modeling and simulation engineer Jobs in district of columbia

Refine Results
81 - 100 of 216 Jobs

Engineer V

General Atomics

•

Herndon, Virginia, USA

Full-time

Job Summary General Atomics (GA), and its affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted aircraft, airborne sensors, and advanced electric, electronic, wireless and laser technologies. General Atomics Electromagnetic Systems (GA-EMS) designs and manufactures first-of-a-kind electromagnetic and electric power generation systems. GA-EMS' expanding portfolio of specialized products and i
Posted 54 days ago | Updated 11 hours ago

Space Systems Software Engineer

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Space Systems Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated **Space Systems Software Engineer** to join our team and contribute to the development of software solutions for space exploration and satellite systems. In this role, you will design, implement, and test software that supports the operation of spacecraft and space systems, ensuring their functionalit
Posted 60+ days ago | Updated 10 hours ago

Sr. RF and Network Analysis Engineer, Regulatory (Starlink)

SpaceX

•

Washington, District of Columbia, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. RF AND NETWORK ANALYSIS ENGINEER, REGULATORY (STARLINK) At SpaceX we're leveraging our experience in building rockets and spacecraft to deploy Starlink, the world's most advanced broadband internet system. Starlin
Posted 60+ days ago | Updated 11 hours ago

Junior Mechanical Engineer

Leidos

•

Chantilly, Virginia, USA

Full-time

The Multi-Domain Solutions (MDS) division at Leidos is seeking a Junior Mechanical Engineer who will support the planning, design, and analysis of mechanical systems-primarily Heating, Ventilation, and Air Conditioning (HVAC)-for mission-critical operations in government, commercial, and institutional facilities. Working under the guidance of senior engineers, this role involves assisting with system layout, equipment selection, energy modeling, and construction documentation. The ideal candidat
Posted 9 days ago | Updated 11 hours ago

Platform Engineer (AWS / Kubernetes) - Onsite-Secret Clearance

RTX Corporation

•

Sterling, Virginia, USA

Full-time

Date Posted: 2025-05-19 Country: United States of America Location: VA541: 22110 Pacific Blvd, Dulles 22110 Pacific Boulevard Building CC3, Sterling, VA, 20166-6913 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Are you ready to be part of a team whose impact reaches across the globe-and even beyond? Collins
Posted 13 days ago | Updated 11 hours ago

Hardware Design Engineer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Hardware Design Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and innovative Hardware Design Engineer to join our dynamic team. In this role, you will be responsible for designing, developing, and testing hardware components for a variety of cutting-edge projects. You will collaborate with cross-functional teams to create reliable, high-performance systems, ensuring that all hard
Posted 60+ days ago | Updated 11 hours ago

Senior Software Engineer

Modern Technology Solutions

•

Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Software Engineer with experience in Java and JavaScript to join our team in Chantilly, VA. We are a small, but highly empowered team where every team member is directly responsible for the success of our mission. In your role, you will be responsible for designing, implementing, and maintaining software applications across one or more projects using an agile development model. Why is MTSI known as a Great Place to Work? Inte
Posted 27 days ago | Updated 11 hours ago

Network Engineer

Modern Technology Solutions

•

Washington, District of Columbia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Network Engineer to join our team. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry. 100% Em
Posted 60+ days ago | Updated 11 hours ago

Systems Engineer III

Sierra Nevada Corporation

•

Remote or Herndon, Virginia, USA

Full-time

Are you a bold thinker? We dream big at Sierra Nevada Corporation-advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our team! At Sierra Nevada Corporation (SNC) our Systems Engineers deliver customer-focused technology and best-of-breed integrations in the aerospace and defense sectors. The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, c
Posted 36 days ago | Updated 11 hours ago

Senior Engineer / Analyst for ISRT & BMC2 Applications

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Do you enjoy leading teams, mentoring staff, and guiding complex technology development efforts and analyses? Are you interested in researching, developing, and analyzing innovative ways to produce impactful information from many different types of sensors and sources of data? Do you want to advance US defense capabilities in Intelligence, Surveillance, Reconnaissance, and Targeting (ISRT) or Battle Management Command and Control (BMC2)? If so, we're looking for someone like you
Posted 50 days ago | Updated 11 hours ago

Systems Engineer

Nightwing

•

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 60+ days ago | Updated 11 hours ago

Test Engineer - TE 2

Lockheed Martin Corporation

•

Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. You'll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber Lockheed Martin Who we are: Ready to make a real impact in the world of cybersecurity? Join Lockheed Martin Cyber &
Posted 60+ days ago | Updated 10 hours ago

Test Engineer Senior - TE 3

Lockheed Martin Corporation

•

Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. You'll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber Lockheed Martin Who we are: Ready to make a real impact in the world of cybersecurity? Join Lockheed Martin Cyber &
Posted 60+ days ago | Updated 10 hours ago

Flight Software Engineer, Surface Maritime

Aduril Industries

•

Washington, District of Columbia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 14 days ago | Updated 11 hours ago

Space Systems Engineer

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Space Systems Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and innovative **Space Systems Engineer** to join our team and contribute to the design, development, and integration of cutting-edge space systems. In this role, you will work on the development of spacecraft and satellite systems, ensuring their functionality, performance, and reliability for space missions. You wil
Posted 60+ days ago | Updated 10 hours ago

Spacecraft Comms Engineer

Aerospace Corporation

•

Chantilly, Virginia, USA

Full-time

The 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 cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,
Posted 60+ days ago | Updated 11 hours ago

Software Engineer

Modern Technology Solutions

•

Fort Meade, Maryland, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking Software Engineers to join our team in the Ft Meade, MD or San Antonio, TX area in support of a government organization essential to U.S. national security. You will develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requ
Posted 51 days ago | Updated 11 hours ago

Communications Systems Engineer

Parsons Services Company

•

Herndon, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Job Description: Parsons is looking for an amazingly talented Communications System
Posted 27 days ago | Updated 11 hours ago

Senior Model Based Systems Engineer

Draper

•

Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 26 days ago | Updated 11 hours ago

Senior Engineer / Analyst for ISRT Scientific Applications

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Do you enjoy leading teams, mentoring staff, and guiding complex technology development efforts and analyses? Are you interested in researching, developing, and analyzing innovative ways to produce impactful information from many different types of sensors and sources of data? Do you want to advance US defense capabilities in Intelligence, Surveillance, Reconnaissance, and Targeting? If so, we're looking for someone like you to join our team at APL! We are seeking a creative and
Posted 60+ days ago | Updated 11 hours ago