Senior Systems, Integration, and Test Engineer

With over 50 years of experience, ENSCO Inc. has been at the forefront of delivering innovative engineering, science, and advanced technology solutions to government and private sectors globally.We take pride in our ability to create and implement cutting-edge technologies that ensure mission success. Our services encompass systems engineering, integration, and advanced technologies that enhance the safety, security, and resilience of critical missions across various domains, including ground, air, space, and information systems.Discover more about ENSCO.Position DescriptionWe are currently looking for a Senior Evolved Strategic Systems (ESS) Program Systems Integration Engineer to join our dynamic Systems Engineering team. This team is responsible for shaping the future of space communication systems that support the Air Force Military Satellite Communications. The successful candidate will engage in Systems Engineering & Integration (SE&I) activities within a multidisciplinary and collaborative framework. You will be expected to collaborate with SE&I team members, contractors, government personnel, and members of the USAF. This role includes leading and supporting multiple working groups to facilitate technical discussions, identify and mitigate risks, address requirement gaps, create briefings, track action items, and document meeting minutes.The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) initiative offers advanced SE&I capabilities for the Air Force’s Space and Missiles System Center. We play a crucial role in the acquisition of state-of-the-art Military Satellite Communications systems, ensuring secure, survivable, and protected communications for our nation’s military personnel. We are seeking technically adept individuals who can thrive in a highly collaborative small team environment, utilizing the latest tools and methodologies to overcome the complexities of integrating sophisticated space and ground communication systems. This position is based on-site in El Segundo, CA. Key responsibilities include but are not limited to:Developing and executing integration strategies and processes to ensure the successful integration of satellite communication systems, segments (Ground, Space, Crypto, Terminals), subsystems, elements, and components; managing the technical baselines among various stakeholders.Conducting thorough analyses of system requirements that define the technical frameworks necessary for successful project execution.

We are seeking a dynamic Systems Integration Engineer to join our innovative team at Radiant Industries. In this role, you will be responsible for designing, implementing, and optimizing integrated systems that enhance operational efficiency and performance. You will collaborate closely with cross-functional teams to ensure seamless integration of complex systems.As a Systems Integration Engineer, you will have the opportunity to work on exciting projects that push the boundaries of technology and innovation. Your expertise will be essential in analyzing system requirements, developing integration strategies, and troubleshooting any issues that arise.

The ESS Test and Evaluation Engineer role at Ensco, Inc. offers an exciting opportunity to contribute to the field of engineering in a dynamic and innovative environment. You will be responsible for developing, implementing, and executing test plans, ensuring that all systems meet rigorous quality standards. Your expertise in testing methodologies will be essential in evaluating system performance and identifying necessary improvements.

Senior Mechanical Engineer - Fluid SystemsRadiant Industries is on the lookout for an enthusiastic and experienced Senior Mechanical Engineer specializing in Fluid Systems. This pivotal role involves overseeing the design and development of critical Kaleidos fluid systems, guiding projects from initial design to production. These systems are essential for converting reactor core heat into electrical power.As a key member of our engineering team, you'll engage in trade studies, component selection, thermal hydraulic analysis, piping design, vendor evaluation, assembly, and rigorous testing. Your contributions will play a vital role in launching the first new commercial reactor design in over 50 years by 2026.Responsibilities:Lead the engineering process for fluid systems and components, including compressors, valves, and heat exchangers.Conduct complex thermal and fluid analyses to inform design choices, validate system performance, and maintain structural integrity using hand calculations and finite element analysis tools.Perform trade studies to enhance system performance and fulfill program requirements.Create and implement manufacturing and assembly instructions along with test plans.Manage and maintain a comprehensive Bill of Materials (BOM).Identify and cultivate relationships with suppliers for all components.Oversee the design, manufacturing, and testing schedules for subassemblies.Conduct risk analysis (FMEA) for subsystems.Gather requirements and provide guidance and constructive feedback to engineers across various disciplines.Qualifications:Bachelor’s degree in Mechanical, Materials, Aeronautical, Civil, or Structural Engineering from an accredited institution.Proven experience in fluid system architecture design.A minimum of 4 years of experience in designing, building, and testing fluid systems.In-depth knowledge of fluid dynamics and thermodynamics.Solid understanding of heat exchanger design and analysis techniques.

