Senior/Principal Systems Engineer - Modeling Simulation & Analysis (Secret Clearance)

Role overview Quest Defense Systems Solutions Inc. seeks an Information Systems Engineer for its Tucson, AZ location. This position supports defense sector clients and requires an active Secret Clearance. The engineer will design, implement, and maintain information systems tailored to client needs. What you will do Develop and support information systems for defense-related projects Protect the security and integrity of sensitive data Collaborate with clients to address technical and operational requirements Requirements Active Secret Clearance Background in designing, implementing, and maintaining information systems Ability to manage sensitive data according to security protocols

Quest Defense Systems Solutions Inc. seeks a Lead Engineer for Test Systems Execution in Tucson, AZ. This role requires an active Secret Clearance and focuses on guiding the execution of complex testing systems. Key Responsibilities Direct the execution of test systems, ensuring quality and efficiency throughout each phase. Collaborate with cross-functional teams to shape and apply test strategies that fit specific project requirements. Requirements Active Secret Clearance. Proven experience leading test system execution efforts. Ability to work effectively with colleagues from various technical backgrounds.

Join the forefront of Safety- and Mission-Critical Engineering with Quest Defense Systems & Solutions (QDSS). We are on the lookout for talented professionals to enhance our distinguished team—where your skills will contribute significantly to our mission of excellence and safety.As a Manufacturing Planner II, you will be at the helm of the acquisition and manufacturing processes for Test Equipment. Your role will involve troubleshooting manufacturing challenges related to test equipment and prototypes, leveraging your knowledge of engineering design, requirements, and intended applications. You will also be responsible for generating and tracking multiple requisitions throughout the procurement cycle, resolving procurement issues, and ensuring timely delivery to meet customer schedules.Due to project-specific requirements, all applicants must be U.S. citizens and possess or be eligible to obtain a Secret Clearance.This is an on-site role, and all candidates must currently reside in Tucson, AZ, or be willing to relocate.Key Responsibilities:Contribute actively to the design, acquisition, and manufacturing of intricate test equipment, including cables, chassis, and electro/mechanical fixtures.Participate in engineering design reviews.Manage and maintain build configuration and quality history records.Acquire, track, and manage materials from procurement through to the final delivery of completed test sets.

Join Quest Defense Systems & Solutions (QDSS) and become a critical player in Safety- and Mission-Critical Engineering. We are on the lookout for talented individuals who are passionate about making a significant impact in their careers. At QDSS, we prioritize excellence and the achievement of mission success.We are currently in search of a Lead Electrical Prototyping Inspection Technician to operate within a dynamic engineering environment. You will collaborate closely with multi-disciplined design teams across various projects to transform design concepts into reality, providing rapid engineering, fabrication, and prototyping solutions throughout the product lifecycle.Please note that all applicants must be U.S. Citizens and possess or be able to obtain a Secret Clearance due to the sensitive nature of the project.This position is on-site, requiring candidates to be located in Tucson, AZ, or willing to relocate.Key Responsibilities:Conduct testing and inspection of complex prototype electrical assemblies, ensuring compliance with workmanship standards.Utilize moderate to extensive experience to interpret technical drawings, schematics, 3D models, written notes, and specifications.Modify methods and procedures to effectively test, inspect, and troubleshoot new hardware.Employ advanced skills to evaluate and inspect intricate prototype electrical assemblies.Participate in electrical/mechanical engineering drawing peer reviews to validate engineering design specifications for the development of producible prototypes.Evaluate complex designs to guarantee producibility, maintainability, safety, and reliability.Document and communicate any discrepancies or concerns identified during testing and inspection to clients, collaborating on design enhancements.Execute additional duties as assigned.

