51 systems engineer intern jobs at 38 companies in Fairfield, CT

4d
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Senior Systems Engineer, CKS Performance
Livingston or New York City or Sunnyvale or Bellevue or San Francisco
$182k-$242k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
5+ YOE5+ years Linux kernel or systems engineering experience; deep kernel internals (cgroups, namespaces, scheduler, memory); kernel crash debugging; strong C skills; experience with container runtimes and Kubernetes; upstreaming patches.
crash, gdb, kdump, containerd, runc, kubelet, CRI, eBPF, C
1mo
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Systems Engineer
Shanghai or Hong Kong or Singapore or New York City
HybridFull Time
Tower Research Capital
Tower Research Capital: Global quantitative trading firm developing automated algorithmic strategies.
1+ YOEBachelor's degree in CS/engineering, 1–5 years in Linux/DevOps/HPC or infrastructure, strong Linux internals knowledge, experience with cloud, containers, scripting (Python/Go/Bash), and cluster/storage systems.
HPC, Linux, Slurm, HTCondor, NFS, Weka, GCP, AWS, Azure, Ansible, Terraform, Salt, Python, Go, Bash, Docker, Podman, Kubernetes, TCP/IP, FPGA, CI/CD
1w
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Summer 2027 Systems Engineering Intern
New York City, New York, United States
$180k/yr OnsiteInternship
PDT Partners
PDT Partners: Systematic hedge fund using quantitative models for global trading
Current bachelor's, master's, or PhD student in a rigorous technical program; strong programming, systems, networking, cloud and automation interest; strong communication and problem-solving skills.
Kubernetes, GitOps
1mo
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IT Systems Engineer, Client Platform Engineer
Boston or New York City or Washington or United States
$325k-$360k/yr HybridFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
8+ YOEBachelor's or equivalent, 8+ years building secure IT systems, experience managing large MDM fleets, macOS/Windows internals, Python/shell/PowerShell, GitOps/CI/CD, public cloud and device telemetry experience.
Python, Shell scripting, PowerShell, Swift, Go, MDM, Jamf, Intune, Workspace ONE, GitOps, CI/CD, Claude, macOS, Windows
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2026 Technology Intern (Fall)
Brooklyn, New York, United States
$20-$24/hr HybridInternship
Smart Design
Smart Design: A design consultancy creating human-centered products and technology.
Educational background in systems/electrical/computer/robotics engineering or related; programming in Linux with Python and/or C++; Git experience; interest/experience in hardware prototyping; onsite minimum three days/week.
Linux, Python, C++, Git, AWS, Anaconda, Pandas, NumPy, Sci-kit, Arduino, Raspberry Pi
1mo
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Intern - Embedded Software Engineer (Fall 2026)
New York, New York, United States
$25-$30/hr OnsiteInternship
Persistent Systems
Persistent Systems: Develops and manufactures secure mobile ad hoc networking systems.
Working toward a Bachelor's in CS/CE, experience developing software in C/C++ for Linux, embedded systems experience, and must have or be able to obtain a U.S. security clearance.
C, C++, Linux, Linux kernel
2w
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Software Developer, GO Systems
Austin or Menlo Park or Washington or New York City
$171k-$240k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
8+ YOEBachelor's degree or equivalent,8+ years building and shipping full‑stack projects,experience scaling internal tooling and driving multi‑team technical roadmaps,ability to communicate across global teams.
PHP, Hack, JavaScript, React
1mo
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Infrastructure Engineer - Linux
New York, New York, United States
$165k-$250k/yr HybridFull Time
Two Sigma
Two Sigma: Systematic investment management and quantitative trading firm.
1+ YOE1+ years Linux systems experience; managing large-scale Linux environments; programming in Python, Go or similar; deep Linux internals and low-latency tuning; distributed systems and networking fundamentals.
Linux, Debian, Python, Go, C, Kubernetes
1mo
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Growth Engineer
New York City, New York, United States
HybridFull Time
Trove
Trove: Digital collectibles marketplace for buying and redeeming trading cards.
Experience building end-to-end growth systems, instrumentation, internal tooling, automations, experimentation infrastructure, data-driven experimentation, cross-functional collaboration, and AI-enabled tooling.
1mo
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Director, Product Engineer - AI Tooling & Builder Experience
New York City, New York, United States
$220k-$265k/yr HybridFull Time
Veho
Veho: Provides AI-powered last-mile delivery services for e-commerce brands.
4+ YOE4+ years building production systems or internal developer/builder tools; deep experience with LLM workflows, prompt engineering, agent frameworks; familiarity with AI-assisted development tools; strong product instincts.
Claude, OpenAI, Claude Code, Cursor, Copilot, Veho Build, NetSuite, Salesforce, OpenClaw
2mo
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Principal Graphics Engineer
New York or United States
RemoteFull Time
Parallelz
Parallelz: Transforms native mobile apps into native web apps instantly.