About VardaLow Earth orbit is open for business. Varda is pioneering the development of commercial space infrastructure, ranging from in-orbit pharmaceutical processing to economical reentry capsules.From critical pharmaceuticals to advanced fiber optics, numerous products essential on Earth can only be produced in the unique environment of space. Varda is at the forefront of innovation in the orbital economy, establishing both the products and infrastructure necessary for space to significantly benefit life on Earth. Our mission is to expand the economic frontiers of humanity.Our team is exceptionally equipped to achieve this ambition, comprising veterans from SpaceX, Blue Origin, leading pharmaceutical firms, and Silicon Valley. Varda was founded in January 2021 by Will Bruey and Delian Asparouhov, backed by prominent investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.With headquarters in El Segundo, California, Varda operates offices and a production facility where our vehicles, equipment, and materials are designed, integrated, and tested, and we also maintain offices in Washington, DC, and Huntsville, AL.Join Varda and be part of creating a thriving in-space ecosystem.

About VardaLow Earth orbit is open for business. Varda is at the forefront of developing commercial space infrastructure, ranging from in-orbit pharmaceutical manufacturing to cost-effective reentry capsules.With the potential to create life-saving pharmaceuticals and advanced fiber optics, Varda is pioneering innovations that will enable the orbital economy to directly enhance life on Earth. Our mission is to expand the economic frontiers of humanity.Our team is composed of industry veterans from SpaceX, Blue Origin, leading pharmaceutical firms, and Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda has garnered support from distinguished investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Headquartered in El Segundo, California, we operate from our offices and production facility where our vehicles, equipment, and materials are designed, integrated, and tested. We also have locations in Washington, DC and Huntsville, AL.Join Varda to help create a thriving in-space ecosystem.About This RoleVarda is on the lookout for a Senior Systems Engineer, Flight Safety to act as the lead architect for mission safety and reentry compliance. As part of our Mission Assurance team, you will spearhead the development of Flight Safety Analysis and the regulatory strategy essential for FAA Part 450 and Range Safety licensing. This is a highly collaborative position that connects various functions across the organization.

About Matter IntelligenceAt Matter Intelligence, we are pioneering the future of vision AI with a revolutionary sensor that can perceive molecular chemistry, temperature, and 3D shapes, all integrated into a Large World Model. This innovative system doesn't merely capture images; it comprehensively understands information from a single pixel, which we proudly term as Superintelligent Vision.Join a team of experts who have successfully delivered advanced technologies to Mars for NASA/JPL, co-founded and led infrastructure for OpenAI, developed cutting-edge sensors for U.S. Defense, and created foundational algorithms for spectral and 3D imaging. Together, we are constructing the next generation of infrastructure for vision and intelligence in our physical world.About the RoleWe are on the lookout for a skilled Senior Systems Engineer to take ownership of the end-to-end technical architecture, integration, and mission assurance for a complete remote-sensing space system. In this role, you will act as the technical authority, ensuring that all mission components—from payload and spacecraft to launch, ground operations, and beyond—are cohesively aligned to provide transformative Earth-observation capabilities.Your responsibilities will encompass leading mission systems engineering, orchestrating subsystem integration, maintaining the technical baseline, driving critical design and verification decisions, and guiding the engineering team throughout the entire lifecycle. Your contributions will significantly impact mission feasibility, performance, and long-term operational success.

About Radiant IndustriesRadiant Industries, headquartered in El Segundo, CA, is pioneering the development of the world’s first mass-produced portable nuclear microreactors. Our flagship reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor designed for mobility, capable of providing power for up to five years without the need for refueling. This innovative technology serves as a sustainable alternative to diesel generators, delivering essential power to hospitals, data centers, remote sites, and military bases. Leveraging modern software engineering and advanced materials, we aim to revolutionize nuclear energy. Founded in 2020, we are poised to test our inaugural reactor at the Idaho National Laboratory in the coming year, with commercial deployments targeted for 2028.About the RoleWe are looking for a dynamic and driven early-career Mechanical Engineer to join our team and contribute to the design and integration of electrical systems within our innovative projects. In this role, you will collaborate with seasoned mechanical and electrical engineers to tackle complex challenges related to packaging, thermal management, structural design, and overall system integration for cutting-edge hardware. This position offers a unique opportunity for hands-on experience throughout the entire hardware development process, from CAD design and analysis to testing and validation, all while supporting our mission to successfully launch the first commercial nuclear reactor in over five decades by 2026.Responsibilities & DutiesContribute to the mechanical design and oversight of electrical components and subsystems, including:Designing mechanical assemblies for electrical components such as control panels, enclosures, brackets, mounts, and supports.Routing and securing cables and wiring harnesses, ensuring strain relief, compliance with bend radius, and serviceability.Integrating sensors, actuators, connectors, and electrical hardware within limited spaces.Creating 3D CAD models and 2D drawings using Siemens NX, including tolerance stack-ups and GD&T fundamentals.Conducting initial load calculations (static, shock, vibration) to guide structural design.Performing thermal analyses and heat transfer evaluations for electrical components and assemblies.Assisting in the selection of suitable materials, fasteners, and finishes based on electrical, thermal, and environmental considerations.

