UNKNOWN

FEED

These simulations serve as a digital proving ground for our flight software, autonomy stack, and control systems—enabling us to iterate rapidly and validate in silico what would otherwise require expensive, slow, or impossible real-world testing. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. 1157, or (iv) Asylee under 8 U.S.C. 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

Singularity Defense

Modeling & Simulation Engineer

sourcestack_via_bold

Heaviside reasonably believes criminal history may have a direct, adverse, and negative relationship with the following duties, potentially resulting in withdrawal of the offer: (1) accessing export-controlled technical data and defense articles; (2) handling and maintaining inventory of controlled components, tools, and equipment; and (3) accessing secure facilities, laboratories, and field test sites. Heaviside builds precision munitions designed to operate in GPS-denied and spectrum-jammed battlefields—where traditional systems degrade or fail—without inflated prices or sacrifice to performance.

Heaviside Industries

Senior Electrical Engineer

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You will work closely with engineering, production, and supply chain teams to build and sustain quality processes for a complex integrated product spanning mechanical, electrical, software, and propulsion systems.

Senior Quality Engineer

Combining our capabilities in advanced adversarial tracking & characterisation, onboard edge compute and autonomous effect delivery, our technology enables spacecraft to execute complex rendezvous and proximity operations (RPO), detect and classify objects, predict intent and respond to orbital threats - even in denied environments. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

YEAR

Lodestar

Payload Systems Engineer (I)

GreenHouseAPI

We’re looking for a technical growth builder to help design and ship the systems that drive revenue across marketing, sales, and customer success — someone who codes like an engineer but thinks like an operator. GTM data layer — clean model of accounts, contacts, students, GIGs, and revenue across HubSpot, Stripe, and Database.

Home From College

GTM Engineer

Talentlyft

Our decentralized structure enables each business unit to operate autonomously, supported by a central AI Solutions Group, while strategic partnerships with leading data and AI vendors fuel game-changing efforts in marketing, operations, and product development. At TWG Group Holdings, LLC (“TWG Global”), we drive innovation and business transformation across a range of industries—including financial services, insurance, technology, media, and sports—by leveraging data and AI as core assets.

TWG Global AI

Senior Engineer, AI Engineering

ea_via_bold

Internet Brands' award-winning consumer websites lead their categories and serve more than 250 million monthly visitors, while a full range of web presence offerings has established deep, long-term relationships with SMB and enterprise clients. Internet Brands, headquartered in El Segundo, Calif, is a fully integrated online media and software services company focused on four high-value vertical categories: Health, Automotive, Legal, and Home/Travel.

Welcome to Internet Brands.
Since launching in 1998, we’ve grown to become the leading digital franchise focused on large vertical markets, headlined by our current focus on the Health and Legal markets.

Our proprietary strategic and operational model powers our creation of best-in-class digital platforms for consumers and for our commercial partners.

Our unique and focused approach scales rapidly, drives consistent growth and enables rapid innovation to meet the evolving needs of our users and our commercial partners. This approach also enables us to unlock new market segments quickly and efficiently.

Internet Brands, Inc.

AI Engineer (Application Design & Rapid Deployment)

We are seeking a AEHF Communications Systems Engineer with knowledge of Military Satellite Communications, especially familiarity with EHF and AEHF SATCOM and associated Satellite Communications terminals (MILSTAR, FAB-T, FET, SMART-T, GASNT, MMPU, NMT, VPS, SCAMP) to lead the specification development, integration, and test strategies of next generation AEHF Military Satellite Communications systems. Basic Qualifications: Typically requires a minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or a PhD with 3 years' experience; or equivalent combination of related education and work experience.

The MITRE Corporation

Aehf Communications Engineer

Founded in 1855, Crane provides products and solutions to customers in the aerospace, defense and space, chemical and petrochemical, water and wastewater, pharmaceutical, and general industrial end markets. The statements contained herein reflect general details as necessary to describe the principal functions of this job, the level of knowledge and skill typically required and the scope of accountability and responsibility.

Crane Co.

Manufacturing Engineer

HeyGen considers factors such as scope and responsibilities of the position, candidate's work experience, education/training, key skills, and internal equity, as well as location, market and business considerations when extending an offer. Code Quality: Maintain high code quality through regular code reviews, pair programming, and writing unit and integration tests.

