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System Software Engineer - Trusted Firmware
NVIDIA Corporation
CA · Santa Clara, CA · Santa Clara
Are you ready to be part of an inclusive team that’s driving the future of technology? As a Tegra System Software Engineer at NVIDIA, you will play a pivotal role in crafting the next…
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Senior Software Engineer, Cloud Platform
NVIDIA Corporation
Remote, United States
…manage hardware and network provisioning to build a multi-tenant infrastructure. As a software engineer, you will work with other software engineers, product architects, and product…
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Senior Software Engineer, NVIDIA Kubernetes
NVIDIA Corporation
Remote, United States
As a Senior Software Engineer on the Management Plane area, you will own building and delivering software that creates, upgrades, scales, and operates Kubernetes clusters on…
Added 1 min ago
Senior Platform Engineer - NBA
Humana
Frankfort, KY
The Senior Platform Engineer keeps the entire NBA platform healthy, reliable, and maintainable for the long term. You develop a working understanding of every layer of the technology stack…
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Sr. Application Security Engineer
American Express Global Business Travel
Frankfort, KY
We are seeking an experienced Senior Application Security Engineer to join our team in the corporate travel industry. This remote position requires a unique blend of application development…
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Software Engineer, Systems ML
Meta
Frankfort, KY
Meta is seeking a principal-level Software Engineer to drive technical strategy and execution across our Systems ML Engineering organization. In this role, you will define the architectural…
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Principal Software Engineer - (Reston or Cambridge)
Akamai Technologies, Inc.
Frankfort, KY
- $169,300 to $304,700 USD / year
…scalable, accessible, and affordable for all. We provide the infrastructure and services that enable developers to build next-generation applications. We take ownership of the design and…
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Senior IBM i Series / IBM Power Systems Engineer
Cognizant
Frankfort, KY
- $69,500 to $123,500 USD / year
We are seeking an experienced Senior IBM i Series / IBM Power Systems Engineer to join our infrastructure and platform services team. The successful candidate will be responsible for…
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Data Engineer
Deloitte
Louisville, KY
…work in a collaborative environment? As an experienced Data Engineer you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands…
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Associate Director, AI Application Engineer
KPMG
Louisville, KY
- $7.25 USD / hour
KPMG is currently seeking an Associate Director, AI Application Engineer to join our Digital Nexus Technology organization.
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Senior Structural Engineer (Water Management)
Arcadis
Virginia Beach · Richmond
As a Structural Engineer, you will play a key role in delivering engineering and consulting services for a variety of projects, including those focused on flood risk reduction, waterfront…
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Geotechnical Engineer
Arcadis
Little Rock
As a Geotechnical Engineer, you will play a key role in delivering engineering and consulting services for a variety of projects, including those focused on shoreline stability, flood risk…
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IT Systems Engineer III
University of Louisville
Louisville, KY
The School of Dentistry seeks a qualified candidate for the position of Systems Engineer III. Responsible for the administration, security, maintenance, and modernization of ULSD's…
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Staff Software Engineer
Bamboo Health Inc
Louisville, KY
- $7.25 USD / hour
We are actively hiring a full-time Staff Software Engineer who wants to craft something meaningful that will deeply impact people's lives. Bamboo Health supports several customer facing…
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Cyber Operate Manager - Identity Security Architect & Product Engineering
Deloitte
Louisville, KY
Join Deloitte as a Lead Managed Services Engineer II and help design, engineer, and deploy identity security capabilities across enterprise environments. You will advance attack path…
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Senior Application Engineer
US0767 Prysmian Cables and Systems Usa LLC
Highland Heights, KY
…well as medium low voltage cables for the construction and infrastructure sectors. We also produce a comprehensive range of optical fibers, copper cables and connectivity for voice, video…
Added 10 mins ago
Software Engineer Sr - E3
Lockheed Martin
Rockville, MD · Rockville
Experience with AWS, including AWS CDK and Infrastructure as Code (IaC)
Added 11 mins ago
Information Assurance Security Engineer (IASE) / Information Systems Security Engineer (ISSE)
LEIDOS, INC.
Suitland, MD
Leidos is hiring a hands-on Information Assurance Security Engineer (IASE) / Information Systems Security Engineer (ISSE) to support a complex, mission-driven enterprise environment in…
Added 17 mins ago
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Staff Integration & Test Engineer
SciTec
Boulder, CO
- $102,000 to $124,000 USD / year
Collaborate with software, systems, infrastructure, and program teams to ensure integrated system readiness
Added 21 mins ago
Assistant Resident Engineer - Gateway
Arcadis
New York · Newark
Arcadis is seeking a highly skilled and motivated Assistant Resident Engineer to support one of the most iconic and consequential infrastructure initiatives in the United States - the…
Added 22 mins ago
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Senior/Staff Software Engineer - Tech Lead
OpenMined
Remote, United States
- $125,000 to $258,000 USD / year
We're looking for a Senior / Staff Software Engineer to join OpenMined, a nonprofit building open-source infrastructure for federated AI.
Added 25 mins ago
IT Infrastructure Field Engineer Level 5
Northrop Grumman
Honolulu, HI · Honolulu
…bring your pioneering spirit to our collaborative teams. As an Infrastructure Field Engineer Level 5 located in Honolulu, Hawaii you’ll be a linchpin in missions of paramount importance,…
Added 25 mins ago
Consulting Embedded Software Engineer
Northrop Grumman
Baltimore, MD · Baltimore
Northrop Grumman Mission Systems (NGMS) is seeking a Consulting Embedded Software Engineer to join our innovative Software and Digital Technologies Organization. This position is located in…
Added 25 mins ago
Consulting Embedded Software Engineer
Northrop Grumman
Baltimore, MD · Baltimore
Northrop Grumman Mission Systems is seeking a Consulting Embedded Software Engineer to join our team of qualified and diverse individuals. This position supports the Radar Advanced Product…
Added 25 mins ago
Network Engineer / Principal Network Engineer
Northrop Grumman
Baltimore, MD · Baltimore
Northrop Grumman’s Corporate Sector's Chief Information & Digital Office (CIDO) is seeking a Network Engineer / Principal Network Engineer to support the IT Infrastructure & Operations…

