Jobs at John C. Cassidy Air Conditioning and Plumbing, Inc.

This onsite Senior Command & Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java, C++, and modern DevSecOps practices. Key responsibilities include working in an Agile environment to implement multi-tiered architectures, microservices, and containerization technologies like Docker and Kubernetes. The role offers the opportunity to engage with advanced space-based systems and flight dynamics while contributing to national defense missions. It is particularly appealing for engineers seeking to work on complex, meaningful problems with a global leader in aerospace and defense. The position requires an active TS/SCI security clearance and U.S. citizenship, with relocation assistance available for qualified candidates.

This onsite Senior Command & Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java, C++, and modern DevSecOps practices. Key responsibilities include working in an Agile environment to implement multi-tiered architectures, microservices, and cloud technologies like AWS. The role appeals to engineers seeking to solve complex mission-critical problems that support national security and space operations. Candidates will gain exposure to advanced satellite technologies including flight dynamics and spacecraft operations. The position requires an active TS/SCI security clearance and U.S. citizenship, offering a collaborative culture rooted in innovation and a chance to work with world-class engineering teams on cutting-edge aerospace defense solutions.

This onsite Principal Engineer role within Raytheon's Air & Space Defense Systems team focuses on modernizing command and telemetry software for satellite ground systems. The position involves designing, developing, and maintaining complex software solutions using Java, C++, and modern DevSecOps practices within an Agile environment. Key responsibilities include implementing multi-tiered architectures, managing continuous integration pipelines, and collaborating with cross-functional engineering teams to solve critical aerospace challenges. The role offers the opportunity to work with advanced technologies such as AWS, microservices, and containerization while contributing to national security missions. Candidates will benefit from a culture rooted in innovation and safety, access to cutting-edge space intelligence systems, and relocation assistance for qualified U.S. citizens holding an active TS/SCI security clearance.

This onsite Senior Command & Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java, C++, and modern DevSecOps practices. Key responsibilities include working in an Agile environment to implement multi-tiered architectures and microservices while integrating advanced technologies like AWS and containerization. The role appeals to engineers seeking to solve complex, meaningful problems that contribute to national security and space defense. It offers the opportunity to work with world-class teams on cutting-edge mission-critical systems, with relocation assistance available for qualified candidates.

This onsite Principal Engineer role within Raytheon's Air & Space Defense Systems unit focuses on modernizing command and telemetry software for satellite ground systems. The position involves designing, developing, and maintaining complex software solutions using Java, C++, and Linux environments while collaborating with agile teams on multi-tiered architectures and microservices. Key responsibilities include implementing modern DevSecOps practices, managing continuous integration pipelines, and advancing spacecraft operations technologies. The role appeals to engineers seeking to solve high-stakes national security challenges at a global aerospace leader. It offers the opportunity to work with cutting-edge technologies like AWS and Kubernetes while contributing to a mission that protects freedoms and ensures a safer world. Relocation assistance is available for qualified candidates.

This onsite Principal Command & Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java, C++, and modern DevSecOps practices. Key responsibilities include working in an Agile environment to implement multi-tiered architectures, microservices, and cloud services while integrating advanced command and telemetry technologies. The role appeals to engineers seeking to solve complex, meaningful problems that contribute to national security and space defense. It offers the opportunity to work with cutting-edge technologies like Kubernetes and AWS alongside a collaborative team of experts. Candidates must hold an active TS/SCI security clearance and U.S. citizenship. Relocation assistance is available for qualified applicants.

This onsite Senior Command & Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java and C++ in an Agile environment. Key responsibilities include implementing multi-tiered architectures, utilizing AWS web services, and applying modern DevSecOps and CI/CD techniques to support mission-critical space operations. The role appeals to engineers seeking to work on complex aerospace challenges that contribute to national security and global defense. Candidates will gain exposure to advanced technologies like microservices, containerization, and spacecraft operations while collaborating with a team of talented engineers. An active TS/SCI security clearance and U.S. citizenship are mandatory requirements for this position.

This onsite Principal Command & Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java, C++, and modern DevSecOps practices. Key responsibilities include working in an Agile environment to implement multi-tiered architectures, microservices, and cloud services while integrating command and telemetry technologies. The role appeals to engineers seeking to solve complex aerospace challenges with a team dedicated to national security and innovation. It offers opportunities to master advanced technologies like containerization and AWS, supported by a culture rooted in safety, trust, and collaboration. Relocation assistance is available for qualified candidates.

