NewSupervisory Mechanical Engineer U.S. Department of the InteriorSupervisory Mechanical EngineerWashington, DC$146,848–$182,316 / yearSpecified academic courses -- Successful completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences and that included the courses specified in the basic requirements under paragraph A. The courses must be fully acceptable toward meeting the requirements of an engineering program as described in paragraph A. Related curriculum -- Successful completion of a curriculum leading to a bachelors degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelors degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. Land Management Workforce Flexibility Act (LMWFA): If you are applying under LMWFA, you must submit ALL Appointment AND Termination SF-50s for EACH appointment verifying the Position Occupied code 1-Competitive Service (block 34); AND Documentation of satisfactory performance for each period of temporary employment claimed, such as, performance evaluations, memorandum of record, whereas the supervisor(s) documented an acceptable performance level for a specified rating/employment period.
Staff Mission Lead Systems Engineer Muon Space incStaff Mission Lead Systems EngineerWashington, DC$205,000–$230,000 / yearTo conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. You will be the primary technical interface with customers and cross-functional team leads to develop requirements and ICDs, work with other Systems Engineers to perform system modeling, develop test plans with AI&T teams, and identify and reduce risk across the program with Program Managers.
Facility Engineer - National Harbor Tolin MechanicalFacility Engineer - National HarborForest Heights, MD$24–$26 / hourGeneral Description: Tolin Mechanical, an established, well recognized and respected HVAC service contractor, is looking for an experienced Facility Engineer to join our team in the Mid-Atlantic/National Harbor region. Ideal candidates will have the following qualifications: Demonstrated ability to develop rapport and productive working relationships with clients, vendors, and co-workers.
Facility Engineer Tolin MechanicalFacility EngineerForest Heights, MD$30–$35 / hourGeneral Description: Tolin Mechanical, an established, well recognized and respected HVAC service contractor, is looking for an experienced Facility Engineer to join our team in the Mid-Atlantic region. We provide centralized support from our Denver headquarters, so our field teams can focus on doing what they do best-solving problems and keeping clients comfortable.
Facility Engineer - National Harbor Tolin Mechanical Systems CompanyFacility Engineer - National HarborOxon Hill, MD$24–$26 / hourGeneral Description: Tolin Mechanical, an established, well recognized and respected HVAC service contractor, is looking for an experienced Facility Engineer to join our team in the Mid-Atlantic/National Harbor region. Ideal candidates will have the following qualifications: Demonstrated ability to develop rapport and productive working relationships with clients, vendors, and co-workers.
Facility Engineer Tolin Mechanical Systems CompanyFacility EngineerOxon Hill, MD$30–$35 / hourGeneral Description: Tolin Mechanical, an established, well recognized and respected HVAC service contractor, is looking for an experienced Facility Engineer to join our team in the Mid-Atlantic region. We provide centralized support from our Denver headquarters, so our field teams can focus on doing what they do best-solving problems and keeping clients comfortable.
Senior Process Engineer - Equipment CatalentSenior Process Engineer - EquipmentHarmans, Maryland$94,000–$128,000 / yearAbility to perform the physical requirements of the role, including equipment inspections, tool and instrument operation, occasional lifting up to 40 pounds, work in confined spaces, use of PPE, and extended periods of standing, walking, or computer-based work. Coordinate with vendors, contractors, purchasing, and network sites to support maintenance, repairs, procurement activities, and site-wide engineering initiatives, including off-shift or weekend support as needed.
Senior Process Engineer - Equipment Catalent IncSenior Process Engineer - EquipmentMD$94,000–$128,000 / yearAbility to perform the physical requirements of the role, including equipment inspections, tool and instrument operation, occasional lifting up to 40 pounds, work in confined spaces, use of PPE, and extended periods of standing, walking, or computer-based work. Coordinate with vendors, contractors, purchasing, and network sites to support maintenance, repairs, procurement activities, and site-wide engineering initiatives, including off-shift or weekend support as needed.
Senior RF Systems Engineer SDR Two Six Technologies IncSenior RF Systems Engineer SDRHerndon, VA$145,353–$218,030 / yearSalary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements. Degree in Computer Engineering, Electrical Engineering, Mathematics, Physics, Computer Science, or equivalent practical, military, or intelligence community experience.
Principal Engineer, State Estimation (R4602) Shield AI IncPrincipal Engineer, State Estimation (R4602)Washington, DC$270,000–$400,000 / yearThis role requires deep expertise in state estimation theory, extensive practical experience implementing ownship navigation systems in the aerospace domain, and strong software development skills for production-quality navigation code. The engineer will design and implement a unified navigation architecture that supports traditional GNSS/IMU fusion while being extensible to all-source navigation strategies incorporating diverse sensing modalities for GPS-degraded and denied environments.
Principal Software Engineer VTG.Principal Software EngineerHanover, MD$200,000–$245,000 / yearAs a Principal Software Engineer supporting mission-essential national security initiatives, you will design, develop, integrate, and maintain secure, high-performance software solutions that enable critical intelligence, defense, and operational missions. Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, Mathematics, or a related technical discipline.
