108 developer intern jobs at 56 companies in Hanover, PA

2mo
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Software Engineer Intern - Fulton, MD
Fulton, Maryland, United States
$30-$38/hr OnsiteMultiple Commitments Available
ICR
ICR: A research and analytics providing software development services.
Pursuing Bachelor's in CS/CE/EE; strong Python/Java/HTML/JavaScript; software lifecycle experience; Windows/Linux API knowledge; client/server; problem solving; communication; self-motivation; teamwork.
Python, Java, HTML, JavaScript, Windows API, Linux API, Git, Jenkins, CI/CD
3mo
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CNO Developer
Fort Meade, Maryland, United States
$77k-$163k/yr OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
5+ YOE5-7 years in C/C++ and Python; strong knowledge of networks and OS internals; experience with binary analysis tools; able to design and develop software with minimal oversight.
C/C++, Python, IDA Pro, Ghidra
1mo
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Computer Engineer - Firmware/Software (Full-Time & Intern Positions)
Baltimore, Maryland, United States
$90k-$105k/yr OnsiteFull Time, Internship
Key Tech
Key Tech: An engineering that designs medical devices and provides a collaborative, employee-owned workplace.
0+ YOEOpen to interns and full-time applicants with 0–5 years experience; developing embedded algorithms, designing embedded architectures, and testing code for medical devices.
5h
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Intern- Fall 2026
Lancaster, Pennsylvania, United States
$15/hr OnsiteFull Time, Internship
Eurofins Scientific
Eurofins ScientificEuronext Paris: ERF: Global provider of analytical testing and laboratory services.
Basic chemistry/biology knowledge, Excel and Outlook proficiency, good oral/written communication, ability to stand up to 1 hour, able to push/pull 50 lbs, commutable to Lancaster, PA.
Microsoft Excel, Microsoft Outlook
1mo
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Manufacturing Engineer Intern
Linthicum, Maryland, United States
$20/hr OnsiteFull Time, Internship
IDEX
IDEXNYSE: IEX: Designs and manufactures specialized fluidic, optical, and industrial systems.
Current college student or recent graduate (Maryland criteria), high school diploma, hands-on manufacturing interest, SolidWorks experience preferred, able to lift up to 35 lbs, strong communication and problem-solving skills.
SolidWorks
1mo
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Mechanical Engineer Intern/Co-op Fall 2026 - Energy Solutions
Baltimore or Fairfax or Nashville or Media or Louisville or Golden
OnsiteInternship
Legence
LegenceNASDAQ: LGN: Provides engineering and maintenance services for mission-critical building systems.
Pursuing a mechanical engineering undergraduate degree from an ABET-accredited university (min GPA 3.39). Proficiency with Microsoft Word and Excel; CAD helpful. Strong communication, teamwork, and ability to travel locally for field work.
CAD, Microsoft Word, Microsoft Excel
1mo
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Mechanical Engineer Intern/Co-op Fall 2026 - Energy Solutions
Media or Louisville or Baltimore or Golden or Nashville or Fairfax
OnsiteInternship
Legence
LegenceNasdaq: LGN: Engineering and maintenance services for mission-critical building systems.
Pursuing ABET-accredited undergraduate engineering degree (min GPA 3.39). Proficiency with Microsoft Word and Excel; CAD experience helpful. Strong communication, ability to travel locally for field work. No sponsorship available.
CAD, Microsoft Word, Microsoft Excel
3mo
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Expert CNO Developer
Hanover, Maryland, United States
$142k-$236k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
8+ YOELead development of advanced CNO capabilities; strong experience in Python and C/C++; low-level system internals, TCP/IP and socket programming, debugging, and technical leadership; TS/SCI w/ Poly required.
Python, C, C++, TCP/IP, Windows, Unix, Assembly language, Atlassian JIRA, Atlassian Confluence, Atlassian Crucible
3mo
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iOS-Savvy CNO Developer
Fort Meade, Maryland, United States
$140k-$170k/yr OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
2+ YOEActive TS/SCI with Polygraph; iOS internals; reverse engineering; 2 years cybersecurity/CNO development; Bachelor's in computer science or computer engineering.
iOS, Reverse Engineering
1mo
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Part-Time CCHD Intern(NE)
Baltimore, Maryland, United States
$15-$20/hr OnsiteMultiple Commitments Available
Archdiocese of Baltimore
Archdiocese of Baltimore: Providing spiritual leadership and education for the Catholic community.
Part-time internship with the Catholic Campaign for Human Development; requires strong communication, willingness to learn Catholic social teaching, teamwork, and interest in poverty issues.
2mo
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Intern HR
Linthicum Heights, Maryland, United States
OnsiteInternship
University of Maryland Medical System
University of Maryland Medical System: Operates hospitals and clinics providing comprehensive medical healthcare services.