Join cx2 as an Electromagnetic Warfare Systems Engineer, where you'll play a pivotal role in designing, developing, and implementing advanced electromagnetic systems. You will collaborate with a dynamic team of engineers to tackle complex challenges and innovate cutting-edge solutions that enhance national security.

About Radiant IndustriesRadiant Industries, based in El Segundo, CA, is pioneering the development of the world's first mass-produced, portable nuclear microreactors. Our flagship product, Kaleidos, is a 1-megawatt, fail-safe microreactor designed for mobility and operational longevity, capable of running for up to five years without refueling. This groundbreaking technology is set to replace diesel generators in various critical applications, including hospitals, data centers, remote locations, and military bases. Our innovative approach integrates modern software engineering with nuclear development to deliver safe, factory-produced microreactors using proven materials. Founded in 2020, Radiant is preparing to test its inaugural reactor at the Idaho National Laboratory next year, with customer deliveries commencing in 2028.Position Overview: Control Systems Test EngineerWe are looking for a driven and meticulous Control Systems Test Engineer to join our dynamic team. In this crucial role, you will take charge of developing, maintaining, executing, and automating comprehensive test cases throughout the testing lifecycle for our reactor control systems. You will work collaboratively with systems engineers, controls developers, and software teams to uphold the highest standards of quality and reliability in our safety-critical control software.Key ResponsibilitiesAnalyze and assess control system Simulink models and related design documents to gain insights into system behavior and expected performance.Interpret system requirements for the reactor control system to establish thorough test coverage.Create and manage detailed test artifacts, including:Unit test casesSoftware-in-the-Loop (SiL) test casesHardware-in-the-Loop (HiL) test casesHardware test casesConduct all testing phases:Unit testingSiL testingHiL testingFull hardware testingAutomate testing workflows for SiL, HiL, and hardware test cases utilizing scripting languages such as Python or Go (Golang).Organize and oversee structured test campaigns, including regression suites.

For over 50 years, ENSCO has delivered cutting-edge engineering, scientific, and advanced technology solutions to both government entities and private sectors across the globe.At ENSCO, we take pride in our commitment to pioneering advanced technologies that ensure mission success. Our team excels in systems engineering, integration, and advanced technology services that enhance the safety, security, and resilience of critical operations on land, in the air, in space, and within the interconnected information systems that link these domains.Learn more about ENSCO.Position DescriptionENSCO Inc. is on the lookout for a talented SATCOM Requirements Systems Engineer to join our dynamic systems engineering team. This pivotal role involves defining the next generation of space communication systems tailored to support the United States Space Force (USSF) satellite communications. The selected candidate will engage in Systems Engineering & Integration (SE&I) activities within a multidisciplinary and collaborative setting. Key responsibilities include interfacing and working alongside SE&I team members, contractors, government personnel, and USSF representatives. The candidate will lead and facilitate multiple working groups, driving technical discussions, identifying risks and requirement gaps, creating briefings, documenting action items, and taking meeting minutes.The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) initiative provides state-of-the-art SE&I support for the US Space Force's Space Systems Center (SSC). Our mission is to assist the Space Force in acquiring advanced satellite communications systems that offer global secure, survivable, and protected communications for our nation’s military personnel. We are looking for innovative individuals who thrive in a collaborative environment, utilizing the latest tools and methodologies to address the complexities of integrating advanced space and ground communications systems. This position is based in El Segundo, CA, and includes various responsibilities, such as:Supporting Model-Based Systems Engineering (MBSE) activities to facilitate the development and maintenance of technical requirements.

