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You will provide technical leadership across multiple testing disciplines and high-impact assignments, ensuring quality engineering practices are integrated across applications, APIs, cloud platforms, data pipelines, and distributed systems. Develop and maintain formal testing artifacts including test plans, test cases, test scripts, test scenarios, Test Analysis Reports (TARs), Test and Evaluation Management Plans (TEMP), and release readiness reports.

YEAR

Revolutional, LLC

Lead Test Engineer

GreenHouseAPI

The Systems and Operations Department (L626) within MITRE's Systems Engineering Division in the Center for Engineering and Analysis delivers innovative, mission-focused solutions using a multidisciplinary systems engineering approach to address sponsor challenges critical to national security missions. Basic Qualifications: Typically requires less than 1 year of related experience with a Bachelor of Science in Systems Engineering, Electrical Engineering, Aerospace Engineering, Physics, Computer Engineering or a related degree and applicable internship(s) or academic projects.

The MITRE Corporation

Associate Systems Engineer

ea_via_bold

Key responsibilities include: Discovering system protection needs by assessing mission impacts, identifying relevant threats, determining required security services, evaluating applicable constraints, and documenting system protection requirements. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Huntington Ingalls Industries is America’s largest military shipbuilding company and a provider of professional services to partners in government and industry. For more than a century, HII’s Newport News and Ingalls shipbuilding divisions in Virginia and Mississippi have built more ships in more ship classes than any other U.S. naval shipbuilder. HII’s Technical Solutions division provides a wide range of professional services through its Fleet Support, Integrated Missions Solutions, Nuclear & Environmental, and Oil & Gas groups. Headquartered in Newport News, Virginia, HII employs nearly 37,000 people operating both domestically and internationally.

Huntington Ingalls Industries Inc

Information Systems Security Engineer (ISSE)

The ideal candidate has hands-on experience developing and productizing machine learning solutions and understands how to translate data science prototypes into scalable, production-ready systems. D. degree from an accredited college or university in Advanced Mathematics, Artificial Intelligence, Data Science, Computer Science, Deep Learning or a related discipline.

CyberPoint International LLC

Artificial Intelligence/Machine Learning Engineer Level 2

Specified academic courses -- Successful completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences and that included the courses specified in the basic requirements under paragraph A. The courses must be fully acceptable toward meeting the requirements of an engineering program as described in paragraph A. Related curriculum -- Successful completion of a curriculum leading to a bachelors degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelor's degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. As a Civil Engineer (Highway), you will: Provide advice and guidance on Federal laws, regulations, and FHWA policies applicable to Federal-aid projects within the State DOT project development process, in meetings, telephone contacts, public hearings, field reviews, and visit with State DOT officials and other Federal, State, and local agencies for assigned program areas and in assisting in the implementation of leadership initiatives.

U.S. Department of Transportation

Civil Engineer (Highway) - DIRECT HIRE

Specified academic courses -- Successful completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences and that included the courses specified in the basic requirements under paragraph A. The courses must be fully acceptable toward meeting the requirements of an engineering program as described in paragraph A. Related curriculum -- Successful completion of a curriculum leading to a bachelors degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelor's degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. To ensure your application passes HR validation, you are highly encouraged to combine and upload the following required SF-50 documents into a single PDF: The SF-50 showing when you were originally appointed or promoted to your qualifying grade level (establishing the start of your 52-week timeline) OR subsequent SF-50 (such as a Within-Grade Increase, promotion, or award) dated at least 52 weeks later.

Civil Engineer (Structural) - DIRECT HIRE

Solid grasp of RF propagation and antenna theory, with working RF math: link budgets, power sharing, noise figure, and uplink/downlink balancing. The RF Field Engineer owns the hands-on technical delivery of large in-building DAS and managed networks, from first site survey to commissioning, close-out, and ongoing performance.

Airtower

RF Field Engineer

OTHER

This hands-on role bridges day-to-day end-user support and platform engineering execution: resolving Tier II–IV macOS and endpoint-management issues, supporting onsite users through walk-up and appointment-based requests, and independently carrying out engineering work—application packaging, configuration profile development, security compliance, vulnerability remediation, and change deployment—under the direction of the Senior Mac Systems Engineer and Mac Systems Architect. Ability to gather requirements, build test cases, and validate changes on test devices before fleet deployment; strong documentation skills; and effective collaboration across cross-functional teams (cybersecurity, Windows desktop management, field support, and government / contractor leadership).

Akima, LLC

MAC Engineer II

[AW]-iCims

Position Overview: The Tactical Network Engineer provides hands-on engineering and technical support for Army tactical communications systems, ensuring reliable integration and operation across complex network environments. Troubleshooting & Operational Support: Perform Tier 1/2 diagnostics and fault isolation across tactical network systems; resolve issues or coordinate escalation for complex engineering challenges.

