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Jr Engineer Jobs in Reston, VA (NOW HIRING)

Castalia Systems

Data Engineer - Jr

Chantilly, VA · On-site

$127K - $135K/yr

The Data Engineer utilizes a diverse range of data-focused skills, experience, deep technical and analytical problem solving, and team-centered solutioning for complex problems to satisfy priority ...

Castalia Systems

Data Engineer - Jr

Chantilly, VA

$127K - $135K/yr

The Data Engineer utilizes a diverse range of data-focused skills, experience, deep technical and analytical problem solving, and team-centered solutioning for complex problems to satisfy priority ...

Peraton

Jr Malware Engineer

Arlington, VA · Hybrid

$86K - $138K/yr

As a Junior Malware Reverse Engineer , you'll work handson with malicious binaries, support active cyber operations, and contribute to defensive strategies that protect critical government systems.

Peraton

Jr Malware Engineer

Arlington, VA · Hybrid

$86K - $138K/yr

As a Junior Malware Reverse Engineer , you'll work handson with malicious binaries, support active cyber operations, and contribute to defensive strategies that protect critical government systems.

Steely

Jr System Engineer

Reston, VA

This entry-level position will work with our established team of engineers, focused on day-to-day IT responsibilities, and growing your Linux and networking skill set. Our solutions allow you to ...

Steely

Jr System Engineer

Reston, VA

This entry-level position will work with our established team of engineers, focused on day-to-day IT responsibilities, and growing your Linux and networking skill set. Our solutions allow you to ...

Chenega Corporation

Jr Systems Engineer

Vienna, VA

Summary Jr. System Engineer Vienna, Virginia Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional ...

Steely

Jr System Engineer

Reston, VA · On-site

This entry-level position will work with our established team of engineers, focused on day-to-day IT responsibilities, and growing your Linux and networking skill set. Our solutions allow you to ...

Chenega MIOS

Jr Systems Engineer

Vienna, VA

Req ID: 40522 Summary Jr. System Engineer Vienna, Virginia Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where ...

Dexian DISYS

Developer-Java/J2EE Senior

Mclean, VA

$58.75 - $75/hr

Ability to review and comment on Jr Developers design. * 2+ years of hands-on experience in Spring Framework (Spring Boot), CI/CD frameworks, Apigee, Autosys/Shell scripting. * Java presentation ...

Dexian

Developer-Java/J2EE Senior

Mclean, VA · On-site

$57.75 - $73.75/hr

Ability to review and comment on Jr Developers design. * 2+ years of hands-on experience in Spring Framework (Spring Boot), CI/CD frameworks, Apigee, Autosys/Shell scripting. * Java presentation ...

KBR

Jr Cost Analyst

Chantilly, VA

Jr Cost Analyst Belong. Connect. Grow. with KBR ... KBR's National Security Solutions team provides high-end engineering and advanced technology ...

KBR, Inc.

Jr Cost Analyst

Chantilly, VA · On-site

Jr Cost Analyst Belong. Connect. Grow. with KBR ... KBR's National Security Solutions team provides high-end engineering and advanced technology ...

WONESE

Java J2ee Development Lead

Mclean, VA · On-site

Ability to review and comment on Jr Developers design. * 2-3 years of experience in setup of automated Continuous Integration and Continuous Delivery of JEE applications using the listed or ...

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All JobsJr Engineer JobsJr Engineer Jobs in Reston, VA

Jr Engineer information

See Reston, VA salary details

$34.9K

$74.7K

$113.9K

How much do jr engineer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for jr engineer in Reston, VA is $74,697.00, according to ZipRecruiter salary data. Most workers in this role earn between $50,500.00 and $83,200.00 per year, depending on experience, location, and employer.

What is the difference between Jr Engineer vs Mechanical Engineer?

AspectJr EngineerMechanical Engineer
Required CredentialsDiploma or Bachelor's in EngineeringBachelor's or higher in Mechanical Engineering
Work EnvironmentEntry-level, supervised tasks, site or officeDesign, analysis, project management, often more autonomous
Employer & Industry UsageConstruction, manufacturing, engineering firmsDesign firms, manufacturing, R&D, industrial sectors

Jr Engineers typically hold diplomas or bachelor's degrees and perform supervised tasks in construction or manufacturing environments. Mechanical Engineers usually have a bachelor's or higher degree and handle design, analysis, and project management roles. While Jr Engineers focus on learning and supporting projects, Mechanical Engineers take on more complex responsibilities and autonomous work.

What are the key skills and qualifications needed to thrive as a Jr Engineer, and why are they important?

To thrive as a Jr Engineer, you need a solid understanding of engineering fundamentals, problem-solving abilities, and a relevant degree in engineering or a related field. Familiarity with industry-standard software like AutoCAD, MATLAB, or SolidWorks, and an understanding of project management tools or safety standards, is often required. Strong communication, teamwork, and a willingness to learn are essential soft skills that help Jr Engineers grow and adapt. These skills enable Jr Engineers to contribute effectively to projects, collaborate with senior staff, and develop professionally within engineering teams.

What are some common challenges faced by Jr Engineers when transitioning from academic projects to real-world engineering tasks?

