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Sunday, September 20, 2020
With government and commercial contracts throughout the United States, YEI is regularly adding new members to its team. We provide our employees an excellent salary and benefits package.

YEI is an Equal Opportunity Employer EOE/M/F/D/V.

We currently have the following job openings (click the link to submit your resume on-line):
Operations & Maintenance
Motion Control Specialist / Engineer
Arecibo Observatory, PR
Job Description: Responsible of the maintenance, upgrades and documentation of motion control systems and instrumentation of the radio-telescopes at the Arecibo Observatory. Provide support to other areas at the Electronics Department, particularly the communications sections.

Education: Master of Science in Electrical Engineering. Bachelor of Science in Electrical Engineering with 2 years of relevant experience. Academic title from an accredited institution. Fully bilingual; Spanish and English.

  • Experience in closed loop control systems analysis, design, simulation and implementation. Class or capstone projects at the University could be considered as experience.
  • Experience in automation systems, programmable devices and basic power electronics.
  • Basic experience in Printed Circuit Board (PCB), analog and digital circuits. Experience (intermediate level) in computer programming languages.
Duties and Responsibilities:
  • Maintenance, design and construction of control systems and instrumentation for use in radio astronomy and radar systems based on regular operations and user requirements.
  • Provide support to the communications section (phones, fiber optic and Ethernet infrastructure).
  • Documentation of existing and new instrumentation and systems.
  • Provide coaching, mentoring, and technical guidance to technicians and other staff, as appropriate.
  • Ability to work on the suspended Telescope platform at 500ft above ground and in awkward spaces.
  • Able to respond to equipment failures and emergencies after hours.
  • Provide support to other specialist/engineers, scientist and technicians.
Status: Exempt, Full time

Radio Frequency Interference (RFI) Specialist / Engineer
Arecibo Observatory, PR
Job Description: Monitor the Radio Frequency (RF) spectrum and take the corrective actions to ensure that the AO protected radio bands have no interference and minimize the interference of adjacent bands. Respond to RFI complaints and find the cause of interference. Perform RFI tests and design RF shielding for equipment installed or to be installed at AO. Monitor the radiation levels of our transmitters. Provide support to other areas at the Electronics Department, particularly the analog systems section.

Education: Master of Science in Electrical Engineering. Bachelor of Science in Electrical Engineering or Physics with 3 years of work experience with RF components and systems. Academic title from an accredited institution.

  • Experience with RF instrumentation, components and systems.
  • Experience with radiation meters and familiarity with regulations regarding exposure to RF radiation.
  • Familiarity with government radio licensing regulations.
  • Experience with RFI/EMC test and mitigation is highly desired.
  • Basic experience in programming languages. Fully bilingual.
  • Experience with radio astronomy instrumentation is desired.
Duties and Responsibilities:
  • RFI chasing: find sources of interference generated at the Observatory and outside, in the frequency range of our receivers and adjacent bands. Find solutions in order to eliminate or mitigate the interference.
  • RFI testing and shielding: make laboratory and field RFI testing of electric and electronic components/instruments, analyze results, create reports, and make a decisions as to whether the equipment could be installed and in what conditions. Create methods of how to shield, modify or filter existing or new equipment that is causing interference or having electromagnetic compatibility (EMC) issues.
  • RFI monitoring and mitigation: Maintain, document and upgrade RFI monitoring tools. Verify suspicious interference sources in unlicensed bands. Implement techniques and instrumentation for RFI mitigation/excision.
  • RF safety: Conduct and record RF safety measurements for all our transmitters. Establish policies and increase awareness in terms of RF safety.
  • Ability to work on the suspended Telescope platform at 500ft above ground and in awkward spaces.
  • Able to respond to equipment failures and emergencies after hours.
Status: Exempt, Full time

Telescope Maintenance Supervisor
Arecibo Observatory, PR
Job Description: Yang Enterprises is seeking a Mechanical/Civil Engineer to join the Facilities/Telescope Maintenance and Engineering Department at the Arecibo Observatory, a multidisciplinary science facility in Puerto Rico that includes the world’s most sensitive radio-telescope and other facilities. This position will lead the Telescope maintenance crew consisting of several maintenance technicians.

Education:Bachelor Degree in Mechanical/Civil Engineering

  • Perform engineering calculations in the design of mechanical parts, structures, components or systems
  • Create, provide and present progress reports and graphical presentations as required
  • Submit material and engineering quotes for the procurement department
  • Perform Warehouse and Purchasing Department material procurement planning and coordination in order to accomplish projects, repairs or maintenance of telescope components and the facility
  • Management and administration of project and maintenance tasks budgets
  • Develop maintenance projects and tasks schedules
  • Assist with the Arecibo Observatory project planning and coordinate work with contractors and suppliers
  • Assist with the bidding process for Telescope and facility projects
  • Responsible for the supervision of personnel assigned to the Platform Department
  • Coordinate and supervise construction projects, repair and upgrading tasks on the Arecibo Telescope and/or assigned areas throughout the Observatory
  • Assign and coordinate work or service orders to Platform crews
  • Supervise, inspect and evaluate work performed by Platform Department personnel assigned to different projects in coordination with the Facilities & Engineering Manager
  • Perform evaluation and inspection of completed tasks and projects to ensure compliance with design, construction specifications, engineering and safety standards and policies
  • Complete employee performance evaluation and provide recommendations for salary increase or promotion
  • Participate in hiring process interviews and provide recommendations to the Human Resources Office
  • Ensure all subordinates perform any task and make use of tools and equipment in accordance to occupational health & safety policies and standards
  • Assist the Facilities & Engineering Manager and the Environmental/Health & Safety Manager in the development of policies and procedures related to the responsibilities of the position
  • Assist other managers as required
  • Guarantee confidentiality on all processes, transactions and document management. Requires discretion and confidentiality.
Status: Exempt

Salary: BOE

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