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Atom Computing

Full-time|On-site|Boulder, CO

Join Atom Computing as a Senior Infrastructure Engineer and play a pivotal role in designing and implementing cutting-edge infrastructure solutions. You will lead initiatives that drive efficiency, scalability, and innovation within our organization.

Apr 10, 2026

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Test Infrastructure Engineer

SciTec, a wholly owned subsidiary of Firefly Aerospace

Full-time|$113K/yr - $168K/yr|On-site|Boulder, Colorado, United States

SciTec, a proud subsidiary of Firefly Aerospace, stands at the forefront of technological advancements in the defense sector. For over 45 years, we have been dedicated to enhancing U.S. National Security and Defense by providing innovative solutions and cutting-edge technologies. Our expertise lies in developing advanced remote sensing algorithms and tools, enabling world-class data exploitation capabilities for critical missions in missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability.Important Notice: All applicants must be U.S. citizens due to the nature of our government contracts. Non-citizens will not be considered for this position.We are on the lookout for a Test Infrastructure Engineer who will be instrumental in designing, building, and operating the necessary infrastructure, environments, and tooling that facilitate effective testing across complex software and infrastructure systems. This role emphasizes the creation of test environments, system integration scaffolding, automation platforms, and CI/CD-integrated test infrastructure, rather than focusing on writing application test cases.The ideal candidate is a skilled infrastructure or platform engineer who possesses a testing-oriented mindset, enabling teams to conduct reliable, repeated, and scalable testing processes.

Mar 9, 2026

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Infrastructure as Code Automation Engineer

SciTec, a subsidiary of Firefly Aerospace

Full-time|$123K/yr - $165K/yr|On-site|Boulder, Colorado, United States

SciTec, a wholly owned subsidiary of Firefly Aerospace, is an innovative defense contractor dedicated to advancing U.S. National Security and Defense. With over forty-five years of experience, we have been at the forefront of developing cutting-edge remote sensing algorithms and technologies that enhance data exploitation capabilities for missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability missions.Important Notice: All SciTec employees must be U.S. citizens due to exclusive work on government contracts. We are unable to sponsor work visas, and U.S. citizenship is necessary to obtain a security clearance. Applicants not meeting these criteria will not be considered.We are currently seeking a skilled Infrastructure as Code (IaC) Automation Engineer to join our team and contribute to the development of Next-Generation Missile Warning software. This is an exciting opportunity to play a pivotal role in enhancing our national defense capabilities. In this fast-paced environment, you will be responsible for the end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data related to Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.Your primary focus will be to design, implement, and maintain automated infrastructure solutions that ensure reliability, consistency, and scalability in mission-critical environments. As part of the Infrastructure as a Service (IaaS) team, you will prioritize automation in infrastructure delivery, minimizing manual operations and facilitating rapid and repeatable provisioning of compute, storage, and networking resources.

Jan 22, 2026

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Infrastructure as a Service (IaaS) Engineer

SciTec, a Firefly Aerospace Company

Full-time|$123K/yr - $165K/yr|On-site|Boulder, Colorado, United States

Join SciTec, a subsidiary of Firefly Aerospace, at the forefront of advanced technology solutions for U.S. National Security and Defense. With a legacy spanning over 45 years, we have been pivotal in supporting the Department of Defense by developing cutting-edge remote sensing algorithms and tools that enhance missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability missions.Important Notice: SciTec operates exclusively on U.S. government contracts; therefore, U.S. citizenship is mandatory for all employees. Applications from non-citizens will not be accepted.We are actively seeking a skilled Infrastructure as a Service (IaaS) Engineer to bolster our Next-Generation Missile Warning software initiatives. This is a unique chance to be part of a team dedicated to delivering essential capabilities for national defense. You will collaborate within a dynamic environment, focusing on end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data relevant to Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.

