Mechanical Engineer | Data Center Solutions Siltt LLCMechanical Engineer | Data Center SolutionsLeesburg, VAFull timeThe ideal candidate will have a robust understanding of mechanical engineering principles, extensive experience with high-density cooling systems throughout the design and operations lifecycle, field experience in operations and maintenance (O&M) of complex mechanical systems, and hungry to apply all facets of this expertise across the spectrum of high-density data center infrastructure. Stay abreast of the latest industry trends, emerging technologies, and innovative best practices in the rapidly evolving field of data center mechanical engineering, and proactively identify opportunities to leverage new advancements to enhance the reliability, efficiency, and sustainability of data center infrastructure.
Test Engineer Integrated Resources, IncTest EngineerAshburn, VirginiaTemporary2 -3 years' experience with embedded device pen-testing, network vulnerability testing (Firewall/Router/Switch), vulnerability research, firmware and/or source code analysis, WebApp auditing (OWASP Top 10), Protocol Fuzzing and encryption & hashing. Job Description: • Responsibilities include overall integration and testing of In-Home Networking products (Broadband Home Routers, Set Top Boxes, digital media devices, 802.11a/b/g/n/ac wireless devices etc.) and services.
UAS Integration Engineer Heven AeroTechUAS Integration EngineerWinchester, Virginia$75,000–$125,000 / yearPerform hands-on mechanical and electrical integration of UAS subsystems including payload interfaces, dropping mechanisms, sensors, and comms hardware onto multirotor platforms. Title: UAS Integration Engineer Company: Heven AeroTech Location: Winchester, Virginia FLSA: Exempt About Our Company: At Heven AeroTech (Heven), we don’t just believe in the power of people—we build our success on it.
Ground Systems Engineer LV8D SolutionsGround Systems EngineerChantilly, VABachelor's degree in Systems Engineering, Software Engineering, Computer Engineering, Electrical Engineering, Aerospace Engineering, Computer Science, or a related technical discipline. Interested candidates need to thrive in an innovative, fast-paced environment; are highly motivated and not afraid to take on uncharted territory; possess strong communication, leadership, and organizational skills; and be able to prioritize their time to be effective in a dynamic environment.
Spacecraft Operations and Systems Integration Engineer LV8D SolutionsSpacecraft Operations and Systems Integration EngineerChantilly, VALV8D Solutions is an elite Systems Engineering and Technical Advisory (SETA) company that delivers advanced systems engineering, integration, acquisition, mission operations, network communications, and cybersecurity support to our defense and intelligence customers. We specialize in every aspect of our customers’ space and ground mission systems while offering exceptional work-life balance and an exemplary compensation and total rewards package designed to recruit, train, and retain top talent and committed to national defense and career growth.
Exercise Execution Systems Engineer LV8D SolutionsExercise Execution Systems EngineerChantilly, VALV8D Solutions is an elite Systems Engineering and Technical Advisory (SETA) company that delivers advanced systems engineering, integration, acquisition, mission operations, network communications, and cybersecurity support to our defense and intelligence customers. LV8D Solutions is seeking an Exercise Execution Systems Engineer to lead the development of exercise concepts, test objectives, execution plans, and performance assessments while collaborating across the Department of War (DoW), Intelligence Community (IC), and international partner organizations.
Machine Learning Engineer UnissantMachine Learning EngineerAshburn, VAFull timeThis role is well suited for a technically strong professional who enjoys building and improving models, partnering across Agile teams, and supporting the delivery of innovative capabilities from early concept through deployment and ongoing performance optimization. The ideal candidate will bring hands-on experience in machine learning, advanced analytics, and AI-driven product development, with the ability to turn complex data into practical, mission-focused solutions.
Senior System Engineer Quadrant, Inc.Senior System EngineerChantilly, VASenior and Subject Matter Expert Engineers to provide SETA (Systems Engineering & Technical Assistance) support to a government program office responsible for the development and deployment of a space-based Air Moving Target Indicator (AMTI) system. Support Model-Based Systems Engineering (MBSE) and digital engineering efforts, including system performance modeling and multi-sensor integration.
System Engineer SME Quadrant, Inc.System Engineer SMEChantilly, VASenior and Subject Matter Expert Engineers to provide SETA (Systems Engineering & Technical Assistance) support to a government program office responsible for the development and deployment of a space-based Air Moving Target Indicator (AMTI) system. Support Model-Based Systems Engineering (MBSE) and digital engineering efforts, including system performance modeling and multi-sensor integration.
