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EPSSG EndtoEnd Instrument Processing Chains System Architect

2015-08-24 01:04:43| Space-careers.com Jobs RSS

EPSSG EndtoEnd Instrument Processing Chains System Architect We are looking to further enhance our team by adding a EPSSG EndtoEnd Instrument Processing Chains System Architect You will be based initially for 2 years at our clients headquarters in Darmstadt, Germany. Extension of a further 2 years may be possible. In this large European Agency you will find an excellent and modern working environment with challenging tasks and responsibilities. Your Tasks Include The activities for the selected keyperson will be related to overall System aspects for endto end instrument functional chains, i.e. involving the space segment satellites as well as the ground segment, the latter consisting of the data acquisition systems, monitoring and control systems, data processing chains and product dissemination facilities. In the frame of endtoend instrument functional chain activities, the keyperson will be part of the EPSSG System Team and provide support for tasks related to specifications of on ground data processing chains, definition of their interfaces, definition of space to ground data flows, verification and validation of onground data processing chains for imaging and sounding instruments. It is emphasized that a major part of the work to be undertaken by the consultant will be to followup and assess the outcome of the ongoing activities done by different groups in the EPSSG team EPSSG system team, EPSSG instrument team, EPSSG science team and EPSSG ground segment team, and ensure that all the inter disciplinary activities are done in a systematic way, compatible with the EPSSG programme objectives and constraints. The activities to be followed up are in the following areas Refinement and maintenance of the System Requirements Document when dealing with instrument data processing chains, including analysis of the system design, requirements tracing and justification Definition of ground segment requirements and concepts related to instrument data processing chains specifically definition of the operational processors, from level 0 up to level 2 Definition and maintenance of the processing specifications Product Generation Specifications PGSs, Product Format Specifications PFSs and Auxiliary Data Specifications ADS Development of reference processors that implement the functionalities defined in the processing specifications Development of the operational processors and of the related processing framework Definition of the approach for development, verification and validation VV of the instrument data processing chains, including definition of testing concepts, test scenarios and test data sets Verification, integration and acceptance of the instrument data processing chains, specifically the operational processors, including generation of test data sets and development of test tools Maintenance and refinement of EndtoEnd E2E performance requirements spectral, radiometric and geometric requirements allocation and budgeting performed by space segment and instrument providers, specifically when dealing with instrument data processing. Typical activities to be undertaken by the consultant are Perform analyses to ensure completeness and coherence of the System and subsystem design for all aspects related to data processing and contribute as needed to the System Design Justification Document Analyze ground segment requirements related to instrument data processing chains and their implications on the system architecture and design report about inconsistencies and follow up resolution of noncompliances Ensure that the operational processors which are developed as part of the EPSSG Ground Segment are consistent with the EPSSG System architecture and able to meet the EPSSG system requirements specifically E2E performance requirements spectral, radiometric and geometric requirements and timeliness requirements provide reporting about inconsistencies and noncompliances Review and contribute to the preparation of the processing specifications Product Generation Specifications PGSs, Product Format Specifications PFSs and Auxiliary Data Specifications ADS to confirm and ensure their consistency with the System requirements Review space segment and instrument documents e.g. S2GICD, Instrument ICDs, APIDsVCIDs allocation to identify implications for the System when related to instrument data processing review of instrument data processing algorithms and calibration concepts defined by industry with emphasis on their implications on data processing interfaces and architecture Review ground segment documentation dealing with requirements, design and technical analyses of relevance for data processing to ensure consistency with system requirements and design Assess implications ofcontributions by the data processing chains to EndtoEnd E2E performance requirements spectral, radiometric and geometric requirements and contribute to the compilation of E2E performance budgets any noncompliances with the EPSSG System E2E performance requirements need to be identified and resolved Participate in formal reviews and technical meetings at system, space segment and ground segment level when relevant for instrument data processing Prepare documentation for System reviews Coordinate interdisciplinary meetings relevant for instrument data processing chains Support studies internal or external and the evaluation of their results when relevant for instrument data processing. Most activities will involve interactions with other teams, primarily in the LEO division, and also, as relevant for the work, with engineers at partner agencies. Your Profile The keyperson shall have the following experience and background University degree in the domain of engineering, science, or equivalent At least 5 years of experience in engineering of onground data processing elements, including requirements specification, architecture and detailed design, definition of interfaces and testing concepts for spaceborne observing systems as imaging andor sounding instruments Demonstrated ability to perform analyses of a System combined space and ground segment top down and to perform syntheses. The following experience would be an additional asset Experience in verifying and validating complex realtime data processing systems for spaceborne observing systems as imaging andor sounding instruments Experience in specification, development andor procurement of instrument test data sets and processor prototypes for spaceborne observing systems as imaging andor sounding instruments Knowledge of relevant spaceborne observation instruments EPSSG satellites will embark sounders and imagers from the ultraviolet to the microwave range, a scatterometer and a radiooccultation instrument Mission performance analysis, budgeting and verification for spaceborne observing systems as imaging andor sounding instruments Experience in specification of operational products for earth observation missions. The keyperson shall be able to fulfill the assigned tasks with a minimum of supervision, have a systematic approach to work, be able to plan hisher work and cope with tight schedules and multiple tasks. Heshe shall have the capability to write accurate and consistent technical documentation. Good communication skills verbal and written are important. Heshe shall be willing to work in a team of engineers and in cooperation with industry and partner agencies. The official languages are English and French. The working language for the position is English and therefore the keyperson must be able to work effectively in this language. REFERENCE 15211101 LOCATION Darmstadt, Germany CONTACT recruitmoltek.net CLOSING DATE 24th September 2015 MOLTEK has been serving the space and aerospace industries since 1995, providing international consultancy services for a wide variety of clients from private and public corporations to national and international authorities and agencies.

