> Markdown version of [/jobs/ext/3874154-systems-engineer-level-3-4](https://www.wearedevelopers.com/jobs/ext/3874154-systems-engineer-level-3-4). 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).

---

# Systems Engineer - Level 3/4

- **Company:** Northrop Grumman
- **Location:** Redondo Beach, CA, United States
- **Experience:** Expert
- **Salary:** $114,000.0 - $171,000.0
- **Contract:** Permanent contract
- **Skills:** Application Frameworks, Systems Engineering, SAP (Applications), Software Requirements Analysis, Systems Integration, SC Clearance
- **Published:** October 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9259991/systems-engineer-level-34

## About the Role

* T03 - 5 years of relevant experience with a Bachelor of Science degree in a STEM discipline; 3 years of relevant experience with a Masters' degree; 1 year of relevant experience with a PhD
 * T04 - 8 years of relevant experience with a Bachelor of Science degree in a STEM discipline; 6 years of relevant experience with a Masters' degree; 4 years of relevant experience with a PhD
 * Experience with software ground systems for space missions.
 * Experience with requirements flow-down, management, and traceability.
 * Experience defining/managing interfaces and contributing to ICDs.
 * Familiarity with MBSE concepts and tools.
 * Experience with DOORS and CAMEO (or equivalent).
 * Strong communication and collaboration skills.
 * Working knowledge of systems engineering principles and processes
 * Demonstrated experience quickly learning new concepts and approaches
 * Active DoD Top-Secret clearance

Preferred Qualifications:

 * Program start-up and new product development experience.
 * Ground C2 of space vehicles and/or integration of 3rd-party C2 products.
 * Experience with software frameworks and their onboarding/deployment.
 * Mission management / mission planning / resource mission management experience.
 * Ability to obtain SCI/SAP

## Description

*This position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company. Continued employment thereafter will be subject to maintenance of the level of clearance and program access required for the position in the future., As a Systems Engineer on this team, you will define, develop, decompose, analyze, allocate, verify, and validate requirements for the Ground Segment of a Spacecraft System. You will conduct system performance and functional analysis, interface definition, risk identification and mitigation, system integration and compatibility analysis. You will define and maintain the technical baseline and documentation. Ultimately, it is your responsibility to drive the program through maturity and milestones to achieve the mission. This role will support development of various ground element specs (Bus/ Mission Unique/ Payload) to support SRR/SDR/PDR.

Ground Software System Engineer to develop and own ground element specifications for a space mission ground system. Responsible for one or more of the following: Bus Ground Element, Mission-Unique Ground Element, and Payload Ground Element and will lead requirements definition and flow-down, manage interfaces, support trades, and drive software qualification for your assigned ground element(s) within a model-based systems engineering (MBSE) environment., * Develop and maintain ground element specifications and MBSE-based requirements/traceability.

 * Flow down requirements from host/segment-level specs (e.g., Host Segment, Mission Ground Segment [MGS]) to assigned ground element.
 * Define and manage interfaces; provide input to ICDs.
 * Participate in architecture and implementation trades (ground frameworks, Command and Control (C2), mission management).
 * Support software qualification planning and verification/validation.