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Engineer - Mechanical
Sierra Pacific Industries
Anderson, CA
- $70,000 to $115,000 USD / year
Currently, we are seeking a qualified Mechanical Engineer to work collaboratively with our Fabrication Shop in Anderson, California.
Added 2 mins ago
Ford Racing Vehicle Engineering Lead, Feature & Software Delivery
Ford Global
Allen Park, MI
The Vehicle Engineering – Features & Human Factors Engineer will lead the integration of customer needs, human-centered design, HMI, selectable drive modes, ergonomics, and vehicle features…
Added 3 mins ago
CA
AUTOMOTIVE MECHANIC
Customs and Border Protection
Tucson, AZ · Douglas, AZ · Willcox, AZ
- $33 to $38 USD / hour
Interpreting and applying manufacturers' repair manuals and technical specifications, schematics and engineer drawings, diagnostic codes, computer printouts, and safety manuals.
Added 8 mins ago
Sr. Process Engineer - Drug Product
Encoded Therapeutics
Morrisville, NC
We are seeking an experienced Sr. Process Engineer to join our rapidly growing team based in RTP, NC. This role will focus on the design, implementation and lifecycle management of…
Added 19 mins ago
Air Quality Specialist
Groundwater and Environmental Svcs.
Stafford, TX
Support business-development activities by contributing technical content to proposals and participating in client meetings, industry events, and presentations alongside senior GES…
Added 29 mins ago
EI
RF Applications Engineer
Elve Inc
Remote, United States
- $80,000 to $170,000 USD / year
…next-generation applications beyond 5G. We are seeking an Applications Engineer interested in pushing the boundaries of RF technology. If you are passionate about engineering, product…
Added 29 mins ago
EI
RF Applications Engineer
Elve Inc
Remote, United States
- $80,000 to $170,000 USD / year
…next-generation applications beyond 5G. We are seeking an Applications Engineer interested in pushing the boundaries of RF technology. If you are passionate about engineering, product…
Added 46 mins ago
Controls Engineer
Valknut Automation
Lake Orion, MI
…through commissioning. Working closely with project managers, mechanical engineers, and customer teams, you will ensure that all control solutions meet performance, safety, and compliance…
Added 1 hour ago
Senior Structural Engineer
ACS Professional Staffing
Redmond, WA
…and environmental solutions, is seeking a Senior Structural Engineer to manage projects, lead multidisciplinary teams, and support the design of hydroelectric, fisheries, and water resource…
Added 1 hour ago
Principal Engineer, Electrical
Blue Bird Brand
Fort Valley, GA
Reporting to the Senior Director of Electrical Engineering, the Principal Design Engineer, Electrical serves as a technical authority for vehicle electrical/electronic architecture,…
Added 1 hour ago
Senior Mechanical Engineer - Marlborough
IPG Photonics Corporation
Marlborough, MA
Senior Opto-Mechanical EngineerII-Medical Devices
Added 1 hour ago
Electrical Engineer II, Advanced Product
Form Energy
Somerville, MA
We're hiring an Electrical Engineer II to design, build, troubleshoot, and test the control systems and test assets that support development of our next generation of iron-air batteries. As…
Added 1 hour ago
Mechanical Engineer - PE (HVAC)
Jobgether
Remote, United States
The Mechanical Engineer will lead mechanical design activities and deliver comprehensive HVAC solutions for a diverse range of facility and infrastructure projects. This role offers the…
Added 1 hour ago
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Sales Engineer
Jobgether
Remote, United States
- $140,000 to $160,000 USD / year
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sales Engineer based in the United States.
Added 1 hour ago
Senior Mechanical Engineer
Eden GeoPower Inc
Somerville, MA
Lead mechanical and electro-mechanical design of Eden’s next-generation downhole stimulation and energy-delivery systems operating at high temperature (>300 °C) and high pressure (>10 000…
Added 2 hours ago
Packaging and Equipment Engineer - On-Site
State Industrial Products
Hebron, OH
The Packaging and Equipment Engineer is responsible for the development, qualification, optimization, and commercialization of packaging systems and equipment for chemical products. This…
Added 2 hours ago
Mechanical Systems Engineer
IPG
Schaumburg, IL
Position Purpose: The Mechanical Systems Engineer is responsible for evaluating, improving, and extending the life of automated machinery through engineered upgrades, rebuilds, retrofits,…
Added 2 hours ago
2027 Associate Engineer Product Support / Engineer Product Support
Northrop Grumman
United States
Basic knowledge of design and analysis tools for mechanical design as well as basic drafting skills to include a working knowledge of solid modeling techniques (NX, Pro Engineer, or CATIA).
Added 2 hours ago
Staff Systems Engineer (Redondo Beach CA)
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has an opening for a Staff Systems Engineer to join our team of qualified, diverse individuals within our Systems Engineering organization. This role is…
Added 3 hours ago
Senior Firmware Equipment Engineer
Bachmann Chemical and Engineering
Torrington, CT
…individual to join our talented team as ourFirmware Equipment Engineer. In this role, you will develop robust, maintainable embedded firmware that supports reliable and on-time equipment…
Added 3 hours ago
Lead Combined Cycle Application Engineer (m/f/d)
GE Vernova
Schenectady, NY
As a Lead Combined Cycle Plant Process & Performance Engineer (m/f/d) , you will be responsible for providing gas plant heat balance diagrams, functional specifications for main plant…
Added 3 hours ago
Combined Cycle Application Engineer / Ingénieur Procédés et Performances de centrale à cycle combiné (H/F)
GE Vernova
Schenectady, NY
As Combined Cycle Plant Process & Performance Engineer, you will be responsible for providing gas plant heat balance diagrams, functional specifications for main plant mechanical equipment,…
Added 3 hours ago
Project Engineer - Flight Projects
Amentum
Houston, TX
We have an exciting opportunity for a Project Engineer - Flight Projects to join the team with Barrios, a teammate company!
Added 3 hours ago
Principal, Product Service Engineer
Alcon Vision, LLC. Company
Lake Forest, CA
…devices are designed and supported worldwide. As Principal Engineer, Product Service Engineering, you will influence product design, lead service readiness, and advance secure remote…
Added 3 hours ago
Sr Project Manager - AI Data Centers
Jacobs
North Miami Beach, FL · Orlando, FL
Lead schedule development in P6, MS Project, or comparable tools; coordinate critical-path milestones across BOD, 30%/60%/IFC design, permits, procurement, construction, commissioning, and…

