Average salary: $140,473 /yearly

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  •  ...infrastructure sizing calculations (HVAC ducts, piping, load calculations) utilizing standard tools (i.e. MS Excel) and specialized software (CFD, HAP, Trace CDS) Perform controls design including creating mechanical system sequences of operations, PID diagrams, and points... 
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    Full time
    Part time
    Remote work

    Synchronicity Engineering, LLC

    Washington DC
    a month ago
  • Johns Hopkins Applied Physics Lab is seeking a motivated Junior Space Kill Chain Analyst to join a high-impact team focused on advanced modeling for space warfare. Candidates will perform detailed analyses using 6DoF simulations and develop trade space studies, while collaborating...
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    Johns Hopkins Applied Physics Lab

    Laurel, MD
    3 days ago
  • $100k

    Overview Are you searching for an opportunity to apply your modeling and simulation analysis background in an engaging, collegiate environment? Are you passionate about analyzing complex problems with state of the art software and computing capabilities? If so, then the...
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    Interim role

    The Johns Hopkins University Applied Physics Laboratory

    Laurel, MD
    19 hours ago
  • Job Description Job Description Computational Physics, Inc. (CPI) is looking for an Electrical Engineer to support our customers at the U.S. Naval Observatory, Washington DC . Background The U.S. Naval Observatory (USNO) is responsible for the creation,...
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    Temporary work
    For contractors
    Flexible hours

    Computational Physics, Inc.

    Washington DC
    18 days ago
  • $115k - $125k

    Tetrad Digital Integrity (TDI) is a leading-edge cybersecurity firm with a mission to safeguard and protect our customers from increasing threats and vulnerabilities in this digital age. TDI is seeking a  Firewall Engineer  to support the Compartmented Enterprise Services...
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    Permanent employment
    Full time
    Contract work
    Temporary work
    Work at office

    Tetrad Digital Integrity LLC

    Arlington, VA
    2 days ago
  • ORAU is offering a NASA Postdoctoral Program opportunity in Greenbelt, Maryland, focused on research in Heliophysics. Candidates will analyze data from various missions, including STEREO and Parker Solar Probe. A Doctorate in plasma physics or related fields is essential...
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    ORAU

    Greenbelt, MD
    4 days ago
  • Join the Johns Hopkins Applied Physics Laboratory as a Junior Space Kill Chain Analyst. This entry-to-mid-level position focuses on advanced modeling and simulations for space warfare, allowing you to contribute to national security missions while deepening your technical...
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    Johns Hopkins Applied Physics Laboratory

    Laurel, MD
    1 day ago
  • $21.05 - $35.05 per hour

    Johns Hopkins Applied Physics Laboratory seeks a Security Officer to support day-to-day security operations. Responsibilities include verifying identification, patrolling facilities, and writing reports. Candidates should have a high school diploma, one year of experience...
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    Hourly pay
    Shift work

    Johns Hopkins Applied Physics Laboratory

    Laurel, MD
    1 day ago
  • The Johns Hopkins University Applied Physics Laboratory (APL) is seeking an experienced RED Mission Area Executive Administrator to provide high-impact administrative support for the Mission Area Executive. You will coordinate day-to-day operations, manage calendars, travel...
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    The Johns Hopkins University Applied Physics Laboratory

    Laurel, MD
    2 days ago
  • $85k - $165k

    Johns Hopkins Applied Physics Lab in Laurel, Maryland, is seeking engineers specializing in aerospace or mechanical engineering to work on missile and reentry systems. As part of the team, you will utilize modeling and simulation tools, participate in evaluations, and ...
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    Johns Hopkins Applied Physics Lab

    Laurel, MD
    3 days ago
  • The Johns Hopkins University Applied Physics Laboratory (APL) invites professionals to join the Human System Engineering team to design and implement military systems. You will work cross-functionally to develop human-machine warfighting capabilities and bridge gaps in...
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    The Johns Hopkins University Applied Physics Laboratory

    Laurel, MD
    2 days ago
  • Johns Hopkins Applied Physics Laboratory (APL) seeks an experienced scientist or engineer to advance remote sensing, applied spectroscopy, and EO/IR instrumentation. As part of the Optics and Photonics Group, you will model, analyze data, and build prototype systems for...
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    Remote work

    Johns Hopkins Applied Physics Laboratory

    Laurel, MD
    2 days ago
  • The Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland invites a 2026 PhD Graduate to join the Vehicle Design and Technologies Group to research and translate advanced vehicle technologies into capable programs supporting national needs. You will model...
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    The Johns Hopkins University Applied Physics Laboratory

    Laurel, MD
    2 days ago
  • The Johns Hopkins Applied Physics Lab in Laurel, Maryland, is seeking a post-doctoral fellow specializing in 2D materials and electronic devices. This role focuses on developing innovative electronic devices for real-world energy conversion applications. The ideal candidate...
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    Johns Hopkins Applied Physics Lab

    Laurel, MD
    4 days ago
  • The Role: The position will have a significant and immediate impact on our national security by leveraging capabilities, expertise and experience from across STR. We believe that each candidate has a unique set of skills, experiences, and perspectives that could enable...
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    Part time
    Local area
    Immediate start
    Night shift