ABOUT ROCKET LABRocket Lab is a pioneering end-to-end space solutions provider dedicated to making space accessible. We offer responsive launch services, comprehensive spacecraft design and manufacturing, payloads, satellite components, and much more. Our mission is to unlock space for all, enabling extraordinary space missions that advance scientific exploration, Earth observation, climate change initiatives, national security, and cutting-edge technology demonstrations.Our Electron rocket has emerged as one of the most frequently launched rockets in the United States, successfully delivering over 230 satellites into orbit. We are also developing Neutron, our next-generation medium-lift, reusable launch vehicle designed for larger constellation deployments. Our Space Systems division is responsible for the design and construction of a diverse array of satellites and payloads, including components that support NASA missions to the Moon and Mars, as well as instruments used on the James Webb Space Telescope.SPACE SYSTEMSAt Rocket Lab, we are not merely launching rockets; we are crafting the future of space exploration. Our Space Systems team is involved in creating everything from complete spacecraft and precision payloads to vital components that ensure their success in space, including solar panels, flight software, star trackers, optical systems, and communication radios.With over 1,700 missions under our belt, our Space Systems team supports initiatives ranging from interplanetary exploration and in-space manufacturing to national security operations. We partner with esteemed organizations like NASA, the Space Development Agency, and the U.S. Space Force to construct advanced spacecraft and payloads for missions to the Moon and Mars. Whether it's developing a single high-performance spacecraft or an entire constellation, our world-class team is propelling some of the most daring and ambitious space missions.SYSTEMS ENGINEER II - SECRET CLEARANCEThe Optical Systems division at Rocket Lab tackles mission-critical challenges in the space domain and Intelligence, Surveillance, and Reconnaissance (ISR) for Department of Defense (DoD) and Intelligence Community (IC) clients. Our vision is to transform the landscape of space-based payload operations.

ABOUT ROCKET LABRocket Lab is at the forefront of the space industry, providing comprehensive launch services, cutting-edge spacecraft design and manufacturing, and essential satellite components. Our mission is to democratize access to space, making it possible for the most ambitious and crucial space missions to thrive. With our innovative rockets and satellites, we contribute to scientific exploration, Earth observation, and initiatives aimed at combating climate change and enhancing national security.Our Electron rocket has achieved remarkable success, becoming the second most frequently launched U.S. rocket, successfully delivering over 230 satellites into orbit. We are also developing Neutron, our next-generation medium-lift, reusable launch vehicle, designed for deploying larger satellite constellations. Our Space Systems division is responsible for designing and manufacturing an extensive range of satellite technologies, including those selected for NASA missions to the Moon and Mars, and components utilized in the James Webb Space Telescope.SPACE SYSTEMSAt Rocket Lab, we are not just launching rockets — we are shaping the future of space exploration. Our Space Systems team is pivotal in constructing complete spacecraft and precision payloads, as well as the subsystems and components essential for their operation in space. These include solar panels, flight software, star trackers, optical systems, and more.Having facilitated over 1,700 missions that span interplanetary exploration, in-space manufacturing, and national security initiatives, our team has collaborated with esteemed partners such as NASA, the Space Development Agency, and the U.S. Space Force. Whether developing high-performance spacecraft, constellations, or vertically integrated components, our world-class Space Systems team is empowering some of the boldest and most ambitious missions in space.SENIOR/PRINCIPAL SYSTEMS ENGINEER – SECRET CLEARANCEOur Optical Systems division addresses mission-critical challenges in the space domain and for Intelligence, Surveillance, and Reconnaissance (ISR) needs, serving both Department of Defense (DoD) and Intelligence Community (IC) clients. Join us in our vision to...

ABOUT ROCKET LABRocket Lab is a pioneering space technology company that provides comprehensive launch services, spacecraft design and manufacturing, and payloads, among other solutions, all aimed at making space accessible. The rockets and satellites we create enable some of the most ambitious space missions globally, which include scientific exploration, Earth observation, climate change initiatives, and national security efforts.Our Electron rocket is the second most frequently launched U.S. rocket annually, successfully deploying over 230 satellites to orbit. We are also developing Neutron, a medium-lift, reusable launch vehicle designed for launching larger constellations. Our Space Systems division designs and manufactures a wide array of satellites, payloads, and components, including spacecraft chosen for NASA missions to the Moon and Mars, as well as components utilized in the James Webb Space Telescope.SPACE SYSTEMSAt Rocket Lab, we are not only launching rockets — we are building the future of space. Our Space Systems team is responsible for developing everything from complete spacecraft and precision payloads to the components and subsystems that enable their functionality in space, such as solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.The Space Systems team has contributed to over 1,700 missions, encompassing interplanetary exploration, in-space manufacturing, and national security projects. We have collaborated with partners like NASA, the Space Development Agency, and the U.S. Space Force, constructing spacecraft, payloads, and components for missions to the Moon and Mars. Whether it’s a single high-performance spacecraft or a constellation of satellites, our world-class Space Systems team empowers some of the most ambitious space missions.SENIOR/PRINCIPAL CONTROLS SYSTEMS ENGINEER – SECRET CLEARANCERocket Lab’s Optical Systems division addresses mission-critical challenges in the space domain, as well as Intelligence, Surveillance, and Reconnaissance (ISR) needs for the Department of Defense (DoD) and Intelligence Community (IC) clients.