Heygen

Backend Engineer - Infrastructure

HOUR

Boeing Defense, Space & Security (BDS), Space and Launch Division, seeks a Space Communications Payload Systems Engineer to join the Payload Systems Engineering team in El Segundo, California. • Bachelor of Science degree in Engineering, Engineering Technology (including Manufacturing Technology), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement.

Artech LLC

Systems Engineer

jobdiva

Implement monitoring, logging, alerting, and performance optimization using CloudWatch and enterprise observability tools. • Manage AWS services including compute, storage, networking, databases, and security controls.

AWS Cloud Engineer

As a Firmware Engineer Intern at Marvell, you could: Develop and maintain embedded firmware for advanced hardware platforms, including data center, AI devices, SSD controllers, DSP networking chips, and high-speed PAM4 DSPs. Other teams focus on networking innovation, developing tools and firmware for dynamic services, or creating embedded solutions for high-speed PAM4 DSP chips and optical communication links.

Marvell

Firmware Engineer Intern, BS - Summer 2027

We drive extraordinary value such that we have a 100% renewal rate, and, even in these turbulent times we have exponentially grown, achieved profitability and just successfully closed a significant round of funding (November 2022). We have developed a technical platform that organizes and optimizes these incentives for the biggest customers in the world all the way down to the smallest mom and pop shops.

Incentify

Quality Assurance Engineer

We are seeking a AEHF Communications Systems Engineer with knowledge of Military Satellite Communications, especially familiarity with EHF and AEHF SATCOM and associated Satellite Communications terminals (MILSTAR, FAB-T, FET, SMART-T, GASNT, MMPU, NMT, VPS, SCAMP) to lead the specification development, integration, and test strategies of next generation AEHF Military Satellite Communications systems. Basic Qualifications: Typically requires a minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree; or a PhD with relevant experience who can immediately contribute at this job step; or equivalent combination of related education and work experience.

Senior Aehf Communications Engineer

Senior AI Engineer

Provide technical process ownership for aerospace hard chrome, cadmium, electroless nickel, and related chemical-processing operations; support passivation, chem-film, cleaning, masking, baking, blasting, and associated inspection requirements as applicable. Develop robust processing methods for precision machined components, including masking, racking, current-density/rectifier considerations, plating thickness, dimensional buildup, runout, post-plate machining/grinding interfaces, and protection of critical features.

Everest Search Partners LLC

Process Engineer/ Aerospace Plating & Machined Parts

This position plays an important role in new product development, product rationalization, obsolescence management, application engineering, and customer-facing technical support as he/she works in collaboration with cross-functional teams (Finance, Supply Chain, Manufacturing, Engineering, Quality, Shipping, and Sales & Marketing) to ensure successful outcomes. This role bridges engineering, product management, sales, operations, and customers by providing technical expertise, managing product-related projects, evaluating customer applications, and supporting strategic growth initiatives.

Project Engineer 2 - Valves

PERMANENT

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.

SpaceX

Full Stack Software Engineer (Build Reliability)

greenhouse_via_bold

RESPONSIBILITIES:   Develop, maintain, streamline, and troubleshoot Python-based analysis tools, data pipelines, enterprise applications, automated tests, and software systems that support hardware checkout, test operations, and vehicle processing. You will work directly with SpaceX engineers to discover their needs, rapidly learn new technologies and domains, and apply engineering judgment to build highly reliable, data-driven software.

Performance Engineer Jobs in Simi Valley, CA

Modeling & Simulation Engineer Singularity Defense

Senior Electrical Engineer Heaviside Industries

Senior Quality Engineer Singularity Defense

Payload Systems Engineer (I) Lodestar

GTM Engineer Home From College

Senior Engineer, AI Engineering TWG Global AI

AI Engineer (Application Design & Rapid Deployment) Internet Brands, Inc.

Aehf Communications Engineer The MITRE Corporation

Manufacturing Engineer Crane Co.

Backend Engineer - Infrastructure Heygen

Systems Engineer Artech LLC

AWS Cloud Engineer Artech LLC

Firmware Engineer Intern, BS - Summer 2027 Marvell

Quality Assurance Engineer Incentify

Senior Aehf Communications Engineer The MITRE Corporation

Senior AI Engineer Internet Brands, Inc.

Process Engineer/ Aerospace Plating & Machined Parts Everest Search Partners LLC

Project Engineer 2 - Valves Crane Co.

Full Stack Software Engineer (Build Reliability) SpaceX

Software Engineer, Test Engineering and Operations SpaceX

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