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2,972 systems developer jobs at 1,197 companies in Fairfield, CT

1mo
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Systems Engineer (C++)
New York City, New York, United States
$175k-$275k/yr OnsiteFull Time
LM Studio
LM Studio: Desktop software for running large language models locally and privately.
4+ YOE4+ years building production C++ systems software; strong performance, reliability, and API design; RAII; concurrency and memory management; experienced with profiling and hardware counters.
C++, C++11, macOS, Linux, Windows, Metal, CUDA, Vulkan, profiler, tracing
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2w
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Staff Systems Engineer (C++/Python)
New York or Los Angeles County
$220k-$260k/yr RemoteFull Time
NBCUniversal
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
5+ YOEBachelor's in CS/Engineering/Math, 5+ years industry experience, strong C++ systems development, familiarity with machine learning/computer vision, Git and Unix shell proficiency, experience deploying/testing on cloud and large geospatial datasets.
C++, Python, Git, Mercurial, CMake, Linux, macOS, bash, Unreal Engine
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People Systems Developer
Boston or Denver or New York
$145k-$215k/yr HybridFull Time
Datadog
DatadogNASDAQ: DDOG: Observability and security platform for cloud applications and infrastructure.
3+ YOE3-5 years in software engineering or advanced automation; experience with LLMs, AI-enabled workflows, and production integration; strong API integration (n8n, Zapier, Workato); familiarity with HR systems; independent in fast-paced environments; clear stakeholder communication.
LLMs, APIs, n8n, Zapier, Workato, Workday, Greenhouse, Claude, OpenAI, Anthropic, Gemini, Cursor
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1w
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Distributed Systems Engineer
San Francisco or New York City or Austin or Seattle
$175k-$300k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experienced engineer building observability, control planes, and API surfaces for large fleets; production service ownership, pager/incident experience, fluent with AI tooling and distributed systems.
LLM APIs, MCP servers, Claude Code, Cursor, Prometheus, Thanos, VictoriaMetrics, Temporal, Cadence, BMC/Redfish, Go, Python, Postgres, Kubernetes, ZTP, DHCP, DNS
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Senior Systems Engineer
New York, New York, United States
OnsiteFull Time
Carrier
CarrierNYSE: CARR: Manufactures HVAC, refrigeration, and fire safety systems.
3+ YOEBachelor's degree, 3+ years experience in refrigeration/HVAC product design and development, expertise in heat transfer, fan systems, thermal management, testing, and reliability analysis.
SAP, Creo, Ansys/Fluent, Matlab / Simulink, Visual Basic, C/C++
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3w
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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
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Systems Engineer
Greenlawn, New York, United States
$145k-$247k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOEBachelor's in engineering or science with 8 years (or Master’s with 6 years) experience; experience with DOORS, electronic lab/test equipment, requirements engineering, system integration, verification, and Microsoft Office; ability to obtain Secret clearance.
DOORS, Microsoft Office, Cameo, SysML
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Systems Engineer
Boston or Paris or New York City or San Francisco
RemoteFull Time
Beacon Biosignals
Beacon Biosignals: Provides AI-powered EEG monitoring and analytics for brain health.
5+ YOEBS in engineering required; 5+ years post-grad engineering experience (3+ with MS). Systems engineering, requirements, V&V, risk management, manufacturing transfer, cross-functional integration, and strong communication skills.
Git, JIRA, GitHub, OpenBOM
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Software Engineer, Build Systems / CI
San Francisco or Seattle or New York City
$185k-$490k/yr OnsiteFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
5+ YOE5+ years of software engineering experience; building infrastructure or tooling for developers; experience with build systems (Bazel, Buck, Pants, Gradle); scale CI; cross-team collaboration; strong developer experience; distributed systems debugging.
Bazel, Starlark, Buildkite, Python, FastAPI, Kubernetes, Terraform, PostgreSQL, Kafka
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3w
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Staff Design Systems Engineer
New York City, New York, United States
OnsiteFull Time
Blink Health
Blink Health: Digital platform for affordable prescription medications and pharmacy access.
7+ YOE7+ years front-end/UI engineering experience; prior design system contributions; proficiency with React and JavaScript; experience with Figma, Storybook, prototyping, accessibility, and working on enterprise-scale software.
React, JavaScript, Cursor, GitHub Copilot, ChatGPT, Figma, Storybook
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Senior Systems Engineer
New York, New York, United States
$90k-$110k/yr HybridFull Time
GEM Technologies
GEM Technologies: Managed IT and cybersecurity services for businesses.
5+ YOE5+ years systems engineering experience, bachelor's degree or equivalent, expertise in systems administration, networking, cloud platforms, security, scripting (PowerShell), and client-facing technical support.
On-Prem Exchange, M365, Cybersecurity Applications, Amazon Web Services, Microsoft Azure, Google Cloud Platform, Google Workspace, PowerShell, DNS, VDI Administration, MFA Administration, MDM Solutions, NOC software, PSAs, router/switch implementation, VoIP systems, RMM
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Business Systems Engineer
New York, New York, United States
$90k-$130k/yr RemoteFull Time
Snappy
Snappy: Provides a platform for businesses to send personalized gifts.