Tags: system processing instrument architect

Antenna Pattern correction methods Researcher EPSSG MWI ICI

2015-08-07 18:07:35| Space-careers.com Jobs RSS

Study on Antenna Pattern correction methods for EPSSG MWI and ICI One of our Space Clients in Germany is looking for a researcher to work on a study exploring the possible methodologies to perform the antenna pattern correction APC to transform the antenna radiance into the radiance of the beam associated to each footprint on ground at microwave MW and submmwave frequencies used by the passive imagers that will be on board of the EPSSG satellites. The submission deadline for applicants is August 31st 2015. Study objectives Antenna pattern correction APC is an important part of the Level 1B L1B processing of microwave imager data. The APC removes unwanted contributions from retrieved antenna radiance data. This assures that remotely sensed information passed to data assimilation systems can be successfully used without further processing. The APC generally performs three steps when retrieving linearly polarized radiance information horizontal andor vertical 1 Removal of crosspolarised contamination. 2 Removal of Horn Spillover. 3 Removal of Main Reflector Emission. 4 Removal of other contributions from the instrument structure. 5 Removal of sidelobe contributions from the external antenna pattern of the instrument. The first step can be generally performed when both polarizations are observed. Spillover contribution, main reflector emission and contributions for the instrument structure depend on details of the instruments design which are still under refinement at this stage. The present study focuses on the fifth step of the APC procedure for the Earth view part of the scan, taking also into account the first step see section 4.2. Microwave radiometers for EPSSG are required to have at least 95 beam efficiency signal in the main lobe, defined as the region within 2.5 times the half power beam width HPBW. The remaining part, coming from far secondary lobes or sidelobes, should therefore be removed from the antenna temperature to retrieve only the main lobe brightness temperature. These secondary lobes are affected by the Earth scene itself, and eventually even by the satellite structure, which may reflect radiation coming from the Earth andor directly contribute to the received signal by thermal emission. The main issue is that, due to orbital movement and Earth scene natural variation, top of the atmosphere TOA radiative contribution of the Earth emitted directly or reflected by the satellite within the sidelobes is highly variable. This study aims to explore effective ways to perform the removal of sidelobe contribution in the Earth view that could be applied in the operational processing to generate Level 1B data from MWI and ICI Level 0 raw instrument data. The main objective of the study is to discuss and test the possible sidelobes correction methods using idealized and realistic antenna patterns, providing an objective assessment and the associated software for the most promising methods. MWI and ICI characteristics applicable to the study The MWI will be a conically scanning instrument, as the SSMI Special Sensor MicrowaveImager and the AMSRE Advanced Microwave Scanning Radiometer for EOS. The ICI will be a conical scanning radiometer observing in the microwave and submm wave range. Study tasks The following tasks are to be performed within this study 1 Antenna pattern definition Input Literature, this SOW, any suitable analysis tool. Output Technical report 1, antenna patterns for MWI and ICI, projection of antenna patterns on ground. 2 Assessment of APC methods Optimum Interpolation OI of nearby observations in the Earth view e.g. RD5, RD6, RD7. RD5 considers also the treatment of crosspolarization contribution. Use of climatological radiance maps as suggested by RD8. Use of NWP fields coupled to a radiative transfer model to compute the Earth scene radiance. This method requires all the necessary boundary conditions surface characterization and atmospheric properties in order to compute the outgoing radiance at the top of the atmosphere TOA. Any other relevant method documented in literature, if applicable. In this respect, a literature search shall be performed as well. Input Literature, this SOW, Output from Task 1, any suitable analysis tool. Output Task 2 Technical Report and documentation of Task 2. 3 Development of the sidelobe correction software Input Output from Task 1 and Task 2. Output 1. Sidelobe correction software package including source code, auxiliary datasetsconfiguration, reference input and output, and documentation user guide, highlevel architecture 2. Full technical report including documentation of Task 3 and executive summary. Deliverable items Updated technical reports implementing comments fromthe client after each task. Monthly progress reports a short report to be submitted by email in the first week of every month. Presentation material from the review meetings and minutes of meetingsteleconferences. Good English skills are essential as all documentation and presentation material shall be written in English.

