Sr. Principal Systems Engineer I&T Lead

Posted Yesterday
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Dulles, VA, USA
In-Office
142K-213K Annually
Senior level
Aerospace • Logistics • Security • Software • Cybersecurity
The Role
Leads assembly, integration, and testing of satellite ground software systems. Deploys and verifies site hardware, develops test strategies and cases, automates testing, analyzes logs, diagnoses integration failures, and coordinates issue resolution across engineering teams. Requires expertise in Command and Control, Mission Management, system architecture, software verification, and PHX/Raptor baselines. The role supports mission-critical space systems in a cleared defense environment.
Summary Generated by Built In
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: SCI

TRAVEL: Yes, 10% of the TimeDescription

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

The Space Superiority Division, a division within Northrop Grumman’s Space Systems Sector is known for pushing the boundaries of innovation, redefining engineering capabilities, and driving advances in various sciences through cutting-edge technology.  Our team is chartered with providing the skills, and innovative technologies to develop, design, produce, and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission!


Northrop Grumman Space Systems (NGSP) is seeking an experienced Sr. Principal Systems Integrator supporting a program out of our Dulles, VA location.


We are seeking a highly skilled Systems Integrator with expertise in ground software systems, integration, and testing. The ideal candidate will be responsible for supporting the verification of ground software systems and integrating key mission-critical technologies. This position offers the opportunity to work on cutting-edge space systems while collaborating with multidisciplinary engineering teams.


Key Responsibilities:

  • Site Hardware deployment, integration, checkout and test through verification complete
  • Experience with Satellite Ground SW system verification including Command and Control and Space vehicle mission management
  • Experience with Python
  • System architecture understanding – ability to comprehend how various components interact and identify potential integration points
  • Scripting and automation expertise – proficiency in create and maintaining automated test scripts used for verification testing
  • Communication and collaborations – skill in clearly documenting issues and coordinating with developers across different teams to resolve interaction problems
  • Diagnostics reasoning – capability to analyze complex integration failures, diagnose software deficiencies through log analysis and debugging tools, trace root cause, and identify patterns across seemingly unrelated issues
  • Experience with PHX/Raptor SW baseline required. Assembly, Integration, and Test (AI&T) lead responsible for defining and implementing test strategies, test plans, and test cases based on ground system requirements.

Basic Qualifications:

  • Bachelor's degree and 8 years of relevant experience; 6 years of relevant experience with a Master's; 3 years of relevant experience with a PhD.
  • Proven experience with ground software system verification, specifically related to Command and Control (C2) and Mission Management (MM).
  • Strong background in integration and test efforts, including planning, execution, and documentation.
  • Expertise in testing tools and automation.
  • Active Top Secret/SCI clearance required at time of application with the ability to be cleared to get a CI Poly

Preferred Qualifications:

  • Active Top Secret/SCI clearance with CI poly
  • Proficiency in programming and scripting languages such as Python, MATLAB, C, C++, and Java.
  • Exposure to Model-Based Systems Engineering (MBSE) tools like Visio and Cameo.
  • Familiarity with collaboration and lifecycle management tools, including JIRA, Confluence, and Bitbucket.
  • Knowledge of Systems Tool Kit (STK) for mission simulation and analysis.
  • Experience with Agile program execution, including sprint planning, backlog management, and iterative development.
  • Working knowledge of Gherkin/Cucumber testing frameworks for behavior-driven development (BDD).
  • Hands-on experience with version control systems like GitLab.
  • Understanding and use of container technologies (e.g., Docker/Kubernetes).
  • Familiarity with cloud technologies, especially AWS Cloud services.

#NoVASpace
#SpaceSysEngJobs
#SpaceEngJobs

Primary 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 candidate's 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.

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 http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Skills Required

  • Bachelor's degree and 8 years of relevant experience
  • 6 years of relevant experience with a Master's degree
  • 3 years of relevant experience with a PhD
  • Experience with ground software system verification involving Command and Control and Mission Management
  • Strong background in integration and test planning, execution, and documentation
  • Expertise with testing tools and automation
  • Active Top Secret/SCI clearance at the time of application
  • Ability to obtain a CI polygraph clearance
  • Experience with PHX/Raptor software baseline
  • Programming and scripting proficiency in Python, MATLAB, C, C++, or Java
  • Exposure to MBSE tools such as Visio and Cameo
  • Familiarity with JIRA, Confluence, and Bitbucket
  • Knowledge of Systems Tool Kit for mission simulation and analysis
  • Experience with Agile program execution, sprint planning, backlog management, and iterative development
  • Working knowledge of Gherkin and Cucumber testing frameworks
  • Hands-on experience with GitLab
  • Understanding of Docker or Kubernetes container technologies
  • Familiarity with AWS cloud services

Northrop Grumman Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.

  • Healthcare Strength — Health coverage offers multiple medical plan options by region alongside dental, vision, mental‑health resources, and wellness programs. Recent materials also highlight added family‑building support, including a dedicated fertility benefit.
  • Retirement Support — The 401(k) savings plan is positioned as competitive with a company match, auto‑escalation features, and access to an employee stock fund/ESPP. Official filings and benefits guides emphasize retirement as a core element of the Total Rewards package.
  • Leave & Time Off Breadth — Many sites offer a 9/80 schedule, generous PTO, paid holidays, and flexible/telework options where program needs allow. Paid parental and caregiver leave are prominently featured, with recent enhancements for the delivering parent.

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The Company
HQ: Charlotte, North Carolina
85,636 Employees

What We Do

We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.

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