions and deployments by completing NPI deliverables, participating in field development activities, identifying supportability risks, and developing documentation, tools, and best practices to improve global support effectiveness. The position supports MineStar for Underground technologies including Command, Fleet, Detect, onboard machine systems, Remote Operator Stations, server infrastructure, communications networks, and mine site technology deployments.
AHS Product Engineer II KomatsuAHS Product Engineer IITucson, AZWorking as part of the Global Support organization, this role helps regional support teams and mine-site customers diagnose and resolve complex system issues, deploy and validate AHS software, and maintain the technical documentation and processes required to operate and support autonomous mining systems safely and reliably. The Product Engineer II operates with greater independence than an entry-level Product Engineer and is expected to take ownership of technical investigations, coordinate troubleshooting activities, contribute to testing and quality assurance, and share knowledge with less experienced team members.
Design Engineer III (DESIG005667) Sargent Aerospace & Defense, LLCDesign Engineer III (DESIG005667)Tucson, AZPart timeProducts and systems include hydraulic actuation and valve systems, locking actuators, steering metering control valves, fuse pins, hot forged bolts, pneumatic ducting and valve seals, tubing system alignment joints, engine hot section and structural components, airframe components, shock strut bearings, PTFE lined spherical bearings and broad component maintenance, overhaul, spares logistics and power-by-the-hour support services. Founded in 1920, Sargent Aerospace & Defense leverages 100 years of expertise as a premier global supplier of precision engineered customized components that directly contributes to the safe operation of countless commercial and military aircraft, rotorcraft, submarines and land based vehicles.
EH&S Engineer Butler America Aerospace LLCEH&S EngineerTucson, AZ$33–$37 / hourUnder the direction of the Safety Manager support and implement safety programs including, but not limited to, contractor safety, confined spaces, Job Hazard Assessment, electrical safety, lockout/tagout (LOTO), fall protection, machine guarding, powered industrial vehicles, cranes/hoist, training, fire & life safety, ergonomics and others as assigned by management. Experience accurately diagnosing general and complex EH&S issues related to operations, determine appropriate or practical controls, and implement practical and effective solutions in a timely manner.
Principal Test Equipment Design Engineer Associates SystemsPrincipal Test Equipment Design EngineerTucson, ArizonaWe are seeking a Principal Test Equipment Design Engineer to support the development of advanced test platforms, factory test systems, and automated test architectures for defense programs. The engineer will support the full test equipment lifecycle, from requirements definition and architecture through design, integration, verification, deployment, troubleshooting, and final sell-off in production or field/depot environments.
Senior Systems Engineer II/Principal EO/IR Image Analysis Rocket Lab CorpSenior Systems Engineer 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 and precision payloads to the components and subsystems that allow them to thrive in space, including solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Principal Engineer, Space Payloads Rocket Lab CorpPrincipal Engineer, Space PayloadsTucson, 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. Rocket Lab's Space Systems division builds complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space including solar panels, flight software, star trackers, optical systems, separation systems, and radios.
R&D Quality Assurance Engineer, Steward Observatory University of ArizonaR&D Quality Assurance Engineer, Steward ObservatoryTucson, AZ$65,687–$85,393 / yearKnowledge, Skills, and Abilities (KSAs): Working knowledge of quality assurance methods, configuration management, engineering change control, root-cause analysis, corrective and preventive actions (CAPA), and risk assessment techniques, including Failure Mode and Effects Analysis (FMEA). Open Date 9/8/2026 Open Until Filled Yes Documents Needed to Apply Resume and Cover Letter Special Instructions to Applicant Notice of Availability of the Annual Security and Fire Safety Report In compliance with the Jeanne Clery Campus Safety Act (Clery Act), each year the University of Arizona releases an Annual Security Report (ASR) for each of the University's campuses.
Firmware Engineer (Embedded C) Alicat Scientific IncFirmware Engineer (Embedded C)Tucson, AZ$100,000–$120,000 / yearYou will own meaningful firmware deliverables under the guidance of senior engineers, contribute to architecture discussions, participate in code reviews, and grow your embedded systems expertise within a fast-iteration, vertically integrated engineering environment. You will write robust, deterministic firmware that directly controls sensors, valves, communication interfaces, and calibration systems operating in demanding real-world environments.
