Software Systems Engineer - Level 3/4 (AHT)

Northrop Grumman•Aurora, CO

1d•$103,600 - $193,900•Onsite

About The Position

Northrop Grumman Space Systems is hiring a Software Systems Engineer, Level 3 or Level 4, based in Aurora, Colorado. The role leads architecture and implementation of reusable software components for a multi-variant product line and supports requirements, interface definition, modeling, Agile delivery, and system-level verification across product variants. The position requires the ability to obtain and maintain a Top Secret/SCI clearance and U.S. citizenship. Relocation assistance may be available, and travel is approximately 10%.

Requirements

U.S. citizenship and ability to obtain and maintain a Top Secret/SCI clearance.
For Level 3: Bachelor's degree and 5 years of relevant experience, Master's degree and 3 years, or Ph.D. and 1 year; an additional 4 years of relevant experience may substitute for a degree.
For Level 4: Bachelor's degree and 8 years of relevant experience, Master's degree and 6 years, or Ph.D. and 4 years; an additional 4 years of relevant experience may substitute for a degree.
Ability to elicit, analyze, and document functional and non-functional system-level requirements.
Experience with or knowledge of traceability matrices linking requirements to design, code, and verification.
Familiarity with interface control documents and defining hardware-software and software-software interfaces.
Working knowledge of modeling languages or tools for use-case, activity, and sequence diagrams.
Experience in or familiarity with Agile/Scrum environments, including backlog grooming and sprint planning.
Effective communication and interpersonal skills, with the ability to work successfully with cross-functional teams.
Proficiency with version-control systems and collaborative development tools such as Jira and Confluence.

Nice To Haves

Experience with product families that share a common software platform, such as automotive, aerospace, or medical devices.
Active Top Secret/SCI clearance.
Systems Engineering certification, such as INCOSE CSEP, or Agile certification, such as CSM or SAFe.
Familiarity with model-based systems engineering and tools such as Cameo Systems Modeler or IBM Rhapsody.
Programming proficiency in C/C++, Python, or Rust for embedded development.
Knowledge of safety and compliance standards such as IEC 61508, ISO 26262, or FDA 21 CFR 820.
Experience with automated testing frameworks and CI/CD pipelines.

Responsibilities

Lead architecture and implementation of reusable software components for a multi-variant product line.
Elicit, analyze, and document system-level functional and non-functional requirements for the product family.
Maintain traceability between requirements and design, implementation, and verification artifacts.
Conduct requirements reviews with hardware, firmware, quality assurance, and product management stakeholders, and drive consensus.
Define, develop, and maintain interface control documents for hardware-software and software-software interfaces.
Create use-case diagrams, activity flows, and sequence diagrams representing user interactions and internal processes.
Work with Agile teams to translate requirements into user stories, backlog items, and sprint deliverables.
Oversee integration testing, validation, and verification of system-level functionality across product variants.
Assess and improve engineering processes, tools, and documentation standards.

Benefits

Health insurance coverage
Life insurance
Disability insurance
Savings plan
Company-paid holidays
Paid time off for vacation and/or personal business
Potential overtime and shift differential, depending on the position
Discretionary bonus; annual bonuses are designed to reward individual contributions and share company results
Long-term incentives may be available for Vice President or Director positions
Relocation assistance may be available