    STR

    Arlington, VA
    21 hours ago
  • We are seeking a Scientific, Engineering, and Technical Assistance (SETA) Support Specialist to join our team in support of a government research organization dedicated to investing in high-risk, high-payoff research programs to tackle some of the most difficult challenges...
    Work experience placement
    Remote work

    Barone Consulting

    Bethesda, MD
    1 day ago
  • $95.5k - $181.7k

    Location: US-VA-ARLINGTON-111 ~ 1300 17Th St N ~ BBN ARLINGTON Date Posted: 2026-06-17 Country: United States of America Position Role Type: Onsite U.S. Citizenship and Security Clearance Requirements: Active and transferable U.S. government‑issued security clearance is...
    Temporary work
    Flexible hours
    Night shift

    RTX

    Arlington, VA
    4 days ago
  • $105.49k - $158.24k

    Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to...
    Full time
    Part time
    Local area

    Arcadis

    Arlington, VA
    2 days ago
  • $32 - $42 per hour

    JLL empowers you to shape a brighter way. Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them...
    Hourly pay
    Daily paid
    Full time
    Work experience placement
    Work at office
    Local area
    Monday to Friday

    JLL

    Washington DC
    2 days ago
  • $233k - $320k

    About the Team STR’s Analytics & C2 (AC2) Division develops novel technologies to solve challenging national security problems through advanced analytics, sense-making, and autonomy technologies. Our team consists of passionate, motivated individuals with backgrounds and...
    Full time
    Local area
    Remote work
    Flexible hours
    Night shift

    STR

    Arlington, VA
    3 days ago
  • Description Are you looking for a unique opportunity to impact significant advances to the nation's groundbreaking integrated air and missile defense (IAMD) systems? Are you an engineer driven to expand your skills in order to solve both current and emerging needs of the...
    Temporary work
    Work experience placement
    Interim role
    Relocation package
    Flexible hours

    Johns Hopkins Applied Physics Lab

    Laurel, MD
    2 days ago
  • $340 per month

    IDA has an immediate opening in the Science, Systems, and Sustainment Division (S3D) for a Research Analyst with PhD-level subject‑matter expertise, competitive data analysis/computational skills, and a genuine interest in applying technical strengths to the national security...
    Local area
    Immediate start
    Remote work
    Relocation package
    Flexible hours

    RPMGlobal

    Alexandria, VA
    2 days ago
  • $100k

    Description Are you a "systems thinker" with systems engineering experience that wants to create impact on nationally important defense programs? Do you love working with a group of dedicated technical specialists? We are looking for someone like you to join our team at...
    Temporary work
    For contractors
    Work experience placement
    Relocation package
    Flexible hours

    Johns Hopkins Applied Physics Lab

    Laurel, MD
    1 day ago
  • Computational Physics, Inc. (CPI) is looking for a Radio Astronomer to support our customers at USNO, Washington DC . ABOUT THE POSITION The successful candidate will support the Radio Optical Reference Frame Division in its mission to define and maintain the...
    Temporary work
    For contractors
    Flexible hours

    Computational Physics

    Washington DC
    8 days ago
  • $40 per hour

    A technology company is seeking a Graduate Physics Research Intern to assist in training AI models by evaluating their logic and outputs. This role requires an expert understanding of physics, with an emphasis on responsibilities such as presenting complex physics problems...
    Hourly pay
    Internship
    Remote work

    DataAnnotation

    Washington DC
    4 days ago
  • $134k - $184k

    STR is hiring a Senior Reverse Engineer who has a passion for research and analysis of vulnerabilities in cyber physical systems. Work must be performed onsite. What you'll do: Reverse engineering complex software or firmware targets, ranging from...
    Full time
    Work experience placement
    Local area
    Night shift

    STR

    Arlington, VA
    1 day ago
  • $30.65 - $36.06 per hour

    Job Title Operating Engineer Job Description Summary Responsible to ensure the efficient operation and maintenance of mechanical, electrical and plumbing equipment and systems for the assigned property(s). Responsibilities include (but are not limited to) maintaining...
    Minimum wage
    Full time
    Apprenticeship
    Work experience placement
    Work at office
    Local area
    Immediate start
    Flexible hours
    Shift work

    Cushman & Wakefield

    Washington DC
    3 days ago
  • $120k - $140k

    The Junior Engineer will work on high-visibility, high-dollar national security programs focused on sensing and advanced systems. This role is built for engineers and scientists who are highly motivated, want to learn quickly, and are comfortable operating in a fast-paced...
    Hourly pay
    Contract work
    Local area

    Amentum

    Arlington, VA
    2 days ago
  • $85k

    Description Are you enthusiastic about utilizing your analytical and technical skills to design and assess advanced weapon systems that support military warfare initiatives? Are you a systems thinker with experience in systems engineering who is eager to make a significant...
    Temporary work
    For contractors
    Work experience placement
    Interim role
    Relocation package
    Flexible hours

    Johns Hopkins Applied Physics Laboratory

    Laurel, MD
    3 days ago
  • $105k

    Description Are you searching for an opportunity to apply your AFSIM modeling and simulation experience to analyze interesting and complex problems with innovative software and computing capabilities? As a Senior AFSIM Analyst you will… Develop, evaluate, and analyze models...
    For contractors
    Interim role

    Johns Hopkins Applied Physics Laboratory

    Laurel, MD
    1 day ago