Provide administrative support to HR projects, prepare records, collaborate on process improvements; detail-oriented, strong communication, and Microsoft Office proficiency. High school diploma required; current junior/senior/graduate student in HR, org development, business, or related field.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1mo
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Reverse Engineer and Offensive Cyber Developer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
2+ YOEBachelor's in CS/EE/CE or related, 2+ years reverse engineering/offensive cyber experience, OS internals and exploitation knowledge, development in assembly or C/C++, debugger experience, strong written/verbal communication, able to obtain Secret and ultimately TS/SCI clearance (US citizenship required).
Assembly, C, C++
3w
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CNO Developer-Mid
Annapolis Junction, Maryland, United States
OnsiteFull Time
NetSage
NetSage: Delivering specialized cyber services to the U.S. federal government.
4+ YOETS/SCI with polygraph required; B.S. in Computer Science (or 8 years programming experience); 4+ years programming; experience with Assembly, C/C++, Java, Perl, or Python; low-level internals and TCP/IP/socket programming; CNO experience.
Assembly, C, C++, Java, Perl, Python, TCP/IP, Windows, Linux
2mo
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AI & Media Innovation Student Intern
Harrisburg, Pennsylvania, United States
$13/hr HybridInternship, Part Time
Harrisburg University of Science and Technology
Harrisburg University of Science and Technology: Private university providing STEM-focused undergraduate and graduate degree programs.
Must be a currently enrolled HU student in good academic standing; familiarity with generative AI or digital media production or related areas; strong communication, independent task management, and willingness to learn across disciplines.
Microsoft Copilot Studio, Power Automate, ChatGPT, Microsoft Copilot, Adobe Premiere Pro, DaVinci Resolve, CapCut, Adobe Creative Suite, Canva
1mo
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Intern to Entry Level Conversion - Engineering (Summer 2026 Intern Program)
Seattle or Saint Charles or Huntsville or Portland or Midwest City or Oklahoma City or Berkeley or Miami or Huntington Beach or Hazelwood or Germantown or El Segundo or Fort Walton Beach or Ridgecrest or Tukwila or North Charleston or Kennedy Space Center or Heath or Houston or Fairfax or Colorado Springs or Seal Beach or Long Beach or Newburgh or Renton or Saint Louis or Auburn or Philadelphia or Everett or San Antonio or Kent or Mesa or New Orleans
$50k-$174k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Currently enrolled engineering/applied-sciences student with expected graduation before September 2027; previously interned with Boeing; strong academics, collaboration, and technical project experience; ability to meet export-control U.S. Person requirements for many roles.
2mo
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Embedded Software Engineer
Shady Grove, Pennsylvania, United States
OnsiteFull Time
Manitowoc
ManitowocNYSE: MTW: Manufactures and services heavy-duty cranes and lifting equipment.
10+ YOESenior embedded software engineer with 10+ years in real-time/safety-critical systems; leadership experience; strong C/C++ skills; knowledge of safety standards; travel both international and domestic.
C, C++, RTOS, CAN, J1939, LIN, Ethernet, MATLAB/Simulink, Git, Azure DevOps, Linux
4w
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Research & Development Intern (Chemistry/Metallurgy)
Baltimore, Maryland, United States
$20-$40/hr OnsiteFull Time, Internship
Uplift Geosystems
Uplift Geosystems: Building electrochemical reactors for sustainable battery metal refining.
Currently enrolled in a relevant degree program; comfortable working in an onsite lab; safety-first mindset; perform sample prep, mineral separation, leaching experiments, and data analysis.
Microsoft Excel, Origin, MATLAB, Python, mass spectrometry, inductively coupled plasma mass spectrometry, atomic emission spectrometry, X-Ray diffraction, titration, mills, sieves, furnaces
1mo
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SPARC Associate Biologist Intern
Gaithersburg or Germantown
$28/hr OnsitePart Time
ATCC
ATCC: Global biological resource center and standards organization.
Undergraduate student (3rd or 4th year) in biology or related field; strong communication, attention to detail, hands-on lab experience preferred; aseptic technique and documentation skills; willingness to learn and follow procedures.
4w
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Software Developer (TS/SCI w/Poly)
Columbia or Fort Meade
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOERequires active TS/SCI w/Poly, Bachelor's in a related discipline plus 5+ years experience (Master's may substitute for 3 years). Must analyze and stabilize proof-of-concept exploits, have OS internals knowledge, and proficiency in .NET, Python, C/C++, and ASM.
.NET, Python, C, C++, ASM, Ghidra, GDB, WinDebug, Fuzzing, Windows, Linux
3mo
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iOS-Savvy CNO Developer
Fort Meade, Maryland, United States
$106k-$118k/yr OnsiteFull Time
ARSIEM
ARSIEM: Provides cybersecurity and software engineering to government agencies.
1+ YOEActive TS/SCI with polygraph; US citizen. 1 year cybersecurity/CNO development; 1 year software development. iOS internals and reverse engineering experience. Bachelor’s in CS/CE; MS/MA optional.

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