This onsite Senior Command & Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java and C++ in an Agile environment. Key responsibilities include implementing multi-tiered architectures, utilizing AWS web services, and applying modern DevSecOps and continuous integration techniques. The role offers the opportunity to work on cutting-edge space-based systems and gain expertise in flight dynamics and spacecraft operations. It appeals to engineers seeking to solve complex national security challenges while contributing to a culture rooted in safety, trust, and innovation. Relocation assistance is available for qualified candidates.

This onsite Principal Command and Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java, C++, and modern DevSecOps practices. Key responsibilities include working in an Agile environment to implement multi-tiered architectures, microservices, and cloud services while integrating command, telemetry, and flight dynamics technologies. The role appeals to engineers seeking to solve complex aerospace challenges with a team dedicated to national security and innovation. Candidates will gain exposure to advanced technologies like containerization and AWS while contributing to mission-critical defense systems. An active TS/SCI security clearance and U.S. citizenship are mandatory requirements for this full-time, on-site position.

This tenured Software Development Engineer III role at Capital Group focuses on designing and implementing distributed systems and data-intensive applications to support critical investment capabilities. Key responsibilities include architecting scalable cloud-native services, building reliable data workflows, and developing agentic AI systems to automate complex analytical tasks. The position emphasizes a culture of ownership where engineers guide systems from ideation through production support while mentoring peers and influencing technical direction. The role appeals to candidates seeking a collaborative environment that values diverse perspectives, offers flexible work options, and provides robust professional development resources. Based in Southern California, the position combines deep technical challenges in AI and data engineering with a mission-driven approach to improving investor outcomes.

This full-time hospitalist role involves providing comprehensive inpatient obstetrical and gynecological care for a team of 14 physicians serving two hospitals in Fort Wayne, Indiana. Key responsibilities include managing high-risk antepartum patients, handling obstetrical emergencies, collaborating with midwives and perinatology specialists, and mentoring medical residents. The position offers the appeal of working within a top-ranked health system dedicated to improving maternal health outcomes and health equity. The role features 24-hour in-house coverage with a supportive environment that includes advanced facilities for labor and newborn care. Located in a city known for its low cost of living and strong work-life balance, the position allows for professional growth within a large, collaborative organization.

This full-time GPU Systems Engineer role focuses on designing and optimizing high-performance compute workloads using CUDA for AI training, inference, and scientific computing. The position involves developing custom CUDA kernels, tuning memory hierarchies for peak efficiency, and integrating optimized libraries into ML frameworks like PyTorch. The role offers the appeal of working directly with an established in-house team on long-term strategic projects without third-party intermediaries. It provides significant career growth potential within a forward-thinking culture that values engineering excellence and mentorship. The position is fully remote for candidates located in the continental United States.

This travel assignment seeks an experienced Radiologic Technologist to support Crouse Health in Syracuse. The role involves performing X-ray procedures using GE OEC C-arms across orthopedic, neurology, urology, and general surgery departments while adapting to emergent situations with diverse patient populations. Key responsibilities include floating between multiple units, maintaining BLS certification, and adhering to a schedule of four 10-hour shifts per week with every other weekend off. The position offers a direct application process that eliminates recruiter intermediaries, providing greater transparency and flexibility for allied health professionals seeking a modern work arrangement.

The Senior Portfolio Operations Analyst role supports the Portfolio Accounting team at Allspring Global Investments in Milwaukee. The position involves leading process improvements across portfolio accounting and performance functions, managing new product deployments, and resolving complex discrepancies with custodians. Key responsibilities include mitigating risk, enhancing operational efficiencies, and overseeing daily reconciliations and reporting. The role appeals to professionals seeking a leadership opportunity within a collaborative environment that values continuous improvement and execution excellence. The position operates on a hybrid model requiring four days of in-office work per week.