Systems Engineer with ACTIVE Secret security clearance (US Citizenship is REQUIRED) Geologics CorporationSystems Engineer with ACTIVE Secret security clearance (US Citizenship is REQUIRED)Tucson, AZ$65–$82 / hourUtilize your knowledge of models, simulations, test beds, prototypes, hardware integration, hardware manufacturing, warfighter (User) methodologies, embedded test protocols, and full-scale Engineering Development Models (EDM's) to ensure comprehensive lifecycle testing that is both robust and affordable. You must demonstrate applied experience and working knowledge of developmental test process, test set-ups and integration, test equipment design with transition to the factory, and verification / validation of product hardware using proven test systems, methodologies, and techniques.
Senior Principal Javelin Systems Engineer CPT Lead (Onsite) RTX CorpSenior Principal Javelin Systems Engineer CPT Lead (Onsite)Tucson, AZServe as the primary technical interface with top-level program and customer organizations for the planning and execution of proposals, new starts, lateral product applications, and major Engineering Change Proposals. Support program growth and technology insertion strategies by working closely with the Chief Engineer and Lead Systems Engineer, together with Chief Technologists and Technical Directors as appropriate.
Principal Mechanical Engineer - Advance Airframes RTX CorpPrincipal Mechanical Engineer - Advance AirframesTucson, AZTasks will include design, integration, and test of mechanical-focused hardware using computer-aided design, mechanical analyses, and consistent coordination and communication across engineering teams to ensure successful hardware performance, usually demonstrated through flight tests. Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience or An Advanced Degree in a related field and minimum 5 years experience.
Cyber Security Engineer- Compliance Quest Defense Systems & SolutionsCyber Security Engineer- ComplianceTucson, Arizona$53–$58 / hourThis position is ideal for a cybersecurity professional with experience supporting regulated environments, systems administration, vulnerability management, and cybersecurity compliance frameworks such as NIST SP 800-171 and CMMC. We are seeking a Cybersecurity Compliance Engineer to support the implementation, maintenance, and validation of cybersecurity controls for engineering test equipment, systems, and operational technology (OT) environments.
Senior System Safety Engineer Quest Defense Systems & SolutionsSenior System Safety EngineerTucson, Arizona$58–$63 / hourWith over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Bachelor's degree in Systems Engineering, Mechanical Engineering, Electrical Engineering, Aerospace Engineering, or another STEM-related discipline.
Mechanical Engineer RFA EngineeringMechanical EngineerTucson, ArizonaYou will utilize CAD tools to develop designs, support product development activities, and collaborate with manufacturing, quality, operations, and supplier partners to deliver robust engineering solutions. RFA Engineering ( www.rfamec.com ) is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise.
NewMechanical Engineer Rogers Freels & Associates IncMechanical EngineerTucson, AZ$65,000–$85,000 / yearPart timeYou will utilize CAD tools to develop designs, support product development activities, and collaborate with manufacturing, quality, operations, and supplier partners to deliver robust engineering solutions. RFA Engineering ( www.rfamec.com ) is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise.
NewDev/Research Engineer 2 Net2SourceDev/Research Engineer 2Green Valley, AZ$45–$50 / hourTest validation – validating the functionality of software and controls features; common area – carrying out requirements; system level testing; working with mechanics, instrumentation technicians and operators. At Net2Source, we champion leadership at all levels, celebrate diverse perspectives, and empower you to make an impact.
Senior FPGA Engineer II Rocket Lab CorporationSenior FPGA Engineer IITucson, 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. Rocket Lab's Space Systems division builds complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space including solar panels, flight software, star trackers, optical systems, separation systems, and radios.
Senior Software Engineer II Rocket Lab CorporationSenior Software Engineer IITucson, 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. Rocket Lab’s Space Systems division builds complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space including solar panels, flight software, star trackers, optical systems, separation systems, and radios.
Senior Electrical Engineer II Rocket Lab CorporationSenior Electrical Engineer IITucson, 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. Rocket Lab’s Space Systems division builds complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space including solar panels, flight software, star trackers, optical systems, separation systems, and radios.