Top Senior C++ Jobs in Houston, TX

As a Software Engineer at Citadel, you will build systems for investments, collaborate with researchers, and tackle complex problems.

Design, implement, and optimize MongoDB database integrations, Change Data Capture and streaming capabilities, and observability systems. Develop high-performance C++ services, contribute to query engine and distributed systems architecture, lead projects from design through production support, and collaborate with product and engineering teams on technical roadmaps.

Lead development of scalable Java backend applications and high-availability cloud services. Design architectures, REST APIs, databases, caching systems, and distributed session infrastructure. Mentor engineers, drive technical initiatives, address performance and scalability challenges, and uphold quality and automation practices for endpoint management products.

Design, build, operate, and scale cloud-native systems supporting Falcon Complete cybersecurity analysts. Responsibilities include developing web services and data pipelines, improving monitoring and reliability, automating operational tasks, collaborating with stakeholders, translating feature requests into requirements, and participating in 24/7 on-call rotations. The role involves distributed systems, microservices, databases, messaging platforms, container orchestration, and AI-enabled workflow improvements in a remote, asynchronous environment.

Deploy and integrate Hivemind autonomy software with maritime platforms worldwide. Support customer deployments, software development, on-water testing, training, demonstrations, debugging, documentation, and maritime system integrations involving controls, sensors, navigation, and communications. Collaborate with customers, sales, and product engineering teams to resolve integration issues and improve products.

Develops and maintains BIOS and platform firmware for server and high-performance computing systems. Responsibilities include platform bring-up, firmware implementation, hardware initialization, debugging, testing, integration, and release readiness. Collaborates with hardware teams, BIOS vendors, silicon partners, and software engineers while coordinating projects and mentoring less-experienced staff. The role requires expertise in C/C++, UEFI, Linux development environments, firmware testing, and complex hardware-software integration.

Provides Level 3 customer support for HPE Cray Programming Environment software. Analyzes, reproduces, isolates, debugs, and resolves complex issues; develops workarounds; escalates unresolved problems to HPE R&D or external partners; performs pre-release testing; documents issue resolution; supports customers after hours; and mentors less-experienced staff.

Lead and support reliability, performance, and operational integrity of equities electronic trading systems. Provide hands-on DevOps/SRE production support for FIX connectivity, Linux troubleshooting, Grafana observability, Kafka on AWS, incident triage, root cause analysis, automation via Python and Bash, and cross-team collaboration including investigating C++ components.

Design and implement C++ features for MongoDB’s replication infrastructure, improving availability, recovery, consistency, performance, and fault tolerance. Diagnose distributed-systems issues, develop comprehensive tests, collaborate across engineering teams, participate in design and code reviews, and mentor junior engineers. The role involves owning technical work from investigation through delivery and contributing to major MongoDB releases.

Develop and integrate FPGA designs within hardware and software systems. Create high-quality VHDL modules, configurable self-checking VHDL/OSVVM test benches, and verification environments. Apply knowledge of embedded C/C++, SoC integration, and UART, SPI, I2C, and I2S bus protocols. Support critical project milestones, including occasional evening and weekend work, while completing required background checks and drug screening.

Design, build, test, and operate production-grade, secure, and scalable software and services. Partner with customers to translate requirements into technical designs, drive engineering best practices (CI/CD, testing, observability), deliver end-to-end solutions, lead technical workstreams, and apply AI/LLM approaches where appropriate to produce production-ready outcomes.

Develops, evaluates, integrates, tests, and debugs safety-critical Orion GN&C flight software supporting NASA’s JETS II contract. The role uses MATLAB, Simulink, C/C++, Python, and TRICK/JEOD for software development, simulation analysis, verification, and troubleshooting. It also improves flight software processes, procedures, build management, and integration activities while collaborating onsite with NASA personnel and contractor teams at Johnson Space Center.

Leads the design, development, optimization, and troubleshooting of embedded firmware and software for hardware products. Oversees complex development projects, coordinates internal and outsourced engineering teams, documents protocols and requirements, ensures hardware-software integration, evaluates designs for compliance and quality, introduces new technologies, and mentors less-experienced engineers.

