Northrop Grumman

Software Engineer Level 3/4 (AHT)

Northrop Grumman$114K — $171K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in a STEM related field; 5 years experience or 3 years with a Master's degree for Level 3; 8 years experience or 6 years with a Master's or 4 years with a PhD for Level 4.
  • Real-world experience in C/C++ and familiarity with C#, Java, or Python.
  • Proficiency working with Windows and Unix/Linux operating systems.
  • Comprehensive experience across the software lifecycle, including design, implementation, and maintenance.
  • Familiarity with Atlassian products (Jira, Gitlab, Confluence) and experience in Agile roles (Scrum Master for Level 3, Team Lead/Product Owner for Level 4).
  • Expertise in diagnosing electronic and mechanical systems, including the use of diagnostic tools like oscilloscopes and multi-meters.
  • Active U.S. DoD Secret clearance, with eligibility for special access programs.

Responsibilities

  • Develop and integrate software for satellite ground-segment used in launch and operational missions.
  • Design and implement applications/services utilizing service-oriented or object-oriented architectures.
  • Support ground-segment operations, troubleshooting software errors and hardware issues.
  • Plan and execute Acceptance Test events while conducting reporting.
  • Create and maintain test automation frameworks and related scripts.
  • Install and configure ground-segment software across different environments.
  • Provide software support during launch and rehearsal events.

Benefits

  • Relocation assistance may be available.
  • Health insurance coverage, life and disability insurance.
  • Savings plan available for employees.
  • Company paid holidays and paid time off (PTO) for vacations and personal business.
Full Job Description
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the TimeDescription

Northrop GrummanDefense Systems is seeking a Software Engineer Level 3/4to join our multi‑discipline Advanced Weapons engineering team. The role focuses on the development, integration, deployment, and sustainment of satellite ground‑segment software that supports test events, launch rehearsals, and operational missions.

Location: Northridge, CA – no remote/telework option.
Security: Active U.S. DoD Secret clearance

What You’ll Get to Do

  • Full‑stack development at the OS, platform, and mission‑unique software layer.
  • Design and implement applications/services using service‑oriented or object‑oriented architectures and messaging protocols.
  • Work with a variety of languages and toolsets, including C, C++, C# or Java or Python.
  • Act as a self‑starter, making decisions that consider overall project budget and schedule.
  • Support ground‑segment operations and associated configurations, troubleshooting both software errors and hardware issues that affect ground software.
  • Participate in Acceptance Test events – planning, execution, and reporting.
  • Develop and maintain test automation frameworks and scripts.
  • Configure ground‑segment software for development, test, and operational environments.
  • Resolve and remediate software defects; implement enhancements driven by customer change requests or mission needs.
  • Provide ground‑software support during launch and launch‑rehearsal events.
  • Install new ground‑segment software across operational, development, and test environments.

Principal Software Engineer (Level3)

  • Bachelors degree in a STEM related field with 5 years of Computer or Software engineering experience, or 3 years of experience with a Masters degree.
  • Real world experience working in C/C++ and knowledge in C#, Java, Python
  • Experience working with Windows, Unix/Linux OS
  • Experience with full software lifecycle: specification, design, implementation, documentation, integration, debug and maintenance are required
  • Experience in Atlassian Products like Jira, Gitlab, Confluence and have experience running teams in the Scrum Master capacity
  • Proficiency in diagnosing electronic, mechanical, and hydraulic systems, including the use of oscilloscopes, multi-meters, and signal generators
  • Active DoD Secret Clearance, with ability to be cleared to special access programs

SrPrincipal Software Engineer (Level4)