Senior Software Engineer VTG.Senior Software EngineerHanover, MD$200,000–$245,000 / yearAs a Senior Software Engineer supporting mission-essential national security initiatives, you will design, develop, integrate, and maintain secure, high-performance software solutions that enable critical intelligence, defense, and operational missions. Collaborate with systems engineers, hardware engineers, signal-processing engineers, and other technical stakeholders to define requirements, interfaces, performance expectations, system capabilities, and project limitations.
Senior Systems Engineer - MARYLAND, DELAWARE OR Washington, D.C. Motorola Solutions IncSenior Systems Engineer - MARYLAND, DELAWARE OR Washington, D.C.Washington, DCRemote$100,000–$115,000 / yearEngineer multi-faceted projects requiring a wide range of technical skills including, but not limited to: coverage and capacity design, microwave system analysis, RF LMR system and BDA design, WAN network design, and knowledge of Motorola ASTRO systems. Conduct frequent and detailed interactions with customers and consultants to facilitate design reviews, system staging and acceptance testing events, coverage acceptance testing, live system upgrades, and troubleshooting efforts.
Mechanisms Flight Engineer AST Space MobileMechanisms Flight EngineerLanham, MDThe role owns the execution and validation of flight operations procedures for deployment and actuation events, including commanding and monitoring mechanisms, validating timelines and mode transitions, rehearsing commissioning activities, and reproducing on-orbit conditions in the lab to support anomaly investigation and resolution. Experience: Minimum 3+ years of hands-on experience in spacecraft integration and test, flight hardware operations, mission operations, or related engineering disciplines involving mechanism control systems, actuators, or complex electromechanical systems.
Energy Engineer Delaware Nation IndustriesEnergy EngineerArlington, VirginiaIn support of the core responsibilities of the division, the following requirements, working conditions, and administrative duties apply generally to all personnel under this task order: Project Documentation: Review technical submittals, prepare reports, draft meeting notes, and provide technical input supporting OBO statements of work, criteria, specifications, cost estimates, contract support materials, and other documents as directed by the program office. As the single real property manager for the planning, acquisition, design, construction, operations, maintenance, and disposal of U.S. government's diplomatic and consular properties overseas, OBO's portfolio spans over 280 worldwide missions and over 80,000,000 square feet of functioning property.
Data Center BESS Principal Engineer Fluence EnergyData Center BESS Principal EngineerArlington, VirginiaDeep knowledge of data center electrical infrastructure and project delivery (e.g., MV/LV distribution, substations, UPS and backup generation interfaces, protection schemes, commissioning) and how a utility‑scale BESS integrates at the site or grid level. Expertise to engage deeply with engineering and operations teams on topics such as medium-voltage electrical distribution, load profiles, interconnection, power quality, controls/integration, and project execution constraints.
Senior DevOps Engineer STRSenior DevOps EngineerArlington, VA$134,000–$184,000 / yearThe Real-time Architectures, Integration, and Demonstration (RAID) Group focuses on transition of algorithms from concept to real-time software, providing open architecture expertise, and facilitating integration of capabilities for experimentation, test, and deployment. BS, MS, or PhD in Computer Science, Computer Engineering, Electrical Engineering, or a related field with relevant experience depending on degree (BS +5 years, MS +3 years, PhD +1 year).
Service Engineer - Service Enablement AST Space MobileService Engineer - Service EnablementLanham, MDThis person works across ground station sites applying consistent, version-controlled configuration practices, and acts as a Service Enablement feature owner - defining acceptance criteria and KPIs for network/RF features, leading readiness reviews, planning validation from lab through in-orbit test (IOT) to production, and ensuring a clean technical handover to Operations, Service Delivery, and Service Assurance. This role sits at the intersection of RF systems engineering, satellite payload configuration, and ground segment operations, responsible for configuring, validating, and troubleshooting satellite RF configuration against link budget and RF chain requirements, and for tracing anomalies back through telemetry, IQ captures, and LTE/RAN counters to root cause.
NewFirmware Engineer (Sr.) Quadrant IncFirmware Engineer (Sr.)Herndon, VACollaborate with hardware, systems, software, and optical engineers to define interfaces, resolve design issues, and ensure seamless system integration. Experience with code reviews, automated linting, synthesis, regression testing, timing closure, bitstream generation, and release tagging.
Senior Software Engineer (Signal Processing) STRSenior Software Engineer (Signal Processing)Arlington, VAApplicable domain experience in one or more of the following areas: Electronic Warfare, Antenna Apertures, Sensor Resource Management, Large-Scale Platform Test Systems, Cyber Physical Systems, Open System Architectures (UCI, OMS, COARPS). The Systems Development Division (SDD) delivers technology advantage into users' hands by delivering capabilities focused on end-customer needs that function in operationally relevant environments and timeframes.