Senior Principal Systems Engineer, Tool Integrator

Northrop Grumman

Senior Systems Engineer focusing on systems integration, supporting U.S. missile defense operations while leading technical development efforts in an Agile environment.

Posted 5/27/2026full-timeColorado Springs • Alabama, Colorado • 🇺🇸 United StatesSenior💰 $129,300 - $203,600 per yearWebsite

Tech Stack

Tools & technologies

Tableau

About the role

Key responsibilities & impact

Lead the development of new system concepts by transforming stakeholder needs, acquired through documentation and solicitation, into easily reviewable technical approaches
Experience with MBSE approaches and tools (e.g., Cameo and/or Tableau)
Perform requirements elicitation and decomposition using behavioral artifacts such as use cases, activity diagrams, and sequence diagrams to convey understanding of the required behaviors and the system's performance under development
Lead the development of physical and logical system models that capture the system under development, using Model-Based Systems Engineering (MBSE) approaches and tools
Lead system interface development, as documented in Interface Control Documents (ICDs) and Interface Design Descriptions (IDDs), by translating system and interface requirements into message-level details sufficient to coordinate interface development
Support formal and informal engineering technical reviews
Create, review, and critique interface documents, system requirements, verification documentation, architectural documentation, and engineering estimates
Interface with key stakeholders, including the MDA customer and working-level counterparts, as needed
Participate in Agile development planning and execution, including iteration planning and status reporting.

Requirements

What you’ll need

A Bachelor’s Degree in STEM Computer Science, Systems Engineering, Mathematics, Physics, or a related field from an accredited university, along with 8 years of experience; or a Master’s degree (preferred) in a STEM-related field with 6 years of relevant work experience; or a PhD in a related discipline with 4 years of relevant work experience
Applicants must have a current, active in-scope DoD-issued Secret security clearance at the time of application, which is required to start
Willingness to travel 10% of the time for business needs
Applies extensive expertise and solves complex problems that require the regular use of ingenuity and creativity
May serve in project leadership roles and represent the organization as the primary customer contact on significant technical matters related to contracts
Must have Systems Engineering/Architecture with Test Experience as a skill
Demonstrated experience across all responsibilities of this role
Experience regularly interacting with the customer, specifically in eliciting customer needs and requirements
Experience with one or more elements of the Missile Defense System
Experience with one or more elements of Space Defense, Space Domain Awareness, or other Space Missions
Experience with complex Command and Control Systems, especially those with extensive networking capabilities
Experience performing many of the responsibilities of this position, with a particular focus on concept development and requirements decomposition
Ability to clearly and concisely communicate (written and verbal) with others, present technical content, and receive critical feedback

Benefits

Comp & perks

Health Plan
Savings Plan
Paid Time Off
Education Assistance
Training and Development
Flexible Work Arrangements

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Model-Based Systems Engineeringrequirements elicitationrequirements decompositionsystem modelinginterface developmentverification documentationAgile developmentTest ExperienceCommand and Control Systemsnetworking capabilities

Soft Skills

problem solvingcreativityproject leadershipcustomer interactioncommunicationtechnical presentationcritical feedback reception

Certifications

Bachelor’s Degree in STEMMaster’s Degree in STEMPhD in related disciplineDoD-issued Secret security clearance