Principal Software Engineer, Product Security

At Spire, we are enhancing our approach to security engineering on a robust foundation, featuring a standardized AWS developer platform, a well-established toolchain for satellite software, ISO 27001 certification, and ongoing collaborations with government customers worldwide. In our pursuit of achieving CMMC Level 2+ compliance for Controlled Unclassified Information (CUI) handling in a defense-relevant environment, we are looking for a seasoned technical lead to direct our product security strategy and implementation.Your primary role will be to 'shift security left' and weave it throughout our development processes. This includes embedding automated controls such as Software Bill of Materials (SBOM), vulnerability scanning, and secure CI/CD pipelines. You will also maintain standard libraries and infrastructure for authentication, authorization, and logging. Additionally, you will develop monitoring tools for operational services and assist teams in aligning their systems with NIST 800-171/CMMC and other security objectives whenever control inheritance is insufficient.This is a senior, hands-on individual contributor role with leadership responsibilities where you will code, configure, and debug while mentoring a small team of security engineers. As the technical leader of our Product Security Team, you will collaborate closely with our Chief Software Engineer to ensure alignment with security objectives and the software roadmap, our AWS infrastructure team for cloud hardening, our development tooling team for satellite software security, and the cybersecurity/governance, risk management, and compliance (GRC) group. We maintain a lean setup where bureaucracy is managed primarily by GRC and TPM teams, allowing you to focus on impactful coding and architecture improvements based on our existing strengths.In this role, you may also participate in discussions with peers at governmental entities and other organizations regarding security-related matters.

About the Role As a Software Engineer focused on Product Security at Spire, you will engage in the hands-on design and implementation of security software aimed at integrating security measures early in our development lifecycle. Your responsibilities will include embedding automated controls like Software Bill of Materials (SBOM) and vulnerability scanning within CI/CD pipelines, maintaining and enhancing our internal libraries and infrastructure for authentication, authorization, and logging, and assisting with operational monitoring tools. You will also play a key role in aligning systems with NIST 800-171/CMMC standards, closely collaborating with the Principal Security Engineer, AWS infrastructure team, development tooling team, chief software engineer, and cybersecurity/GRC group. In this lean and impact-driven environment, you will prioritize the delivery of secure code and architecture while minimizing bureaucratic hurdles, allowing you to focus on what truly matters. You may occasionally engage in security discussions with government entities under the guidance of the Principal Security Engineer. Your work will be approximately 80-90% hands-on, with the remaining time dedicated to collaboration and learning.

About the Role As a Senior Software Engineer specializing in Product Security, you will engage in the hands-on design and implementation of security-focused software solutions. Your primary objective will be to integrate security into our development processes from the outset. This includes the incorporation of automated controls like Software Bill of Materials (SBOM) and vulnerability scanning within our CI/CD pipelines. You will also be responsible for maintaining and enhancing our internal libraries and infrastructure related to authentication, authorization, and logging, while aiding in the deployment of monitoring tools for operational services. Additionally, you will work closely with the Principal Security Engineer and various teams to align our systems with NIST 800-171/CMMC requirements. In this impact-driven environment, you will prioritize the delivery of secure code and architecture, with minimal bureaucracy. You may occasionally participate in security discussions with government entities under the guidance of the Principal Security Engineer. Approximately 80-90% of your work will be hands-on, with the remaining time dedicated to collaboration and learning.

About Atom Computing Atom Computing builds quantum computers using arrays of optically trapped neutral atoms. Our technology helps customers tackle complex computational problems that were once out of reach. The team includes scientists, engineers, and business professionals working together to advance quantum computing. Role Overview The Lead Principal Software Engineer will design and improve backend services for Atom Computing’s quantum platform. This role focuses on building scalable, reliable systems that support researcher workflows, manage quantum job orchestration, and offer external APIs for interacting with Atom’s quantum systems. Key Responsibilities Architect distributed backend services that power the quantum computing platform Define service boundaries and make architectural decisions for distributed systems Develop and optimize cloud infrastructure for high performance, reliability, and observability Design APIs and backend workflows to support quantum job orchestration and researcher needs Translate quantum execution models and data flows into well-structured backend systems Collaborate with physics, software, and hardware teams to evolve the platform into a commercially viable product Location and Collaboration This position is based in Boulder, CO. Regular in-person collaboration is required; expect to be in the Boulder office at least three days per week.

