5 network software development engineer intern jobs at 2 companies in Denver, CO

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Software Engineering Intern (Spring 2027)
Golden, Colorado, United States
OnsiteFull Time
Rendezvous Robotics
Rendezvous Robotics: Develops self-assembling modular tiles for in-space infrastructure.
Currently pursuing CS/CE or related degree; comfortable with C, C++, and Python; understanding of networking and distributed systems; experience with embedded Linux or bare-metal firmware.
C, C++, Python, embedded Linux
2w
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Software Engineering Intern (Fall 2026)
Golden, Colorado, United States
OnsiteFull Time
Rendezvous Robotics
Rendezvous Robotics: Develops self-assembling modular tiles for in-space infrastructure.
Pursuing degree in CS/CE or related; comfortable in C/C++ and Python; understanding of networking/distributed systems; experience with embedded Linux or bare-metal firmware; ITAR-eligible.
C, C++, Python, Embedded Linux
2mo
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CNO Developer
Hanover or Aurora
$115k-$190k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
2+ YOEBS+4yrs or MS+2yrs or HS+8yrs; experience with Python or C/C++; troubleshooting and debugging; networking, low-level system internals, reverse engineering and Atlassian tools preferred; active TS/SCI w/Poly required.
Python, C, C++, TCP/IP, JIRA, Confluence, Crucible, Assembly
1mo
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Associate CNO Developer
Hanover or Aurora
$77k-$128k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
4+ YOEBS in technical discipline or HS + 4 years technical experience; experience in Python or C/C++; troubleshooting and debugging; TS/SCI with polygraph required; networking, low-level internals, and reverse engineering preferred.
Python, C, C++, JIRA, Confluence, Crucible
2mo
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CNO Developer
Hanover or Aurora
$115k-$190k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
2+ YOEBS+4, MS+2, or HS+8 years technical experience; experience with Python or C/C++; troubleshooting and debugging; knowledge of networking and low-level system internals; active TS/SCI with polygraph required.
Python, C/C++, TCP/IP, JIRA, Confluence, Crucible