UNKNOWN

FEED

The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Assist Project Managers with various aspects of project management, including project planning, cost management, scheduling, quality management, contract administration, and safety management.

Legence Corp

Project Engineer

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The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Where pay ranges are indicated, please note that a successful candidate's exact pay will be determined based relevant job-related factors, including any of the following: candidate's experience, skills, and qualifications, as well as geographic and market considerations.

YEAR

Data Engineer

Experience with nonlinear programming (non-linear programming), direct methods, gradient-based optimization, parameter optimization, genetic algorithms, evolutionary algorithms, heuristic optimization methods, indirect methods, and/or calculus of variations. Graduate level course work, research and/or experience in one or more of the following areas: orbital mechanics, astrodynamics, ascent trajectory modeling, hypersonic flight simulation, optimal control, flight mechanics, and/or trajectory modeling and simulation.

The Aerospace Corporation is a national nonprofit corporation that operates a federally funded research and development center and has more than 4,600 employees. With major locations in Chantilly, Virginia; El Segundo, California; Albuquerque, New Mexico; and Colorado Springs, Colorado, Aerospace addresses complex problems across the space enterprise and other areas of national and international significance through agility, innovation, and objective technical leadership. For more information, visit www.aerospace.org.

The Aerospace Corp

Flight Dynamics Engineer

BASIC QUALIFICATIONS: Bachelor's degree in computer science, computer engineering, computer security, or a similar field, and 5+ years of professional experience in cybersecurity for active production systems; OR 7+ years of experience in cybersecurity for active production systems. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

Space Exploration Technologies Corp

Sr. Cybersecurity Engineer Starshield

This includes tracking hardware assets from procurement through deployment, maintaining configuration records, monitoring system health in coordination with SRE teams, and building the reporting and dashboards that give program leadership visibility into the state of the fleet. Collaborate closely with software engineers and site reliability engineers to ensure deployed hardware is running the correct software baselines, that updates are applied efficiently, and that operational issues are triaged and resolved quickly.

ANDURIL INDUSTRIES

Senior Mission Operations Engineer, Strategic Defense

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The engineer will help the university manage growing data and workflow demands by building interconnected spreadsheets, automated low-code workflows, and dynamic visual dashboards. Strong, practical experience building automated business solutions using Google tools (specifically advanced Google Sheets, AppSheet, Looker Studio, Google Forms, and Google Apps Script).

The Informatics Applications Group Inc

Google Workspace Solutions Engineer

Part of the global Bouygues Construction group, which employs over 35,600 people worldwide, Bouygues Travaux Publics is a recognized leader in civil engineering and major infrastructure development, delivering innovative and sustainable projects across the globe. CBNA notably delivered the Port of Miami Tunnel in 2014 and the Pawtucket CSO Tunnel in 2025, and is currently working on major projects such as the Potomac River Tunnel in the Washington, DC area.

Bouygues SA

QC Engineer/Inspector

Multivariate Data Analysis & Anomaly Detection: Aggregate and correlate complex, high-volume, disparate data streams (e.g., identity lifecycle, physical badge logs, security clearance details, network telemetry, OSINT, endpoint activity, and SaaS logs) to detect anomalous user behavior and construct chronological user timelines. Rather than performing raw application development, you will focus on building robust backend logic, integrating disparate data sources, and engineering automated detection workflows across multiple operational environments-including sovereign delivery, cloud, and corporate infrastructures.

For more than 25 years, Telos Corporation has pursued a single goal: to empower and protect the enterprise with continuous security assurance for people, systems, and information.
 
The Telos work environment encourages creativity, embraces change, and rewards the individual and collective contributions of our employees. At Telos, we realize that our success as a company stems directly from our success as an employer. That is why we are committed to finding, attracting, and keeping the best talent available. We reward expertise with professional growth and opportunity, an excellent salary, and an extensive benefits package. If this appeals to you, we invite you to put Telos on your career path.
 
Headquartered in Ashburn, VA, outside the Washington, D.C. metropolitan area, Telos Corporation is located in the heart of the Dulles technology corridor. We have grown into a worldwide operation of professionals who are world-renowned for their software development, security, integration, and systems management expertise.

Telos Corp

Cyber Security Engineer

You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc.

Sr. Software Engineer Ts/Sci Poly

ADAPTED_NOW

PlatformDIGITAL®, the company’s global data center platform, provides customers with a secure data meeting place and a proven Pervasive Datacenter Architecture (PDx®) solution methodology for powering innovation and efficiently managing Data Gravity challenges. You’ll play a critical role in driving customer success by translating business and technical requirements into engineered solutions, ensuring opportunities progress smoothly while delivering a best-in-class customer experience.

Digital Realty Trust

Sr. Global Solutions Engineer

Ivy Exec

Based in Herndon, VA, this role is focused on advancing Raptor product software by providing direct development contributions as well as working with external customers and Vantor Go-To-Market (GTM) Engineering teams to characterize product performance in the field and capture requirements for product improvements. Communicate and collaborate across product, engineering, and GTM/sales teams to define and validate interfaces and data flows between Raptor products and OEM systems.