Staff/ Senior Avionics Engineer ElectraStaff/ Senior Avionics EngineerManassas, VAOur Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. The role requires a hands-on engineering approach, contributing to design, integration, testing, and troubleshooting activities throughout the development lifecycle while helping maintain strong engineering rigor, reliability, and compliance.
Senior Substation Engineer QTS Realty Trust, Inc.Senior Substation EngineerAshburn, VAThis role will interface and collaborate with many critical stakeholders, including but not limited to: energy leaders responsible for utility contracts and negotiations; utility engagement developing relationships with utilities; pre-development leads evaluating new properties; operations leaders managing load growth projections; and development team project leaders planning and building new data centers and substations. Lead design life cycle of high voltage substations performed under EPC contracts, including studies, procurements, and development of construction deliverables.
NewSenior Microgrid Controls Engineer Eaton CorporationSenior Microgrid Controls EngineerManassas, VA$86,000–$126,000 / yearWhat you'll do: As part of our Microgrid Controls Team, you will design, develop, test, implement and commission Microgrid Control solutions consisting of Solar Photovoltaic (PV), Battery Energy Storage Systems (BESS), Diesel/Natural Gas and Generators for our customers, using Automation Controllers, HMI's, Multi-function Protection Relays, and Data Concentrators from all major OEM's. After making a conditional offer and running a background check, if Eaton is concerned about conviction that is directly related to the job, you will be given the chance to explain the circumstances surrounding the conviction, provide mitigating evidence, or challenge the accuracy of the background report.
NewSenior PCB Drafter - RF & Power Boards CACI International Inc.Senior PCB Drafter - RF & Power BoardsDulles, VA$90,300–$189,600 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Qualifications: Required: Associate's degree in Electronics, Drafting, Engineering Technology, or related field and a minimum of 7 years of PCB drafting/layout experience (or equivalent combination of education and experience).
MEP Engineer Holder ConstructionMEP EngineerManassas, VirginiaRequired: Bachelor’s degree in mechanical engineering, electrical engineering, construction management, related field, or equivalent experience. Experience developing project scopes and schedules, coordinating change orders and RFIs, and managing project budgets and cost control.
Engineer Holder ConstructionEngineerAshburn, VirginiaRequired: Bachelor’s degree in mechanical engineering, electrical engineering, construction management, related field, or equivalent experience. Experience developing project scopes and schedules, coordinating change orders and RFIs, and managing project budgets and cost control.
Senior Engineer Holder ConstructionSenior EngineerManassas, VirginiaRequired: Bachelor’s degree in mechanical engineering, electrical engineering, construction management, relevant field, or relevant experience. Holder Construction is a nationally recognized leader in the construction industry, consistently ranked among the top firms on ENR’s Top 400 Contractors list.
MEP Senior Engineer Holder ConstructionMEP Senior EngineerAshburn, VirginiaRequired: Bachelor’s degree in mechanical engineering, electrical engineering, construction management, relevant field, or relevant experience. Holder Construction is a nationally recognized leader in the construction industry, consistently ranked among the top firms on ENR’s Top 400 Contractors list.
NewHardware Engineer Macpower Digital Assets Edge Private LimitedHardware EngineerWarrentom, VA$125,000–$150,000 / yearAs part of a small, multidisciplinary team , you will contribute to the development of next-generation communications technology through design reviews, trade studies, and hands-on hardware testing . Job Overview: Our client is seeking a highly motivated Hardware Engineer to design, implement, integrate, and test digital and RF systems , focusing on communication devices .
Sr. ICT Infrastructure Design Engineer (Low Voltage) MeadeSr. ICT Infrastructure Design Engineer (Low Voltage)Ashburn, VA$145,400–$174,800 / yearYou'll design the cabling, pathways, and telecom rooms that data centers and mission-critical buildings run on: fiber/copper backbone routing, rack elevations, conduit systems, and construction drawings in Revit. Develop outside plant (OSP) designs including underground conduit systems, pull boxes, handholes, and site conduit routing in coordination with civil and electrical disciplines.
Senior Reverse Engineer Precision SolutionsSenior Reverse EngineerLeesburg, VirginiaThey develop proprietary, bare-metal security software and lead high-stakes research initiatives to protect critical infrastructure, defense assets, and global enterprise hardware from weaponized, low-level exploits. Operating like an elite, zero-bureaucracy research lab, they offer deep practitioners a pure, low-level reverse engineering environment focused on solving the industry's most complex binary-layer challenges.