K2 Space

Senior Modeling & Simulation Engineer (TS/SCI)

Los Angeles, CA, United States

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Job details

Experience: 5+ years of professional modeling and simulation experience.
Posting language: English
Posted: Oct 30, 2026

Original job description

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price - and with over $1 billion in signed contracts across commercial and US government customers, we're mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space.

The rise of heavy-lift launch vehicles is shifting the industry from an era of mass constraint to one of mass abundance, and we believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully capitalize on today's and tomorrow's massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.

With multiple launches in 2027 and plans to scale to 100 satellites a year, we're Building Bigger - helping develop the solar system and build toward a Kardashev Type II (K2) civilization. If you are a motivated individual who thrives in a fast-paced environment and you're excited about contributing to the success of a high-growth Series D-funded company, we'd love for you to apply.

The Role

You will build the modeling and simulation capabilities that let us design, verify, and operate spacecraft for demanding national security missions. You will simulate and verify the software that flies and orchestrates some of the largest satellites ever flown, and model how those systems perform against real mission objectives, threats, and operational constraints. As a senior member of the team, you will drive solutions end-to-end across the software stack, make changes to vehicle control software where needed, set technical direction, and mentor other engineers.

In your first 3 months you will generalize our simulation tools to operate in classified contexts, modeling multiple spacecraft and mission profiles, demonstrating robust performance in contested and demanding environments. In your first 6 months you will design many-agent, mission-level simulations and tools for operating entire constellations, directly informing mission assurance and critical company and program decisions.

This role supports classified national security programs. Work is performed on-site in a secure environment and requires an active TS/SCI clearance and US citizenship.

Responsibilities

Develop mission-level modeling and simulation of national security space missions, capturing operational objectives, environments, and constraints.
Model and analyze constellation-level capability and performance against mission requirements, including network coverage, beam planning, and resilience in contested environments.
Support work on classified programs in accordance with all applicable security requirements.
Create and maintain simulation software infrastructure for our 20kW+ spacecraft.
Develop physics-based software models of spacecraft subsystems, including propulsion, attitude control, power, and communications systems.
Create and utilize robust tools to allow for rapid deployment of quality code.
Perform data analysis and anomaly investigation to identify and resolve on-orbit problems.
Support integration and testing of spacecraft subsystems.
Set technical direction, review designs and code, and mentor junior engineers.

Qualifications

• Active U.S. government security clearance (any level), or a clearance held within the last 12 months, and US Citizenship

Prior experience working on classified national security programs and in secure/SCIF environments, including familiarity with handling classified information and program security protocols.
Bachelor's degree in physics, aerospace/mechanical/electrical engineering, computer science, math, or a STEM field
5+ years of professional modeling and simulation experience.
Development experience in Rust, C++, or similar compiled language.
Experience using scientific Python (NumPy, SciPy, etc.), Julia, MATLAB, or similar.
Demonstrated ability to own complex systems end-to-end and guide the work of other engineers.

Nice to Have

Master's or PhD in physics, aerospace/mechanical/electrical engineering, computer science, math, or a STEM field.
Experience with mission-level or campaign-level modeling and simulation for defense or national security applications.
Facility communicating intuition and expertise effectively to stakeholders.
Experience working in Rust production environments.
Experience defining and creating simulation systems.
Experience with Monte Carlo simulations and probability/statistics.
Experience with linear algebra, controls, and/or orbital mechanics.
Experience with space communication modeling (RF, ground stations).
Basic knowledge of electronics, Linux, and computer architecture.
Experience with continuous integration and continuous delivery systems.

Compensation and Benefits:

Base salary range for this role is $160,000 - $200,000 + equity in the company
Salary will be based on several factors including, but not limited to: knowledge and skills, education, and experience level
Comprehensive benefits package including paid time off, medical/dental/vision/ coverage, life insurance, paid parental leave, and many other perks

If you don’t meet 100% of the preferred skills and experience, we encourage you to still apply! Building a spacecraft unlike any other requires a team unlike any other and non-traditional career twists and turns are encouraged!

If you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know.

Export Compliance

As defined in the ITAR, “U.S. Persons” include U.S. citizens, lawful permanent residents (i.e., Green Card holders), and certain protected individuals (e.g., refugees/asylees, American Samoans). Please consult with a knowledgeable advisor if you are unsure whether you are a “U.S. Person.”

The person hired for this role will have access to information and items controlled by U.S. export control regulations, including the export control regulations outlined in the International Traffic in Arms Regulation (ITAR). The person hired for this role must therefore either be a “U.S. person” as defined by 22 C.F.R. § 120.15 or otherwise eligible for a federally issued export control license.

Equal Opportunity

K2 Space is an Equal Opportunity Employer; employment with K2 Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

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