Maxar Technologies Inc (Inactive)

Solutions Engineer - New Products

Location: Pentagon or Mark Center (approximately 2x a week) Clearance: Active Secret Clearance Required Employment Type: Fulltime Salaried Experience Level: Experienced/Senior Education: Bachelor’s or Master’s Degree Years of Experience: 3–10 years of directly related experience Position Overview Silverthorne Advisory Group is seeking an Senior Financial Data Engineer to support Department of War (DoW) financial management initiatives. You should be comfortable working with large and complex financial datasets, developing data pipelines and transformation processes, identifying data quality issues, and partnering with stakeholders to translate financial requirements into scalable technical solutions.

Silverthorne Advisory Group

Senior Financial Data Engineer

Based in our Washington, DC, Richmond, Virginia or Philadelphia, Pennsylvania, this role offers hands-on technical growth, exposure to complex engineering challenges, and the chance to collaborate with multidisciplinary teams across North America and globally-all while contributing to work that truly matters. Who We Are: As the largest global pure play sustainability consultancy, we partner with the world's leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations.

ERM International Group Ltd

Consulting Senior Associate, Civil Engineer

Cybersecurity Engineers also have the opportunity to conduct research into novel methods and approaches to managing cybersecurity resilience across all the component disciplines (for example cyber operations, application of artificial intelligence, continuity planning and management, organizational and social implications and mitigations related to cyber incidents and failures). The CA team develops solutions (in the form of frameworks, models, tools, policies, practices, technical guidance, and training) that allow industry, government, and military components to measure and improve their management of operational and technical risks to mission-critical services.

Carnegie Mellon University

Senior Cybersecurity Engineer

This role is ideal for someone who enjoys solving challenging frontend and product engineering problems, mentoring others, and delivering rich, collaborative experiences at scale across a modern web environment that includes TypeScript/JavaScript, React, APIs, and cloud-native services. This platform helps planners, venues, and event stakeholders collaborate to design event spaces, create accurate to-scale layouts, manage seating, and visualize events through interactive floor plans and photo-realistic 3D experiences.

Cvent, Inc.

Lead Software Engineer

Search string: “Device Under Test” OR DUT OR PCBA OR FPGA OR “computer chips” OR “embedded systems” OR microcontroller OR “bench equipment” OR “National Instruments” OR “NI cards” OR oscilloscope OR “spectrum analyzer” OR “power analyzer” OR “signal generator” OR “waveform generator” OR calibration OR instrumentation OR “NIST-traceable” OR HIL OR HWIL OR “hardware-in-the-loop” OR Python OR LabVIEW OR MATLAB OR C++ OR “instrument drivers” OR “test fixtures” OR “RF testing” OR prototyping. In this role, you'll take a customer-designed electrical or mechanical device — the Device Under Test (DUT) — and build the test capability around it: connecting the right bench instrumentation, writing custom automation and analysis in Python and/or LabVIEW, and establishing repeatable, calibrated data that a customer engineer or technician can rely on.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Test Engineer

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You’ll focus on building Booz Allen’s Software-Defined Everything (SDE) platform to enable Physical AI, Edge, Trusted Environments, and other applications across mission domains to autonomously discover, provision, simulate, and deploy these systems. As a seasoned software engineer at Booz Allen, you’ll leverage the latest architectural approaches, open-source frameworks, and advanced tools to deliver comprehensive end-to-end solutions.

Booz Allen is an advanced technology company. We build commercial-grade products and solutions for America’s most critical defense, civil, and national security priorities.

Booz Allen Hamilton

Software Development Engineer

Serve as the STIG subject-matter expert: communicate STIG requirements to engineering, recommend implementation and mitigation approaches, and evaluate, tailor, and defend STIG applicability in negotiation with the customer. Own the solutioning and verify the implementation of security monitoring, logging, and detection; of secure update strategy (signed, atomic, recoverable firmware/OS updates); and of CVE and vulnerability management, even where other teams do the building.

Forterra

Senior Engineer, Product Security

The pay range for the states of California, Colorado, Connecticut, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Ohio, Vermont, Virginia, Washington, and the District of Columbia is: $95,400—$169,000 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Connecticut, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Ohio, Vermont, Virginia, Washington, and the District of Columbia .

Accenture Federal Services

Quality Engineer

GreenHouseAPI

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.

Build Engineer Jobs in Fairfax, VA

Project Engineer Legence Corp

Data Engineer Legence Corp

Flight Dynamics Engineer The Aerospace Corp

Sr. Cybersecurity Engineer Starshield Space Exploration Technologies Corp

Senior Mission Operations Engineer, Strategic Defense ANDURIL INDUSTRIES

Google Workspace Solutions Engineer The Informatics Applications Group Inc

QC Engineer/Inspector Bouygues SA

Cyber Security Engineer Telos Corp

Sr. Software Engineer Ts/Sci Poly Leidos Holdings Inc.

Sr. Global Solutions Engineer Digital Realty Trust

Solutions Engineer - New Products Maxar Technologies Inc (Inactive)

Senior Financial Data Engineer Silverthorne Advisory Group

Consulting Senior Associate, Civil Engineer ERM International Group Ltd

Senior Cybersecurity Engineer Carnegie Mellon University

Lead Software Engineer Cvent, Inc.

Test Engineer Leidos

Software Development Engineer Booz Allen Hamilton

Senior Engineer, Product Security Forterra

Quality Engineer Accenture Federal Services

Senior Mechanical Engineer II Rocket Lab Corporation

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