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.

SciTec, a proud subsidiary of Firefly Aerospace, stands at the forefront of innovative defense solutions, dedicated to enhancing U.S. National Security and Defense. Over the past four decades, we have collaborated with the Department of Defense to pioneer cutting-edge remote sensing algorithms, tools, and techniques, delivering exceptional data exploitation capabilities for vital missions, including missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability.Important Notice: All applicants must possess U.S. citizenship as SciTec exclusively handles U.S. government contracts. We cannot provide visa sponsorship for work permits of any kind. U.S. citizenship is necessary to obtain and retain a security clearance. Applications from individuals who do not meet this criterion will not be considered.We are seeking a highly skilled Senior Software Engineering Manager to lead the development and delivery of critical software solutions for national defense initiatives. This pivotal role merges extensive technical knowledge with proactive leadership, ensuring the delivery of secure and resilient software that performs under pressure. The Software Engineering Manager will facilitate the team's efforts to produce high-quality capabilities that align with program objectives and operational demands. If you are driven by the desire to create impactful solutions, SciTec is the ideal environment for your talents.

Your Impact:We are in search of skilled offensive security experts to spearhead security assessments, conduct red team operations, and execute network exploitation initiatives tailored to meet our clients' security needs.Your Responsibilities:Conduct offensive cyber operations to evaluate client networks and pinpoint vulnerabilities.Analyze computer networks and systems to uncover and assess security gaps.Perform in-depth analysis of malware and security tools to assess their capabilities.Deliver detailed written and verbal briefings on assessment outcomes to clients and management.Provide training and mentorship to junior operators on tools, techniques, and industry best practices.Design and develop scripts and tools to enhance operational efficiency.

Join SciTec, a leading non-traditional defense contractor dedicated to advancing U.S. National Security and Defense. With over 45 years of experience, we have consistently supported the Department of Defense by developing cutting-edge remote sensing algorithms, tools, and techniques that enhance missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability missions.Important Notice: All SciTec employees must be U.S. citizens due to our exclusive focus on U.S. government contracts. Applications from non-citizens will not be considered.We are currently seeking a skilled engineer to join our team and contribute to the development of Next-Generation Missile Warning software. This role offers a unique chance to work within a small, agile team that plays a critical role in national defense. You will be responsible for processing Overhead Persistent InfraRed (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.As a Staff or Senior Staff Rust Software Engineer, you will design, implement, and enhance high-performance software systems in a secure and mission-driven environment. This position is ideal for an experienced engineer who excels in independent work on complex technical challenges, contributes to system architecture and design, and collaborates effectively with cross-functional teams.

SciTec, a subsidiary of Firefly Aerospace, develops technologies for U.S. National Security and Defense. With over forty years in the field, the team specializes in remote sensing algorithms and data exploitation, supporting areas such as missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability. Important Notice: Only U.S. citizens may apply, as required by government contracts. Applications from non-citizens cannot be considered. Role overview This Staff or Senior Staff Rust Software Engineer position is based in Boulder, Colorado. The role centers on building Next-Generation Missile Warning software, processing Overhead Persistent InfraRed (OPIR) sensor data to support missions including Missile Warning, Missile Defense, and Battlespace Awareness. What you will do Design, build, and enhance high-performance software systems using Rust Work in a secure environment focused on national defense Collaborate with a multidisciplinary team to address technical challenges Contribute to architectural decisions for mission-critical software Process and analyze OPIR sensor data for various defense applications Requirements Experience with Rust and high-performance systems Ability to work independently and solve complex technical problems Strong collaboration and communication skills across teams Commitment to supporting national security missions

