Jobs in the United States

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Added 8 hours ago
Sentinel - Principal Material Process Engineer
Northrop Grumman
Roy, UT
Northrop Grumman Defense Systems is seeking a Principal Mechanical Engineer to join our team. This position will be located at Roy, UT to support the Sentinel (GBSD) program in the…
Added 9 hours ago
Optical Systems Engineer (Senior, Principal) - Millennium Space Systems
The Boeing Company
El Segundo, CA
An Optical Systems Engineer possesses a strong background in spaceborne electro-optical sensor technology (visible to infrared; active and passive). You will oversee optical systems on our…
Added 21 hours ago
Principal/Sr. Principal RF Microwave Design Engineer (Level 3 or 4)
SP - Space Components
United States
Northrop Grumman’s Space Sector is seeking a Principal/Sr. Principal RF Microwave Design Engineer (Level 3 or 4) to join our MEP organization in Goleta, CA.
Added 22 hours ago
Principal/Sr. Principal RF Microwave Design Engineer (Level 3 or 4)
Northrop Grumman
Goleta
Northrop Grumman’s Space Sector is seeking a Principal/Sr. Principal RF Microwave Design Engineer (Level 3 or 4) to join our MEP organization in Goleta, CA.
Added 22 hours ago
Modeling Simulation & Analysis Engineer 3 or 4 (Principal or Sr. Principal Level)
Northrop Grumman
El Segundo
Northrop Grumman Aeronautics Systems has an opening for a Modeling Simulation and Analysis Engineer (Principal or Sr. Principal Level) to join our team of qualified, diverse individuals…
Added 1 day ago
Manufacturing/Process Engineer 2/3
Northrop Grumman
Baltimore, MD
This requisition may be filled as a Manufacturing Process Engineer or a Principal Manufacturing Process Engineer based on the qualifications listed below.
Added 1 day ago
Leader, Pre-Sales Solutions Engineer
Cisco
Denver, CO
…consequential shifts in technology today. We sell the routing and optical infrastructure that powers the internet, interconnects the world's largest data centers, and enables the AI era in…
Added 1 day ago
Modeling Simulation & Analysis Engineer 3 or 4 (Principal or Sr. Principal Level)
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has an opening for a Modeling Simulation and Analysis Engineer (Principal or Sr. Principal Level) to join our team of qualified, diverse individuals…
Added 1 day ago
Principal/Sr. Principal Systems Engineer
Northrop Grumman
Rolling Meadows
Northrop Grumman Mission Systems (NGMS) seeks to fill a Principal/Sr. Principal Systems Engineer position in the Mission Modeling Department at our Rolling Meadows, Illinois location. This…
Added 1 day ago
Optical Systems Engineer (Senior, Principal) - Millennium Space Systems
Millennium Space Systems
El Segundo, CA
An Optical Systems Engineer possesses a strong background in spaceborne electro-optical sensor technology (visible to infrared; active and passive). You will oversee optical systems on our…
Added 2 days ago
Principal/Sr. Principal Systems Engineer
CORP-Corporate Office
United States
Northrop Grumman Mission Systems (NGMS) seeks to fill a Principal/Sr. Principal Systems Engineer position in the Mission Modeling Department at our Rolling Meadows, Illinois location. This…
Added 2 days ago
Principal Mechanical Design Engineer
RTX
United States
Experience developing detailed mechanical designs for optical, electrical and/or mechanical systems.
Added 2 days ago
Senior Applied Scientist, Computer Vision and Robotics, Amazon Robotics
Amazon.com Services LLC
North Reading, MA · Westborough, MA
…will be the ML and perception expert working alongside the Principal Applied Scientist and Principal Hardware Development Engineer to shape the future of deployed and scaled sensing…
Added 2 days ago
Engineer/Principal Systems Engineer
Northrop Grumman
Rolling Meadows, IL
This position can be filled at the Systems Engineer or Principal Systems Engineer level.
Added 2 days ago
Sr. Principal Systems Security Engineer
Northrop Grumman
San Antonio
…targeting and tracking systems that are deployed in Electro-Optical Infrared (EOIR) and Radio Frequency Electronic Warfare (RFEW) systems. These systems are designed, developed, built,…
Added 2 days ago
Principal Systems Security Engineer
Northrop Grumman
San Antonio
…targeting and tracking systems that are deployed in Electro-Optical Infrared (EOIR) and Radio Frequency Electronic Warfare (RFEW) systems. These systems are designed, developed, built,…
Added 2 days ago
Sr. Principal Systems Security Engineer
CORP-Corporate Office
United States
…targeting and tracking systems that are deployed in Electro-Optical Infrared (EOIR) and Radio Frequency Electronic Warfare (RFEW) systems. These systems are designed, developed, built,…
Added 2 days ago
Principal Systems Security Engineer
CORP-Corporate Office
United States
…targeting and tracking systems that are deployed in Electro-Optical Infrared (EOIR) and Radio Frequency Electronic Warfare (RFEW) systems. These systems are designed, developed, built,…
Added 3 days ago
Principal Embedded Software Engineer
Rocket Lab Corporation
Tucson, AZ
As a Principal Embedded Software Engineer for Rocket Lab Optical Systems in Tucson, AZ, you will design flight software in support of spacecraft for Tranche 3 of the U.S. Space Development…
Added 3 days ago
Principal/Sr. Principal FPGA Design Engineer
Northrop Grumman
Rolling Meadows, IL
The Principal/Sr. Principal FPGA Design Engineer role involves full life-cycle product development from system concept and requirements through design, implementation, test verification,…
Added 3 days ago
Principal Ground Integration Engineer, Top Secret Clearance
K2 Space
Los Angeles, CA
…between heterogeneous constellations in space and the RF and Optical ground segment that controls them. You will be in charge of directing a multi-pronged strategy to invest in K2 ground…
Added 4 days ago
Electronics Engineer
CALIFORNIA INSTITUTE OF TECHNOLOGY
Owens Valley, CA
We are seeking an electronics engineer for OVRO to develop an instrument for fast radio burst (FRB) detection in the microwave domain. This instrument will utilize existing 3.5-m-diameter…
Added 4 days ago
Senior Principal Systems Engineer-Displays (Onsite)
RTX
United States
Are you ready to shape the future of aerospace display technology? At Collins Aerospace, we're looking for a Senior Principal Systems Engineer to join our vibrant Display Products…
Added 4 days ago
Electro-Optics Materials and Device Engineer
Penn State University Talent Acquisition
University Park, PA
…technologists. We are searching for a Research & Development Engineer to join our EOE Division at the Applied Research Laboratory (ARL) at Penn State. EOE develops innovative optical…
Added 4 days ago
Principal Electro-Optical Seeker Modeling and Simulations Engineer 3
Northrop Grumman
Chandler
Northrop Grumman Space Systems is looking for a Principal Seeker Modeling and Simulations Engineer 3 to support the Launch Vehicles business unit in Chandler, Arizona.

