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3.9K jobs
K2 Space Backed by Lightspeed
19 views 2 weeks ago

Principal Build & Integration Engineer

Open 139d North AmericaFull-timePrincipal 8 questions
United States
Los Angeles, CA

Leads K2 Space's Mega-class satellite build campaign in Los Angeles, driving integration planning, build sequencing, and high-rate production improvements while acting as the vehicle integration point of contact. Day-to-day work spans CAD, clean-room/ESD handling, GSE tooling, and qualification testing (vibration, shock, TVAC, acoustic), with Python a plus.

Automation CAD Helm Itar Python
175K – 200K $
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K2 Space Backed by Lightspeed
24 views 2 weeks ago

Principal Flight Software Engineer

Open 125d North AmericaFull-timePrincipal 8 questions
United States
Los Angeles, CA

Principal Flight Software Engineer at K2 Space in Los Angeles designs and implements real-time, fault-tolerant control software for high-power satellites using Rust, C++, and Python, with responsibilities spanning architecture, subsystem integration, and on-orbit operations.

CI/CD C++ Embedded Software Embedded Systems Itar +7 skills
200K – 240K $
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First Citizens Bank
55 views 2 weeks ago

Principal Systems Engineer - Containers (Remote)

Open 60d RemoteNorth AmericaPrincipal
United States
NCSDAC-Data Center

Remote (US) principal-level engineer who leads the architecture, security, automation, and 24/7 operations of First Citizens Bank's enterprise Red Hat OpenShift/Kubernetes platform across hybrid and multi-cloud environments. Core tech: OpenShift, RHEL, Terraform/Ansible/ArgoCD, AWS/Azure/GCP, and Prometheus/Grafana/Splunk observability.

Ansible Argo CD Automation AWS Azure +24 skills
170K – 199K $
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Valkyrie Enterprises
16 views 2 weeks ago

C3BM Principal Systems Engineer (Job ID:4648)

North AmericaContractPrincipal
United States
Huntsville, AL

Principal systems engineer supporting C3BM/C2BMC systems engineering for the Missile Defense Agency in Huntsville, AL — providing interoperability engineering, interface and requirements definition, and integration analysis across MDA elements and contractors. Requires a STEM master's degree, 12+ years of experience, and an active Secret clearance.
Valkyrie Enterprises
17 views 2 weeks ago

C3BM Principal Systems Engineer – Advanced Technologies (Job ID:4647)

North AmericaContractPrincipal
United States
Huntsville, AL

Principal systems engineer supporting the Missile Defense Agency's C3BM/C2BMC efforts in Huntsville, AL: planning space-system data exploitation for missile tracking and discrimination, integrating PWSA sensors, and evaluating infrared data exploitation capabilities. Requires a STEM Master's, 12+ years of missile defense experience, and an active Secret clearance with TS/SCI eligibility.

TypeScript
SambaNova Systems
41 views 2 weeks ago

Senior Principal Rack System Integration Engineer

Open 77d North AmericaFull-timePrincipal 3 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
San Jose, California

A senior hands-on hardware role integrating SambaNova's AI accelerators into rack-scale systems — racking/stacking network, power, and compute gear, prototyping rack designs, and taking them to mass production and customer datacenter deployments. Core work centers on datacenter equipment (switches, power, fiber/copper networking, air/liquid cooling) and cross-team/vendor coordination.

Agentic AI AI Fiber GPU Networking +1 skills
210K – 280K $
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SANY America
8 views 2 weeks ago

Principal Hydraulic Systems Engineer

North AmericaPrincipal H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
Peachtree City, GA

Senior engineering leader at SANY America directing hydraulic systems for large-tonnage hybrid mining loaders: leading design reviews, optimizing load-sensing hydraulic performance, evaluating pumps/valves/cylinders and suppliers, and driving field validation and troubleshooting. Office-based in Peachtree City, GA with up to 25% travel.

FMEA Root Cause Analysis
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FIS
10 views 2 weeks ago

Principal Software Engineer, Customer Messaging Platform

North AmericaFull-timePrincipal
United States
Jacksonville, FL

Principal engineer at FIS setting the technical direction for a shared customer messaging platform spanning email, push notifications and SMS used across financial institution clients. Focus on architecture, deliverability, regulatory compliance (consent/opt-out), vendor decisions, and stakeholder partnership, using TypeScript, APNs/FCM and email authentication standards.

Agentic AI AI API Api Design Authentication +5 skills
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FIS
15 views 2 weeks ago

Principal Software Engineer, Platform Adoption and Migration

North AmericaFull-timePrincipal
United States
Jacksonville, FL

Principal engineer at FIS (Jacksonville, FL) leading enterprise-wide migration of product teams from legacy Angular to React and a new design system — building codemods, playbooks and AI-assisted tooling, supporting consuming teams, and retiring legacy frontend tech across banking, payments and capital markets.

AI Angular Fintech JAX Observability +1 skills
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SGX Group
6 views 2 weeks ago

AVP, Software Engineer

APACPrincipal
Singapore

Hands-on Assistant VP software engineer at Singapore Exchange designing, building, and running secure, scalable production systems for mission-critical market infrastructure, while mentoring engineers and applying agentic AI across the SDLC. Stack includes Python/Java/Go/TypeScript, AWS/GCP/Azure, cloud-native tooling, CI/CD, GitOps, and observability like OpenTelemetry, Prometheus, Grafana.

