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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer /Engineer Systems 3 - **Company:** 22nd Century Technologies, Inc. - **Location:** Los Angeles, CA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, JIRA, IBM Rational ClearCase, Data Reduction, Software Debugging, IBM Rational Software, IBM Rational Clearquest, Scaled Agile Framework, Software Requirements Analysis, Verification and Validation (Software), Systems Integration, Test Case, Integration Tests - **Published:** August 15, 2026 - **Apply:** https://www.dice.com/job-detail/cfa4ebee-fbe9-4ba6-b4e2-11975a5541fb ## About the Role * Bachelors of Science degree in STEM (Science, Technology, Engineering, Math) discipline with 8+ years of engineering experience OR Master's Science degree in STEM (Science, Technology, Engineering, Math) discipline with 6+ years of engineering experience OR PhD degree in STEM (Science, Technology, Engineering, Math) discipline with 4+ years of engineering experience * Experience with IBM Rational DOORS * Demonstrated success with: * Technical baseline management * Writing and updating DOORS requirement * Decomposing and deriving requirements based on customer specifications * Experience in System Engineering activities such as: * Software requirements development * Requirements development * Test Case development * Verification and Validation, i.e. experience running tests and documenting results * Excellent written and oral communication skills including: * Demonstrated experience presenting to internal and external stakeholders * Demonstrated experience communicating technical information, e.g. requirements updates, test plans, integration test plans, etc. * Demonstrated Experience supporting test investigations and debugging efforts * Collaborating with cross-functional teams * Active DoD Secret clearance required at the time of application * Ability to work onsite full-time at Woodland Hills, CA Preferred Qualifications: * Experience with the following interfaces: * MIL-STD-1553 * Experience with ARINC-429 * Experience with Etherne * Experience working in an Agile engineering team * Experience with JIRA * Systems Engineering experience on large, complex systems * Lab and system integration experience * Demonstrated experience with Model Based Systems Engineering and Cameo modeling (or equivalent) * Experience with ClearQuest / ClearCase. ## Description * We at XXXX are seeking a skilled Systems Engineer with a strong understanding of requirements development, test case development, and verification and validation of those requirements. The ideal candidate should be proficient with requirements technical baseline management via IBM Rational DOORS, and act as the technical lead and point of contact to the Chief Engineer and customer., * Work with a broad customer base to identify unique requirements, flow the requirements into design documentation, and work with a diverse team to build and test those requirements. * Present to customers on the capabilities of current products, performance analyses, design information, and requirements verification methods. * Generate, review, and manage multiple requirements sets that cover all aspects of both performance and nonperformance including mechanical interfaces, electrical interfaces, data requirements, environmental requirements, and reliability. * Awareness and responsiveness to contract milestones and deliverables. * Lead an Agile team to ensure the designs are sufficient to meet the system requirements. * Work with various Agile teams to ensure all requirements are verified through inspection, analysis, demonstration, or test often by providing test and data reduction scripts. * Provide test directions to ensure production tests and troubleshooting tests are executed correctly and resulting data conforms to requirements. ## Related Videos - [AIQSpecFlow: Improves and automates your agile process of specification and creation of testcases.](https://www.wearedevelopers.com/videos/100084-aiqspecflow-improves-and-automates-your-agile-process-of-specification-and-creation-of-testcases) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [A Hitchhiker's Guide to Resource Efficient Software](https://www.wearedevelopers.com/videos/1414-a-hitchhiker-s-guide-to-resource-efficient-software) - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Agile work at CARIAD – Creating a customer web application for controlling the vehicle ](https://www.wearedevelopers.com/videos/200-agile-work-at-cariad-creating-a-customer-web-application-for-controlling-the-vehicle) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Now is the time for industrialized software development](https://www.wearedevelopers.com/magazine/601-now-is-the-time-for-industrialized-software-development)