Tags: methods ici pattern correction

EPSSG SpacetoGround System Verification Validation Engineer 1513068

2015-08-04 22:05:33| Space-careers.com Jobs RSS

Solenix is specialized in the provision of highquality software engineering, technical consulting and operations services in the aerospace domain. This vacancy note concerns an onsite consulting position at EUMETSAT in Darmstadt, Germany. EPSSG SpacetoGround System Verification Validation Engineer 1513068 Job Description We are looking for a EPSSG SpacetoGround System Verification Validation Engineer to support our client EUMETSAT. Your activities will be an input for the overall System VV activities. The focus is on VV activities related to the spacetoground RF links between the MetopSG satellites and the ground stations. The main RF links are in Sband for housekeeping telemetry HKTM and telecommands TC and Ka and Xbands for the transmission of payload mission data. In addition, EUMETSATs ground station in Svalbard has to support NOAAs JPSS satellites in Sband and Kaband and as needed you would be also involved in related test activities. While the tasks outlined in the following are worded to apply to System test activities related to these spacetoground interfaces RF and data handling, depending on your expertise, equivalent activities might also be assigned in other areas of EPSSG System VV. List of typical tasks Test preparation execution Definition of the approach scope of tests, test cases, key test data test tools, logistics, ... for testing of spacetoground RF interfaces of the MetopSG and JPSS satellites with relevant ground stations, and generation of the related test plans. Generation of test specifications elaboration of test cases and of stepbystep test procedures. Preparation of a schedule for the test activities, taking into account the development schedule of ground stations, of test tools such as RF suitcases, etc. Support for the coordination of test activities with partners in particular NOAA for testing for JPSS and, as relevant, industry. Performing reviews of technical documentation provided by MetopSG industry and by EPSSG ground segment industry, to ensure compatibility of related design and testing with needs of EPSSG System VV. Coordination of shipments of test tools such as RF suitcase to the ground station, execution of the planned tests, analysis of the results and preparation of test reports if occurring during the period of the consultancy. Test tools Generation maintenance of requirements specifications for relevant test tools e.g., for RF suitcases S, Ka and Xband and for RF InOrbit Test IOT tools. Contribution to the generation maintenance of Interface Requirements Documents Interface Control Documents for these test tools. Contribution to the development procurement of test tools following up the development of RF suitcases part of MetopSG development review relevant technical documents provided by industry and support acceptance testing following up the development of RF IOT tools part of EPSSG Ground Segment development review relevant technical documents provided by industry and support acceptance testing development procurement of further test equipment as needed for testing of spacetoground RF interfaces Preparation of a plan to ensure that all relevant RF test equipment remains calibrated over the foreseen testing duration. System requirements specification and verification Support for the maintenance of the EPSSG SpacetoGround Interface Requirements Document SGIRD. Consolidation of the approach method, level, phase, etc. for the verification of the SGIRD and maintenance of the related Verification Control Matrix VCM in DOORS. Analysis of subSystem level VCMs and associated documentation, to ensure consistency with the verification approach to be applied at subSystem level MetopSG Space Segment and EPSSG Ground Segment. Assessment and tracking of results of verification activities done by MetopSG and EPSSG Ground Segment industry as relevant for spacetoground interfaces and recording of relevant results in the VCM. Recording of results of executed EPSSG System tests in the VCM if tests occurring during the period of the consultancy. Preparation of verification control documents for the SGIRD, with the synthetic status of the performed verification. In addition you will be involved in some more general tasks Participation in support for relevant internal and external technical meetings. Regular review of EPSSG documentation dealing with requirements, system concepts, architecture and design, technical analyses, to identify information of importance for System VV activities. In addition, and with the same aim, analysis of documents provided by external partners, specifically in the framework of formal reviews for space segment andor ground segment elements. Support for the preparation of documentation for EPSSG System level reviews. Required Skills and Experience You shall be able to demonstrate the following mandatory technical experience and background University degree in the domain of engineering, physics or equivalent. At least 3 years of handson involvement in RF testing of spacetoground interfaces at satellite andor ground station level. Familiarity with procurement, installation, use and maintenance of relevant test equipment, such as RF suitcases. Handson experience with the preparation of test documentation test plans, specifications, procedures and reports. Desirable Skills and Experience Involvement in the preparation and execution of tests at remote sites. Involvement in RF design related to spacetoground interfaces at satellite andor ground station level. Expertise in Kaband link design or testing. Experience in other areas of System VV, such as Satellite System Validation Tests i.e. validation of endtoend TMTC chains and of spacecraft operational procedures. Work Location Darmstadt, Germany Dates Application Deadline 04 September 2015 Start of Work Q4 2015 Important Notes Before applying to this position, please read the page Notes to Applicants on the Solenix website under Career. Applicants must be EU citizens or have a valid work and residence permit in Germany. Security, identity and reference checks on the candidates are part of the recruitment process. Job Application Please send your applications electronically to careersolenix.ch before the application deadline 04 September 2015 Learn more about us in Facebook