Ulysses Inc.

PNT Software Engineer

San Francisco, CA, United States

$180,000 to $260,000 USD / year

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Job details

Pay: $180,000 to $260,000 USD / year
Posting language: English

Original job description

Ulysses is the ocean company. We design, manufacture, and operate autonomous vehicles for surface and subsea operations - taking on the most critical tasks across defense, commercial, and scientific missions. Our vertically integrated platform includes Mako, a modular AUV with 72-hour endurance and more onboard compute than any vehicle in its class; Leviathan, an autonomous surface vessel mothership; and Kraken, our automated launch-and-recovery system that closes the loop between surface and subsea with zero human intervention. The ocean covers 71% of the Earth's surface and drives a $2.6 trillion global economy, yet it remains the least monitored domain on the planet. We're changing that - building autonomous systems that collapse the cost of ocean operations by orders of magnitude so that persistent coverage becomes the baseline, not the exception. We operate globally today across defense, ocean science, and commercial survey, working with partners including the U.S. Navy, the Government of Australia, the Great Barrier Reef Foundation, and The Nature Conservancy. Founded in 2023 and headquartered in San Francisco, Ulysses has raised $48 million in funding from Andreessen Horowitz, Booz Allen Ventures, Harpoon Ventures, Pebblebed, Lowercarbon Capital, and others. Our team is lean, hands-on, and fast - we prototype in the shop, test on the water, and ship. If you want to work at the frontier, there's no frontier bigger than the ocean.

