Two positions available at the Lamont-Doherty Earth Observatory of Columbia University : Staff Associate (Junior Ocean Engineer) and a Junior Marine Development Technician; The Ocean-Bottom Seismology Laboratory of the Lamont-Doherty Earth Observatory at Columbia University is presently seeking to fill two positions: A STAFF OFFICER OF RESEARCH position: A Staff Associate – Ocean Engineer (Junior) to maintain and operate its fleet of broadband ocean- bottom seismometers, assist in the development of new instrumentation, and maintain and operate a remotely-operated vehicle (ROV). Duties and responsibilities include: Design and modify mechanical and electronic components of ocean-bottom seismometers. Perform component layout, fabrication, assembly, testing, troubleshooting, repair and documentation of instruments. Prepare mechanical drawings and/or schematics of instrument designs. Perform electrical certification tests using advanced test equipment and mechanical certification tests using pressure chambers and test tanks. Participate in research expeditions: prepare and package instruments and equipment for shipment; deploy and recover instruments; and evaluate instrument performance and condition. Assist in the development of techniques for recovering instrumentation from the seafloor using an ROV. Collaborate with scientists to identify and solve issues that require skilled engineering solutions involving circuit board design and CAD software. Requirements include a Bachelor's degree in engineering, physics, or a related field and four years experience or a Master’s degree and two years of experience in a related field. Experience in analysis of instrument performance and developing modifications and improvements. Ability to create and interpret technical drawings. Experience with schematic capture and printed circuit board layout software. Proficiency in a broad range of electronic and mechanical assembly procedures. Good organization, communication and computer skills. Ability to work flexibly on ships at sea and in remote and isolated locations. A maximum of 3 months total per year (up to 2 months continuous) of sea duty is required. Must be able to pass physicals for assignments to Antarctic research cruises and be able to lift 50 lbs. Passport and a valid NY driver's license are essential. Search will stay open for 30 days after the ad appears and will continue until the job is filled. Applicants should submit a curriculum vitae, and the names and addresses of three references, to the RAPS quicklink: https://academicjobs.columbia.edu/applicants/Central?quickFind=52331 . A SUPPORT STAFF position: The Ocean Bottom Seismology Laboratory of LDEO is also seeking to fill a Marine Development Technician (Junior) position to provide skilled technical support to scientists and engineers for the assembly, preparation, deployment and repair of electronic and mechanical components of deep-ocean seismic systems. Duties and responsibilities include: Assemble mechanical and electronic components into complete instruments; test, repair and maintain equipment. Organize and maintain tools and supplies for instrument fabrication and seagoing operations. Participate in research expeditions: package instruments and equipment for shipment; assist in instrument deployments and recoveries; and assist in pre- deployment instrument preparation and post-recovery evaluation. Fabricate, repair and test electronic and mechanical components, including surface mount electronic assembly. Certify instruments and components using basic test equipment. Assemble, test and operate acoustic transponder systems in the lab and at sea. Help maintain and operate remotely operated vehicles (ROVs). Requirements include a Bachelor's degree in engineering, physics, or a related field or a combination of equivalent education and relevant experience (min. 6 years, with 3-5 years directly related). Experience in basic electrical and mechanical assembly procedures and the ability to interpret technical drawings. Ability to work with stainless steel, high-grade aluminum and plastics. Good organization, communication and computer skills. Ability to work flexibly on ships at sea and in remote and isolated locations. A maximum of 3 months total per year (up to 2 months continuous) of sea duty is required. Must be able to pass physicals for assignments to Antarctic research cruises and be able to lift 50 lbs. Eligibility to hold a US passport and a valid NY driver's license is necessary. For the Junior Marine Development Position: Please refer to Job Req. Number: 057015 by going to this quicklink: https://jobs.columbia.edu/applicants/Central?quickFind=116545 All interested candidates must apply separately for each position online ( please go to the specific quick link to apply as stated above). We consider online applications only. Columbia University is an Equal opportunity and affirmative action employer.