Experience as Salesforce Developer or Business Systems Analyst/Engineer; strong Salesforce; API/integration experience; excellent communication; proactive; independent; quick learner.
Salesforce, Force.com, Outreach, Gong, ChurnZero, Ironclad, OwnBackup, Harmony AI, Hubbl, Swantide, Copado, Gearset, SFDX
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2w
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Talent Systems Engineer
New York City, New York, United States
$100k-$180k/yr OnsiteFull Time
Agentio
Agentio: Marketplace for automated creator-led advertising campaigns.
2+ YOE2+ years in ops/GTM/RevOps/recruiting or similar; proven experience shipping automations/systems adopted by others; data literacy, dashboarding, and systems-thinking; comfortable with ambiguity and building new talent infrastructure.
Gem, Ashby, Clay, Metaview
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Systems Engineer, Audio
Charlotte or San Francisco or Los Angeles or New York City
$140k-$170k/yr OnsiteFull Time
Scout Motors
Scout Motors: Designs and manufactures all-electric rugged SUVs and trucks.
10+ YOEMaster's in engineering and 10+ years' experience in EE/mechatronics/automotive systems. Experience with system architecture, EE/SW integration, MBSE/MBD, MIL/SIL/HIL testing, and vehicle network protocols. Familiarity with tools like JIRA, Confluence, GitHub.
JIRA, Confluence, Codebeamer, Preevision, CAMEO, GitHub, JFrog, CANalyzer, CANoe, A2B, CAN, Automotive Ethernet, LIN, LVDS, MBSE, MBD, MIL, SIL, HIL
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1mo
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Optics Systems Engineer, Optics Systems Engineering
New York, New York, United States
$115k-$185k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
4+ YOE4+ years SRE/systems/DevOps or related experience; Bachelor's in Systems Engineering/Computer Science or equivalent; experience with Python/Java/Perl/PHP/Ruby/Bash/Shell; knowledge of TCP/IP, HTTP, DNS; production/24/7 environment experience.
Python, Java, Perl, PHP, Ruby, Bash, Shell, TCP/IP, HTTP, DNS
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Senior Systems Engineer
New York or United States
OnsiteFull Time
VAST Data
VAST Data: Enterprise AI infrastructure and unified data platform.
5+ YOE5+ years supporting enterprise storage sales; strong knowledge of storage architectures, file systems, virtualization, high-performance networking, and security; excellent communication and presentation skills.
DAS, NAS, SAN
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2w
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Distributed Systems Engineer SMTS/LMTS
New York City or San Francisco
$149k-$224k/yr HybridFull Time
Salesforce
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
Design and deliver scalable, reliable, secure backend distributed systems within the Security ecosystem; hands-on engineering, cross-functional collaboration, and end-to-end ownership with an AI-first mindset.
Salesforce Core, Data Cloud, Tableau Next, ATF, Agentforce
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Senior Systems Engineer
Long Island City, New York, United States
OnsiteFull Time
Eastern Communications
Eastern Communications: Provides mission-critical wireless communication systems for first responders.
5+ YOEBachelor's in EE/CE or similar, 5+ years relevant experience, ~25% domestic travel, experience with RF, networking, system design, Windows/Linux, and security; GSEC/SSCP/Security+ preferred.
Windows Server, Linux, Virtual machine servers, MPLS, T1, Fiber Optic, Microwave, Radio Coverage Analysis, Computer Aided Dispatch, Land Mobile Radio Systems, Interoperability Gateway, RF, RF antenna systems, Network Security
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3d
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Senior Systems Engineer
New York, New York, United States
$180k-$200k/yr OnsiteFull Time
Newmark
NewmarkNASDAQ: NMRK: Commercial real estate brokerage and property management services.
5+ YOE5+ years enterprise systems engineering with deep virtualization expertise (Nutanix, VMware, Hyper-V), hypervisor migration experience, PowerShell scripting, capacity/performance engineering, and regulated-change experience.
Nutanix, VMware, Hyper-V, PowerShell, Kubernetes, HCI
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Senior Systems Engineer
New York City, New York, United States
$168k-$255k/yr HybridFull Time
Hospital for Special Surgery
Hospital for Special Surgery: Provides specialized orthopedic, rheumatologic healthcare and medical research.
10+ YOEEnterprise systems engineer with 10+ years supporting on‑prem and cloud infrastructure, vulnerability remediation, automation (PowerShell/Python), hybrid architecture, VMware, Windows Server, networking, security tooling, and technical leadership.
Microsoft Windows Server, Microsoft Active Directory, Microsoft Exchange, VMware, Citrix, NetScaler, AWS, Microsoft Azure, PowerShell, Python, AIOps, EDR/XDR, SIEM/SOAR, IAM, MFA, PAM, Microsoft 365, Microsoft Visio, Microsoft Project, Linux, UNIX, SAN, NAS
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