Role overview Quest Defense Systems Solutions Inc. seeks a Mechanical Design Engineer with Secret Clearance for its Tucson, AZ location. This position centers on designing and developing test systems, mechanical assemblies, and hardware fixtures that support advanced aerospace and defense initiatives. Key responsibilities Design mechanical assemblies and hardware fixtures for environmental testing, including vibration, thermal, RF, and electro-mechanical systems. Develop test systems using Creo (Pro/E) and other CAD software. Work directly with hardware and complex system prototypes. Collaborate with cross-functional teams from concept through integration, validation, and production support. Who succeeds in this role Engineers early in their careers seeking hands-on experience with aerospace and defense hardware. Individuals who enjoy tackling challenging projects and contributing to practical solutions. Problem solvers who value teamwork and creative thinking. Requirements U.S. Citizenship is required. Secret clearance (active or obtainable); active clearance is strongly preferred. Experience with Creo (Pro/E) or similar CAD tools. Location This role is based on-site in Tucson, AZ.

Join the forefront of Safety- and Mission-Critical Engineering with Quest Defense Systems & Solutions (QDSS). We are on the lookout for talented professionals to become part of our distinguished team, where your skills will drive meaningful impact. Advance your career in an organization committed to excellence, safety, and mission achievement.We are currently seeking a Senior Integrated Product Manager for Test Systems. If you thrive in dynamic environments and enjoy collaborating with teams, this role is tailored for you! Our team comprises innovators, creators, and strategists who inspire one another daily. We work together to iterate and execute strategies aligned with our organizational mission and individual career aspirations.Note: Due to project requirements, all candidates must be U.S. citizens and possess or be able to obtain a Secret Clearance.This position is on-site, and candidates must be willing to relocate to Tucson, AZ.Key Responsibilities:Lead the lifecycle of programs from inception to completion, serving as the Integrated Product Manager overseeing multi-disciplinary teams in technical and administrative domains.Manage and coordinate the administrative and operational aspects of ongoing projects while adhering to program guidelines.Evaluate and analyze collected data to formulate solutions or alternative approaches in alignment with program requirements.Facilitate project tasks across various organizations to ensure consistency with overarching project goals.Oversee the preparation of proposals, business plans, work statements, specifications, operating budgets, and contract terms.Collaborate with program leadership, finance, and planning to implement Earned Value Management (EVM).Demonstrated experience managing a cross-functional team, including test personnel (electrical, software, mechanical, etc.).Present analytical and program performance results for Test Systems Engineering or similar engineering initiatives to executive and functional leadership.

Rocket Lab USA, Inc. develops launch vehicles, spacecraft, and payload solutions to support scientific research, Earth observation, climate monitoring, national security, and technology demonstrations. The Electron rocket has become the second most frequently launched rocket in the United States, with more than 230 satellites delivered to orbit. The company is also advancing Neutron, a medium-lift reusable rocket designed for larger satellite constellations. Rocket Lab’s Space Systems division produces satellites and components for missions ranging from lunar and Martian exploration to hardware used in the James Webb Space Telescope. The Space Systems team is responsible for designing and building complete spacecraft, payloads, and subsystems that must operate reliably in orbit. Their work covers solar panels, flight software, star trackers, optical systems, and communication radios. With experience supporting over 1,700 missions, the team contributes to interplanetary exploration, in-space manufacturing, and defense projects. Partnerships include NASA, the Space Development Agency, and the U.S. Space Force, delivering high-performance spacecraft and integrated systems for demanding missions. Role overview This Senior/Principal Systems Engineer position is based in Tucson, AZ and requires an active Secret clearance. The role sits within the Optical Systems division, which addresses technical challenges in the space sector and supports Intelligence, Surveillance, and Reconnaissance (ISR) needs for the Department of Defense and Intelligence community.

