Explore 4 junior software engineer python jobs from 4 hiring companies in Dover, PA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Junior Software Engineer Python

Weigelstown

Shiloh

York

Hanover

East York

Harrisburg

Elizabethtown

Carlisle

West York

Hershey

Middletown

Lancaster

Columbia

Mechanicsburg

Progress

Lebanon

Camp Hill

New Cumberland

Spry

Junior Software Engineer Python Jobs

Johnson Controls

Parsons

Smiths Group

Textron

Onsite

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible. Job Description:Parsons is seeking a Junior Computer Scientist/Engineer to support our cutting-edge Drone Armor counter-unmanned aerial systems (C-UAS) program. This role provides professional software and application development in support of mission-critical C-UAS capabilities and requires the application of foundational computer science, engineering, and mathematical principles to research, design, develop, test, evaluate, and maintain software applications in an integrated manner.<div></div>What You&#39;ll Be DoingSoftware &amp; Application Development<ul><li>Provide professional software or application development in one or more programming languages</li><li>Implement and maintain software components that support Drone Armor C-UAS capabilities</li><li>Apply fundamentals and principles of:<ul><li>Artificial intelligence and information systems</li><li>Networking, distributed processing, and real-time controls</li><li>System-of-systems engineering, web, cloud, modeling, and simulation</li></ul></li><li>Write clear, maintainable, and well-documented code under the guidance of senior engineers and scientists</li></ul>Systems Architecture &amp; Integration Support<ul><li>Apply knowledge of computer hardware, systems software, computer system architecture, and integration to support system development</li><li>Assist in integrating software components within larger system-of-systems architectures</li><li>Collaborate with senior team members to ensure software aligns with system requirements and design constraints</li><li>Support troubleshooting and resolution of integration issues across software and hardware interfaces</li></ul>Mathematical Foundations &amp; Algorithm Implementation<ul><li>Apply mathematics including data structures, algorithms, discrete models, and modern algebra to software design and implementation</li><li>Implement algorithms developed by senior team members and support their refinement and optimization</li><li>Assist with evaluating algorithm performance, correctness, and efficiency in operationally relevant scenarios</li></ul>Research, Test, Evaluation &amp; Documentation<ul><li>Participate in research, design, development, testing, evaluation, and maintenance of software applications in an integrated, lifecycle-focused manner</li><li>Support development and execution of unit and integration tests for software components</li><li>Assist in analyzing test results, documenting findings, and implementing corrective actions</li><li>Contribute to technical documentation including design notes, test summaries, and user instructions</li></ul><div></div>What Required Skills You&#39;ll BringEducation<ul><li>Bachelor’s degree in engineering, or a related scientific or technical discipline is required with 2 years of experience OR</li><li>4 years of additional relevant experience may be substituted for education</li></ul>Experience<ul><li>Up to 2 years of experience in software or application development in one or more modern programming languages</li><li>Exposure to or coursework in:<ul><li>Artificial intelligence, information systems, networking, distributed processing, real-time controls, system-of-systems, web, cloud, modeling, or simulation</li><li>Computer hardware, systems software, computer system architecture, and integration</li><li>Mathematics such as data structures, algorithms, discrete models, and modern algebra</li></ul></li><li>Experience supporting research, design, development, testing, evaluation, or maintenance of software applications (academic, internship, or professional)</li></ul>Technical Competencies<ul><li>Proficiency in at least one modern programming language such as Python, C&#43;&#43;, Java, or similar</li><li>Understanding of basic software engineering practices, including version control and issue tracking</li><li>Familiarity with distributed systems or networking concepts</li><li>Exposure to cloud environments or modern web technologies is beneficial</li><li>Ability to work collaboratively in a multidisciplinary engineering and science team</li></ul>Security &amp; Citizenship<ul><li>Must be a US Citizen</li><li>SECRET security clearance</li></ul><div></div>What Desired Skills You&#39;ll BringAdvanced Education &amp; Certifications<ul><li>Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or related discipline</li><li>Relevant certifications or training in cloud platforms, AI/ML, or software development tools</li></ul>Specialized Experience<ul><li>Internship, co-op, or project experience supporting DoD, defense, aerospace, or related technical programs</li><li>Experience with AI/ML frameworks, modeling and simulation tools, or real-time/embedded systems</li></ul>Additional Technical Skills<ul><li>Experience with containerization, scripting, or automation tools</li><li>Familiarity with CI/CD pipelines and collaborative development environments (e.g., Git-based workflows)</li></ul>Security Clearance Requirement:An active Secret security clearance is required for this position.​This position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $74,800.00 - $130,900.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to <a target="_blank" href="https://www.parsons.com/fraudulent-recruitment/">https://www.parsons.com/fraudulent-recruitment/</a>.