Join SciTec, a leading non-traditional defense contractor that is part of Firefly Aerospace, where we harness cutting-edge technologies to bolster U.S. National Security and Defense efforts. For over 45 years, we have proudly served Department of Defense clients by crafting innovative remote sensing algorithms, tools, and techniques that deliver superior data exploitation capabilities for missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability missions.Important Notice: All our projects are aligned with U.S. government contracts, necessitating U.S. citizenship for all employees. SciTec cannot offer sponsorship for work visas. U.S. citizenship is also required to secure and maintain a security clearance. Applicants not meeting these criteria will not be considered.We are excited to announce an immediate opening for a skilled software engineer to join our team, focusing on Next-Generation Missile Warning software development. This is a rare chance to become part of a dynamic small business that plays a crucial role in National Security and Defense. Our teams specialize in image analysis, low-latency data processing, and developing detection and tracking algorithms for the effective exploitation of remote sensing systems. The ideal candidate is a versatile C++ developer who thrives in a fast-paced, collaborative environment, with the capability to prototype, develop, integrate, and test advanced software solutions within Government frameworks.

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.

Join Atom Computing, a pioneering company at the forefront of quantum computing technology, where we harness the power of optically trapped neutral atoms to drive transformative advancements in computational capabilities. We are on a mission to enable groundbreaking breakthroughs for our customers with our innovative quantum systems. We are currently in search of an experienced Principal Hardware Engineer to spearhead the architecture, design, and implementation of custom electronic assemblies for the control system of our cutting-edge quantum computer. In this pivotal leadership role, you will shape our hardware strategy across multiple high-stakes projects while actively engaging in hands-on engineering tasks. This exciting opportunity is based in Boulder, Colorado, and reports directly to the Control Systems Hardware & Firmware Engineering Manager.

SciTec, Inc. is an innovative small business that has secured multiple government contracts, contributing to national security and defense through state-of-the-art sensor data processing technologies and scientific instrumentation. Our team is dedicated to developing cutting-edge tools for the Department of Defense and U.S. Government, delivering unparalleled data exploitation capabilities.Important Notice: All employees at SciTec must be U.S. citizens, as we exclusively work on government contracts that require U.S. citizenship. We cannot sponsor any work visas, and U.S. citizenship is essential for obtaining and maintaining a security clearance. Consequently, applications from candidates who do not meet this requirement will not be considered.We are currently seeking a skilled Senior Systems Engineer to join our dynamic team and support the development of Next-Generation Missile Warning software. This role offers a unique chance to be part of a small business that plays a vital role in national defense. You will collaborate within a fast-paced environment, focusing on end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data for critical areas such as Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence. The ideal candidate will excel in solving complex engineering challenges in support of our national security objectives.

Join SciTec, a pioneering force in advanced technology and defense solutions, where we are dedicated to supporting U.S. National Security and Defense. As a proud subsidiary of Firefly Aerospace, we have a rich legacy of over 45 years in delivering innovative remote sensing algorithms, tools, and techniques that enhance data exploitation capabilities for our Department of Defense clients.Important Notice: Please be aware that all positions at SciTec require U.S. citizenship due to the nature of our government contracts. We cannot provide visa sponsorship for employment. Additionally, U.S. citizenship is necessary to obtain and maintain a security clearance. Applicants who do not meet these criteria will not be considered.We are currently seeking a skilled software test engineer to play a vital role in our team, contributing to the development of Next-Generation Missile Warning software. This is a remarkable chance to be part of a compact yet dynamic business that delivers essential capabilities for national defense. You will collaborate with a fast-paced team, engaging in end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data, which is critical for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence initiatives. This position is based on-site in Boulder, CO.Responsibilities:Decomposing functional requirements to align with system and domain-level needsCreating comprehensive test plans and casesExecuting tests across multiple environments and supporting test executionDeveloping automated testing suitesParticipating in reviews of test engineering artifactsConducting performance analyses, risk assessments, and trade studiesMaintaining test documentation following management protocolsCompleting tasks to meet program schedule milestonesAdditional responsibilities as assignedQualifications:Bachelor's degree in physical sciences, mathematics, engineering, or computer scienceA minimum of 3 years of experience in software test engineering rolesAt least 1 year of experience in software development or test automation, preferably using PythonStrong team collaboration skillsExcellent verbal and written communication abilitiesMeticulous attention to detailAbility to obtain and maintain a DoD security clearancePreferred Qualifications:Experience testing Overhead Persistent InfraRed (OPIR) processing systemsFamiliarity with formal requirements verification for government programsExperience with Model-Based Systems Engineering (MBSE)An active DoD security clearance*Resumes, Cover Letters, and Applications generated by AI will not be considered for employment.

