Principal / Sr. Principal I&T Systems Engineer - Communications
Northrop Grumman
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Baltimore, MD · Posted November 13, 2026
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November 2026
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About the job
RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: Yes
CLEARANCE TYPE: Secret
TRAVEL: Yes, 10% of the Time Description
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.
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 Engineering and Sciences organization (E&S) pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, 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 Mission Systems' Baltimore and Partnered Sites (BaPs) division is seeking a Systems Integration & Test (SI&T) Engineer (Level 3 or Level 4) in Baltimore, MD to support test and verification activities within the Emerging Capabilities Division. What you’ll get to do: As the lead developer of radars, COMMS, and SIGINT for some of the most advanced systems in the U.S. arsenal, Northrop Grumman Mission Systems is a world leader in advanced sensor systems and design. These include airborne RADARs for fighter jets & UAVs including F-22, F-35, F-16, Global Hawk (Triton), and Gray Eagle (STARLite), airborne surveillance RADARs for AWACS and E-7 (MESA), and ground and maritime RADARs including G/ATOR and SEWIP. Qualified Systems Integration, Test & Evaluation (SITE) engineers will perform hands-on integration and testing of sophisticated systems, including both hardware and software components in development and production environments; Synthesize internal and external customer needs and requirements into system tests that acknowledge technical and schedule constraints; Participate in the development and execution of comprehensive test plans, procedures, and schedules for verifying system requirements; participate in I&T readiness reviews, design reviews and conducts audits of I&T program facilities; Coordinate integrated testing activities that may include environmental, reliability and flight test; Review and evaluate test requirements to ensure completeness of test program; Perform analysis of test results and prepares comprehensive reports; Use modeling and simulation tools to expedite testing of individual units before all system components are available and for troubleshooting and repair of failed units.
What You’ll Get to Do: We are seeking an experienced systems engineer to provide technical leadership for a cutting-edge, high-visibility UAS program on Mission Air Vehicle (MAV) networking and/or Communications, Navigations, and Identification (CNI) systems. This role will lead hardware and software I&T in the lab and on the platform. Responsibilities include lab configuration to support the control unit under test, standup and creation of lab-based infrastructure and test, procedure generation and execution, while mentoring early‑career engineers.
Key responsibilities
Coordinate across all aspects of the program to develop comprehensive and thorough integration and test plans for complex systems
Work with Hardware, Software, and other related disciplines to integrate all aspects of the system, ensuring that the solution closes and achieves the demanding goals of the system
Configure labs for equipment bring-up and testing
Develop and execute test plans in lab facilities and in the field to verify requirements and the performance of the system
Collaborate with a large team to achieve the goals of the program across multiple sites and facilities
Mentor and develop a multidisciplinary SE team, fostering a collaborative, results oriented culture.
Identify, evaluate, and mitigate technical risks; capture and implement program opportunities
Develop and document technical standard operating processes and procedures as needed.
This requisition may be filled at a higher grade based on qualifications listed below .
This requisition may be filled at either a Principal Level or a Sr. Principal Level.
Basic Qualifications for a Principal Systems Engineer – Integration & Test
Bachelor’s degree in a STEM discipline or related field with 5+ years of relevant experience with; 3+ years with a Master’s; 1+ year with a PhD. 4 years of additional experience can be considered in lieu of degree.
Demonstrated experience in system integration and test on complex HW/SW defense and/or aerospace systems.
Prior experience on Airborne, Radar, EW Programs, or similar mission systems.
Prior experience standing up a lab environment.
Strong communication and leadership skills; ability to coordinate across multiple teams and present technical status to internal and external stakeholders.
Active DoD Secret clearance
Ability to obtain/maintain Special Program Access (SAP) clearance is required.
Candidate must be a US citizen
Ability to work onsite in Baltimore, MD.
Basic Qualifications for a Sr. Principal Systems Engineer – Integration & Test
Bachelor’s degree in a STEM discipline or related field with 8+ years of relevant experience with; 6+ years with a Master’s; 4+ year with a PhD. 4 years of additional experience can be considered in lieu of degree.
Demonstrated experience in system integration and test on complex HW/SW defense and/or aerospace systems.
Prior experience on Airborne, Radar, EW Programs, or similar mission systems.
Prior experience standing up a lab environment.
Strong communication and leadership skills; ability to coordinate across multiple teams and present technical status to internal and external stakeholders.
Active DoD Secret clearance
Ability to obtain/maintain Special Program Access (SAP) clearance is required.
Candidate must be a US citizen
Ability to work onsite in Baltimore, MD.
Preferred Qualifications
Prior experience with manned or unmanned aircraft systems, particularly with US Navy and Marine Corps platforms.
Prior experience with Mission Air Vehicle (MAV) networking and/or Communications, Navigations, and Identification (CNI) systems.
Significant experience integrating hardware, software, and third-party components to include test planning, execution, and analysis.
Experience leading teams of systems engineers (e.g., as SEIT Lead).
History of collaboration with diverse technical and domain teams to capture test objectives and requirements.
Familiarity with configuration management tools and disciplined processes for complex test environments.
This position is contingent upon transfer of active DoD Secret Clearance as well as the ability to obtain/maintain a SAP clearance
Primary Level Salary Range: $108,800.00 - $163,200.00
Secondary Level Salary Range: $135,800.00 - $203,600.00
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.