ABOUT THE ROLE

We're hiring a PNT (Positioning, Navigation, and Timing) Software Engineer to give our vehicles an accurate, reliable understanding of where they are and what's around them - above and below the waterline. This role will primarily focus on localization technologies, including inertial navigation, DVL, and GNSS, while contributing to our broader vision and acoustic development efforts. You'll work closely with our electrical, robotics, and mechanical engineering teams across Mako, Leviathan, and Kraken.

WHAT YOU'LL DO

Navigation and state estimation: architect and implement tightly-coupled navigation for subsea and surface vehicles using factor graphs. Fuse IMU, DVL, pressure, USBL/SBL acoustic positioning, and GNSS/RTK when surfaced, and keep position error bounded across multi-day dives.
Docking and recovery perception: contribute to vision and acoustic localization for our most critical moments - Mako finding and docking with Kraken for fully autonomous launch and recovery, and Leviathan operating safely around other vessels.
Surface situational awareness: fuse radar, AIS, and EO/IR cameras into a reliable track picture that drives collision avoidance and COLREGs-compliant autonomy on Leviathan.
Calibration: own IMU, DVL, and GNSS calibration end-to-end - IMU bias, scale-factor, and misalignment, DVL-to-IMU alignment and scale factor, and GNSS antenna lever arms at factory end-of-line, plus online calibration that keeps them accurate through shock, thermal cycling, and pressure.
Onboard compute and real-time software: contribute to bringing up and running perception on embedded Linux (Yocto, GPU-accelerated inference with TensorRT or similar), processing multi-camera video, sonar, and hydrophone arrays in real time within tight power budgets.
Core libraries: build the optimization, factor graph, and sensor-model libraries that other teams use for estimation, planning, and control.
Logging, replay, and validation: build logging and deterministic reprocessing of mission data so every dive becomes a regression test, and drive reliability improvements from field results.

ABOUT YOU

REQUIREMENTS

You've shipped perception or navigation software on autonomous vehicles, and you can show us what it does.
Experience deploying state estimation on real vehicles in real environments - air, ground, marine, or space - outside of labs and simulation.
Proven ability to take estimation systems from math to production code to field-validated performance.
Strong foundations in state estimation: Kalman filtering, factor graphs and smoothing, nonlinear least-squares optimization, and observability analysis.
Hands-on inertial navigation experience: IMU error modeling, preintegration, and tightly-coupled fusion with aiding sensors (GNSS, DVL, vision, or similar).
Sensor calibration experience: camera intrinsics, extrinsics, and camera-IMU calibration, ideally both on the factory floor and online in the field.
Proficiency in Rust or C++ for real-time, safety-critical software, and Python for prototyping and analysis.
Experience with optimization and estimation frameworks (Ceres, GTSAM, SymForce, or similar) - or experience writing your own.
Comfortable on embedded Linux compute: sensor drivers, time synchronization, and real-time performance on constrained hardware.
Strong debugging instincts: you can trace a bad estimate back to timestamps, calibration, sensor faults, or math, using logs and replay.
Experience building tools for logging, deterministic replay, and evaluation of autonomy software.
Ability to collaborate across electrical and mechanical: sensor selection, mounting, time sync, and the hardware realities that shape perception.
You have a track record of strong problem-solving skills and a demonstrated ability to work independently in dynamic environments.

NICE-TO-HAVES

Marine navigation and sensing experience (DVL, USBL/SBL, INS, multibeam, sidescan, or forward-looking sonar)
Acoustics and array processing: hydrophone or microphone arrays, beamforming, direction-of-arrival estimation
Advanced GNSS: RTK, carrier-phase and time-differenced carrier-phase processing, correction services
Deep learning perception deployed on edge hardware (TensorRT, ONNX), especially in degraded visibility
Embedded firmware experience: microcontrollers, CAN, bootloaders, and low-level sensor interfaces
Experience leading or mentoring a perception or navigation team

Think you're our next teammate? Apply and send examples of perception or navigation systems you've shipped or owned. Tell us what you built, how you knew it was working, what failed in the field, and how you made it reliable.

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More about this job

Skills

Robotics
Mechanical engineering
Estimating
Linux
Rust
C++
Python
Debugging
Problem solving
Work independently
Deep learning
Firmware
Coaching

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