Junior Computer Scientist/Engineer

Computer Scientist/Engineer

Bachelor's in engineering or related field with 2 years software development experience; programming in Python/C++/Java; SECRET clearance required.

Build your best future with the Johnson Controls team!Who we are: Johnson Controls is global leader in smart, healthy, and sustainable buildings. Our mission is to reimagine the performance of buildings to serve people, places, and the planet. Join a winning team that enables you to build your best future! Our teams are uniquely positioned to support a multitude of industries across the globe. You will have the opportunity to develop yourself through meaningful work projects and learning opportunities. We strive to provide our employees with an experience focused on supporting their physical, financial, and emotional wellbeing. Become a member of the Johnson Controls family and thrive in an empowering company culture where your voice and ideas will be heard – your next great opportunity is just a few clicks away!What We Offer:<ul><li>Competitive salary</li><li>Paid vacation/holidays/sick time</li><li>Comprehensive benefits package including 401K, medical, dental, and vision care.</li><li>On-the-job/cross-training opportunities</li><li>Encouraging and collaborative team environment</li><li>Dedication to safety through our Zero Harm policy</li></ul>Position:Johnson Controls has a phenomenal opportunity for a Senior Software Test Engineer to join our dynamic in New Freedom, PA, to help ensure the reliability and performance of our cutting-edge Chiller products. Candidates must be commuting distance to New Freedom, PA, or able to relocate.What You Will Do:You will play a critical role in the development and testing of our exciting embedded software systems! You will have the opportunity to lead testing efforts, mentor, and collaborate with cross-functional teams to ensure that our products meet the highest standards of quality. If you have a strong background in software testing, a deep understanding of embedded systems, proven experience in automated testing, and a passion for excellence, then keep reading!How you will do it:<ul><li>Lead the development and execution of comprehensive test plans and test cases for embedded software.</li><li>Design, implement, and maintain automated and manual test frameworks and scripts to enhance testing efficiency and coverage.</li><li>Collaborate with software development teams to understand requirements and ensure testability.</li><li>Conduct reviews of design and requirements to identify potential issues early in the development cycle.</li><li>Analyze test results, report defects, and work closely with development teams to ensure timely resolution.</li><li>Participate in root cause analysis and drive corrective actions for identified issues.</li><li>Contribute to process improvements and the adoption of new testing tools and methodologies.</li></ul>What we look for: Required <ul><li>Bachelor’s degree in Computer Science, Electrical Engineering, or a related field.</li><li>2&#43; years of overall experience in software development and testing.</li><li>1&#43; years of hands-on experience specifically in manual testing, preferably automated testing.</li><li>Proficiency in programming languages such as C/C&#43;&#43;, Python, or similar.</li><li>Familiarity with hardware testing and debugging using tools like oscilloscopes, logic analyzers, and JTAG.</li><li>Prior experience in leading testing efforts for complex embedded systems.</li><li>Must be a US citizen or permanent resident. We cannot provide sponsorship for this position.</li></ul>Preferred: <ul><li>Demonstrated experience in developing and implementing automated testing solutions and frameworks.</li></ul>SALARY RANGE: $75,000 -103,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.) This position includes a competitive benefits package. The posted salary range reflects the target compensation for this role. However, we recognize that exceptional candidates may bring unique skills and experiences that exceed the typical profile. If you believe your background warrants consideration beyond the stated range, we encourage you to apply. To support an efficient and fair hiring process, we may use technology assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers. For details, please visit the About Us tab on the Johnson Controls Careers site at https://jobs.johnsoncontrols.com/about-usJohnson Controls International plc. is an equal employment opportunity and affirmative action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, genetic information, sexual orientation, gender identity, status as a qualified individual with a disability or any other characteristic protected by law. To view more information about your equal opportunity and non-discrimination rights as a candidate, visit <a href="https://www.johnsoncontrols.com/-/media/jci/careers/landing/eeo-is-the-law.pdf" target="_blank">EEO is the Law</a>. If you are an individual with a disability and you require an accommodation during the application process, please visit <a href="mailto:SpecialAccommodations&#64;jci.com?subject&#61;Candidate%20Accommodated%20Requested&amp;body&#61;Hello%2C%20%0A%0AI&amp;#39;ve%20applied%20to%20an%20opportunity%20and%20require%20an%20accommodation%20during%20the%20application%20process." target="_blank">here</a>.

Embedded Software Test Engineer I

2+ years in software development/testing; experience in embedded systems; C/C++, Python; hardware test tools; US citizen or permanent resident.

