Quest Defense

Title: Lead Embedded Software Engineer Location: Cedar Rapids, IA Job Description: Cedar Rapids, IA Engineers are the reason we exist—they’re the core of who we are. We don’t just build technology; we engineer the future. From next-gen aerospace to cutting-edge defense systems, our teams power the solutions that drive innovation, tackle mission-critical challenges, and keep people safe. This is where problem-solvers and big thinkers thrive. Quest Defense Systems & Solutions is seeking a Lead Software Engineer to join the Core Services & Libraries (CS&L) team in building the foundational software components that enable next-generation avionics systems. As Team Lead, you will guide a multidisciplinary team of software engineers who develop reusable libraries, I/O frameworks, and partitioned services in a safety-critical, certifiable environment. The lead(s) will operate within an Agile framework, balancing hands-on technical contribution with leadership, task planning, and delivery accountability. Due to the nature of this role, all candidates must be a US Citizen OR US Person. Preference is onsite in Cedar Rapids, IA. Will consider remote candidates meeting all requirements. Key Responsibilities: - Lead an Agile software development team within the Core Services & Libraries organization - Break down program-level objectives into executable user stories, tasks, and milestones - Assign and track work across team members, ensuring adherence to scope, schedule, and quality standards - Provide regular progress metrics and reporting to program management and customer representatives - Mentor team members on software design, partitioning, certification, and avionics standards - Contribute technically to architecture, design, and implementation of core software components - Collaborate with other leads to define interfaces, data flows, and I/O architecture across systems - Ensure development aligns with certification objectives (DO-178C DAL A/B) and coding standards - Participate in sprint planning, reviews, and retrospectives to continuously improve team performance Required Qualifications: - 8+ years of experience developing or testing embedded software - Strong experience in embedded C++ software development within RTOS environments (VxWorks preferred) - Demonstrated expertise with ARINC-653 partitioning, I/O frameworks, and low-level software design - Hands-on experience leading Agile or Scrum-based engineering teams - Proficiency in work decomposition, backlog management, and metrics-based reporting (e.g., velocity, burndown, earned value) - Experience with requirements traceability and verification (HLR/LLR) under DO-178C - Ability to coordinate across multiple engineering and certification disciplines Desired Qualifications: - Experience with ARINC 661 Cockpit Display Systems (CDS/UA integration) - Familiarity with I/O protocols, data dictionaries, and software architecture for reusable libraries - Background in DAL A certification or equivalent safety-critical domains - Familiarity with toolchains and CI/CD environments supporting configuration management and verification (Atlassian Suite, Jama, Coverity, Rapita, etc) Ideal Candidate: A hands-on technical leader who thrives on enabling the team to deliver complex, certifiable software in a dynamic environment. An engineer who can balance architectural vision with day-to-day execution, ensuring the team stays aligned, productive, and responsive. Someone who overcommunicates, thinks in systems, plans with precision, and leads by example. The QDSS Advantage: At QDSS, our advantage is purpose-driven work, collaborative teams, and complex challenges that push boundaries and build lasting impact. You’ll grow your career while contributing to mission-critical programs that demand excellence and shape the future. What You’ll Find Here - Work That Matters – Next-generation, safety- and mission-critical projects where your contributions have real-world impact. - Growth That’s Supported – Competitive compensation, employer-matched 401(k), certification assistance, and clear opportunities for advancement. - A Culture That Works – A flexible, collaborative, and people-first environment where teamwork, innovation, and balance are valued. Benefits Include - Competitive pay, comprehensive medical/dental/life and disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace. Full compensation package is based on candidate experience and certifications Pay Ranges $140,000 - $165,000 USD At Quest Defense Systems and Solutions, we don’t just build technology — we engineer the future. From next-generation aerospace solutions to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the boundaries of innovation. This is where problem-solvers, innovators, and visionary thinkers come together to shape the future. With over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Together, we’re not just leading the industry — we’re revolutionizing it. Quest Defense provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Abstract and consolidate core functions into reusable libraries and frameworks • Extract existing functionality from application code and refactor for shared use • Design and implement an I/O framework supporting multiple protocols and data interfaces • Define and maintain data dictionaries and I/O level specifications • Collaborate with system architects to ensure ARINC-653 partitioning integrity • Support certification activities through HLR/LLR documentation and DAL compliance • Contribute to long-term strategy for scalable, maintainable software infrastructure

