563 Professional Level Data Engineer jobs in Dumfries,VA

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Mid-Level SQL Engineer

Leidos

Alexandria, VA 22314

~ 28 min OnsitePaid Time OffRetirement Benefit

Bachelor's degree in computer science, Software Engineering, or related field with 4–8 years of experience; or Master's with 2–6 years
US Citizenship
Active TS/SCI with ability to successfully pass a Polygraph
Strong SQL skills, including the ability to write advanced queries (joins, aggregations, subqueries, window functions)
Experience working with enterprise relational databases (PostgreSQL, MySQL, Oracle, etc.)
Background supporting analytics, dashboards, or reporting pipelines
Comfortable working in Linux‑based environments
Proven ability to work independently on data‑centric tasks and ensure data quality

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New, Posted 4 hours ago

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CONOPS Engineer/System Engineer

Gromelski & Associates

Manassas, VA 20110

~ 26 min Onsite

Must have the ability to travel domestically and internationally.
Dynamic interpersonal skills with the ability to communicate via voice and written correspondence.
Appropriate Professional Discretion and interaction with various levels of leadership
Demonstrated Ability to operate and maintain SSN/SSGN/SSBN Imaging Suite.
Must have or be able to obtain and maintain a DoD Secret level security clearance. Must have clearance to begin work
Minimum of 6 year's Navy experience as an Imaging System operator and maintainer
Perform Test and Evaluation efforts for system level testing
Develop and maintain test documentation and procedures
Troubleshoot hardware and software related bugs
Verify and Validate bug resolution
Manage hardware and software configurations
Install and maintain hardware and software
Task-driven with ability to work independently

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New, Posted 16 hours ago

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Senior Data/Visualization Engineer

Leidos

Woodbridge, VA 22193

~ 12 min OnsitePaid Time OffRetirement Benefit

Requires BS and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience, additional years of experience will be accepted in lieu of a degree.
Security Clearance: Active Top Secret / Sensitive Compartmented Information (TS/SCI) required at time of hire.
Certification: Active IAT Level II certification (e.g., Security+ CE, CySA+, GSEC, or SSCP) required.
Citizenship: United States Citizenship is required.
Education - Bachelor's degree in Computer Science, Information Systems, Business Analytics, Statistics, or a related field.
Core Experience: Proven professional track record in data analysis, business intelligence, and building data visualizations for enterprise use.
Domain Knowledge: Familiarity with IT Operations and sustainment, including a strong understanding of how to identify and apply relevant data to support these functions.
Data Integration / ETL: Experience with data extract, transform, and load (ETL) techniques using disparate structured and unstructured data sources.
Technical Proficiency: Advanced hands-on experience with Power BI (including DAX and Power Query) and MicroStrategy (including Dossiers and standard reporting).
Database Skills: Strong command of SQL and experience querying complex relational databases and data warehouses.
Communication: Excellent verbal and written communication skills, with the ability to present technical data findings clearly to non-technical audiences.

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New, Posted 1 day ago

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Systems Integration Engineer

ManTech

Stafford, VA 22554

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Systems Engineer (ISR Systems)

Pantheon Data

Bryans Road, MD 20616

Hybrid~ 53 minEducation Assistance

Bachelor's in Engineering/Physics
10+ years ISR, networking, and SATCOM experience.
Expertise in RF, IP networking, and sensor systems.
Experience with MATLAB, Cameo, and federal acquisition.
Ability to work effectively remotely in cross-functional teams.
Ability to meet deadlines and produce quality work.
Proficient in Microsoft Suite software including Outlook, Word, Excel, SharePoint, and PowerPoint.
Active Top Secret Clearance is required at hire.
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements.

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AI/ML Engineer, Mid

BOOZ, ALLEN & HAMILTON

Fort Washington, MD 20744

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Experience with AI, data science, ML engineering, sof tware engineering, data research, or data analytics
Experience with sof tware development or engineering, including in an academic or professional environment
Experience with a programming language, including Python, C#, or Java
Ability to create solutions within a collaborative, cross-functional team environment
Knowledge of big data technologies such as Spark, Hadoop, or Databricks
Ability to develop scripts and programs for converting various types of data into usable formats, and support the project team to scale, monitor, and operate data platforms
Ability to obtain a Secret clearance
Bachelor's degree

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New, Posted 8 hours ago

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Senior System Safety Engineer

SAIC

Fairfax, VA 22030

Remote

Bachelor's degree (minimum) in engineering, physics, or mathematics.
Minimum five (5) years of experience in system safety analysis, hazard/risk assessments, or lifecycle safety engineering roles.
Candidate must be a US Citizen.
Interim clearance required to start with the ability to obtain a secret clearance. SAIC will sponsor the clearance process.
Strong working knowledge of MIL-STD-882E (DoD Standard Practice for System Safety), including its application in system acquisition processes.
Expertise in safety standards, hazard analysis, and mitigation techniques.
Demonstrated capability in technical writing, including system safety documentation and reporting skills.
Knowledge of DoD acquisition processes or equivalent training (e.g., ACQ 101).
Proficiency in tools such as Microsoft Office Suite and modeling/simulation software.

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New, Posted 9 hours ago

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Data Center Security Officer

Securitas

Gainesville, VA 20155

$19.75/hr

~ 32 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Pass a drug screen and background check.
Valid driver's license
Meet all state, county, and municipal licensing requirements for Security Officers.
Must be able to read, write, and speak English.
Proficient Computer Skills: Basic computer knowledge required.
Physical Endurance: Ability to stand and walk for extended periods.

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New, Posted 21 hours ago

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Engineer/Technical Analyst, Submarine Training

Systems Planning and Analysis

Alexandria, VA 22314

~ 28 min Onsite

5 + years of experience working with Navy Submarine Training Program/Project Management
Experience leading a project and interfacing with an end item customer
Demonstrated leadership and strong communication and customer management skills
Proficient in the use of Microsoft Office products, including Word, PowerPoint, and Excel
Active Secret Security DoD clearance and the ability to maintain it throughout employment

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New, Posted 21 hours ago

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