Rocket Lab’s Space Systems division in Tucson, AZ, is looking for a Principal Engineer to join the Optical Systems (RLOS) group. This team tackles complex challenges in the space domain, supporting Intelligence, Surveillance, and Reconnaissance (ISR) missions for Department of Defense and Intelligence Community clients. Role overview This position centers on designing and developing advanced space payloads and high-precision optical systems. The work spans mission-critical projects that contribute to national security and support a range of defense and intelligence initiatives. Location This role is based in Tucson, Arizona. Clearance requirement An active Secret or Top Secret security clearance is required.

Role overview Quest Defense Systems Solutions Inc. seeks a Mechanical Design/Drafter to join its team in Tucson, AZ. This on-site position centers on creating and maintaining mechanical drawings and CAD models for aerospace and defense hardware. The work plays a direct role in supporting manufacturing and production activities. What you will do Develop and update detailed mechanical drawings and CAD models Collaborate with engineers to turn concepts into production-ready documentation Contribute to the design and development of aerospace and defense hardware Maintain accuracy and clarity in all technical documentation Who will thrive in this role This position is well suited to early-career professionals interested in hands-on design, CAD modeling, and practical hardware development as part of a collaborative team. Location and clearance requirements Location: Tucson, AZ (on-site). Relocation assistance is available. Clearance: U.S. citizenship is required. An active Secret clearance is strongly preferred. Candidates eligible to obtain clearance will also be considered.

Advance Your Career with Cook SystemsSince 1990, Cook Systems—a certified veteran-owned IT consulting firm—has been instrumental in fostering growth for businesses and professionals through our commitment to innovation, integrity, and investment in people. We collaborate with Fortune 500 companies and emerging enterprises to deliver agile technology solutions, AI-driven talent strategies, and our signature FastTrack program to cultivate the next generation of tech talent.At Cook, we pride ourselves on a culture that emphasizes excellence, creativity, and accountability. We believe in creating opportunities supported by trust and in nurturing careers that endure. Explore our team members’ testimonials on our Glassdoor page and find out why Cook Systems is the perfect place for meaningful career development!Position Overview:We are on the lookout for an accomplished Civil Engineer with project management experience to join our dynamic team. This role is pivotal in providing technical guidance, crafting designs, and supervising engineering projects that enhance various facilities and infrastructure. The ideal candidate will possess in-depth knowledge of civil systems, including structural, hydrologic, traffic, sanitary, utility, and foundation construction, with specific experience in site development, structural analysis, utility management, and bridge engineering.

Join mks2technologies as a Lead Engineer in our Test Systems division, where you will spearhead the development and implementation of cutting-edge testing solutions. This role involves collaborating closely with cross-functional teams to ensure the highest quality standards in our products. You will be responsible for guiding engineering efforts and providing technical leadership to drive innovation and efficiency.

Quest Defense Systems Solutions Inc. is seeking a Lead Systems Engineer to join the Test Systems Engineering group in Tucson, AZ. This hybrid position centers on building and supporting teams that design and deliver test solutions for critical defense projects. Key Responsibilities Lead technical hiring and onboarding efforts within the Test Systems Engineering organization Develop and mentor engineers to strengthen team capabilities and technical depth Collaborate with engineering and program leaders to achieve hiring objectives Guide teams to adhere to technical standards, established processes, and program requirements Shape team structure and contribute to hiring strategies for ongoing growth Requirements Proven experience leading engineering teams, ideally with a focus on test systems Background in developing and supporting multidisciplinary engineering groups Ability to mentor engineers and encourage technical growth Strong collaboration skills with technical and program leadership Location and Clearance Based in Tucson, AZ (hybrid work arrangement) U.S. Citizenship is required Active Secret clearance required

