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Junior Engineer United States Jobs

40 Job Offers

Junior Software Engineer
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Altamari Technologies seeks a Junior Software Engineer for full-stack development in Warrenton, VA. You will build mission-critical systems using Java, JavaScript, Python, and Angular. Requires a Bachelor's in CS/CE/EE, strong Java skills, and an active Top Secret clearance. Join a collaborative ...
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United States , Warrenton
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95000.00 - 140000.00 USD / Year
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Altamira Technologies
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Cloud and Infrastructure Junior Engineer
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Join a top-tier ICT team as a Cloud and Infrastructure Junior Engineer in Princeton. With 2–4 years of experience in Azure, AWS, or GCP, you’ll support cloud and on-premises systems, enhance cybersecurity, and drive automation. This role offers hands-on work with Windows Server, Linux, and virtua...
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United States , Princeton
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Not provided
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Renner Brown
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Systems Engineer Junior Level- Part-Time
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Seeking a **Junior-Level Systems Engineer** with an active **TS/SCI Polygraph** for a **Part-Time** role at **Fort Meade**. You will analyze user requirements and develop system architectures within a **DoDAF** framework. This role requires 7+ years of SE experience or a Bachelor’s in a related f...
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United States , Fort Meade
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140000.00 - 172000.00 USD / Year
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Integrity Technology Consultants
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Junior Data Engineer
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Aramark seeks a Junior Data Engineer for a hybrid role in Philadelphia. You will design and build cloud-native data products using Python, SQL, Azure/AWS, and Spark. This position involves owning code for ETL pipelines and real-time streaming. Ideal candidates have 2-5 years of data engineering e...
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United States , Philadelphia
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Not provided
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Aramark
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Software Engineer Junior Level
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Seeking a **Junior-Level Software Engineer** with a **TS/SCI FS Polygraph** for a critical role in Linthicum, MD. You will develop and maintain complex software systems using **Python**, **Docker**, and **Linux**. Leverage **AWS/C2S** and **GitLab/Ansible** pipelines in a secure environment. Join...
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United States , Linthicum
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120000.00 - 150000.00 USD / Year
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Integrity Technology Consultants
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Junior Software Engineer
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Join our team as a Junior Software Engineer in Dayton, OH. You will apply Agile practices and modern tools like Python, Kubernetes, and React while developing secure solutions. Requires a BS in CS or related field and US citizenship to obtain a security clearance. Ideal for candidates eager to gr...
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United States , Dayton
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Not provided
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Altamira Technologies
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Junior Python Engineer
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Join FreeWheel (Comcast) as a Junior Python Engineer in Englewood, CO. Build high-performance, scalable advertising platforms processing millions of transactions per second. Requires 1+ years Python experience and a CS degree. Enjoy comprehensive benefits including paid time off and wellbeing sup...
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United States , Englewood
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Salary
97445.67 - 146168.50 USD / Year
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Comcast Advertising
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Junior R&D Engineer
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We are seeking a hands-on Lab Engineer to oversee daily operations in our Telecom Outside Plant laboratory in Apex, US. You will coordinate with engineering teams to translate Telcordia GR requirements into improved evaluation methods and ensure compliant product testing. Ideal candidates have a ...
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United States , Apex
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Not provided
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CommScope
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Junior Cybersecurity Engineer
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Join a dynamic team as a Junior Cybersecurity Engineer at Hanscom AFB, MA, supporting AFLCMC/ES. This full-time role requires a Top Secret clearance and expertise in RMF, DoDI 8510.01, and security documentation. You’ll conduct risk assessments, manage A&A efforts, and ensure system integrity. En...
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United States , Bedford
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125000.00 - 135000.00 USD / Year
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Astrion
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Software Engineer Junior Level
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Seeking a **Junior-Level Software Engineer** with an active **TS/SCI Full Scope Polygraph** for a role in **Linthicum, MD**. You will develop and maintain complex systems using **Python**, **Django/Flask**, and **MongoDB/MariaDB**. This position offers a competitive benefits package including **2...
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United States , Linthicum
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Salary
100000.00 - 200000.00 USD / Year
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Integrity Technology Consultants
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Software Engineer Junior Level
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Seeking a **Junior-Level Software Engineer** with an active **TS/SCI CI or FS Polygraph** for a critical role at **Fort Meade**. You will develop **AI/ML assisted systems** and customize interfaces with **Large Language Models (LLMs)**. Requires 8+ years of SWE experience, a Bachelor’s in CS, and...
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United States , Fort Meade
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Salary
125000.00 - 155000.00 USD / Year
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Integrity Technology Consultants
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Junior Data Engineer
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Join a dynamic team as a Junior Data Engineer in Morristown, US. You will build and optimize scalable data pipelines using Databricks, Apache Spark, and Delta Lake on Azure. Key skills include SQL, Python, and data modeling with medallion architecture. Enjoy medical, dental, vision, and 401(k) be...
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United States , Morristown
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Not provided
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Robert Half
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Junior Systems Engineer
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Junior Systems Engineer needed for a hybrid role in Tysons, VA, supporting DoD cloud modernization. You will collaborate with Cloud Engineers and Architects on AWS services (EC2, RDS, S3), Infrastructure as Code (Terraform), and automation. Requires a Bachelor’s degree, Security+ and AWS certs (o...
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United States , Tysons
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90000.00 - 100000.00 USD / Year
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Apex Systems
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Junior Systems Design Engineer - Nuclear
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Join a multidisciplinary team as a Junior Systems Design Engineer in Lewis Center, OH, supporting advanced nuclear and regulated industrial applications. You’ll contribute to the full system lifecycle—from concept through testing—while developing expertise in high-reliability systems. Ideal for c...
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United States , Lewis Center
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Not provided
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ATS Automation Tooling Systems Inc.
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Junior Software Engineer
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Join Altamira Technologies as a Junior Software Engineer in Warrenton, VA. You’ll apply full-stack development skills using Java, JavaScript, and Python to build mission-critical systems. Requires a Bachelor’s in CS/CE/EE, strong Java expertise, and an active Top Secret clearance. Enjoy a collabo...
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United States , Warrenton
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Not provided
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Altamira Technologies
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Junior Engineer (Environmental)
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Seeking a **Junior Engineer (Environmental)** in **San Francisco** to perform entry-level civil, mechanical, and environmental engineering work. Ideal for recent graduates with a **baccalaureate degree** in Environmental, Civil, or Chemical Engineering (ABET accredited or with an EIT certificate)...
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United States , San Francisco
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113282.00 - 137670.00 USD / Year
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City and County of San Francisco
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Junior Software Integration/Test Engineer
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Join DCS Corporation in Dayton, OH as a Junior Software Integration/Test Engineer. Support cutting-edge autonomy systems for air platforms, working with containerized services, CI/CD pipelines, and automated testing. Requires a BS in CS/CE/Aerospace Engineering, Git experience, and U.S. citizensh...
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United States , Dayton
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Not provided
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DCS Corporation
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Junior RF Engineer
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Join Amentum as a Junior RF Engineer in Arlington. You will test, evaluate, and integrate DoD systems, performing RF modeling, EMI/EMC analysis, and detailed reporting. This role requires a BSEE degree, U.S. citizenship, and the ability to obtain a Secret clearance. We offer comprehensive benefit...
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United States , Arlington
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70000.00 - 80000.00 USD / Year
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Amentum
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DARPA ACO Junior Engineer – Sweet Emotion Program
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Join DARPA's Sweet Emotion Program as a Junior Engineer in Arlington. Work on cutting-edge national security sensor systems across mechanical, aerospace, electrical/RF, and physics domains. This role requires a Master's degree, 2-7 years' experience, an active Top Secret clearance, and a passion ...
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United States , Arlington
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120000.00 - 140000.00 USD / Year
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Amentum
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Junior Software Integration/Test Engineer
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Join our Aerospace Technology team in Dayton, Ohio, as a Junior Software Integration/Test Engineer. You will test cutting-edge autonomous systems, utilizing Python, Git, and CI/CD pipelines within an Agile environment. This role requires U.S. Citizenship, a relevant BS degree, and offers benefits...
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United States , Dayton
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Not provided
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DCS Corporation
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About the Junior Engineer role