Jan 20, 2026

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Software Engineer - Data Infrastructure & Acquisition

Speechify

Full-time|$140K/yr - $200K/yr|Remote|Boulder, CO, USA

Speechify aims to remove reading barriers for learners worldwide. With more than 50 million users, our text-to-speech products turn everything from PDFs to news articles into audio, helping people read faster and remember more. Our iOS and Android apps, Mac app, Chrome extension, and web platform have received awards from Google and Apple for design and accessibility. Our team includes nearly 200 people working fully remotely, drawing on experience from leading tech companies and top universities. Engineers, AI researchers, and product leaders collaborate closely to advance audio reading technology. Role Overview The Software Engineer - Data Infrastructure & Acquisition will join the AI team's data group. This role focuses on building and managing large-scale data collection systems that support model training. The work centers on developing high-quality datasets at petabyte scale using advanced infrastructure. What You Will Do Find and connect new audio data sources to the ingestion pipeline. Maintain and grow cloud infrastructure on Google Cloud Platform (GCP) with Terraform. Partner with data scientists to improve dataset cost, throughput, and quality for next-generation models. Work with the AI team and company leaders to plan the dataset roadmap for both consumer and enterprise products.

Apr 20, 2026

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Infrastructure Architect

stemxpert1

Full-time|On-site|Boulder

We are seeking an experienced Infrastructure Architect to join our dynamic team at stemxpert1. In this pivotal role, you will design and implement robust infrastructure solutions that support our innovative projects and initiatives. You will work closely with cross-functional teams to ensure that our infrastructure meets business requirements and industry standards.

Mar 8, 2016

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Infrastructure Architect

stemxpert1

Full-time|On-site|Boulder

We are seeking a skilled and innovative Infrastructure Architect to join our dynamic team at stemxpert1. In this role, you will leverage your expertise to design, implement, and manage robust infrastructure solutions that support our cutting-edge technology initiatives. You will collaborate with cross-functional teams to ensure that our infrastructure is scalable, secure, and efficient.

Mar 7, 2016

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Senior Data Engineer at CampMinder | Boulder, CO or Remote

CampMinder

Full-time|Remote|Boulder, CO or remote

Join CampMinder as a Senior Data Engineer, where you will play a crucial role in shaping our data infrastructure and analytics capabilities. In this position, you will collaborate with cross-functional teams to design, implement, and optimize data pipelines that fuel our business intelligence initiatives.As a key member of our engineering team, you will be responsible for ensuring the reliability, scalability, and performance of our data systems. If you are passionate about leveraging data to drive strategic decisions and possess a strong technical background, we encourage you to apply!

Apr 1, 2026

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Senior Thermal Engineer

Anduril Industries

Full-time|$126K/yr - $167K/yr|On-site|Boulder, Colorado, United States

Anduril Industries develops advanced defense technology for the U.S. and allied military forces. The company combines technical expertise with agile practices to deliver military systems quickly. Its Lattice OS platform uses AI to transform large data sets into real-time 3D command and control, supporting autonomy, computer vision, sensor fusion, and networking. The team aims to provide new military capabilities in months, not years. The Test and Analysis team at Anduril makes sure products can handle demanding air, land, sea, and space conditions. Team members collaborate with product groups throughout the lifecycle, from design and development to validation. Their work covers requirement analysis, environmental and electromagnetic interference testing, reliability assessment, and support for sustainable manufacturing. Analytical modeling, including structural-thermal-optical performance (STOP) analysis, helps identify ways to improve durability and deliver solutions efficiently. Role overview The Senior Thermal Engineer leads thermal analysis and design for hardware development programs in Boulder, Colorado. This role spans the full product cycle, from initial concept to production, with a focus on developing and validating models that enable rapid prototyping of advanced systems. What you will do Perform first-order thermal assessments to guide early design decisions Build detailed analytical models to refine prototype hardware Produce thermal predictions that inform and support hardware testing This position involves close collaboration with multidisciplinary teams and hands-on involvement in both analysis and testing phases. Location Boulder, Colorado, United States

Apr 27, 2026

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Senior Storage Engineer

SciTec

Full-time|$146K/yr - $171K/yr|On-site|Boulder, Colorado, United States

SciTec, a fully owned subsidiary of Firefly Aerospace, stands at the forefront of innovation as a unique defense contractor dedicated to enhancing U.S. National Security and Defense. With over 45 years of experience, we have proudly supported Department of Defense initiatives by developing cutting-edge remote sensing algorithms, tools, and techniques that provide unparalleled data exploitation capabilities for missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability missions.Important Notice: All positions at SciTec require U.S. citizenship due to the nature of our government contracts. We are unable to sponsor work visas of any kind, and citizenship is also necessary to obtain and maintain security clearances. Applicants who do not meet these criteria will not be considered.We are currently seeking a skilled Senior Storage Engineer to join our talented team in Boulder, CO. The ideal candidate will possess extensive experience in data center design, configuration, and maintenance, and will be adept in hardware procurement. A hands-on approach to solving complex data center challenges is essential, along with a collaborative spirit and a commitment to mentoring junior team members. Candidates should exhibit exceptional problem-solving abilities, a passion for data security and protection, and a strong focus on meeting customer needs.