Northrop Grumman

Algorithm Software Engineer - Level 3 or 4 (AHT)

Boulder, United States

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Job details

Apply by: Apr 24, 2027
Experience: Applicants must have a minimum of 1 year of software development experience with Python and/or C++.
Posting language: English
Posted: Oct 26, 2026

Original job description

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.

Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU) has an exciting career opportunity for a Algorithms Software Engineer – Level 3 or 4 supporting Internal Research and Development (IRAD) to join our team of qualified, diverse, and innovative individuals located in Boulder, CO. This IRAD effort has over 100 engineers and will be leveraging new and existing technologies to build fire control systems from the ground up.

Position Overview:

As an Algorithms Software Engineer – Level 3 or 4 on the Boost Phase Prediction team, you will be responsible for designing, developing, testing, documenting, and debugging software and complex mathematical algorithms. This fast-paced and cutting-edge research and development environment will rely on your familiarity with modern software practices. You are expected to communicate technical information effectively and clearly, and present technical approaches and findings. Our team of motivated technical talent works closely with the end user (and each other) to ensure the direct mission applicability of developed products.

Essential Functions:

Breadth and depth in the application of mathematics to perform data analysis and algorithm development for missile tracking applications.
Development and performance analysis of tracking and state estimation algorithms.
Tool and prototype development using Modern C++ and/or Python.
Algorithm defect tracking and resolution.
Technical Documentation as required.
Work in cross-discipline teams and communicate clearly across various levels of engineers.

Seeking candidates who find satisfaction in working on challenging and diverse assignments in collaborative settings across all levels.

This requisition may be filled at a higher level based on the qualifications listed below.

This requisition may be filled at either a Principal Algorithm Software Engineer (T03) or a Sr. Principal Algorithm Software Engineer (T04) level.

Basic Qualifications:

Principal Algorithm Software Engineer (Level 3): Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 5 years of related experience, or a Master’s degree in a STEM discipline and 3 years experience, or a PhD and 1 year of experience.
Sr. Principal Algorithm Software Engineer (Level 4): Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 8 years of related experience, or a Master’s degree in a STEM discipline and 6 years experience, or a PhD and 4 year of experience.
Applicants must have a minimum of 1 year of software development experience with Python and/or C++.
Applicants must have Linux experience and working knowledge of common utilities like grep, awk, cat head, etc.
Experience developing, analyzing, testing, and implementing extendable / reusable algorithms.
Applicants must have algorithm design and state estimation experience.
Experience with data analysis - Population statistics and trend identification.
The ability to bridge between theoretical concepts and practical implementation.
Ability and willingness to travel up-to 10% to support business needs.
Applicants must have a current active in-scope U.S. Government issued Secret security clearance at the time of application which is required to start; with the ability to obtain and maintain a TS/SCI clearance.

Preferred Qualifications:

Strong statistical background and skills.
Experience in tracking and prediction algorithms, simulation, and validation.
Experience in the numerical implementation of motion filters.
Familiarity with Overhead Persistent Infrared (OPIR) and Electro-Optical Infrared (EOIR) sensors and simulations is a plus.
Familiarity with tools like JIRA, Bitbucket, Conan, Nexus, and containerized build and run environments.

#COSpace

#SpaceSoftwareJobs

#SpaceEngJobs

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 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.

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