Infleqtion

HQ
Boulder
Total Offices: 6
183 Total Employees
Year Founded: 2007

Jobs at Infleqtion

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Recently posted jobs

2 Days AgoSaved
In-Office
Kidlington, Cherwell, Oxfordshire, England, GBR
Greentech
Integrates complex multidisciplinary hardware systems involving RF, analogue, digital, optical, mechanical, and embedded technologies. Responsibilities include developing interfaces, cabling, power and control schemes; system bring-up; commissioning; troubleshooting; fault isolation; documentation; and verification and validation testing. The role uses laboratory test equipment, supports deployment and maintenance, coordinates with multidisciplinary engineering teams, and contributes to supplier integration, risk management, reliability, and continuous improvement for quantum sensing and positioning systems.
2 Days AgoSaved
In-Office
Louisville, CO, USA
Greentech
Leads the engineering operating system for complex quantum hardware and firmware products from concept through manufacturing transition. Establishes lifecycle processes, technical gate reviews, quality systems, AS9100 readiness, configuration and document control, engineering tools, laboratory operations, equipment planning, technical-data security, and cross-functional manufacturing-transition practices. Builds and manages Engineering Operations across quality, configuration management, document control, and laboratory functions while scaling consistent practices internationally.
Greentech
Lead end-to-end technical execution for a terrestrial quantum gravity gradiometer program. Own system architecture, technical decisions, risk mitigation, verification and validation, testing, and product readiness. Coordinate multidisciplinary engineering teams spanning systems, mechanical, thermal, opto-mechanical, electrical, embedded controls, and software. Partner with program leadership on cost, schedule, roadmaps, and technical execution while mentoring engineers and supporting deployed quantum sensing products.
Greentech
Leads enterprise applications, data and analytics, and PMO strategy and execution. Defines technology roadmaps, oversees application implementations and integrations, establishes data governance and reporting, and builds portfolio management practices. Partners with executives and business owners on investment decisions, delivery risks, process improvement, controls, vendors, budgets, and adoption. Develops teams and ensures reliable operation and continuous improvement of enterprise systems.
4 Days AgoSaved
In-Office
2 Locations
Greentech
Develop and maintain CI/CD, build, test, and deployment pipelines for integrated software, firmware and gateware. Manage hardware-in-the-loop configurations, lab servers, networks and backups. Implement IaC, containerisation, secure software supply-chain practices, and documentation while collaborating with multidisciplinary engineering teams to ensure production-grade, traceable releases and high system uptime.
5 Days AgoSaved
In-Office
Oxford, Oxfordshire, England, GBR
Greentech
Design and validate mixed-signal, digital, analog, and RF electronic systems for quantum technology products. Responsibilities include signal-chain architecture, circuit modeling and simulation, FPGA-based signal processing, PCB design and layout, RF shielding and routing, manufacturing-file generation, supplier engagement, test planning, verification, validation, risk management, and reliability analysis. The role is hybrid in Oxford, UK, with laboratory work and up to 10% international travel.
5 Days AgoSaved
In-Office
Kidlington, Cherwell, Oxfordshire, England, GBR
Greentech
Integrate complex multidisciplinary hardware systems involving RF, analogue, digital, optical, mechanical, and embedded components. Responsibilities include developing architectures, cabling, interfaces, system diagrams, and technical documentation; performing system bring-up, commissioning, troubleshooting, verification, and validation; diagnosing signal integrity, grounding, EMI/EMC, timing, communications, and power issues; and supporting deployment, supplier integration, risk management, and reliability improvements.
14 Days AgoSaved
In-Office
Louisville, CO, USA
Greentech
Own the full subcontract lifecycle for government and defense programs, including sourcing, RFPs, proposal evaluation, cost analysis, negotiation, contract execution, performance administration, modifications, compliance, and closeout. Maintain audit-ready procurement files and ensure FAR, DFARS, ITAR, EAR, and CPSR compliance while coordinating with suppliers, engineering, quality, finance, legal, and program teams.
14 Days AgoSaved
In-Office
Louisville, CO, USA
Greentech
Administer contracts from negotiation through closeout, including reviewing terms, assessing risk, ensuring FAR and DFARS compliance, managing deliverables and changes, advising stakeholders, coordinating government property reporting, and completing final invoicing and disposition activities. The role also maintains contract records, supports billing and collection, and collaborates with accounting, program teams, customers, and government officials.
18 Days AgoSaved
In-Office
Louisville, CO, USA
Greentech
Supports sales and commercialization of quantum hardware products by identifying prospects, engaging technical and business stakeholders, preparing presentations and quotations, managing CRM pipelines, coordinating supplier registration and procurement processes, and overseeing custom orders through production and delivery. Serves as a technically credible liaison between customers and internal Product, Engineering, Production, Contracts, Finance, Quality, and Supply Chain teams.