Tags: system engineer validation verification

EPSSG Space to Ground System Verification Validation Support

2015-08-04 12:05:04| Space-careers.com Jobs RSS

About us SCISYS Deutschland GmbH provides professional engineering and consultancy services supporting space programmes and missions. We have a strong presence at ESOC and EUMETSAT, as well as serving all ESA sites and spacecraft primes. Our team is composed of university graduates and experienced professionals, comprising some of the most knowledgeable, dedicated and talented engineers across Europe. Our services cover the whole life cycle of space programmes from early concepts to operations. Our Space Division provides a dynamic, supportive and friendly atmosphere in which you are encouraged to lead with initiative. We support new ideas from our colleagues and are focused on innovation. Moreover, we actively manage your professional development, training and career progression. For the location in Darmstadt Germany we are looking for a EPSSG SpacetoGround System Verification Validation Support at EUMETSAT. Tasks EUMETSAT Polar SystemSecond Generation EPSSG will be based on a twosatellite configuration with the launch of the first satellite MetopSG A in mid2021 followed by the second satellite MetopSG B 18 months later. Two recurrent Metop SG A and B satellites will be provided and launched in order to achieve a minimum of 21 years of operations. The activities performed by the keyperson will be an input for the overall System VV activities. The focus is on VV activities related to the spacetoground RF links between the MetopSG satellites and the ground stations. The main RF links are in Sband for housekeeping telemetry HKTM and telecommands TC and Ka and Xbands for the transmission of payload mission data. In addition, EUMETSATs ground station in Svalbard has to Support NOAAs JPSS satellites in Sband and Kaband and as needed the keyperson would be also involved in related test activities. While the tasks outlined in the following are worded to apply to System test activities related to these spacetoground interfaces RF and data handling, depending on the expertise of the keyperson, equivalent activities might also be assigned in other areas of EPSSG System VV. List of typical tasks Test preparation execution Definition of the approach scope of tests, test cases, key test data test tools, logistics, ... for testing of spacetoground RF interfaces of the MetopSG and JPSS satellites with relevant ground stations, and generation of the related test plans. Generation of test specifications elaboration of test cases and of stepbystep test procedures. Preparation of a schedule for the test activities, taking into account the development schedule of ground stations, of test tools such as RF suitcases, etc. Support for the coordination of test activities with partners in particular NOAA for testing for JPSS and, as relevant, industry. Performing reviews of technical documentation provided by MetopSG industry and by EPSSG ground segment industry, to ensure compatibility of related design and testing with needs of EPSSG System VV. Coordination of shipments of test tools such as RF suitcase to the ground station, execution of the planned tests, analysis of the results and preparation of test reports if occurring during the period of the consultancy. Test tools Generation maintenance of requirements specifications for relevant test tools e.g., for RF suitcases S, Ka and Xband and for RF InOrbit Test IOT tools. Contribution to the generation maintenance of Interface Requirements Documents Interface Control Documents for these test tools. Contribution to the development procurement of test tools Following up the development of RF suitcases part of MetopSG development review relevant technical documents provided by industry and support acceptance testing Following up the development of RF IOT tools part of EPSSG Ground Segment development review relevant technical documents provided by industry and support acceptance testing Development procurement of further test equipment as needed for testing of spacetoground RF interfaces Preparation of a plan to ensure that all relevant RF test equipment remains calibrated over the foreseen testing duration. System requirements specification and verification Support for the maintenance of the EPSSG SpacetoGround Interface Requirements Document SGIRD. Consolidation of the approach