Agentic AI AI API Automation AWS +19 skills
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Pyramid Systems
18 views 2 weeks ago

Principal Software Engineer/Developer

Open 43d HybridNorth AmericaPrincipal H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
Fairfax, VA

Senior technical leader who defines enterprise-wide architecture strategy for cloud transformation, application modernization, and secure distributed systems, primarily on Azure. Day to day: advising executive stakeholders, leading complex integration initiatives, ensuring alignment with federal/regulated requirements, and mentoring technical teams.

Azure Cloud Cloud Native .NET
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ByteHire
13 views 2 weeks ago

Software Engineer

UKFull-timePrincipal
United Kingdom

Hands-on senior PHP full-stack engineer at a creator/physical-media technology platform: architects and delivers scalable PHP (Symfony/Laravel) services, APIs and AWS infrastructure, and mentors a small team while shaping technical direction with the Lead Engineer. Hybrid role, at least 2 days a week in the Elstree/Kings Cross offices.

API Automation AWS CI/CD Cloud +14 skills
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Microsoft
22 views 2 weeks ago

Principal Software Engineer

On-siteNorth AmericaPrincipal
United States
Washington, Redmond

Hands-on principal IC at Microsoft building the Agent Connectivity Platform for Agent 365 and Microsoft 365 Copilot: designing, shipping, and operating distributed services for agent connectors, connection lifecycle, authentication, and secure tool invocation, with on-call ownership and AI-first development. Based in Redmond, WA.

Agentic AI AI Authentication Cloud C++ +12 skills
143K – 275K $
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Foundant Technologies
45 views 2 weeks ago

Principal Software Engineer

RemoteNorth AmericaPrincipal
United States

Remote (US) Principal Software Engineer on Foundant's product engineering team: hands-on architecture and development of its SaaS platform serving foundations and nonprofits, plus production ownership. Core stack: Java/Spring Boot, TypeScript, Node.js, React, large-scale RDBMS, AWS, and AI-assisted tooling like Claude Code.

Accessibility Agentic AI AI AWS Claude Code +9 skills
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Microsoft
27 views 2 weeks ago

Principal Software Engineer- AI Frameworks

Open 46d On-siteNorth AmericaPrincipal
United States
Multiple Locations, Multiple Locations

Hands-on principal-level IC on Microsoft's AI Frameworks team, setting technical direction and building the frameworks, compilers, runtimes, benchmarking, and performance tooling that let state-of-the-art AI models run reliably at cloud scale on NVIDIA/AMD GPUs and Microsoft silicon. Core stack: C++, Python, GPU programming, and LLM serving systems.

AI Automation Azure Cloud C++ +6 skills
143K – 275K $
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Dscout
94 views 2 weeks ago

Mobile Principal Software Engineer

RemoteNorth AmericaPrincipal 3 questions
United States

Principal-level mobile engineer at Dscout who leads the mobile team building its UX research platform, architecting thin-client Swift/Kotlin apps, contributing Python to an AI-first backend using AI coding agents, and mentoring engineers. Remote (US), core hours 9:30 AM–5:00 PM CT.

Agentic AI Agile AI Android API +17 skills
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telesis-research-llc-e398b25b-5121-418a-8679-38df12dea3ad
21 views 2 weeks ago

C3BM Principal Systems Engineer (Advanced Technologies)

North AmericaContractPrincipal
United States
Huntsville, AL

Telesis is hiring a Principal Systems Engineer in Huntsville, AL to support the Missile Defense Agency's C3BM effort on the TEAMS Next MDS program, focused on space sensor data exploitation for missile tracking, discrimination, and cueing. Requires 12+ years on large DoD programs, a STEM Master's degree, and a Secret clearance.

TLS TypeScript
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AST SpaceMobile
51 views 2 weeks ago

Principal Systems Engineer

RemoteNorth AmericaPrincipal 11 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
Titusville, Florida

Lead Launch Vehicle Systems Engineer at AST SpaceMobile: owns spacecraft-to-launch-vehicle interface definition and ICDs, coordinates integration analyses, and serves as AST's technical authority at the launch site through campaign execution and launch. Requires 8+ years of aerospace systems engineering; remote role near Cape Canaveral, FL.

CAD
CONCEPT SOLUTIONS LLC
8 views 2 weeks ago

Principal Software Engineering Lead – Enterprise Application Modernization

HybridNorth AmericaPrincipal
United States
Hybrid- Washington DC Metro Area

Concept Solutions, LLC (CS) is seeking an experienced Principal Software Engineering Lead to provide technical leadership, establish engineering standards, and drive software quality across enterprise application…
APEX TK
13 views 2 weeks ago

C3BM Principal Systems Engineer

North AmericaContractPrincipal
United States
Huntsville

Senior systems engineer (12+ yrs) supporting the Missile Defense Agency's C3BM/C2BMC efforts in Huntsville: defining specifications, requirements, and interfaces, and ensuring interoperability across missile defense elements and contractors. Needs an active Secret clearance, a STEM master's degree, plus systems and network engineering skills.