Strong C/C++ systems programming, real-time graphics experience, shader programming, Linux internals, and familiarity with AI tooling; proven track record delivering complex graphics systems; independent senior contributor.
C/C++, Linux, OpenGL ES, WebGL, WebGPU, Vulkan, Metal, DirectX, Shader programming, GPU debugging, AI tooling and agents
1mo
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BLP Intern – Technology
Stamford, Connecticut, United States
HybridFull Time, Internship
Synchrony
SynchronyNYSE: SYF: Provides consumer financial services and private label credit cards.
Pursuing a Bachelor's in CS, Information Systems, Engineering, or Information Assurance/Cyber Security; minimum 3.0 GPA; available for a 10-week full-time (40 hrs/wk) June–August internship; age 18+; background check, drug screen, fingerprints, and ability to satisfy Section 19 FDIC requirements; relocation possible.
1w
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AI Infrastructure Engineer, Sandbox Platform
San Francisco or Seattle or New York City
$180k-$225k/yr OnsiteFull Time
Scale AI
Scale AI: Provides data and infrastructure for training artificial intelligence models.
4+ YOE4+ years building high-performance systems software; deep Linux internals, containerization/virtualization, systems programming (Go/Rust/C/C++); strong debugging and API/SDK design skills.
Docker, Firecracker, gVisor, QEMU, Kata Containers, Go, Rust, C/C++, Kubernetes, OpenHands, Agent2Agent, MCP, CRIU
3w
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Campus AI Research Engineer (Intern)
Chicago or New York City
$250k-$300k/yr OnsiteInternship
Jump Trading
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
Proficiency in Python or C++, experience with PyTorch/JAX/TensorFlow, GPU/accelerator programming (CUDA/Triton/SYCL/ROCm), building large-scale ML systems, strong communication and reliability.
C, C++, Python, CUDA, PyTorch, JAX, TensorFlow, Triton, SYCL, ROCm
1w
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Staff Software Engineer
New York, New York, United States
$194k-$260k/yr HybridFull Time
Celonis
Celonis: Provides process mining software for business process optimization.
8+ YOEBS in CS (MS/PhD preferred),8+ years software engineering, strong C++ (17), experience with database internals/query engines and large-scale data systems, analytical and mentoring skills.
C++ (17), Starrocks, ClickHouse
1mo
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Field Service Engineer II (EM) (NYC Remote)
New York City, New York, United States
$35-$52/hr FieldFull Time
Thermo Fisher Scientific
Thermo Fisher ScientificNYSE: TMO: Sells equipment and chemicals for scientific research and healthcare.
3+ YOEBachelor's in a technical field or 3+ years equivalent; hands-on experience with SEM/TEM/FIB or similar systems; UHV and high-voltage diagnosis/repair; able to lift 40–50 lbs; valid driver’s license; passport for international travel; MS-DOS/Windows literacy; English proficiency.
SEM, TEM, FIB, UHV, MS-DOS, Windows
2mo
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Engineer - Marine
Charleston or Boston or Houston or Seattle or Galveston or Miami or Long Beach or New York or United States or Oakland or Tampa or Savannah or Newark or Philadelphia or Norfolk or New Orleans
FieldFull Time
Savage
Savage: A global provider of supply chain infrastructure and logistics solutions with a focus on team growth and career development.
Must hold a USCG Merchant Mariner Credential (MMC) with international/national endorsements, valid TWIC and U.S. passport, USCG/STCW medical certificate, STCW endorsements, ability to lift 40 lbs, and experience with vessel engineering systems; maritime academy and Assistant Engineer experience preferred.
ABS Nautical Systems NS5, HELM, EMD, Detroit Generators
2mo
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Staff Software Engineer - Query Execution
New York, New York, United States
$151k-$297k/yr HybridFull Time
MongoDB
MongoDBNASDAQ: MDB: Cloud-based document database platform for software application development.
10+ YOE10+ years in query engine or database internals; proficient in C++ or systems language; proven leadership; CS degree or equivalent.
C++, Systems programming
2mo
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Supply Chain Planning Intern
New York, New York, United States
$20-$25/hr OnsiteMultiple Commitments Available
LVMH
LVMHEuronext Paris: LVMH: Global designer and retailer of premium luxury goods.
Pursuing a degree in supply chain/industrial engineering; strong analytical skills; Excel and Power BI proficiency; good communication; familiarity with ERP/planning systems.
Excel, Power BI, AX, Anaplan
2mo
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Supply Chain Planning Intern
New York, New York, United States
$20-$25/hr OnsiteInternship
LVMH
LVMHEuronext Paris: MC: A diversified luxury conglomerate managing fashion, spirits, and beauty brands.
Pursuing a Bachelor's or Master's in supply chain/operations/engineering/business, strong Excel and Power BI skills, analytical mindset, familiarity with ERP/planning systems, and ability to work independently and collaboratively.
Microsoft Excel, Power BI, AX, Anaplan