Jan 30, 2026

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Senior Software Engineer - Modernization

CampMinder

Full-time|Remote|Boulder, CO or remote

As a Senior Software Engineer specializing in Modernization at CampMinder, you will play a pivotal role in transforming our software solutions to meet the evolving needs of our clients. Your expertise will help us enhance the performance, scalability, and user experience of our applications. This position offers the flexibility of working from our Boulder office or remotely, allowing you to contribute to impactful projects from anywhere.

Mar 30, 2026

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Senior AI Platform Engineer

CampMinder

Full-time|Remote|Boulder, CO or remote

Join our innovative team at CampMinder as a Senior AI Platform Engineer, where you'll lead the development and implementation of cutting-edge AI technologies to enhance our platform's capabilities. This role offers the opportunity to work remotely or from our Boulder, CO office, collaborating with a dynamic team dedicated to transforming the camp experience through technology.

May 1, 2026

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Senior Front End Software Engineer

SciTec

Full-time|$120K/yr - $175K/yr|On-site|Boulder, Colorado, United States

Join SciTec, a forward-thinking subsidiary of Firefly Aerospace, where we innovate at the intersection of technology and defense. For over 45 years, we have been at the forefront of supporting U.S. National Security and Defense through cutting-edge remote sensing technologies and advanced algorithms. We develop solutions that empower missile defense, intelligence, surveillance, reconnaissance, and more.Important Notice: All positions at SciTec require U.S. citizenship as we exclusively work on government contracts. We are unable to sponsor work visas, and U.S. citizenship is necessary to obtain a security clearance. Applications from non-citizens will not be considered.We are currently looking for a Senior Front End Software Engineer who is passionate about crafting user-centric web applications. This role focuses on delivering complex, real-time data in an accessible and intuitive manner, ensuring high performance and usability in mission-critical systems.The ideal candidate is an experienced frontend engineer committed to code quality, user experience, and system reliability. You will collaborate closely with backend, platform, and systems engineers to achieve our goals effectively.

Feb 11, 2026

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Senior Spacecraft Software Engineer - GNSS

Spire

Full-time|$130.5K/yr - $171K/yr|On-site|Boulder, CO

Join Our Team as a Senior Spacecraft Software Engineer (GNSS)At Spire, we are at the forefront of innovation in satellite technology, and we are seeking a talented Spacecraft Software Engineer to enhance our GNSS missions. You will be instrumental in developing and maintaining both flight and ground software, ensuring the seamless operation of our satellite payloads. Your expertise will span multiple system layers, from embedded software to cloud data pipelines, guaranteeing the precise and timely delivery of vital scientific data to our clients.This role is designed for individuals who thrive in an environment that values autonomy, creativity, and a broad technical skill set.

Mar 2, 2026

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Senior Software Engineer - Core Product

CampMinder

Full-time|Remote|Boulder, CO or remote

Join CampMinder as a Senior Software Engineer focusing on our core product offerings. We are looking for a talented individual who is passionate about software development and is eager to tackle challenging problems. In this role, you will work closely with a dynamic team of engineers to build innovative solutions that impact our users positively.

Mar 30, 2026

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Senior Sales Engineer - Space Services

Spire Global, Inc.

Full-time|$130K/yr - $170K/yr|On-site|Boulder, Colorado, United States

Join Our Team as a Senior Sales Engineer!At Spire Global, we are on the cutting edge of space technology, offering innovative solutions to the commercial market. As a Senior Sales Engineer specializing in our Space Services, you will be an integral part of a dynamic team, engaging directly with Account Executives and clients to identify operational needs, assess opportunities, and craft tailored space-based solutions.Your role will involve close collaboration with our satellite architects and engineering teams to develop solutions that harness Spire's advanced small satellite platforms and global infrastructure. This position demands a deep understanding of the complexities involved in building, launching, and operating small satellites, ensuring you have the expertise to meet customer requirements.The ideal candidate will possess strong technical skills in space systems design, complemented by excellent communication abilities, thriving in a customer-centric environment. You will lead technical discussions, negotiate requirements, and ensure that our solutions align with customer mission objectives. As the senior technical representative, you will confidently present to diverse audiences, even in high-pressure situations.

