Employment Opportunities at Tethers Unlimited, Inc.

Tethers Unlimited is an aerospace R&D firm located in Bothell, WA. We are currently developing a number of advanced technologies for space and defense systems, including deployable structures for small spacecraft, on-orbit manufacturing technologies, in-space propulsion systems, and RF communications and sensing. Tethers Unlimited typically takes on projects that are out-of-the-box and extremely technically challenging, so to work here you must be creative, very hard working, and committed to producing the highest quality work. You also must be able to work efficiently as a part of a fast-paced, interdisciplinary team, and document and communicate your work clearly.

TUI is an Equal Opportunity Employer. Resumes should be submitted by email in PDF Format ONLY with candidate's name in the filename to jobs@tethers.com

Current Openings:

Manufacturing and Production Engineer

TUI is seeking an experience Avionics Manufacturing and Production Engineer to assist with the production of avionics and electromechanical systems for the aerospace and defense industry.

Required Experience

  • Knowledge of the entire PCB production cycle, from raw board fabrication to post-processing (staking, conformal-coating, etc.) for the high reliability / aerospace industry.
  • IPC Class 3 and J-STD soldering, rework, and ESD certification
  • Experience with AS9100 and/or ISO9000 production and quality management processes, including the use of travelers, as-built records, and ECOs
  • Willing and able to perform PCB rework in a limited / on-demand basis
  • Management and quality assessment of sub-contractors, including PCB fabricators and assemblers

Desired

  • Management of testing and production laboratory, including maintenance of test equipment and calibration programs
  • Creation and maintenance of test plans
  • Willing to be a master trainer for various IPC certification processes
  • Management of technicians

General Requirements:

  • U.S. Citizen or Green Card holder

Benefits:

  • Medical & Dental coverage
  • Employer-contributed pension

 

Electrical Hardware Engineer

Tethers Unlimited Inc. is looking for an Electrical Hardware Engineer to design, develop, and test high performance complex avionics solutions for space based products.
Responsibilities

  • Design tightly integrated complex PCB boards, carrying design from requirements definition, through schematic capture and layout, and bring-up testing.
  • Design tests, execute and document tests for new PCBs.
  • Drive hardware designs from concept to completion.

Mandatory Knowledge/Skills

  • Bachelor’s degree or higher in Electrical Engineering or related major.
  • 3+ years of experience conducting detailed design, schematic capture and layout.
  • Experience with board stackup, layout requirements and rules for digital and analog designs.
  • Experience pushing design through fabrication and assembly.
  • Familiar with industry standard hardware design practices.
  • Design experience with FPGAs, Mircoprocessors, and DRAMs.
  • Knowledge of digital design parameters: throughput, clocking, timing, capacity and signal integrity.
  • Hands-on troubleshooting experience using lab equipment.
  • Excellent written and verbal communication skills.

Desired

  • Experience designing interfaces to mechanisms such as: motors, encoders, heaters and SSRs.
  • Power supply design experience.
  • Ability to soldering small components in crowded board designs (0402s).
  • Designed hardware for the space environment with knowledge of regulatory standards and design for EMI/EMC.

General Requirements:

  • U.S. Citizen or Green Card holder

Benefits:

  • Medical & Dental coverage
  • Employer-contributed pension

 

Embedded Software Engineer

Tethers Unlimited Inc. is looking for an Embedded Software Engineer to design, develop, and test high performance complex real-time avionics solutions for space based products.
Responsibilities

  • Software requirements definition, including supporting hardware selection for new PCB designs.
  • Document requirements, design, testing, and API for software products.
  • Design, develop, implement, and test real-time embedded software written in C/C++ and VHDL/Verilog.
  • Develop and unit test implemented software.
  • Work with multidisciplinary team to create integrated products.
  • Support PCB design review and component-level driver development. bring-up testing.

Mandatory Knowledge/Skills

  • Bachelor’s degree or higher in Computer Science, Electrical Engineering, Computer Engineering or related major. (Aerospace Engineer with very strong mechatronics and embedded controller / control systems experience is also acceptable.)
  • 3+ years of experience programming in C/C++ and VHDL/Verilog for embedded microprocessors and FPGAs.
  • Strong understanding of hardware communication protocols including: SPI, I2C, Ethernet, etc.
  • Strong low-level embedded coding skills and software / hardware co-design.
  • Excellent interpersonal skills and the ability to work collaboratively in a team.
  • Knowledge and experience with embedded real-time operating systems, such as FreeRTOS.
  • Ability to read hardware schematics and circuit designs and datasheets for driver development.
  • Familiarity with standard software development workflows and best practices.
  • Excellent written and verbal communication skills.