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.

Join our innovative team at Spire as the Director of Software Engineering. In this pivotal role, you will lead our software engineering division, driving the strategy and execution of our development projects. Your leadership will guide a talented team of engineers, fostering an environment of creativity and collaboration while ensuring the delivery of high-quality software solutions.As a leader, you will be responsible for overseeing the software development lifecycle, implementing best practices, and ensuring alignment with our business goals. You will work closely with cross-functional teams to define project requirements and deliver exceptional products to our customers.

Join SciTec, a pioneering subsidiary of Firefly Aerospace, as we advance technologies that bolster U.S. National Security and Defense. With a rich history spanning over 45 years, we have empowered the Department of Defense by innovating 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 employees at SciTec must be U.S. citizens due to our exclusive work on U.S. government contracts. We do not provide sponsorship for work visas of any kind. U.S. citizenship is also necessary to obtain and retain a security clearance. Candidates who do not meet these criteria will not be considered.We are currently seeking a skilled Network Architect to join our Boulder, CO team. Ideal candidates will possess extensive experience in network engineering, a hands-on approach to resolving complex network challenges, a collaborative mindset, and a proven track record of mentoring junior members. You should demonstrate exceptional problem-solving abilities, a strong commitment to security and data protection, and a customer-centric focus.Key Responsibilities:Design and implement high-performance, secure data center networks (LAN, WLAN, WAN) as part of product and corporate infrastructure teams.Configure and install routers and other network devices.Monitor critical network indicators (e.g., performance, device health, integrity).Troubleshoot and resolve issues escalated from lower service desk tiers across deployed, cloud, and local infrastructures.Automate tasks and evaluate their effectiveness.Provide mentorship on technical issues to team members.Develop, oversee, and test security measures (e.g., access authentication, disaster recovery).Collaborate with users to design optimal solutions.Architect and implement solutions to enhance network performance, capacity, and scalability.Maintain comprehensive technical documentation.Perform other duties as assigned.Qualifications:8+ years of relevant experience as a Network Engineer or Network Administrator.Expertise in data center network architecture and design, particularly with spine-leaf topology.CCIE (Data Center) or CCNP certification preferred; CCIE highly preferred.Strong knowledge of network security principles including monitoring, hardening, threat modeling, and access control models.Thorough understanding of communication protocols, especially TCP/IP, and routing protocols (e.g., BGP, OSPF).Experience...

SciTec, part of Firefly Aerospace, develops advanced technologies for U.S. National Security and Defense. With more than four decades of experience, the team supports Department of Defense missions by building remote sensing algorithms and tools that strengthen data exploitation for missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability. Role Overview The Associate Software Engineer will join the Boulder, Colorado office. This role supports projects that track multi-domain threats, optimize satellite scheduling for missile detection, and model or simulate complex systems. The position works closely with scientists, engineers, and developers to create and refine software solutions. What You Will Do Prototype, develop, integrate, and test advanced software Collaborate with technical teams on challenging defense and intelligence projects Work with C++ or Python to build and improve critical tools Requirements Proficiency in C++ or Python Comfort working in a collaborative, sometimes high-urgency environment U.S. citizenship (required by government contracts) Eligibility to obtain and maintain a security clearance Visa sponsorship is not available

About the Role Speechify is hiring an iOS Core Product Software Engineer in Boulder, CO. This role focuses on building and improving iOS applications that help people read and listen more easily. The team values creativity and collaboration, and engineers here contribute directly to features that make a real difference for users. What You Will Do Develop and refine core features for Speechify’s iOS apps Work closely with other engineers and product team members Help shape the direction of new and existing app capabilities Location This position is based in Boulder, Colorado.

Join our dynamic team at Prosidian Consulting as an IT Service Management (ITSM) Security Engineer I. In this entry-level role, you will support the development and implementation of IT security measures to protect organizational data and infrastructure. You will assist in evaluating security risks, implementing security protocols, and ensuring compliance with industry standards. This is a fantastic opportunity for those looking to kickstart their career in IT security!