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Added 1 min ago
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Network & Security Engineer
modis
Herndon, VA
- $115,000 to $125,000 USD / year
We are seeking a hands-on Network & Security Engineer to join our client’s team in Herndon, VA. This role is ideal for an experienced engineer who enjoys solving real-world technical…
Added 1 min ago
IT Project Lead
BAE Systems
Washington, DC
This position will lead a diverse IT Operations technical team to complete projects on unclassified and classified networks.
Added 1 min ago
Senior DevSecOps Engineer
BAE Systems
Nashua, NH
…Architecture Team (DAT) is looking to hire a Senior DevOps / DevSecOps Engineer to join our team. We are responsible for transitioning Engineering and Operations from legacy software and…
Added 1 min ago
Systems Engineer
BAE Systems
Springfield, VA
Job Description BAE Systems is seeking a Systems Engineer who will serve as a key member of an integrated Operations & Sustainment (O&S) team, collaborating with engineering resources…
Added 14 mins ago
Applications Engineer
Nordson Corporation
MN
The Applications Engineer will support customer engagement and product demonstration activities by preparing, running, and analyzing customer samples on laboratory and production Automated…
Added 14 mins ago
ZT
Systems Engineer III
Zekiah Technologies, Inc
Dahlgren, VA
- $135,000 to $170,000 USD / year
We have an opportunity for an enthusiastic Systems Engineer with a desire to grow while working with a skilled and highly motivated team on leading-edge work. Our team provides IT services…
Added 16 mins ago
Sr Mechanical Engineer (Design Engineer) (SRM)
General Dynamics Ordnance & Tactical Systems
Huntsville, AL · Hampton, AR
…configuration development to manufacturing, assembly, and static fire test activities.• Maintains configuration control, resolves design issues, and provides technical support to…
Added 17 mins ago
MT
Project Engineer
Metropolitan Transportation Authority
Jamaica, NY
- $59.24 USD / hour
Responsible for protecting the interests of the LIRR during construction projects or operations being performed by outside contractors. Actively participate in construction management to…
Added 24 mins ago
Test Principal Engineer
Austin, TX · TX
Dell Technologies is seeking a highly motivated Test Principal Engineer to lead the operational management and strategic development of a critical validation laboratory within the Global…
Added 30 mins ago
Senior Signal and Power Integrity Engineer
Google
Sunnyvale, CA
Experience with lab bring-up, test environments, and characterization for high-speed memory and SerDes.
Added 32 mins ago
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Quality Engineer
Actalent
Versailles, KY
- $38 to $41 USD / hour
Job Title: Quality Systems Engineer / Quality EngineerJob DescriptionThe Quality Systems Engineer / Quality Engineer maintains and continuously improves the automotive Quality Management…
Added 33 mins ago
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Senior Active Directory & Hybrid Identity Engineer
TEKsystems
Wilmington, DE
- $72 to $82 USD / hour
The Sr. Systems Engineer (Active Directory) is an experienced Active Directory specialist to design, implement, and manage our enterprise-wide Active Directory /Entra Hybrid infrastructure.…
Added 33 mins ago
Senior Software Engineer
CoreLogic Solutions, LLC
Dallas, TX
A Senior Professional, Software Engineer designs, builds, tests, deploys, and operates end-to-end product capabilities within an AI-native engineering pod. This role develops and delivers…
Added 39 mins ago
EC
Lead Manufacturing Engineer, Capacity Expansion
Eaton Corporation
Greenwood, SC
- $97,000 to $143,000 USD / year
Eaton’s ES AMER ARS division is currently seeking a Lead Manufacturing Engineer, Capacity Expansion based near any of the following Eaton locations: Charlotte, NC, Asheville/Arden, NC, or…
Added 39 mins ago
PT
Metrology Engineer III - 3D Inspection Programmer & Analyst
PDS Tech Commercial
Greenville, SC
- $56.48 USD / hour
…with cross-functional teams across engineering, quality, and…
Added 39 mins ago
Security Architect
HTC Global Services Inc
Columbia, SC
Job Title :Senior SIEM Engineer – Palo Alto Cortex XSIAM/XDR & Cribl Position Overview
Added 40 mins ago
Quality Department - Bean Yield Technician
Blommer Chocolate Company
East Greenville, PA
The Bean Yield Technician works in the Bean Cleaning, and Roasting operations to create and monitor trends, collect data, and perform critical testing to assess process performance and…
Added 42 mins ago
Cyber, RF, Electronic Engineer
MIT Lincoln Laboratory
Lexington, MA
…conducts research and development at the intersection of cyber operations, electronic warfare, radio-frequency systems, and artificial intelligence to address challenging national-security…
Added 50 mins ago
Senior Building Structural Engineer
Kiewit
Lone Tree, CO
Kiewit is seeking several highly skilled Sr. Building Structural Engineer to lead the analysis, design, and detailing of complex structural systems for large‑scale vertical projects. This…
Added 50 mins ago
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Sr. Integration Engineer
TEKsystems
Longmont, CO
- $75 to $90 USD / hour
…client owns the other side: third-party configuration or build, test environments, connectivity, credentials and end-to-end testing. The Business Systems team designs, prepares and builds,…
Added 51 mins ago
PSOC Risk, Issue, Opportunity Administrator Project Engineer Stf - E4
Lockheed Martin
Englewood, CO
Support monthly business rhythm (Program Management Review, Directorate Management Review, Internal Operations Review, etc) with necessary risk, issue, opportunity content
Added 51 mins ago
Mechanical Engineer
PDS Tech Commercial
Englewood, CO
Design the Future of Aerospace Innovation as a Mechanical Engineer
Added 51 mins ago
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Senior Lab Test Environmental Support Engineer
DISH Wireless LLC
Littleton, CO
- $161,990 USD / year
Added 51 mins ago
Systems Engineer Stf - Level 4
Lockheed Martin
Littleton, CO
This role is for a staff-level Systems Engineer to serve as the GDS Test Lead, overseeing requirements verification and validation, test campaigns, and integration for the GDS organization…
Added 51 mins ago
Systems Integration/Test Engineer Sr Staff
Lockheed Martin
Littleton, CO
We are seeking an Electrical Test Engineer to work within the Space Protection Programs, Electrical Test Engineering organization. This role provides the opportunity to perform critical…

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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