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Added 15 mins ago
VH
Program Analyst
Veterans Health Administration
Marion, IL
- $61,722 to $97,087 USD / year
The Marion VA Health Care System is seeking a Program Analyst to support the Chief of Staff (COS) Service. This position reports directly to the Group Practice Manager (GPM) and works…
Added 15 mins ago
NP
Cultural Resources Program Manager
National Park Service
Jemez Springs, NM
- $75,489 to $98,141 USD / year
You will serve as a Cultural Resources Program Manager (Interdisciplinary: Cultural Anthropologist/Archaeologist/Museum Curator) with Valles Caldera National Preserve, a unit of the…
Added 17 mins ago
Physical Therapist - Fee
Veterans Health Administration
Perry, GA
…therapist is under the overall supervision of the Department Chief of the Physical Medicine and Rehabilitation Service…
Added 17 mins ago
VH
Prosthetic Representative (Supervisor)
Veterans Health Administration
Richmond, VA
- $93,499 to $121,551 USD / year
The Prosthetic Representative (Assistant Chief) shares responsibility with the Chief for the management, oversight, and performance of the Prosthetic and Sensory Aids Service (PSAS) at the…
Added 17 mins ago
NI
Social and Behavioral Scientist Administrator (Program Officer)
National Institutes of Health
Montgomery County, MD
- $102,415 to $187,093 USD / year
Identifying opportunities and problem areas, research gaps and relevant program needs and making recommendations to the Branch Chief.
Added 20 mins ago
CA
Supervisory Border Patrol Agent (Supervisory Assistant Chief)
Customs and Border Protection
Washington, DC
- $147,899 to $192,275 USD / year
As a Supervisory Border Patrol Agent (Supervisory Assistant Chief), you will serve as a secondary law enforcement officer (under 5 U.S.C. 8336 (c) and 8412 (d)). Typical duties will include:
Added 20 mins ago
NS
MANAGEMENT AND PROGRAM ANALYST
Naval Supply Systems Command
Millington, TN
- $106,437 to $138,370 USD / year
You will direct and perform ongoing expert analysis serving as a trusted advisor and program manager for the Chief of Supply Corps and the Supply Corps OCM. | You will establish program…
Added 20 mins ago
SS
Program Analyst
Social Security Administration
Woodlawn, MD
- $102,415 to $133,142 USD / year
…and process improvement initiatives related to the assigned program area. The incumbent helps provide recommendations to management on program effectiveness, efficiency, and compliance, and…
Added 20 mins ago
NP
Archeologist (Temporary)
National Park Service
Yosemite National Park, CA
- $36 to $47 USD / hour
…develop a foundation for regional specialization for professional development; 4) Theory and methods of archeology (methods include, but are not limited to, typology, classification,…
Added 43 mins ago
OS
Account Executive Public Sector
Ozkar Services LLC
Bohemia, NY
- $65,000 to $90,000 USD / year
Document all leads, sales, and customer interactions in customer relationship management (CRM) program
Added 51 mins ago
CO
Assistant Administrator
City of Cleveland
Cleveland, OH
- $60,000 to $70,000 USD / year
…Office of Prevention, Intervention and Opportunity and the Chief of Community Services. Duties will include scheduling; preparation for meetings, events and travel; provide back-up for the…
Added 1 hour ago
Manager, Petroleum Terminal
Crowley Maritime Corporation
Seattle, WA
Highly preferred: prior service as a Navy Aviation Boatswain’s Mate (Fuels) Chief or Master Chief, Navy Supply Corps Officer, Air Force Fuels (2F0X1) Cryogenics/Hydrants Supervisor, or…
Added 1 hour ago
Testing Services Coordinator & Records Specialist (48484)
BLUE MOUNTAIN COMMUNITY COLLEGE
Pendleton, OR