Launch your technical career with Junior Engineer jobs, the essential entry point for graduates and early-career professionals into the dynamic world of engineering and technology. This broad category encompasses a variety of specializations, including software, systems, support, sales, and mechanical engineering, each offering a unique path to apply academic knowledge to real-world challenges. At its core, a Junior Engineer role is a foundational position designed for learning, growth, and contributing to a team under the guidance of experienced professionals.

Individuals in these jobs typically engage in a mix of hands-on technical tasks, collaborative projects, and continuous learning. Common responsibilities across many specializations include assisting in the design, development, and testing of systems or software; providing technical support and troubleshooting issues; maintaining documentation; and participating in code reviews or technical meetings. For client-facing roles like Sales or Support Engineering, duties often involve interpreting technical requirements, liaising with internal teams and customers, and helping to prepare proposals or quotations. The unifying thread is the application of engineering principles to solve problems, optimize processes, and support the delivery of products or services.

To succeed in Junior Engineer jobs, a blend of technical aptitude and soft skills is paramount. Typically, a bachelor’s degree in a relevant field such as Computer Science, Engineering, Information Technology, or a related discipline is a standard requirement. Foundational technical skills vary by specialty but may include programming languages (e.g., Java, Python), understanding of operating systems, basic networking, or familiarity with specific engineering software and tools. Equally important are strong analytical and problem-solving abilities, a keen attention to detail, and a methodical approach to tasks.

Beyond technical prowess, successful junior engineers possess excellent communication skills to explain complex concepts clearly to both technical and non-technical colleagues. They demonstrate a proactive, learning-oriented mindset, resilience in fast-paced environments, and strong teamwork. Adaptability and a commitment to following best practices, such as version control, testing, and documentation, are highly valued. These roles are ideal for those eager to build a robust professional foundation, offering unparalleled opportunities to develop specialized expertise, understand industry workflows, and advance toward senior engineering positions. Explore Junior Engineer jobs today to find the perfect platform to transform your theoretical knowledge into impactful professional experience.