NETSEA Technologies

NS-Tactical Network Engineer

Fibertek, Inc. is a leading developer of laser and electro-optic systems for the aerospace community, with key contributions to lasers for atmospheric sensing, laser communications, and lidar sensors for NASA, DoD, and commercial customers. Collaborate closely with hardware, systems, software, and optical engineers in cross-functional teams to define interfaces, resolve design issues, and ensure seamless system integration.

TalentRemedy

Firmware Engineer

Support the Agile software development lifecycle following SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting and leveraging tools such as JIRA and Confluence to track activities. Based in a DevOps framework, this role participates in and/or directs major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing.

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.

Software Engineer

Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. You will be responsible for physically setting up sensors at remote sites, configuring systems for On-The-Move (OTM) operations, and analyzing data streams to ensure maximum effectiveness against small, low-profile targets.

CACI provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&amp;P SmallCap 600 Index, CACI provides dynamic careers for over 15,800 employees working in over 120 offices worldwide. Visit <a href="http://www.caci.com" target="_blank" itemprop="url" mns_rt="Company">www.caci.com</a>. 
 
 We strive to sustain a corporate culture based on integrity - one that's focused on treating customers ethically and making their priorities our priorities. We pride ourselves in finding and hiring people with the highest intellectual capital, and providing them with challenging opportunities and encouraging their innovation and initiative.

CACI

Field Systems Engineer (Radar/C-UAS)

Modeling and Simulation activities will support the development and validation of requirements, Concepts of Operations (CONOPs), architecture products, and the development and integration of simulation and analysis tools for space system resilience-related activities in the overall Enterprise. Interface with customers, directorate/office representatives, and across system engineering groups to drive resolution plans and strategies for complex technical challenges.

When you become part of the When you become part of the KBR team, your opportunities are endless. As a leading global technology, engineering, procurement and construction company serving the hydrocarbons and government services industries. For decades it has been the company that customers turn to for their most challenging assignments.
 
With operations in 40 countries, KBR has more than 25,000 people delivering services to customers in over 70 countries. Together they represent an unmatched reservoir of talent and experience in a wide range of markets.
 
Whatever the assignment, no matter how complex or demanding, KBR can marshal resources across every product line to respond quickly and effectively to changing markets and customer needs.
 
Whether it's providing the technology and consulting know-how to develop our customers' valuable assets; designing and constructing the infrastructure and facilities to develop energy resources in some of the world's more remote and challenging locations; providing support and services for men and women of their countries' armed forces; or navigating the intricacies of undertaking major projects in geopolitically or culturally sensitive environments, our clients depend on KBR because they know that We Deliver.
 
Join us and you'll be part of a dynamic, elite team of professionals who understand what it takes to get a job done and has the experience, knowledge and determination to succeed.”

KBR Inc

MBSE Systems Engineer

Sr. Software Engineer

Mbse Systems Engineer

Support spacecraft integration and testing efforts, including the design of Electrical Ground Support Equipment (EGSE), flatsats for functional testing, and satellite flight hardware testing. This role requires an interest in hands-on lab work, and working cross functionally with the mechanical, software, AI&T, and systems engineering teams.

Hawkeye360

RF Electrical Engineer

Support spacecraft integration and testing efforts, including the design of Electrical Ground Support Equipment (EGSE), flatsats for functional testing, and satellite flight hardware testing. This role requires strong RF and Electrical Engineering expertise working cross functionally with the mechanical, software, payload, and systems engineering teams.

Senior RF Electrical Engineer

KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. KBR is seeking a Senior Electrical Engineer to support the design, development, integration, and validation of electrical systems across commercial and industrial programs.

Senior Electrical Engineer

This role involves designing and optimizing data solutions, implementing the Medallion Architecture, managing data governance through Unity Catalog, and supporting CI/CD processes for reliable data deployments. Seeking for a Databricks Data Engineer with experience building scalable data pipelines using the Databricks Lakehouse Platform, PySpark, and SQL.

Validation Engineer Jobs in Mclean, VA

Lead Test Engineer Revolutional, LLC

Associate Systems Engineer The MITRE Corporation

Information Systems Security Engineer (ISSE) Huntington Ingalls Industries Inc

Artificial Intelligence/Machine Learning Engineer Level 2 CyberPoint International LLC

Civil Engineer (Highway) - DIRECT HIRE U.S. Department of Transportation

Civil Engineer (Structural) - DIRECT HIRE U.S. Department of Transportation

RF Field Engineer Airtower

MAC Engineer II Akima, LLC

NS-Tactical Network Engineer NETSEA Technologies

Firmware Engineer TalentRemedy

Software Engineer Leidos Holdings Inc.

Field Systems Engineer (Radar/C-UAS) CACI

MBSE Systems Engineer KBR Inc

Sr. Software Engineer Leidos Holdings Inc.

Mbse Systems Engineer KBR

RF Electrical Engineer Hawkeye360

Senior RF Electrical Engineer Hawkeye360

Senior Electrical Engineer KBR

Databricks Engineer :: Washington, DC (REMOTE) ARK Solutions, Inc.

Principal Software Engineer Leidos Holdings Inc.

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