…changing demands. Schedules and publicizes services, communicates program policies/procedures to campus and community and maintains integrity of testing…
Added 1 hour ago
Senior Clinical Director of Residential Services
Radias Health
Saint Paul, MN
The Senior Clinical Director of Residential Services will provide professional, quality program services to the clients served by RADIAS Health in our Intensive Residential Treatment…
Added 1 hour ago
Chief Program Officer, Policy, Research, and Prevention
Innocence Project
Remote, United States
The Chief Program Officer, Policy, Research, and Prevention reports to the Executive Director, and also works closely with all members of the Senior Leadership Team – including the Chief…
Added 1 hour ago
IP
Chief Program Officer, Exoneration Strategy & Support
Innocence Project
Remote, United States
- $229,500 to $298,000 USD / year
The Chief Program Officer, Exoneration Strategy & Support reports to the Executive Director, and also works closely with all members of the Senior Leadership Team – including the Chief…
Added 1 hour ago
Director of Hardware Engineering & Manufacturing
InnerPlant
Des Moines, IA
The Director of Hardware Engineering & Manufacturing will be based in Des Moines, IA, and reports to the Chief Operating Officer.
Added 1 hour ago
I
Staff Systems Engineer (Time and Frequency)
Infleqtion
Louisville, CO
- $160,000 to $210,000 USD / year
Work with the Chief Engineer and program leadership to establish a repeatable design-review structure, including standard review materials, required artifacts, action-item tracking, and…
Added 1 hour ago
I
Senior Counsel, Government Contracts
Infleqtion
Remote, United States
- $220,000 to $270,000 USD / year
…its legal team as Senior Counsel. Reporting directly to the Chief Legal Officer, this lawyer will work closely with the Government Contracts team and partner with business development,…
Added 1 hour ago
I
Senior Counsel, Government Contracts
Infleqtion
Remote, United States
- $220,000 to $270,000 USD / year
…its legal team as Senior Counsel. Reporting directly to the Chief Legal Officer, this lawyer will work closely with the Government Contracts team and partner with business development,…
Added 1 hour ago
I
Senior Counsel, Commercial & Strategic Transactions
Infleqtion
Remote, United States
- $220,000 to $270,000 USD / year
Infleqtion is seeking a Senior Counsel, Commercial & Strategic Transactions to report directly to the Chief Legal Officer and serve as a critical legal partner for commercial contracting…
Added 1 hour ago
I
Lead Systems Engineer-Terestrial Quantum Gravity Gradiometer (QGG)
Infleqtion
Louisville, CO
- $155,000 to $210,000 USD / year
Proven experience as a technical lead or chief engineer on a complex, multi-disciplinary development program.
Added 2 hours ago
CO
Traffic Review Principal Engineering Technician - Planning & Development
City of Phoenix
AZ
- $72,675.2 to $112,715.2 USD / year
The Planning & Development Department (PDD) guides the physical development of the city by preserving our historic sites, planning what can be built where, and ensuring safe construction of…
Added 2 hours ago
SO
Roadway/Bridge Construction - Transportation Generalist
State of Minnesota
Owatonna, MN
- $25.19 to $31.6 USD / hour
…by providing benefits, support resources, and training and development…
Added 2 hours ago
PP
Per Diem Nurse Practitioner - Minneapolis, MN
Planned Parenthood North Central States
Minneapolis, MN
- $48 to $60 USD / hour
…and in collaboration with the Associate Medical Directors, Chief Medical Officer, and Program Directors, the Clinician provides clinical services, including reproductive and sexual health…