Desired

  • Experience developing software and executing tests for complex embedded systems.
  • Experience programming for mixed-domain Xilinx FPGAs with embedded microprocessors.
  • Experience maintaining complex toolchains and embedded development flows.
  • Experience designing and implementing networking and packet processing technologies.
  • Experience with Software Defined Radios (SDR) or digital signal processing (DSP).

General Requirements:

  • U.S. Citizen or Green Card holder

Benefits:

  • Medical & Dental coverage
  • Employer-contributed pension

 

Software Engineer – SDR/DSP

Tethers Unlimited Inc. is looking for an Avionics Engineer with an emphasis on communication subsystems to design, develop, and test high performance software defined radios for space based platforms.
Responsibilities

  • Develop board, FPGA, and processor design requirements and specifications.
  • Develop and test signal processing algorithms in Matlab.
  • Implement complex algorithms in HDL and C/C++.
  • Develop robust test bench and simulations for algorithm testing and verification.
  • Work with multidisciplinary teams to create and successfully deliver integrated products.

Mandatory Knowledge/Skills

  • Bachelor’s degree or higher in Computer Science, Electrical Engineering, Computer Engineering or related major.
  • 3+ years of experience with Software Defined Radios (SDR) or digital signal processing (DSP).
  • Experience programming in Matlab, Python, and C/C++.
  • Experience programming in VHDL or Verilog targeting FPGAs, preferably experience with Xilinx development tools.
  • Understanding of wireless communication channels including, signal processing for common modulation and coding waveforms.
  • Excellent written and verbal communication skills.

Desired

  • Experience designing and executing tests for the space environment.
  • Communication system design experience for space based platforms, including link budget analysis.
  • Experience designing and implementing wireless network technologies.
  • Familiar with any of AFSCN SGLS, MILSTD-188-181C, CCSDS, DVB-S2, and OFDM waveforms.
  • Ability to conduct board schematic and circuit design.

General Requirements:

  • U.S. Citizen or Green Card holder

Benefits:

  • Medical & Dental coverage
  • Employer-contributed pension

 

Aerospace Systems Engineer

Tethers Unlimited, Inc. is looking for an Aerospace Systems Engineer capable of full design cycle development and integration for aerospace and defense products.

Responsibilities:

  • Perform full design cycle system development including: system architecture development, system requirements definition, system integration, system safety assessment, system qualification, system integration testing (hardware-in-the-loop simulation), and issue tracking and resolution.
  • Perform modeling, simulation, and analysis of systems and subsystems as needed.
  • Assist in improvement of the companies Systems Engineering Process (SEP).
  • Review electrical and mechanical drawings.
  • Work with multidisciplinary team to create integrated products.

Minimum Qualifications:

  • Bachelor’s degree or higher in Aerospace, Mechanical, or Electrical Engineer.
  • 5+ years of experience in the Aerospace industry.
  • Experience in multidisciplinary system modeling, simulation, and analysis.
  • Knowledge of Systems Engineering principles including: requirements identification and flow down and the V-model.
  • Familiarity with standard verification and validation processes and procedures.
  • Excellent written and verbal communication skills.

Desired

  • Experience with model-based design concepts.
  • Experience in control system development.
  • Experience with Matlab/Simulink.

General Requirements:

  • U.S. Citizen or Green Card holder

Benefits:

  • Medical & Dental coverage
  • Employer-contributed pension

 

Mechanical Engineer

Tethers Unlimited is seeking an experienced mechanical engineer to contribute to the development of space and defense hardware, including mechanisms, structures, and propulsion systems.

Experience Desired:

  • Experience with complex electro-mechanical systems design, prototyping, testing, and flight qualification.
  • Knowledge of materials, actuators, valves, bearings, gears and mechanisms suitable for operation in harsh environments.
  • Experience designing, building, and maintaining 3D Printers.
  • Experience developing rotary hammers, drills, and anchors.
  • Experience with military launchable systems and working with DOD customers.
  • Proficiency with SolidWorks design tools.
  • Machine shop experience beneficial (lathe and mill).

Minimum Qualifications:

  • B.S. with 2+ years work experience.

General Requirements:

  • U.S. Citizen or Green Card holder

Benefits:

  • Medical & Dental coverage
  • Employer-contributed pension

 

 

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