23 software developer co op jobs at 10 companies in Arlington, VA

2w
Save
Mark Applied
Hide
Software Engineer Co-Op - TS/SCI
Centreville, Virginia, United States
$23-$40/hr OnsiteInternship
Parsons
ParsonsNYSE: PSN: Technology and engineering solutions for defense and infrastructure.
Active TS/SCI clearance; pursuing BS in computer science, computer engineering, software engineering or related; experience in Linux development environment.
Java, Spring, servlets, ETL, microservices, message brokers, Hadoop, Elasticsearch, PostgreSQL, TypeScript, Angular, React, Python, Gradle, Docker, Vagrant, Ansible, Maven, Bash, Linux, SQL, MySQL, MongoDB, Spring Boot, Tomcat, Jakarta, gRPC, REST, Git, PatternFly, Clarity, Material-UI
1mo
Save
Mark Applied
Hide
Software Engineering Co-Op
Germantown, Maryland, United States
OnsiteFull Time, Internship
Viavi Solutions
Viavi SolutionsNASDAQ: VIAV: Provider of network test, monitoring, and optical technology solutions.
Completion of at least two years of undergraduate education toward a BSEE, BSCE, or BSC; experience developing and testing C/C++ software; software engineering design knowledge; Linux development preferred.
C, C++, Linux
2mo
Save
Mark Applied
Hide
Embedded Software Engineer Graduate Co-op
Cambridge or Arlington
$28-$37/hr OnsiteInternship
MORSE Corp
MORSE Corp: Employee-owned defense technology consultancy delivering algorithm, software, and systems-engineering services to U.S. national-security customers.
Graduate co-op pursuing an MS in software engineering, computer science, electrical engineering, or related field; proficiency in C/C++, Python, Rust, RTOS, embedded protocols, debugging, and hardware setup. US citizenship required.
C, C++, Python, Rust, RTOS, UART, I2C, CAN
Job Posting
1mo
Save
Mark Applied
Hide
2027 Co-Op - Software Engineer (Uncrewed Land & Air) - Hunt Valley, MD
Hunt Valley, Maryland, United States
$28-$32/hr OnsiteFull Time, Internship
Textron Systems
Textron Systems: Private Textron subsidiary providing defense, aerospace, and homeland-security technologies and services to government and commercial customers.
Currently pursuing a bachelor's or master's degree in computer science, computer engineering, CIS, MIS or related field; ability to work 40 hours/week; U.S. citizen with ability to obtain security clearance.
Mercurial, Git, Jira, Linux, Windows
Job Posting
1mo
Save
Mark Applied
Hide
Heart Recovery Software R&D Co-Op
Halethorpe, Maryland, United States
$24-$53/hr OnsiteFull Time, Internship
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: A global healthcare leader in innovative medicine and MedTech.
Currently enrolled in Bachelor's or Master's in computer science or computer engineering; third year or above; GPA 3.0+; experience with C, C++, or Python; permanently authorized to work in the U.S. without sponsorship.
C, C++, Python, Git
1mo
Save
Mark Applied
Hide
Spring 2027 Co-Op Engineer- Blacksburg, VA or Herndon, VA
Blacksburg or Herndon
$25/hr OnsiteFull Time, Internship
Peraton
Peraton: Provider of mission-critical national security technologies and services.
US citizenship and ability to obtain a government security clearance; current undergraduate or graduate student pursuing BS/BA or MS/MA in computer science, computer engineering, software engineering, electrical engineering or related field; familiarity with Java, Python, C++, Bash; hands-on experience through coursework or internships.
Java, Python, C++, Bash
2w
Save
Mark Applied
Hide
Advanced Controls Applications Co-Op
Jessup, Maryland, United States
$22-$28/hr OnsiteInternship
Baltimore Aircoil Company
Baltimore Aircoil Company: Manufactures sustainable cooling and refrigeration equipment.
Pursuing Bachelor's or Master's in Electrical Engineering or related; experience in electro-mechanical control systems; knowledge of PID design; software development and testing; technical writing; Microsoft Office and CAD; lab testing experience a plus.
Microsoft Office, CAD, C, C++, C#, Python
2mo
Save
Mark Applied
Hide
Process Engineer Co-Op
Hunt Valley, Maryland, United States
$25/hr OnsiteInternship
Coty
CotyNYSE: COTY: A global beauty with a portfolio of fragrance and cosmetics.
Engineering bachelor's degree with 1-2 years remaining until graduation; requires statistics, process improvement, Lean, data analysis, and computer skills including Word, Excel, PowerPoint, Visio, Access, drawing software, and SAP.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Visio, Microsoft Access, SAP, Statistical Process Control (SPC), Design of Experiments (DOE), Lean, Six Sigma, Kaizen, Loss Tree, 5-Whys, Process Flow Diagrams, poka yoke, pFMEA, SMED, Standard work, value stream mapping, TPM, 5S, continuous flow, visual factory, pull systems, Kanban, GMP
2mo
Save
Mark Applied
Hide
Spring 2027 Software Engineering Intern
Washington, District of Columbia, United States
$25/hr OnsiteInternship, Temporary
The Nuclear Company
The Nuclear Company: U.S. nuclear infrastructure platform integrating reactor deployment, plant services, and operating systems for fleet-scale nuclear power.
Currently enrolled in a relevant technical BS program, available for a six-month co-op, and proficient in a modern programming language with shipped software experience. U.S. Person status and onsite availability required.
Nuclear Operating System (NOS), Palantir Foundry, AWS GovCloud, AWS, Python, TypeScript, Java, Go, Rust, C++, OpenAI, Anthropic
Job Posting
4w
Save
Mark Applied
Hide
Project Engineer
Frederick, Maryland, United States
$50k-$65k/yr OnsiteFull Time
Keller Brothers
Keller Brothers: Family-owned Maryland general contractor providing construction management, design-build, masonry, and special-project services to public and private clients.
Bachelor's degree in engineering, construction management, or related field preferred; internship or co-op experience preferred; familiarity with project management software; ability to lift up to 50 pounds and climb stairs/ladders.
Procore, Bluebeam, Microsoft Project