Rainmaker creates cloud seeding technology aimed at improving water availability and addressing difficult weather patterns. The company’s work brings together radar validation, unmanned aerial systems (UAS), numerical weather modeling, and environmentally mindful seeding materials to help increase precipitation. The engineering team focuses on advancing UAS platforms, developing dispersion payloads, and building both in-situ and remote sensing systems. Projects move quickly and are designed for practical, real-world results. Role overview This Research Engineer in Aerosol & Spray Systems role is suited for those with a background in mechanical or aerospace engineering, especially with expertise in aerosol science, multiphase flow, and compressible fluid dynamics. The position sits at the intersection of cloud physics and advanced fluid systems. Work centers on designing hardware that applies high-velocity gas dynamics to break up nanoparticle agglomerates and atomize liquid precursors into submicron aerosols. Key challenges Efficient dispersion of cohesive dry powders and ultra-fine droplets Managing complex mass transfer and the momentum of particles or droplets Solving mechanical problems while meeting strict aerospace Size, Weight, and Power (SWaP) constraints Location This role is based in El Segundo, CA.

Role Overview Mattel, Inc. is seeking a Senior IT Project Manager focused on Payroll Systems in El Segundo. This position leads IT projects that improve and update payroll processes, with a strong emphasis on efficiency and compliance with current industry standards. What You Will Do Oversee projects aimed at enhancing payroll systems and workflows Work closely with stakeholders to understand requirements and priorities Design and implement solutions that support payroll operations Ensure all payroll systems meet regulatory and industry compliance Drive improvements that support both business needs and employee experience

For over half a century, ENSCO has been at the forefront of providing innovative engineering, scientific, and advanced technology solutions to both government and private sectors globally.At ENSCO, we take pride in our commitment to developing and implementing cutting-edge technologies that ensure mission success. Our services encompass systems engineering, integration, and advanced technology solutions, aimed at enhancing the safety, security, and resilience of critical missions across various domains including terrestrial, aerial, and space, as well as the information systems that connect them.Discover more about ENSCO.Position OverviewENSCO, Inc. is a multifaceted engineering and technology firm dedicated to delivering advanced engineering, scientific, and technology solutions that guarantee mission success, safety, and security for governmental and private entities worldwide. We are currently on the lookout for a seasoned Strategic Senior Acquisition Support Specialist to join our Systems Engineering team, focusing on the next generation of space communications systems for the Space Force Military Satellite Communications. The ideal candidate will be instrumental in supporting Systems Engineering & Integration (SE&I) activities within a dynamic and collaborative environment. This role involves active engagement with SE&I team members, contractors, government employees, and USSF representatives to facilitate effective acquisition management and support.The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) initiative delivers state-of-the-art Systems Engineering & Integration (SE&I) for the Air Force’s Space and Missile Systems Center. Our mission is to support the procurement of advanced Military Satellite Communications systems, providing secure, resilient, and protected communications for our nation's warfighters. We are seeking dedicated technical professionals who thrive in a highly collaborative team environment, utilizing the latest tools and methodologies to address the complexities of integrating intricate space and terrestrial communication systems. This position is based in El Segundo, CA. Key responsibilities include but are not limited to:Advising Program/Project Managers on acquisition strategies, timelines, contracting, budgeting, and execution.Developing, drafting, customizing, and coordinating comprehensive program planning and execution documents in accordance with DoDI 5000.02 / Acquisition Framework, and relevant DoD instructions (DoDI 5000.85 and DoDI 5000.87), along with AF and local unit directives.Assisting in the establishment of the ASP, RFI/Market Research, RPP, milestone statutory and regulatory requirements.

Enterprise Systems Implementation SpecialistJoin Radiant Industries as an Enterprise Systems Implementation Specialist and play a vital role in advancing our Digital Transformation initiatives. This position involves comprehensive evaluation, implementation, and configuration of enterprise systems, particularly focusing on ERP and manufacturing-related systems such as Finance, Supply Chain, WMS, and MES.We are looking for a dynamic candidate who has practical experience in implementing enterprise systems and possesses a solid understanding of manufacturing workflows. The ideal candidate will effectively translate business processes into scalable system solutions, particularly in highly regulated environments.