23 Days AgoSaved
In-Office
Washington, DC, USA
Greentech
Supports federal government affairs strategy across congressional and agency engagement, appropriations, authorization, policy analysis, stakeholder mapping, and executive briefings. Monitors legislation, budgets, regulations, and hearings; develops policy materials and engagement plans; coordinates government meetings, industry coalitions, consultants, and internal technical teams; and supports lobbying, compliance, and funding efforts related to quantum technology, national security, space, energy, and critical infrastructure.
24 Days AgoSaved
In-Office
Louisville, CO, USA
Greentech
Leads direct and indirect procurement for company operations and government contracts. Oversees sourcing, supplier selection, negotiations, purchase orders, supplier performance, procurement documentation, supplier risk, and FAR/DFARS compliance. Partners with program management, finance, contracts, legal, quality, engineering, and operations while developing the procurement team. Responsibilities include market research, cost analysis, savings initiatives, audit readiness, internal controls, and subcontractor management.
25 Days AgoSaved
In-Office
Kidlington, Cherwell, Oxfordshire, England, GBR
Greentech
Leads engineering delivery for quantum RF systems from early R&D through productization. Owns architecture, requirements, design trade-offs, verification, integration, documentation, manufacturability, reliability, and deployment readiness. Coordinates multidisciplinary hardware, software, mechanical, electrical, optical, systems, and verification teams while partnering with physics, project management, suppliers, and customers. Supports technical roadmaps and ensures robust, market-ready products are developed across the full lifecycle.
One Month AgoSaved
In-Office
3 Locations
Greentech
Develop and own production software controlling and calibrating neutral-atom quantum computers. Build backend services, control frameworks, scientific data pipelines, CI/CD systems, and containerized deployments. Debug the full control stack from embedded kernels through distributed services, collaborate closely with physicists and hardware engineers, and create tooling for experiments, real-time image analysis, and object detection.
One Month AgoSaved
In-Office
Louisville, CO, USA
Greentech
Qualify, assess, audit, and monitor suppliers for quality-system capability, technical competence, capacity, delivery, and risk. Manage supplier nonconformances, material review, root-cause analysis, CAPA, SCARs, quality plans, first-article inspections, traceability, and objective quality records. Interpret engineering documentation and ensure compliance with Government and defense contract requirements, including FAR Part 46. Collaborate with suppliers, procurement, engineering, manufacturing, program management, and customers.
One Month AgoSaved
In-Office
Louisville, CO, USA
Greentech
Leads global software development and serves as technical lead for quantum sensing products. Develops and productizes React/Next.js frontends and Python FastAPI backends integrating with embedded hardware, Rust middleware, and device-control systems. Responsibilities include architecture, code reviews, testing, documentation, CI/CD, Jira and sprint management, team coordination, and transitioning prototypes into production-ready systems.
One Month AgoSaved
In-Office
Louisville, CO, USA
Greentech
Design and integrate precision mechanical infrastructure for quantum gravity gradiometers deployed in laboratory, terrestrial, and space environments. Lead structural, thermal, vibration, shock, tolerance, and environmental analyses; integrate optical, electrical, vacuum, thermal, fiber, cable, and spacecraft interfaces; manage suppliers and product lifecycle reviews; support testing, risk resolution, reliability, and manufacturing readiness. Present technical decisions to customers and leadership while mentoring junior engineers.
One Month AgoSaved
In-Office
4 Locations
Greentech
Develop scalable, high-performance RTL and embedded processing systems for quantum computing applications. Collaborate with physicists and multidisciplinary engineering teams, architect processing chains, build analytical models, and tune and troubleshoot systems in laboratory environments. Apply software engineering practices including testing, version control, CI, static analysis, automated builds, documentation, and code reviews. The role may also lead small technical teams or projects.
One Month AgoSaved
In-Office
Chicago, IL, USA
Greentech
Develop modular scientific software platforms integrating models, data, simulations, and engineering workflows for quantum systems. Build MBSE tools, APIs, data models, visualizations, and orchestration capabilities; create HPC- and GPU-enabled simulations, optimization, digital twins, and machine-learning workflows. Collaborate with multidisciplinary scientists and engineers to validate models, improve manufacturability, and deliver maintainable production software using rigorous engineering practices and AI-assisted development tools.
One Month AgoSaved
In-Office
Louisville, CO, USA
Greentech
Lead the mechanical systems IPT for quantum gravity gradiometer hardware, driving requirements closure, design trades, CAD, analysis, drawings, procurement readiness, assembly, and testing. Coordinate with cross-functional teams, suppliers, and customers while ensuring alignment, vacuum, thermal, vibration, cleanliness, and integration requirements are met. Facilitate design and manufacturing reviews, manage risks and configuration control, mentor engineers, and provide schedule and cost inputs.