This entry-level software developer role at ASSYST involves designing, developing, and maintaining software applications for clients. The position requires collaboration with cross-functional teams to deliver high-quality products using languages such as HTML, CSS, JavaScript, Java, or Python. Key responsibilities include writing efficient code, debugging defects, documenting specifications, and providing customer support. The role is appealing due to the opportunity to work with modern technologies, receive mentorship from experienced developers, and access a robust benefits package that supports work-life balance. Candidates must be eligible for a background clearance. The position is based on-site with potential for professional growth in a collaborative environment.

This on-site Diesel Technician role supports Ryder's Automotive team in maintaining a leading logistics and transportation fleet. The position involves diagnosing and repairing diesel engines, transmissions, and electrical systems while performing preventive maintenance inspections to ensure DOT compliance. Technicians utilize electronic diagnostic tools to troubleshoot complex issues and document all work accurately within maintenance systems. The role appeals to skilled mechanics through a supportive, safety-focused culture that values innovation and continuous improvement. Opportunities for professional growth include ongoing training, access to OEM certifications, and collaboration with a team dedicated to minimizing vehicle downtime.

The Orthopedic Trauma Surgery Physician Assistant role at Dignity Health in Phoenix, Arizona, focuses on delivering comprehensive acute care for patients with orthopedic conditions. Key responsibilities include managing inpatient care across preoperative, perioperative, and postoperative phases, serving as a first assist in surgeries, and providing emergency room consultations. The position requires rotating 24-hour call coverage, coordinating with multidisciplinary teams, and ordering diagnostic tests. This opportunity appeals to candidates seeking a collaborative environment within a respected healthcare system, offering professional growth through direct involvement in complex trauma cases and quality improvement initiatives.

This full-time Project Engineer role supports Resource Innovations, a women-led energy transformation firm, by delivering technical engineering and sustainability services for utility programs in Arizona. Key responsibilities include conducting energy audits, performing site inspections to verify equipment installations, and executing measurement and verification activities for commercial and industrial facilities. The position requires analyzing energy savings, modeling building systems, and communicating effectively with contractors and customers. The role appeals to candidates seeking to drive carbon reduction and energy efficiency impact within a collaborative, integrity-driven culture. The position offers a hybrid work arrangement combining remote flexibility with local travel within the Phoenix metro area.

The Mission Crew Training Simulator Training Specialist role supports the Defense Sector at Offutt AFB, Nebraska, within a team dedicated to the Air Combat Command's ISR mission. Key responsibilities include designing and updating MCTS training scenarios for RC-135 aircrew, standardizing task objectives for mission qualification, and maintaining training servers to address security vulnerabilities. The position requires a TS/SCI clearance and experience with instructional design or military training systems. This opportunity appeals to candidates seeking a challenging career in a mission-driven environment that prioritizes professional growth and innovation. The role is based on-site at the military facility.

The Lead Software Engineer role at L3Harris Technologies involves leading a multidisciplinary team developing satellite command and control systems using web and cloud technologies. Key responsibilities include designing and integrating mission-critical software with existing and emerging architectures, applying Agile and DevOps practices, and mentoring junior engineers. The position offers the opportunity to work on cutting-edge space domain systems within a collaborative environment that values continuous learning and innovation. Candidates must hold an active Top Secret security clearance and possess extensive experience in full-stack development, with preferred expertise in Java, Python, and containerization technologies.

This full-time Lead Software Engineer role at L3Harris Technologies involves leading a multidisciplinary team developing satellite command and control systems. Key responsibilities include designing and integrating mission-critical software using Agile and DevOps practices, maintaining deployed systems, and mentoring junior engineers. The position appeals to candidates seeking to work with cutting-edge cloud technologies and distributed computing in a dynamic environment. The role requires an active Top Secret security clearance and offers the opportunity to contribute to national security missions while fostering a culture of continuous learning and innovation.

This full-time Lead Software Engineer role at L3Harris Technologies involves leading a multidisciplinary team developing satellite command and control systems. Key responsibilities include designing and integrating mission-unique software using modern DevOps practices, maintaining deployed systems, and mentoring junior engineers. The position requires adapting existing architectures to new frameworks while ensuring high-quality delivery through Agile methodologies. The role is appealing for its opportunity to work on cutting-edge space domain technologies within a collaborative, innovative environment. Candidates must hold an active Top Secret security clearance and possess extensive experience in full-stack development with languages such as Java, Python, or C#.