  • Bachelors degree in a STEM related field with 8 years of Computer or Software engineering experience, or 6 years of experience with a Masters degree, or 4 years of experience with a PhD
  • Expert level real world experience working in C/C++ and knowledge in C#, Java, Python
  • Extensive experience working with Windows, Unix/Linux OS
  • Experience with full software lifecycle: specification, design, implementation, documentation, integration, debug and maintenance are required
  • Experience in Atlassian Products like Jira, Gitlab, Confluence and have experience running teams in a Product Owner or Team Lead capacity
  • Proficiency in diagnosing electronic, mechanical, and hydraulic systems, including the use of oscilloscopes, multi-meters, and signal generators. Expertise in maintaining, adjusting, and calibrating precision measurement equipment to verify they meet established standards and working with different network protocols
  • Active DoD Secret Clearance, with ability to be cleared to special access programs

Preferred Qualifications:

  • Software Development and/or Software Engineering background with an Agile/DevSecOps mindset
  • Ability to troubleshoot hardware/software and identify root cause issues
  • Ability to set up test equipment to support software development
  • Experience working with hardware programmers such as JTAG
  • Understanding of TCP/IP protocols, serial communication, and MIL-STANDARD 1553 protocol
  • Experience with Visual Studio

#LI-BC2

Primary Level Salary Range: $114,000.00 - $171,000.00

Secondary Level Salary Range: $142,200.00 - $213,400.00

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 candidates experience, education, skills and current market conditions.

Depending on the position, employees 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.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

About Northrop Grumman

Northrop Grumman is a security company that provides systems, products, and solutions in aerospace, electronics, information systems, shipbuilding, and technical services to government and commercial customers. They design, develop, and build everything from aircraft and spacecraft to cyber security systems. The company is involved in a wide range of defense and technology projects, including the development of aircraft, space systems, cybersecurity solutions, and advanced electronics.

Northrop Grumman Careers

Join the elite team at Northrop Grumman, a leading global security company providing innovative systems, products, and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide. There has never been a more exciting time to advance your career with Northrop Grumman.

Work You’ll Do

At Northrop Grumman, your work will redefine the edges of technology and create a safer future. Our culture thrives on intellectual curiosity, cognitive diversity, and bringing your whole self to work. Our team is at the forefront of innovation, collaborating to make the impossible, possible.

Explore Job Opportunities and Growth

Whether you’re looking for an internship, an entry-level position, or a spot for seasoned professionals, Northrop Grumman offers a variety of career paths that encourage growth and development. Explore job opportunities that elevate your skills, and push your career to the next level.

Join Our Diverse and Inclusive Team

Diversity and inclusion are the foundations of our culture. Northrop Grumman is committed to building a diverse team that fosters an inclusive environment, where every team member is valued for their unique perspectives and contributions. We believe that diversity fuels innovation.

Professional Development and Benefits

Northrop Grumman is dedicated to your professional and personal growth. We offer unparalleled benefits, including comprehensive health coverage, generous time off, and family care resources. Additionally, we provide extensive leadership and diversity training to help you craft your career path.

Networking and Leadership

Enhance your career through our robust networking opportunities. Connect with leaders and peers within Northrop Grumman through various events, mentorship programs, and professional groups. Our leadership is deeply invested in nurturing talent and guiding team members through their career journey.

Innovation in Technology

Drive technological breakthroughs with a company at the cutting edge of innovation. Northrop Grumman is a place where you can work on projects that push the boundaries of what is possible.

How to Apply

Ready to join our team? Check out the open positions on our Careers page. Tailor your resume to highlight your relevant skills and experiences. Prepare for your interview with us by researching our projects and understanding our company’s mission and values.

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Northrop Grumman Jobs

Discover the impact you can make with a career at Northrop Grumman. We are actively hiring and looking for passionate, curious, and solution-driven team players. Search Northrop Grumman jobs today and find where your expertise is needed most. Join Northrop Grumman, and be part of a team that is dedicated to making a difference, not only within the company but in the world at large. Your journey to building a rewarding career starts here.
Learn more about Northrop Grumman
Size
88,000 employees
Market Cap
$82.7 billion
Industry
Net Income
$3.1 billion
Founded
1939
5 Year Trend
+7.6%
Revenue
$36.7 billion
NASDAQ

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