Sr Principal Software Engineer
Listed on 2026-07-17
-
Software Development
Software Engineer, Software Architect, DevOps
Relocation Assistance
Relocation assistance may be available.
Security ClearanceClearance required for start:
Yes. Clearance type:
Secret.
Travel:
Yes, 10% of the Time.
Northrop Grumman Space Systems is seeking a Sr. Principal Software Engineer with bid and proposal experience to support the Deep Space Advanced Radar Capability (DARC) Program. This role will serve as the DARC Site 3 (DS3) Software (SW) bid and proposal lead.
Job Responsibilities- Act as the DS3 SW proposal lead.
- Develop the DS3 SW proposal approach and supporting artifacts.
- Create the DS3 SW proposal labor Basis of Estimates (BOE’s) and pricing in collaboration with business management.
- Support the development of the DS3 Integrated Master Schedule and SW development timelines.
- Develop and manage the DS3 SW proposal risk and opportunities.
- Support the DS3 startup and technical execution as an individual contributor or team lead.
- Active DoD Secret clearance at the time of application.
- 8 years with a Bachelor of Science, 6 years with a Master of Science, and 3 years with a PhD.
- Software development experience (Java, C++, JavaScript).
- Experience with microservices-based architectures.
- Familiar with estimating methodologies and tools (e.g., Cost History, System Evaluation and Estimation of Resources – Software Estimation Model (SEER-SEM)).
- Familiarity with Red Hat Linux environments.
- Understanding of Earned Value (EV) principles.
- Familiar with Agile principles and use of JIRA and Confluence.
- Familiar with SW CDRL items (e.g., Software Requirements Specifications, Software Design Descriptions, Software Version Descriptions).
- Active DoD Top Secret Clearance with SCI eligibility.
- Computer Science or Computer Engineering technical major.
- Experience with SW development on ground‑based radar systems.
- Previously acted as a SW Product Owner (PO) or SW Lead.
Primary Level Salary Range: $ – $. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.
BenefitsEmployees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, company paid holidays and paid time off (PTO) for vacation and/or personal business.
EqualOpportunity Statement
Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
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