Software Systems Engineer - Level 3/4 (AHT)
Northrop Grumman3 days ago
Aurora, CO, USASenior / Staff+
Base Salary
$104k - $194k/yr
Responsibilities
- Lead architecture and implementation of reusable software components for a multi-variant product line.
- Elicit, analyze, and document functional and non-functional system-level requirements.
- Maintain traceability from requirements through design, implementation, and verification artifacts.
- Conduct cross-functional requirement reviews and drive consensus with hardware, firmware, QA, and product management stakeholders.
- Define and maintain hardware-software and software-software interface control documents.
- Create use-case, activity, and sequence diagrams describing system interactions and processes.
- Translate requirements into user stories, backlog items, and sprint deliverables with Agile teams.
- Oversee system-level integration testing, validation, and verification across product variants.
- Improve engineering processes, tooling, and documentation standards.
Requirements
- Level 3 requires a bachelor's degree and 5 years, master's degree and 3 years, or PhD and 1 year of relevant experience; an additional 4 years of relevant experience may substitute for a degree.
- Level 4 requires a bachelor's degree and 8 years, master's degree and 6 years, or PhD and 4 years of relevant experience; an additional 4 years of relevant experience may substitute for a degree.
- U.S. citizenship and the ability to obtain and maintain a Top Secret/SCI clearance are required.
- Experience eliciting, analyzing, and documenting system-level requirements and managing requirements traceability matrices.
- Familiarity with interface control documents and hardware-software and software-software interfaces.
- Working knowledge of modeling languages or tools for use-case, activity, and sequence diagrams.
- Experience with or familiarity with Agile/Scrum environments, backlog grooming, and sprint planning.
- Effective cross-functional communication and interpersonal skills.
- Proficiency with version-control systems and collaborative development tools such as Jira and Confluence.
- Preferred qualifications include product-family software platform experience, an active Top Secret/SCI clearance, Systems Engineering or Agile certification, MBSE experience, embedded programming in C/C++, Python, or Rust, knowledge of IEC 61508, ISO 26262, or FDA 21 CFR 820, and experience with automated testing and CI/CD pipelines.
Benefits
- Relocation assistance may be available.
- The role requires 10% travel.
- Employees may receive health insurance, life and disability insurance, a savings plan, company-paid holidays, and paid time off.
- Employees may be eligible for overtime, shift differential, and discretionary bonuses.
About Northrop Grumman
Northrop Grumman designs and manufactures aircraft, spacecraft, missile defense, C4ISR, and cyber systems for the U.S. government, NASA, and allied nations. The company operates primarily through long-term defense and space contracts, delivering products and services spanning autonomous systems, sensors, software, and sustainment. Founded in 1994 and headquartered in Falls Church, Virginia, it is a public company listed on the NYSE (ticker: NOC).