Who We AreTextron Systems serves defense and commercial customers with the combined expertise of its family of brands: Textron Systems, Howe & Howe, Lycoming and ATAC. The segment offers specialized products and services that fall into several capability areas: Air; Land; Sea; Propulsion; Weapon Systems; Electronic Systems; and Test, Training & Simulation.We tap into these capabilities to deliver exceptional solutions, including product development and manufacturing, training, operations and support All efforts are backed by the strength of our parent company — Textron Inc — which includes prominent brands such as Bell, Cessna and Beechcraft.Drawing from our diverse teams of experts and harnessing the unlimited power of teamwork, we put tomorrow’s technology in the world’s hands today.Start your career in a big way by joining Textron Systems. We are here to provide necessary and life-changing services and products to our customers. We are right where the real work happens. By joining our team, you will gain exciting and versatile experiences from day one to fuel your growth. Talent development is a big part of who we are. Don't just start your career - go big.Visit TextronSystems.com to read more about who we are and the products we make!About This RoleIn this role, you will be responsible for:<ul><li>Providing engineering support on both next generation technologies and proven platforms that support and protect our deployed warfighter</li><li>Participating in software development of new products across all phases of the design lifecycle from concept development to lab integration and evaluation concepts</li><li>Opportunities that range from embedded control systems to operator interfaces, and to mobile device applications</li><li>Working cohesively on a multi-functional team with exciting technologies and products</li></ul> 
Qualifications<ul><li>Currently pursuing bachelor’s degree in Computer Science/Computer Engineering/CIS/MIS or related field</li><li>C/C++, C#, Python, and/or Java programming</li><li>Ability to work 40 hours/week over the course of a summer on a combination 5/8, 4/10 schedule, with every other Friday off!</li><li>This position requires an individual to be a U.S citizen with the ability to obtain a security clearance</li></ul>Why Fall Co-Op with Textron Systems?As a Fall Co-Op with Textron Systems, you’ll become part of a team that is ALL IN, providing enduring solutions for a complex world. TOGETHER, we put tomorrow’s technology in the world’s hands today. During your Co-Op period in you will connect with people across multiple disciplines and locations, giving you exposure to new projects and mentorship. Below are a few, of many, additional highlights of the Fall Co-Op experience:<ul><li>Networking with fellow employees and leadership across Textron Systems.</li><li>Opportunity to internally apply to full-time positions, new Co-Ops, or summer internships.</li></ul>

2026 Fall Co-Op - Software Engineer (Sea Systems) - Hunt Valley, MD

Software Engineer

Pursuing bachelor’s in CS/CE/CIS/MIS; familiar with C/C++, C#, Python, or Java; able to commit ~40 hrs/week in summer; US citizenship for security clearance.

