970 Software Engineer Research jobs in Reston,VA

Mid-Level Backend Software Engineer

Leidos

Gaithersburg, MD 20879

~ 36 min OnsiteUrgently HiringPaid Time OffRetirement Benefit

Bachelor's degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master's degree with 2–6 years of experience
US Citizenship
Active TS/SCI with the ability to successfully pass a Polygraph
Professional experience developing object‑oriented applications in Java or Python
Hands‑on experience building and maintaining RESTful APIs
Basic to moderate experience with SQL capability, including writing queries and working with relational databases
Working knowledge of Linux‑based environments
Ability to work independently on defined tasks within established technical frameworks and deliver reliable results

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Sr. Distinguished Applied Researcher

Capital One

Mc Lean, VA 22101

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Project Manager

Terra Constructs

Alexandria, VA 22312

$100,000-$130,000/yr

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Junior Cloud Application Developer

Guidehouse Careers

Washington, DC 20011

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Delivery Consultant - App Mod, WWPS ProServe

Amazon

Herndon, VA 20171

~ 10 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

This position requires that the candidate selected be a US Citizen and obtain and maintain an active TS/SCI security clearance with polygraph.
3+ years of cloud architecture and solution implementation experience
Knowledge of the primary aws services (ec2, elb, rds, route53 & s3)
Bachelor's degree in Computer Science, Engineering, a related field, or equivalent experience
3+ years of software development experience
Current, active US Government Security Clearance of TS/SCI with Polygraph

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Nuclear Engineer

U.S. Navy

Vienna, VA 22182

New, Posted 1 day ago

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Analysis Lead Engineer

QinetiQ

Chantilly, VA 20151

~ 19 min Onsite

Experience in modeling one or more of the critical mission areas: Missile Warning/Missile Tracking/Missile Defense, end-to-end kill chains, and/or communications systems and networks
Experience with AFSIM, Python, and/or STK
Bachelor's degree in science, technology, engineering or mathematics
Minimum of 10+ years experience with satellite and ground systems
Ability to work in fast paced environment with excellent oral and written communication skills.
TS Clearance with SCI Eligibility; @qinetiqclearedjob

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New, Posted 19 hours ago

NAVAL ARCHITECTURE

Department of the Navy - Agency Wide

Fairfax, VA 22030

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Sales Engineer

CoolSys

Reston, VA 20191

Requires TravelEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree in Mechanical Engineering or a related technical field, or equivalent experience.
3+ years of HVAC sales engineering, estimating, or commercial project experience—especially with load calculations, duct, piping, or controls systems.
Deep understanding of HVAC system design, load calculations (e.g., Manual J/D), and interpreting mechanical drawings.
Proficiency with HVAC selection/design software (e.g., AutoCAD, Carrier HAP) and Microsoft Office/CRM platforms.
Strong aptitude for consultative selling, proposal generation, negotiation, and closing deals.
Clear communicator, both written and verbal, capable of engaging technical and non-technical stakeholders.
Self-motivated, organized, detail‑oriented, and able to manage multiple concurrent projects.
Willingness to travel (often 20–70%) for client meetings, site assessments, and events.
Valid driver's license.
Familiarity with industry standards, codes, and energy efficiency programs.
Ability to understand and follow all company policies and procedures and all applicable State and Federal laws.
Ability to use typical business tools including E-Mail, Word, Excel, etc.
Pre-employment background screening (criminal and MVR for driving positions) and drug testing are required for all positions.

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New, Posted 22 hours ago

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