• Lead an Agile software development team within the Core Services & Libraries organization • Break down program-level objectives into executable user stories, tasks, and milestones • Assign and track work across team members, ensuring adherence to scope, schedule, and quality standards • Provide regular progress metrics and reporting to program management and customer representatives • Mentor team members on software design, partitioning, certification, and avionics standards • Contribute technically to the architecture, design, and implementation of core software components • Collaborate with other leads to define interfaces, data flows, and I/O architecture across systems • Ensure development aligns with certification objectives (DO-178C DAL A/B) and coding standards • Participate in sprint planning, reviews, and retrospectives to continuously improve team performance

• Abstract and consolidate core functions into reusable libraries and frameworks • Extract existing functionality from application code and refactor for shared use • Design and implement an I/O framework supporting multiple protocols and data interfaces • Define and maintain data dictionaries and I/O level specifications • Collaborate with system architects to ensure ARINC-653 partitioning integrity • Support certification activities through HLR/LLR documentation and DAL compliance • Contribute to long-term strategy for scalable, maintainable software infrastructure

• Lead development of SystemVerilog / UVM verification environments for FPGA designs • Build and improve testbenches, agents, scoreboards, monitors, and sequences • Define verification strategy, test plans, and coverage goals • Drive functional, code, and assertion coverage closure • Support both simulation and emulation workflows (Veloce or similar) • Review and improve existing verification environments and processes • Guide engineers on UVM best practices and debug complex issues • Support DO-254 verification activities (requirements traceability, test evidence, audits) • Work closely with design, systems, and program teams

• Build and maintain FPGA emulation environments using Siemens Veloce or similar platforms • Port and optimize RTL and test environments from simulation into emulation • Debug complex system-level issues that only appear at scale or in hardware-accelerated environments • Improve emulation performance, compile times, and runtime efficiency • Integrate UVM-based environments into emulation workflows (not building UVM from scratch, but making it work in emulation) • Support validation of high-speed interfaces and system-level data flows • Collaborate with RTL, verification, and systems teams to resolve design and integration issues • Enable full-chip and subsystem validation that cannot be achieved in simulation alone • Support DO-254 verification activities, including traceability and test evidence where needed • Help define best practices for emulation workflows across programs

