L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
6+ YOEU.S. citizen with active DoD Secret clearance, Bachelor's in related field or equivalent experience, 6+ years relevant experience (alternatives allowed), 3+ years Rust production experience, C/C++ and Python experience, strong communication.
RUST, C, C++, Python, IBM Rhapsody, MagicDraw/Cameo, UML
ExistX: Transitions national security research into operational software and systems.
5+ YOE5+ years enterprise software development; BS in Computer Science or related field; backend languages Java/C/C++/Rust/Python; experience with scalable systems; strong documentation; cryptography or cloud knowledge preferred.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEActive TS/SCI clearance and US citizenship required, BS degree, typically 1+ years software engineering experience, proficiency in Java/C#/Rust/Angular/Python, Agile/DevSecOps practices, and strong communication skills.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI clearance, willingness to obtain CI polygraph, B.S. in a STEM field, 5+ years software development experience, leadership experience, proficiency in Python/C/C++/Java/Rust, algorithm development experience in signal/image processing, SDA, SATCOM or SIGINT.
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBS in STEM fields; 5+ years software development; lead interdisciplinary team; TS/SCI clearance; Python/C/C++, Java, or Rust; domains SDA/SATCOM/SIGINT; willing to polygraph.
Techximius: Provides specialized IT and engineering services for defense missions.
4+ YOE4+ years experience reading and analyzing code for vulnerabilities, proficiency in one or more languages (C/C++, Java, Ada, Rust, Go), knowledge of security principles, IV&V, and ability to prepare professional reports.
Principal Software Development Engineer (IC4) - Network Region Build (NRB)
United States or Abilene or Austin or Nashville or Chicago or Pittsburgh or Philadelphia or Saline
$115k-$235k/yrOnsiteFull Time
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
6+ YOEStrong software engineering in Python/Java/Go/Rust, networking fundamentals (BGP, TCP/IP, IPv6), experience with distributed systems, Git and CI/CD, Linux production environments; 6+ years experience.
In-Depth Engineering: Develops combat systems and radar software for the US military.
2+ YOEU.S. citizen with valid passport and active Secret clearance; Bachelor's in STEM; 2+ years experience; familiarity with Rust/C/Java, Docker, gRPC, SDLC; exposure to containerization and Agile.
Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago or United States
$146k-$235k/yrOnsiteFull Time
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years backend engineering experience building/operating production distributed systems; strong programming in Go/Java/Rust; production debugging, observability, on-call experience; clear AI usage in engineering work.
Koble: Develops and sells ERP software for small businesses.
3+ YOEMid-level C++ experience; knowledge of C#, Rust, and JScript; SQL/PostgreSQL; familiarity with Windows tech like COM/MFC; experience refactoring large codebases.
C++, C#, Rust, JScript, SQL, PostgreSQL, COM, MFC, Windows
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
5+ YOEBachelor's in CS/engineering, 5+ years professional software experience, 3+ years building automated tests for web/distributed systems; experience with Playwright/Selenium/Cypress, CI/CD integration, troubleshooting, and clear technical communication.
Quincy or Toronto or Princeton or Clifton or Austin or Berwyn or Boston
$70k-$119k/yrHybridFull Time
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
1+ YOEExperience building production Generative AI/LLM solutions, cloud-native software engineering, RAG and semantic search, and 1+ years professional software/AI experience; strong communication and secure coding practices.
Digital Signal Processing Electrical & Computer Engineer
McLean or Laurel or Belcamp or Washington
$87k-$198k/yrRemoteFull Time
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Bachelor's in Electrical or Computer Engineering; DSP, wireless, SDR, Linux/C/C++, GNU Radio, Ettus UHD, RF theory, embedded software; willing to travel up to 25%; ability to obtain Secret clearance.
Linux, C, C++, Rust, GNU Radio, Ettus UHD, SDR, Signal Processing, MATLAB, LabVIEW, Git, FPGA, VHDL, Verilog, Radio Equipment, Spectrum Analyzers, Signal Generators
Trading System Engineering Internship: Summer 2027
Hong Kong or Singapore or Philadelphia
OnsiteInternship
Susquehanna International Group: Global quantitative trading firm specializing in proprietary financial markets.
University student graduating 2028 in CS/CE/Math/STEM; strong C++, C, Rust, C#, Java, and some Python skills; strong logical reasoning. Visa sponsorship available.
Trading System Engineering Internship: Summer 2027
Bala Cynwyd, Pennsylvania, United States
OnsiteInternship
Susquehanna International Group: Global quantitative trading and market making firm.
Enrolled in a bachelor's or master's program in CS/CE/math; strong C++/C/Rust/Java/C#/Python; plan to graduate and start full-time by Aug 2028; visa sponsorship available.