Develop Android operating-system components and HP-specific system services for enterprise and retail products. Responsibilities include device management, security, provisioning, telemetry, peripheral integration, debugging, compatibility testing, architecture reviews, documentation, and release readiness. The role collaborates with hardware, firmware, security, quality, product teams, ODMs, chipset vendors, and external partners to deliver maintainable platform capabilities across HP product families.

Leads the architecture, design, development, integration, testing, and maintenance of platform firmware and software systems. Provides systems engineering leadership across complex products, optimizes performance and scalability, reviews designs for compliance and quality, collaborates with internal and outsourced development partners, and mentors engineers. The role focuses on BIOS/UEFI, embedded systems, device drivers, hardware and firmware integration, security firmware, and technologies including USB-C, PCIe, and I2C.

Develops low-level embedded software throughout the software lifecycle, including requirements analysis, object-oriented design, coding, unit testing, integration, formal testing, documentation, and delivery. The role requires C/C++ programming, RTOS experience, embedded components such as BSPs, device drivers, or bootloaders, and familiarity with hardware interfaces and communication protocols. The engineer troubleshoots complex technical issues and collaborates across disciplines in a cleared aerospace environment.

Develops and supports embedded software across the full software engineering lifecycle, including requirements analysis, object-oriented design, coding, unit testing, integration, formal testing, documentation, and debugging. Applies software standards, Agile practices, MBSE, and AI prompting to mission-focused applications. Requires collaboration across teams and support for delivery activities, with up to 5% travel to Huntsville, Alabama.

Develops and maintains mission-focused software across the full lifecycle, including requirements analysis, software architecture and design, coding, unit testing, integration, formal testing, delivery, documentation, and debugging. Works with multidisciplinary teams and applies software standards, processes, and development tools. The role may involve C/C++, real-time operating systems, Agile development, MBSE, and software requirements engineering. A Final Secret clearance and U.S. citizenship are required.

Develops and maintains simulation software for NASA’s Orion spacecraft program. Responsibilities include designing, coding, testing, debugging, and documenting logical and mathematical models using C++, Python, MATLAB/Simulink, and Linux. Supports full software development lifecycle activities, real-time and hardware-in-the-loop simulations, software configuration management, user support, and compliance with software engineering standards.

Lead software test engineering activities across the full development lifecycle, including requirements analysis, coding, unit testing, integration testing, verification, qualification, and formal delivery. Develop and debug software using Perl, Python, and C++, while ensuring standards and requirements are met. Collaborate with multidisciplinary teams and apply embedded systems, Agile, and DevSecOps practices. The role requires an active Interim Secret Clearance, eligibility for Final Secret, U.S. citizenship, and a STEM bachelor's degree.

Develops, tests, debugs, documents, and maintains software for business and mission applications. Applies software development lifecycle standards, resolves program errors, analyzes system capabilities, and supports multithreaded applications using C++, Python, Linux, networking technologies, and related development tools.

Develop and maintain simulation software for NASA’s Orion spacecraft program. Responsibilities include designing, coding, testing, debugging, and documenting logical and mathematical models using C++, Python, and MATLAB/Simulink. The role supports full software development lifecycle activities, hardware-in-the-loop environments, software quality practices, user support, and simulation of hardware functionality, system dynamics, and mission scenarios.

Lead design and build of production-ready cloud and AI systems, prioritize security and reliability, ship solutions quickly using modern engineering practices, collaborate with cross-functional teams, mentor engineers, drive customer adoption, and deliver reusable assets and end-to-end complex deliveries.

Develop and launch NVIDIA HGX GPU-accelerated server platforms for production. Responsibilities include creating diagnostic tests, debugging hardware, firmware, and software interactions, ensuring design-for-excellence and signal integrity compliance, defining manufacturing test specifications, optimizing assembly lines and production screens, analyzing yield data, and supporting customer quality issues. The role requires strong electrical engineering fundamentals, digital design, timing analysis, statistics, fault analysis, and computer architecture expertise.

Designs, analyzes, produces, tests, certifies, and delivers electrical equipment and printed circuit boards for space-flight systems supporting missions to the Space Station, Moon, and Mars. Responsibilities include circuit board layout, FPGA or microprocessor programming, sensor integration, communications protocols, motor control, power electronics, laboratory testing, and compliance with aerospace electromagnetic and environmental requirements.