Title: Principal Software V&V Engineer - DO-178 / Multicore SoC Location: Endicott, NY Job Description: Engineers are the reason we exist—they’re the core of who we are. Embark on a journey with EXB Solutions at the forefront of technological innovation as we seek talented Engineers to shape the future of cutting-edge projects and contribute to a culture of excellence and creativity. What we do matters. Quest Defense Systems & Solutions is seeking Principal Software V&V Engineers with experience in safety-critical embedded systems to support advanced aerospace and defense programs. You’ll be verifying and validating software running on RTOS-based, multicore SoC architectures, ensuring compliance with DO-178C and alignment to system-level requirements. This includes hands-on work across integration, system test, and software verification (HLR/LLR) in complex hardware/software environments. This role is ideal for engineers who understand the added complexity multicore introduces in certification, including timing, determinism, and partitioning concerns. Location: Endicott, NY (potential to be hybrid) Due to the nature of this work, all applicants must be U.S. Citizens. Required Qualifications: - Bachelor’s degree in software engineering or a related engineering discipline - 8+ years of relevant Software Engineering experience in avionics or electronic controls embedded development in a safety or mission-critical environment (ie: aerospace, military). - Experience developing or developing on top of an RTOS (real-time operating system), as well as familiarity with RTOS concepts. - Experience with developing software to DO-178C standards. - Experience with C and Python. - Experience with Integration and Test at both system levels (HW/SW integration) as well as software test (HLR/LLR). Preferred Qualifications: - Experience with Asymmetric Multiprocessing - Experience with debug concepts on complex multi-core SoC. - Master’s degree in software engineering or a related engineering discipline. - Experience with ARM processors, associated System on Chip features, and ARM toolsets like ARM Dev Studio IDE and ARM DStream Probe. - Experience developing device drivers/board support packages. - Familiar with data transfer protocols (ARINC 615A, ARINC 429, MIL-STD-1553, PCIe, LIN, CAN). - Familiar with security concepts (authentication, authorization, confidentiality). - Familiarity with actuators and sensors like stepper/torque motors, solenoids, relays, VDT, VRT, etc. - Experience BVA (boundary value analysis), SCA (structural coverage analysis), DCCA (data and control coupling analysis). - Experience with DO-330 Tool Qualification. - Good soft skills: communication, active listening, self-management, raising and elevating roadblocks and hiccups, clear communication, and taking direction. - Good general understanding of engineering principles to adapt to new projects/environments and come up to speed quickly. - Team leadership experience, including project technical leadership and/or software functional leadership. - Experience in the adoption and/or integration of emerging technologies (e.g., generative AI, automation platforms, digital assistants) into day-to-day operations for continuous improvement. The QDSS Advantage: At QDSS, our advantage is purpose-driven work, collaborative teams, and complex challenges that push boundaries and build lasting impact. You’ll grow your career while contributing to mission-critical programs that demand excellence and shape the future. What You’ll Find Here - Work That Matters – Next-generation, safety- and mission-critical projects where your contributions have real-world impact. - Growth That’s Supported – Competitive compensation, employer-matched 401(k), certification assistance, and clear opportunities for advancement. - A Culture That Works – A flexible, collaborative, and people-first environment where teamwork, innovation, and balance are valued. Benefits Include - Competitive pay, comprehensive medical/dental/life and disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace. Full compensation package is based on candidate experience and certifications Pay Ranges $110,000 - $145,000 USD At Quest Defense Systems and Solutions, we don’t just build technology — we engineer the future. From next-generation aerospace solutions to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the boundaries of innovation. This is where problem-solvers, innovators, and visionary thinkers come together to shape the future. With over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Together, we’re not just leading the industry — we’re revolutionizing it. Quest Defense provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Verifying and validating software running on RTOS-based, multicore SoC architectures • Ensuring compliance with DO-178C and alignment to system-level requirements • Hands-on work across integration, system test, and software verification (HLR/LLR) in complex hardware/software environments

• Design electrical enclosures, control cabinets, and chassis systems • Create 2D and 3D CAD models and drawing packages (AutoCAD, Inventor, or similar) • Support panel layout, connector placement, and cable routing design • Interpret and work from electrical schematics and system requirements • Ensure designs meet EMC, seismic, and environmental standards • Support integration, testing, and validation of hardware designs • Document designs and support design reviews and verification activities • Collaborate with customers and internal teams to define scope and resolve issues