Infleqtion

Staff Systems Engineer (Time and Frequency)

Louisville, CO, United States

$160,000 to $210,000 USD / year

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Job details

Pay: $160,000 to $210,000 USD / year
Posting language: English
Posted: Sep 23, 2026

Original job description

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through our ecosystem of devices and platforms. As a deep-tech startup, Infleqtion embraces a results-driven, fast-paced, and customer-focused approach to innovation. We seek an experienced Staff Systems Engineer to support multidisciplinary government and commercial R&D projects. The duties and responsibilities below describe the expected scope of ownership. Depending on business needs, this role may perform a combination of some or all of the following duties; additional duties may arise.

Own and manage system requirements for Time & Frequency products and programs, including customer requirement review, internal decomposition, traceability, and alignment across engineering teams.
Maintain Jama or equivalent requirements-management tools as the source of truth for customer requirements, derived requirements, verification methods, requirement status, version control, and change history.
Own and manage interface control documentation (ICDs), including source-of-truth documentation, revision control, and coordination across the physics package, lasers and optics, electronics, FPGA/firmware, software, mechanical, thermal, command-and-telemetry, and customer teams.
Lead verification and validation planning by mapping requirements to verification methods, defining evidence needs, coordinating test-plan inputs, and ensuring customer-facing V&V documentation is complete, consistent, and review-ready.
Coordinate with AI&T leads and technical teams to define, document, and oversee integration and test activities from subsystem through full-system level, including capture of performance data and preparation of results for internal and customer review.
Own the quality and readiness of customer-facing systems-engineering documentation, including templates, folder structure, revision control, release status, and delivery readiness.
Author major systems-engineering documents and assign technical sections to subject-matter experts as needed, including requirements documents, ICDs, system architecture documents, CONOPs, verification plans, test plans, design-review packages, and customer deliverables.
Drive Product Lifecycle execution for selected R&D, product-development, and customer programs by defining required deliverables, establishing review entry and exit criteria, preparing design-review packages, and tracking closure actions.
Work with the Chief Engineer and program leadership to establish a repeatable design-review structure, including standard review materials, required artifacts, action-item tracking, and customer-facing closure evidence.
Maintain the program risk register and support risk communication with program management and customers, including mitigation plans, assigned owners, schedule impacts, and linkage to technical decisions.
Support and maintain FMEA or similar failure-analysis documentation, ensuring identified failure modes are connected to requirements, design mitigations, test coverage, and program risks.
Own and maintain system CONOPs by working with physicists, subsystem leads, applications engineering, and customers to ensure operational concepts are consistent with system architecture, interfaces, operating modes, constraints, and intended use cases.
Own and maintain system architecture documentation for precision timing products, including functional allocations, subsystem responsibilities, timing and frequency-reference architecture, interfaces, operating modes, and change propagation across teams.
Own source-of-truth SWaP tracking by collecting updated size, weight, power, thermal, and environmental estimates from IPT leads; documenting assumptions and margins; and communicating impacts to architecture, requirements, risk, and customer deliverables.
Establish lean, right-sized systems-engineering processes suitable for deep-tech R&D, product development, and customer deployment without creating unnecessary process burden.
Ensure consistent use of systems-engineering tools and methods across selected programs, including requirements management, configuration control, document control, review readiness, traceability, and change management.
Bachelor's degree in engineering, science, physics, or a related technical field.
5+ years of progressive systems engineering experience with complex hardware/software systems, ideally including quantum systems, precision sensors, aerospace systems, spacecraft payloads, or other multidisciplinary R&D systems.
Demonstrated ability to own requirements from customer-level intent through internal decomposition, traceability, change control, and verification planning.
Experience developing or maintaining ICDs across electrical, mechanical, optical, software, command/telemetry, and customer interfaces.
Experience creating V&V plans, test plans, verification matrices, and customer-ready evidence packages for complex technical systems.
Experience with configuration management, document control, revision control, and formal technical review processes.
Ability to learn enough technical depth in complex physics, hardware, electronics, software, and integration/test systems to drive practical systems engineering decisions and keep teams aligned.
Demonstrated ability to work with engineers, physicists, program managers, customers, and subcontractors in a fast-paced, matrixed environment.
Professional-level written, verbal, and presentation skills, including the ability to turn incomplete technical inputs into clear customer-facing documentation.

Preferred skills:

Hands-on experience with Jama, DOORS, Polarion, or comparable requirements management and traceability tools.
Experience supporting government-funded R&D, NASA programs, aerospace payload development, or customer-facing technical reviews such as SRR, PDR, CDR, TRR, or equivalent gate reviews.
Experience managing FMEA, risk registers, action-item logs, design-review artifacts, or technical decision records.
Experience with AI&T, hardware bring-up, subsystem integration, environmental testing, qualification planning, or test readiness reviews.
Experience owning architecture diagrams, CONOPs, SWaP budgets, or interface documentation for systems involving sensors, lasers, electronics, software, controls, or telemetry.
Experience helping organizations implement lean Product Life Cycle or productization processes for R&D-to-product transition.
Salary Range: 160000 - 210000 per year
Comprehensive medical, dental, and vision coverage, including full-spectrum fertility support for growing families.
Employer-funded Health Savings Account
Unlimited PTO
401(k) match
Company-paid Life and AD&D Insurance
Flexible Savings Account
Paid FMLA, Maternity/Paternity Leave
Employee Assistance Program
Student Loan Repayment
Equity Program

Notice to Recruitment Agencies:

Infleqtion does not accept unsolicited resumes from agencies. Infleqtion is not responsible for any fees related to unsolicited resumes.

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