Quest Defense Systems & Solutions seeks a Principal Software Engineer - Test Systems for its Tucson, AZ facility. This is a full-time, onsite role with relocation assistance for qualified candidates. Role overview This senior engineering position centers on designing and developing software, automation tools, and hardware interfaces used in advanced aerospace and defense test systems. The work directly supports the validation of mission-critical products, spanning both engineering and production environments. Day-to-day, expect hands-on involvement with C++, C#, Python, Visual Studio, and a range of lab instrumentation. Collaboration across disciplines is essential, particularly when integrating systems, troubleshooting complex setups, and supporting key programs. What you will do Lead teams in the development of test equipment for aerospace and defense applications Manage multiple tasks simultaneously in a production context Support planning around cost and schedule management Communicate project updates clearly to senior management Troubleshoot issues involving both software and test equipment Develop requirements for new software products Maintain strong written and interpersonal communication with Program Management Who will thrive This role fits experienced engineers who enjoy building software that interacts with real hardware and want to contribute to advanced defense technology. The position involves working in a fast-moving setting and making a direct impact on high-visibility projects. Security and location requirements U.S. citizenship required Ability to obtain and maintain a Secret Clearance Onsite work in Tucson, AZ Relocation assistance available

Quest Defense Systems Solutions Inc. seeks an Electrical Engineer specializing in Test Systems and Hardware Integration for its Tucson, AZ location. This position focuses on designing and developing test systems, hardware interfaces, and automated test equipment (ATE) used in aerospace and defense projects. The work covers the full product lifecycle, including circuit design, schematic capture, system integration, validation, and deployment. Key Responsibilities Design and develop test systems and hardware interfaces tailored to aerospace and defense needs Create automated test equipment (ATE) for laboratory and manufacturing use Perform circuit design, schematic capture, and system integration tasks Support the validation and deployment of test solutions Work closely with interdisciplinary teams to deliver reliable hardware and test systems Who Succeeds Here Engineers who enjoy hands-on problem solving and tackling complex hardware challenges Team players who value collaboration across technical disciplines Location and Security Location: Tucson, AZ Security Clearance: U.S. Citizenship required. An active Secret clearance is preferred, but candidates eligible to obtain clearance will also be considered.

ABOUT ROCKET LABRocket Lab is a pioneering end-to-end aerospace company committed to making space accessible for all. We provide responsive launch services, comprehensive spacecraft design and manufacturing, payloads, and satellite components, all aimed at facilitating innovative space exploration. Our rockets and satellites are instrumental in supporting scientific research, Earth observation, national security, and cutting-edge technology demonstrations.Our Electron rocket has become the second most frequently launched U.S. rocket, successfully delivering over 230 satellites into orbit. We are also developing Neutron, a medium-lift, reusable launch vehicle designed for larger constellation deployments. Our Space Systems division designs and constructs an extensive array of satellites and components, including those selected for NASA missions to the Moon and Mars, as well as parts utilized in the James Webb Space Telescope.SPACE SYSTEMSAt Rocket Lab, we are not just launching rockets — we are shaping the future of space. Our Space Systems team is involved in the creation of everything from complete spacecraft to precision payloads and essential subsystems that enable functionality in space. This includes solar panels, flight software, star trackers, optical systems, and communication radios.Our efforts have supported over 1,700 missions across various domains, including interplanetary exploration, in-space manufacturing, and national defense initiatives. We collaborate with esteemed partners such as NASA, the Space Development Agency, and the U.S. Space Force, empowering some of the most ambitious space missions ever undertaken.PRINCIPAL ELECTRICAL ENGINEERJoin our Optical Systems division, where we tackle critical challenges in the space domain and Intelligence, Surveillance, and Reconnaissance (ISR) for Department of Defense (DoD) and Intelligence Community (IC) clients. Our mission is to transform the space-based payload market.

Join Firetrol as a Fire Systems Inspector in Tucson, Arizona, where you will play a critical role in ensuring the safety and compliance of fire protection systems. In this position, you will conduct thorough inspections, tests, and maintenance of various fire alarm and suppression systems, ensuring they operate effectively and meet all regulatory standards.We are looking for a detail-oriented professional who is passionate about fire safety and dedicated to delivering top-notch service to our clients.