Junior Mechanical Engineer
1 week ago
Mechanical Engineer – Mission-Critical Facilities DesignLeidos is seeking a driven and detail-oriented Junior level Mechanical Engineer to support the planning, design, and analysis of mechanical systems—primarily Heating, Ventilation, and Air Conditioning (HVAC)—for secure, mission-critical operations across government, commercial, and institutional facilities. This is a growth-focused role where you'll work alongside senior engineers to develop high-performance, energy-efficient, and code-compliant systems that support 24/7 operations.If you're passionate about mechanical engineering, eager to learn through mentorship, and ready to contribute to projects that matter, we want to hear from you.What You'll DoAssist in the design and layout of HVAC systems, including ductwork, piping, ventilation, and equipment selection for high-availability environments.Prepare and maintain construction drawings and specifications using AutoCAD, Revit MEP, or similar tools.Support system load calculations, energy modeling, and equipment sizing using tools like Trace 700, HAP, or eQUEST.Participate in field surveys, site investigations, and facility condition assessments.Assist with commissioning, testing, and balancing to ensure optimal system performance.Review submittals, respond to RFIs, and support construction administration activities.Ensure all designs meet applicable codes and standards (ASHRAE, NFPA, IBC, IMC, LEED).Maintain organized documentation including technical memos, reports, and as-built drawings.Gain hands-on experience with Building Management Systems (BMS) for centralized control of HVAC, lighting, and life safety systems.Collaborate with electrical, architectural, and structural teams to deliver integrated solutions.Basic QualificationsCurrent Top Secret SCI security clearance and the ability to pass a polygraph.Bachelor's degree in Mechanical Engineering or related field2–4 years of relevant experience with a Bachelor's, or
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Senior Mechanical Engineer
1 week ago
Chantilly, Virginia, United States E K Fox & Associates Full time $120,000 - $160,000 per yearINSPIRED.COMMITTED.CONNECTED.These are the qualities of our work—and of the people who do it. If these qualities are part of your life, too, you'll want to explore a career at EKFox.As part of our creative, can-do team, you'll have the chance to realize your full potential through a wide range of challenging engineering assignments. You can take pride in...
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Junior Project Engineer
1 week ago
Chantilly, Virginia, United States Latitude Full time $50,000 - $70,000 per yearOverview: We are seeking a detail-oriented and motivated Junior Project Engineer to join our growing Land Development team. This role is ideal for recent graduates or early-career professionals who have internship or hands-on experience in land development engineering. You will work closely with senior engineers and project managers to support the...
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Junior Systems Engineer
1 week ago
Chantilly, Virginia, United States Arcfield Full time $60,000 - $90,000 per yearResponsibilitiesArcfield is hiring a junior Systems Engineer to support a dynamic team providing end-to-end Systems Engineering and Integration (SE&I) services to a National Customer.What You'll Get to Do with Us (Duties and Responsibilities):Collaborate with other engineers to develop end-to-end models of complex systems to include architecture and behavior...
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Facilities Mechanical Engineer
7 days ago
Chantilly, Virginia, United States Leidos Full time $104,000 - $189,175 per yearDescriptionJob DescriptionWe are seeking a highly experienced Senior Mechanical Engineer to lead the design, maintenance, and configuration management of site building mechanical systems. The ideal candidate will bring strong technical knowledge, creativity, and leadership to site projects involving air handlers, chillers, boilers, pumping systems, and many...
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Junior Cloud Engineer
6 days ago
Chantilly, Virginia, United States Strategic Business Systems, Inc Full time $60,000 - $120,000 per yearLocation: Onsite in Chantilly, VA.***This position requires US citizenship with the ability to be clearable*** U.S. Citizenship required with ability to obtain a security clearance Join our forward-thinking cloud engineering team at SBS, where we build and support secure, scalable AWS cloud environments for U.S. Government missions. Our COSMOS platform...
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Senior Mechanical Engineer
2 days ago
Chantilly, Virginia, United States V2X Full timeOverview:Working across the globe, V2X builds smart solutions designed to integrate physical and digital infrastructure from base to battlefield. We bring 120 years of successful mission support to improve security, streamline logistics, and enhance readiness. Aligned around a shared purpose, our $3.9B company and 16,000 people work alongside our clients,...
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Junior Solution Epic Owner
1 week ago
Chantilly, Virginia, United States Mobius LLC Full time $80,000 - $120,000 per yearMobius is an award winning, Small Business Administration (SBA) certified Historically Underutilized Business Zone (HUBZone) company and certified Woman-Owned Small Business (WOSB) providing engineering, analytical, and programmatic expertise to the Federal Government and commercial customers. Our mission is to provide innovative advanced technology...
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IC 2026 Junior Full Stack Engineer
7 days ago
Chantilly, Virginia, United States The Aerospace Corporation Full timeThe Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space— delivering innovative solutions that span satellite, launch, ground, and...
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MBSE - Systems Engineer (Junior)
5 days ago
Chantilly, Virginia, United States Peraton Full time $66,000 - $106,000 per yearAbout PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our...
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Junior Full Stack Developer
2 days ago
Chantilly, Virginia, United States AnaVation Full timeBe Challenged and Make a Difference In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through innovative solutions and an engaging culture. Description of Task to be Performed:We are seeking a motivated Junior...