Company Description:Every minute of every day, Smiths Detection’s threat detection and security screening technology helps to protect people and infrastructure, making the world a safer place.&#xa0;Smiths Detection, part of Smiths Group is a global leader in the development, manufacture and management of security and detection solutions designed to make the world a safer place. Our technology provides threat detection and screening solutions for customers in our key markets: aviation, ports and borders, defence, and urban security.Our expertise spans 21 global offices, seven manufacturing sites and five R&amp;D centres, with a global network of 3,000 dedicated colleagues contributing towards over 40 years at the frontline of advances in safety and security.&#xa0;&#xa0;This results in careers built on variety and the opportunity to work on a range of state-of-the-art solutions, where you can develop your knowledge and experience every day.Job Description:The Software Engineering Intern will support the Software Engineering and Security teams in integrating vulnerability scanning platforms with Jira ticketing systems, developing automation workflows, and enhancing continuous monitoring capabilities.This role provides hands-on experience in cybersecurity operations, tool integration, automation development, and applied AI experimentation using tools such as Nessus, Jira, and Ollama.The intern will evaluate vulnerability scan results, assist in automating reporting and ticket generation, and potentially develop lightweight GUI frontends with Python or other technologies to improve operational workflows.This position is ideal for a highly motivated student with a strong interest in cybersecurity, automation, DevOps practices, and applied AI tooling.ResponsibilitiesEssential functions:&#xa0;SPECIFIC DUTIES, ACTIVITIES AND RESPONSIBILITIES INCLUDE BUT ARE NOT LIMITED TO:Primary Responsibilities:<ul><li>Work with software development, test, infrastructure, and security teams to design and prototype automated solutions for vulnerability management</li><li>Integrate Nessus cloud scanning tools with Jira for automated ticket generation and tracking</li><li>Install, configure, and maintain vulnerability scanning software to facilitate system and application scanning</li><li>Perform vulnerability scans and evaluate findings for severity, impact, and remediation guidance</li><li>Develop automation scripts (e.g., Python) to transform scan results into actionable reports and Jira tickets</li><li>Assist in implementing a continuous vulnerability monitoring capability</li><li>Develop GUI frontends (as needed) with Python or related frameworks to streamline interaction with backend automation tools</li><li>Research and experiment with open-source AI models running locally using Ollama and other open-source AI frameworks</li><li>Explore AI-assisted summarization or categorization of vulnerability scan results</li><li>Write clear documentation, processes, and procedures related to implemented tools and workflows</li><li>Generate validation and status reports</li><li>Provide daily progress updates to supervisor and team</li></ul>Secondary/Support Duties:&#xa0;<ul><li>Possibility to develop and integrate with additional tools in the engineering group</li><li>Generate validation reports</li></ul>&#xa0;<ul></ul>Qualifications:Education and Experience Education/Training:<ul><li>Currently pursuing a Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Cybersecurity, or related technical field</li></ul>Experience:<ul><li>Academic or project experience with scripting or programming (Python preferred)</li><li>Familiarity with Linux and/or Windows system administration concepts</li><li>Exposure to cybersecurity concepts such as vulnerability scanning, CVEs, patching, or risk prioritization preferred</li><li>Experience with APIs, automation workflows, or DevOps tools is a plus</li><li>Exposure to AI/ML concepts or open-source LLM tools is a plus</li></ul>Knowledge/Skills:<ul><li>Strong interest in cybersecurity and automation</li><li>Programming/scripting skills (Python strongly preferred)</li><li>Understanding of REST APIs and data parsing (JSON, CSV, XML)</li><li>Basic understanding of vulnerability management concepts</li><li>Ability to analyze technical findings and propose automation solutions</li><li>Strong written and verbal communication skills</li><li>Ability to work independently and be a self-starter</li><li>Strong problem-solving and analytical thinking skills</li><li>Curiosity and willingness to research new tools and technologies</li></ul>REQUIREMENTS:<ul><li>Must be enrolled in an accredited college or university during the internship period</li><li>Ability to work collaboratively with cross-functional teams</li><li>Ability to handle sensitive security-related information responsibly</li><li>Strong organizational and documentation skills</li><li>Demonstrated initiative through academic, lab, or personal technical projects</li><li>This position requires access to ITAR (International Traffic in Arms Regulations), EAR (Export Administration Regulations), and Department of State or Department of Commerce controlled information and routine access to a cleared facility. Applicant must be a U.S. Person (citizen, green card holder or other permanent resident).</li></ul>Additional Information:We offer…Join us and we’ll help build your career, with excellent training and opportunities for career growth across the business, both locally and globally. You’ll experience an inclusive environment, with strong leadership and a focus on safety and wellbeing. You’ll also have the flexibility to choose from a wide range of benefits to suit your lifestyle, offering you and your family support from a health and wellbeing, financial and&#xa0;lifestyle perspective.Join us and work for a world-leader, with the benefits and training to reward your dedication and skills. Be part of a team where we are making the world a safer place.Smiths Detection is an Affirmative Action and Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.&#xa0;<a href="https://protect-eu.mimecast.com/s/hXRrCZ4RDiPEOG8uzkx7I?domain=dol.gov">Equal Employment Opportunity Posters</a>If you’d like to view a copy of the company’s affirmative action plan or policy statement, please email&#xa0;<a href="mailto:hr-1@smiths-detection.com">hr-1@smiths-detection.com</a>.The compensation for this position ranges from $15.00 - $35.00/hr and will vary depending on factors including level of school completed and type of position requirements for skills, whether technical or non-technical.&#xa0;&#xa0;We are committed to ensuring our interns are fairly compensated for their valuable contributions.If you have a disability and you believe you need a reasonable accommodation in order to search for a job opening or to submit an online application, please e-mail&#xa0;<a href="mailto:stat@smiths.com">stat@smiths.com</a>or call toll-free&#xa0;877-703-1029. This email and phone number is created exclusively to assist disabled job seekers whose disability prevents them from being able to apply online. Only messages left for this purpose will be returned. Messages left for other purposes, such as following up on an application or technical issues not related to a disability, will not receive a response. Smiths Detection, Inc. participates in the Electronic Employment Verification Program.<div sr-tagline=""></div>We believe that different perspectives and backgrounds are what make a company flourish. All qualified applicants will receive equal consideration for employment regardless of color, religion, sex, sexual orientation, gender identity, national origin, economic status, disability, age, or any other legally protected characteristics. We are proud to be an inclusive company with values grounded in equality and ethics, where we celebrate, support, and embrace diversity.At no time during the hiring process will Smiths Group, nor any of our recruitment partners ever request payment to enable participation – including, but not limited to, interviews or testing. Avoid fraudulent requests by applying jobs directly through our career’s website (<a href="https://www.smiths.com/careers">Careers - Smiths Group plc</a>)

Software Engineering Intern (Cyber focus)

Software Engineering Intern

Pursuing Bachelor's or Master’s in CS/CE/Cybersecurity; Python scripting; Linux/Windows admin; REST APIs; vulnerability scanning concepts; automation/DevOps familiarity; strong communication.

Junior Software Engineer Python Jobs in Dover, PA, US

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