About Matter IntelligenceAt Matter Intelligence, we are pioneering the future of vision AI by integrating a groundbreaking sensor capable of interpreting molecular chemistry, temperature, and 3D shape with a Large World Model that serves as the most advanced intelligence engine for understanding the physical world. Our innovation goes beyond mere imagery; it comprehensively analyzes data from a single pixel, which we refer to as Superintelligent Vision.Our team is a powerhouse of expertise, having delivered cutting-edge technologies to Mars for NASA/JPL, developed sophisticated sensors for U.S. defense, and constructed foundational infrastructure at OpenAI. We are now venturing into the development of next-generation sensing systems for both space and airborne applications.About the RoleWe are on the lookout for a Senior Optical Systems Engineer who will take charge of the holistic optical performance of intricate electro-optical payloads, overseeing all phases from initial concept and system trades to design, integration, testing, and, where relevant, on-orbit or airborne operations.In this pivotal role, you will serve as the technical authority for optical system performance, adeptly converting mission objectives into optical specifications, guiding the implementation of designs, verifying performance both analytically and experimentally, and facilitating calibration and operations.Collaboration will be key, as you'll engage closely with systems engineering, optomechanical, thermal, electronics, AI&T, and data teams, along with external suppliers and partners.Key ResponsibilitiesOptical System Architecture & TradesDefine and take ownership of optical system architectures for both spaceborne and airborne remote-sensing payloads.Translate mission objectives into precise optical requirements, including resolution, SNR, spectral performance, and stability.Lead comprehensive system-level optical trades regarding aperture, altitude, field of view, spectral bandpass, and detector selection.Support mission-level performance modeling, encompassing radiometric, geometric, and image-quality budgets.Optical Performance AnalysisCreate and maintain thorough optical performance models.Conduct and review analyses including:Radiometry and SNR assessmentsMTF and image quality evaluationsSpectral response and bandpass performance evaluationsSensitivity analyses related to alignment, thermal effects, and structural variations.

Join Vardaspace as a Thermal Hardware Engineer specializing in Passive & Active Control Systems. In this role, you will be at the forefront of innovative thermal management solutions, ensuring the efficiency and reliability of our cutting-edge technologies. Collaborate with a dynamic team to design, develop, and test thermal hardware components that meet rigorous performance standards.

About Varda SpaceUnlocking the Potential of Low Earth Orbit. At Varda, we are pioneering the advancement of commercial space infrastructure, innovating in areas from in-orbit pharmaceutical production to dependable and cost-effective reentry vehicles.With products ranging from life-saving medications to advanced fiber optics, we are committed to developing the technologies that can only be realized in the unique environment of space. Our mission is to enhance the orbital economy, creating products and infrastructure that directly benefit life on Earth.Our team is comprised of industry leaders and experts with backgrounds in SpaceX, Blue Origin, top pharmaceutical firms, and Silicon Valley tech. Founded in January 2021 by visionaries Will Bruey and Delian Asparouhov, we are supported by premier investors such as Khosla Ventures, Lux Capital, Founders Fund, and others.Headquartered in El Segundo, California, Varda features offices and a production facility dedicated to the development and testing of our vehicles, equipment, and materials. Our presence extends to Washington, DC, and Huntsville, AL.Join us at Varda and contribute to building a vibrant in-space ecosystem.

About Matter IntelligenceMatter Intelligence is at the forefront of innovation, developing sophisticated Earth-observation systems that merge cutting-edge sensing technologies with spacecraft and airborne platforms, all powered by artificial intelligence. Our systems provide groundbreaking insights into the physical world, ranging from molecular chemistry to 3D structural analysis, utilized in both spaceborne and airborne missions.Our talented team has successfully delivered advanced technologies to NASA/JPL for Mars missions, designed state-of-the-art sensors for U.S. defense applications, and contributed to foundational systems at OpenAI. We are now embarking on the next phase of evolution in space-based and airborne sensing systems.About the RoleWe are on the lookout for a passionate Early Career Systems Engineer to assist in the architecture, integration, analysis, and verification of airborne and spaceborne remote-sensing systems. This position is perfect for recent graduates eager to gain comprehensive experience with real hardware that operates in flight, while honing their systems engineering skills.You will collaborate closely with senior systems engineers and subsystem leaders across various domains (optics, electronics, avionics, mechanical, software, AI&T) to help define requirements, manage interfaces, support integration and testing processes, and ensure achievement of system-level performance metrics.This role promotes a hands-on learning environment, with the opportunity for increased responsibility as you advance.Key ResponsibilitiesSystems Engineering SupportAssist in the development of system architectures for airborne and spaceborne sensing systems.Contribute to the definition, allocation, and traceability of requirements across subsystems.Help create and maintain Interface Control Documents (ICDs).Support system-level trade studies and performance assessments (power, mass, data, timing, pointing).Integration, Test & VerificationAssist in planning and executing system integration activities.Aid in the development of test plans, procedures, and verification matrices.Engage in laboratory integration, functional testing, and field demonstrations.Support the review of test data, anomaly tracking, and documentation processes.Cross-Disciplinary CollaborationCollaborate with teams across optics, mechanical, electronics, and various other disciplines to achieve project goals.