Jr Engineers often find that real-world engineering projects involve more collaborative work, tighter deadlines, and the need to follow established processes and documentation standards compared to academic assignments. Adjusting to working within a team, understanding project management tools, and effectively communicating with senior engineers and other departments can be challenging at first. However, with mentorship and hands-on experience, Jr Engineers quickly develop these skills and become valuable contributors to their teams.

What are Jr Engineers?

Jr Engineers, or Junior Engineers, are entry-level professionals who assist in designing, developing, and maintaining engineering projects under the supervision of senior staff. They typically perform tasks such as drafting plans, conducting tests, collecting data, and troubleshooting issues in their field of engineering. Jr Engineers gain hands-on experience while learning industry standards and best practices, and their role serves as a foundation for career growth in engineering. They usually have a relevant degree or diploma and may work in fields like civil, mechanical, electrical, or software engineering.
What are popular job titles related to Jr Engineer jobs in Reston, VA? For Jr Engineer jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Jr Engineer jobs in Reston, VA look for? The top searched job categories for Jr Engineer jobs in Reston, VA are:
What cities near Reston, VA are hiring for Jr Engineer jobs? Cities near Reston, VA with the most Jr Engineer job openings:
Jr Engineer jobs near you
Infographic showing various Jr Engineer job openings in Reston, VA as of June 2026, with employment types broken down into 96% Full Time, 3% Part Time, and 1% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $74,697 per year, or $35.9 per hour.
Data Engineer - Jr

Data Engineer - Jr

Castalia Systems

Chantilly, VA • On-site

$127K - $135K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 11 days ago

Job description

Job Type: Full- Time
Clearance: TS/SCI with a CI Poly
Must be a U.S. Citizen
Job Summary
Castalia Systems is seeking a Data Engineer-Junior to support one of our government customers in Chantilly, Virginia. The Data Engineer utilizes a diverse range of data-focused skills, experience, deep technical and analytical problem solving, and team-centered solutioning for complex problems to satisfy priority information enabling operations. This position requires strong attributes for problem solving, data analysis, troubleshooting, analytical thinking, and experimentation, often under time sensitive decisions.
Roles and Responsibilities
  • Utilize statistical techniques to analyze and extract relevant information from large amounts of data
  • Automate and optimize data extraction, cleaning, processing and analysis functions
  • Develop, validate, and implement data models to solve problems/answer questions
  • Develop and implement novel statistical approaches to address complex issues
  • Perform data science/engineering with little guidance and independently write reports detailing methods, results, and impacts to assigned issues
  • Support in the acquisition of systems, software, and data science related capabilities. experience performing data science/engineering work and writing reports based upon the resulting work/accomplishments
  • Proficiency in statistics packages such as SPSS, SAS, S-PLUS, and R
  • Programming skills sufficient to extract, transform, and clean multi-terabyte databases
  • Significant current experience (i.e., within last 2 years) in data science/engineering work

Required Qualifications
  • Bachelor of Science Degree in Science, Technology, Engineering, or Mathematics
  • 0 - 5+ years of progressive, relevant work experience.
  • Develop and implement methods of automation and optimization of data and products to present to upper management
  • Demonstrate understanding of statistical analysis such as regression, anomaly detection and clustering
  • Create data packages in the form of databases (DBs), reports, and interactive visualizations
  • Demonstrate effective communication skills to relay data science activities, technical findings, and data products for both technical and non-technical customers
  • Ability to combine a diverse set of data sources containing multiple forms of information including, but not limited to, Open Source, Publicly Available Information (PAI), Commercially Available Information (CAI), and intelligence records to provide technical information to produce data packages
  • Demonstrated ability to use technical and analytic skills to solve complex problem

Preferred Qualifications
  • Hands-on experience using commercially available data exploitation and visualization tools for analysis (e.g., MS Excel, Tableau, Power BI, Wireshark)
  • Knowledge of National Intelligence Agencies and Department of Defense elements
  • Advanced Statistical knowledge and analysis methods (e.g., Linear models, multivariate analysis)
  • Experience in analytical tool development, identification, and integration
  • Master's degree in a science related field

Physical Requirements/Work Environment
  • Normal office environment.

Travel
  • CONUS and OCONUS travel may be required. (10%)

Company Description
Castalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application.
With our vast knowledge of our customers' needs and relevant technology, our team is able to bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so it's so evident when you compare us with anyone.
Compensation
At Castalia Systems, we provide you with opportunities and choices and support your total well-being. Our benefits include: Medical, dental, vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too. All regularly scheduled employees working at least 30 hours per week are eligible to participate in Castalia Systems' benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits.
Salary at Castalia Systems is determined by various factors, including but not limited to location, position knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $127,500.00 to $135,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Castalia Systems' total compensation package for employees.
Disclaimer
Castalia Systems is an equal employment opportunity and affirmative action employer and strives to comply with all applicable laws prohibiting discrimination based on race, color, creed, sex, sexual orientation, age, national origin, or ancestry, physical or mental disability, veteran status, marital status, HIV-positive status, as well as any other category protected by federal, state, or local laws. All such discrimination is unlawful, and all persons involved in the operations of the company are prohibited from engaging in this type of conduct.

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