Title: Avionics Systems Engineer Location: Dallas- Fort Worth, TX, Remote Job Description: Shape the future of innovation as we tackle cutting-edge projects that make a difference. We’re not just in the business of engineering—we’re building a brighter future. Driven by creativity and a culture of excellence, we believe in the power of engineering to solve today’s challenges and create opportunities for tomorrow. What we do matters. Quest Defense Systems & Solutions is seeking an experienced and detail-oriented Systems Engineer to support the full lifecycle development of complex aerospace and defense systems, with a focus on the Health Awareness System Subsystem for a next-generation aircraft program. This role centers on requirements authoring, decomposition, traceability, and verification readiness within a structured systems engineering environment aligned to the V-Model lifecycle. The selected candidate will work to develop clear, testable system and subsystem requirements and ensure they are properly linked to verification strategies through development and maintenance of the Requirements Verification Traceability Matrix (RVTM). This individual will play a key role on the front end of the V-model while also supporting downstream verification activities, test documentation, and overall system maturity as the program progresses. The role also supports Model-Based Systems Engineering (MBSE) activities and contributes to system architecture alignment, technical reviews, and lifecycle milestones. Experience supporting avionics, mission systems, health monitoring architectures, or other safety-critical aerospace platforms is highly desirable. Due to the nature of the project, all applicants must be U.S. citizens or US lawful permanent residents. This role is highly desired to be onsite in Fort Worth, TX, though remote candidates may be considered. Key Responsibilities: - Developing, analyzing, decomposing, and managing system and subsystem requirements in collaboration with customers, stakeholders, and engineering teams - Ensuring requirements are clear, testable, traceable, and compliant with program and industry standards - Maintaining requirements baselines using tools such as DOORS, Jama, Polarion, or equivalent platforms - Supporting requirements reviews including SRR, PDR, and CDR and assisting with closure of gaps and discrepancies - Developing and maintaining the Requirements Verification Traceability Matrix (RVTM) linking requirements to verification methods (Test, Analysis, Inspection, Demonstration) - Coordinating with integration, test, software, hardware, and architecture teams to ensure verification readiness - Supporting development and maintenance of Interface Requirements Documents (IRDs) and Interface Control Documents (ICDs) - Participating in lifecycle technical reviews and ensuring requirements maturity aligns with design progression - Contributing to Systems Engineering Management Plans (SEMP), schedules, and technical documentation packages - Supporting verification readiness activities including Verification Readiness Reviews (VRRs) and qualification planning - Performing requirements quality assessments to ensure clarity, completeness, consistency, and feasibility - Contributing to risk identification activities including hazard analysis and participation in FMEA efforts - Supporting Model-Based Systems Engineering (MBSE) activities using SysML within Cameo Systems Modeler - Coordinating requirements alignment between architecture models and external requirements repositories - Collaborating with cross-functional teams to ensure architecture, interfaces, and verification strategies remain synchronized Required Qualifications: - Bachelor’s degree in systems engineering, Aerospace Engineering, Electrical Engineering, Computer Science, or related technical discipline - 5+ years of experience supporting requirements development and management within aerospace, defense, or complex engineering programs - Demonstrated experience authoring, reviewing, and managing system or subsystem requirements - Experience developing and maintaining Requirements Verification Traceability Matrices (RVTM) or equivalent artifacts - Familiarity with verification methodologies including Test, Analysis, Inspection, and Demonstration (TAID) - Working knowledge of requirements management tools such as IBM DOORS, Jama, Polarion, or equivalent - Understanding of the V-Model systems engineering lifecycle - Familiarity with systems engineering standards such as ISO/IEC 15288, IEEE 29148, EIA-632, or MIL-STD-499 - Strong technical writing, communication, and cross-functional coordination skills Preferred Qualifications: - Master’s degree in systems engineering or related discipline - INCOSE ASEP or CSEP certification - Experience supporting Health Awareness Subsystem (HAS), PHM, or FDIR architectures - Hands-on experience using Cameo Systems Modeler in an MBSE environment - Experience developing SysML artifacts including Requirements Diagrams, BDDs, IBDs, Activity Diagrams, and Sequence Diagrams - Familiarity with DO-178C, DO-254, MIL-STD-882, or AS9100 processes and compliance environments - Experience supporting verification planning, qualification testing, DT&E/OT&E, or TEMP development - Experience working in hybrid Agile / traditional systems engineering execution environments - Active DoD security clearance (Secret or higher) or ability to obtain one The QDSS Advantage: At QDSS, our advantage is purpose-driven work, collaborative teams, and complex challenges that push boundaries and build lasting impact. You’ll grow your career while contributing to mission-critical programs that demand excellence and shape the future. What You’ll Find Here - Work That Matters – Next-generation, safety- and mission-critical projects where your contributions have real-world impact. - Growth That’s Supported – Competitive compensation, employer-matched 401(k), certification assistance, and clear opportunities for advancement. - A Culture That Works – A flexible, collaborative, and people-first environment where teamwork, innovation, and balance are valued. Benefits Include - Competitive pay, comprehensive medical/dental/life and disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace. Full compensation package is based on candidate experience and certifications Pay Ranges $131,500 - $160,000 USD At Quest Defense Systems and Solutions, we don’t just build technology — we engineer the future. From next-generation aerospace solutions to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the boundaries of innovation. This is where problem-solvers, innovators, and visionary thinkers come together to shape the future. With over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Together, we’re not just leading the industry — we’re revolutionizing it. Quest Defense provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.