> Markdown version of [/jobs/ext/3948868-principal-systems-engineer](https://www.wearedevelopers.com/jobs/ext/3948868-principal-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer - **Company:** Actalent - **Location:** Tucson, AZ, United States - **Salary:** $124,800.0 - $156,000.0 - **Contract:** Temporary to permanent - **Skills:** Microsoft Word, Microsoft Excel, Systems Engineering, Configuration Management, Network Interface Controllers, Microsoft Project, Microsoft Visio, Productivity Software, Software Architecture, Systems Development Life Cycle, Requirements Management, Simulation Software, Verification and Validation (Software), Systems Modeling Language, Systems Integration, Software Technical Review, Modeling and Simulation - **Published:** October 27, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/az/tucson/866f5c49-ad22-45a1-87dc-14a99d850941 ## About the Role * Proven systems engineering experience within the defense industry, with approximately 12+ years of relevant practice. * Strong background in systems engineering, including design, prototyping, modeling analysis, and simulation for complex systems. * Hands-on experience in requirements development, requirements management, and requirements configuration control. * Demonstrated ability to manage and collaborate across cross-discipline teams, including Electrical, Mechanical, Software, Guidance, Navigation and Control (GNC), Manufacturing, and Operations. * Ability to generate block diagrams and interface control diagrams, including electrical, logical, and software interfaces. * Integration, test, verification, and validation experience for complex systems. * Intermediate proficiency with MS Word, MS Excel, MS Visio, MS Project, and other applicable engineering and project management tools. * Excellent oral and written communication skills, with strong interpersonal abilities to work effectively with diverse technical teams. * Ability to obtain necessary security clearances. Additional Skills & Qualifications * Bachelors degree in an engineering, science, or related technical field is preferred. * Experience with rapid development environments and processes. * Familiarity with model-based systems engineering (MBSE) and related tools and languages such as SysML or equivalent. * Configuration management experience, including tools and processes for controlling system baselines. * Experience participating in formal technical reviews such as SRR, PDR, CDR, TRR, and Stage Gate reviews. * Strong analytical and problem-solving skills with the ability to perform detailed trade studies and timeline analyses. * Ability to work effectively in a fast-paced environment while balancing multiple technical and schedule priorities., Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. ## Description Operations Leadership Management Automation Innovation Stage Gate Prototyping Communication Microsoft Word Microsoft Excel Problem Solving Microsoft Visio Microsoft Project Project Management Industry Standards Systems Engineering Systems Integration Functional Analysis Simulation Software Time Off Management Product Requirements Productivity Software Requirements Management Software Technical Review Systems Modeling Language Engineering Design Process Balancing (Ledger/Billing) Verification And Validation Critical Design Review (CDR) Continuous Improvement Process Model Based Systems Engineering Guidance Navigation And Control Systems, This Systems Engineer role focuses on the design, development, integration, and maintenance of complex defense systems that meet stringent specifications and performance requirements. You will convert customer and product requirements into complete system solutions, guide technical teams, and ensure compliance with defense industry standards in a fast-paced, highly collaborative environment., * Lead and support the logical and systematic conversion of customer and product requirements into total systems solutions that account for technical, schedule, and cost constraints. * Perform functional analysis, timeline analysis, detailed trade studies, requirements allocation, and interface definition studies to translate customer needs into hardware and software specifications. * Troubleshoot and resolve system issues by collaborating with cross-functional teams to identify root causes and implement effective corrective actions. * Provide technical guidance and recommendations to engineering teams to drive innovation and advanced prototype concepts in automation, modeling and simulation, software architectures, and system integration. * Conduct system integration and testing to verify and validate the functionality, performance, and security of defense systems. * Participate in, lead, and coordinate the preparation, conduct, and closeout of internal and external customer reviews, including SRR, PDR, CDR, TRR, and Stage Gate reviews. * Identify potential technical risks and cost impacts associated with system development and implementation and contribute to mitigation strategies. * Ensure systems comply with applicable defense industry standards, regulations, and best practices. * Support rapid development activities and contribute to continuous improvement of engineering processes and tools.