Nov 26, 2025

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Senior Numerical Algorithm Software Engineer

SciTec

Full-time|$155K/yr - $180K/yr|On-site|Boulder, Colorado, United States

At SciTec, a proud subsidiary of Firefly Aerospace, we are at the forefront of innovation as a non-traditional defense contractor, dedicated to providing cutting-edge technologies that bolster U.S. National Security and Defense. For over 45 years, we have partnered with the Department of Defense to craft pioneering remote sensing algorithms, advanced tools, and techniques that enable superior data exploitation capabilities, critical for missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability missions.Important Notice: Please note that SciTec exclusively engages in U.S. government contracts that necessitate U.S. citizenship for all employees. We are unable to sponsor or assume sponsorship of employee work visas of any kind. Furthermore, U.S. citizenship is essential for obtaining and maintaining a security clearance. Applications from candidates who do not meet these criteria will not be considered.SciTec is actively seeking skilled software and algorithm developers to join our dynamic team, focusing on the development of low-latency data processing, fusion, and tracking algorithms for remote sensing systems. Our ideal candidate should be adept in multiple programming languages and thrive in a fast-paced, collaborative environment composed of Scientists, Engineers, and Developers. The role involves prototyping and developing sophisticated algorithms for eventual integration in C++ on Linux operating systems within government frameworks.

Apr 30, 2026

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Senior Opto-Mechanical Engineer for Space Systems

Anduril Industries

Full-time|On-site|Boulder, Colorado, United States

Anduril Industries is seeking a highly skilled Senior Opto-Mechanical Engineer to join our innovative team focused on developing cutting-edge technology for space applications. In this role, you will leverage your expertise in opto-mechanical design and engineering to create advanced systems that meet the demanding needs of space exploration.

Apr 2, 2026

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Senior Software Platform Engineer at SciTec | Boulder, Colorado

SciTec, a wholly owned subsidiary of Firefly Aerospace

Full-time|$146K/yr - $175K/yr|On-site|Boulder, Colorado, United States

Join SciTec, a leading subsidiary of Firefly Aerospace, dedicated to delivering cutting-edge technologies that bolster U.S. National Security and Defense. With over 45 years of experience, we support the Department of Defense by developing innovative algorithms and tools for advanced data exploitation in missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability.Important Notice: All candidates must be U.S. citizens due to the nature of our government contracts. Applications from non-eligible candidates will not be considered.We are looking for a skilled Senior Software Platform Engineer to play a pivotal role in our team, contributing to the development of Next-Generation Missile Warning software. This is an exceptional chance to work with a small, agile company, providing essential capabilities for national defense. You will be part of a fast-paced team responsible for the end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data related to Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.As a key technical contributor on our Platform as a Service (PaaS) team, you will focus on application integration at a customer site. Your primary responsibilities will include building, operating, and refining platform capabilities that empower development teams to reliably deploy, operate, and scale applications in containerized environments.

Jan 22, 2026

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Senior Microfabrication Engineer at Atom Computing | Boulder, CO

Atom Computing

Full-time|On-site|Boulder, CO

Atom Computing builds quantum computers using optically trapped neutral atoms. The team includes scientists, engineers, and business professionals working together to advance quantum technology. Role overview Atom Computing seeks a Senior Microfabrication Engineer to lead process architecture for high-frequency optoelectronic devices. These devices are key to the company’s next-generation quantum computers. This role is based primarily in the COSINC cleanroom at CU Boulder. What you will do Design photolithography masks for novel optical substrates Develop and refine fabrication processes for unique device requirements Integrate device physics with hardware, addressing challenges such as connecting RF signals to precision optics Mentor junior engineers in fabrication techniques and best practices Help expand and improve Atom Computing’s internal microfabrication capabilities Location This position is based in Boulder, CO, with primary work in the COSINC cleanroom at CU Boulder.

Apr 17, 2026

Senior Opto-Mechanical Engineer for Space Systems

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