method, level, phase, etc. for the verification of the SGIRD and maintenance of the related Verification Control Matrix VCM in DOORS. Analysis of subSystem level VCMs and associated documentation, to ensure consistency with the verification approach to be applied at subSystem level MetopSG Space Segment and EPSSG Ground Segment. Assessment and tracking of results of verification activities done by MetopSG and EPSSG Ground Segment industry as relevant for spacetoground interfaces and recording of relevant results in the VCM. Recording of results of executed EPSSG System tests in the VCM if tests occurring during the period of the consultancy. Preparation of verification control documents for the SGIRD, with the synthetic status of the performed verification. In addition the keyperson will be involved in some more general tasks Participation in support for relevant internal and external technical meetings. Regular review of EPSSG documentation dealing with requirements, system concepts, architecture and design, technical analyses, to identify information of importance for System VV activities. In addition, and with the same aim, analysis of documents provided by external partners, specifically in the framework of formal reviews for space segment andor ground segment elements. Support for the preparation of documentation for EPSSG System level reviews. Essential requirements The keyperson shall have the following mandatory technical experience and background University degree in the domain of engineering, physics or equivalent. At least 3 years of handson involvement in RF testing of spacetoground interfaces at satellite andor ground station level. Familiarity with procurement, installation, use and maintenance of relevant test equipment, such as RF suitcases. Handson experience with the preparation of test documentation test plans, specifications, procedures and reports. Desirable requirements The following technical expertise would be beneficial Involvement in the preparation and execution of tests at remote sites. Involvement in RF design related to spacetoground interfaces at satellite andor ground station level. Expertise in Kaband link design or testing. Experience in other areas of System VV, such as Satellite System Validation Tests i.e. validation of endtoend TMTC chains and of spacecraft operational procedures. In terms of further skills, the keyperson shall Ability to fulfil the assigned tasks with a minimum of supervision A systematic approach to work Ability to plan hisher work, considering tight schedules and multiple tasks Good communication skills verbal and written Ability to work in a team of engineers and in cooperation with industry and partner agencies. Other Information Start date is 4th quarter of 2015 Fluency in English is mandatory The candidate must have a valid German work and residence permit or be an EU Citizen To apply online please visit httpwww.scisys.dewowirarbeitenspacekarrierespacejobs.html

Tags: support system space ground

EPSSG Verification and Validation Engineer

2015-08-04 11:04:49| Space-careers.com Jobs RSS

HE Space is a successful international space company. For over 30 years, we have been supporting our customers with qualified experts in the field of engineering, science and administration. We are currently looking for an EPSSG Space Ground System Verification and Validation Engineer to support our customer in Darmstadt, Germany. EPSSG Verification and Validation Engineer Key Tasks and Responsibilities As part of the EPSSG System Verification and Validation Team in the Low Earth Orbit Division LEO at EUEMTSAT, you will have the following responsibilities Definition of the approach for testing of spacetoground RF interfaces of the MetopSG and JPSS satellites with relevant ground stations Preparation of test specifications, test plans, test procedures, schedule of activities Following up the development of RF suitcasesRF IOT tools, review technical documents and support acceptance testing Coordination of shipment of test tools such as RF suitcase to the ground station Execution of the test, analysis of the results and preparation of test reports Performing reviews of technical documentation provided by industry Support for the maintenance of the EPSSG SpacetoGround Interface Requirements Documents SGIRD Preparation of verification control documents for the SGIRD, with the synthetic status of the performed verification. Skills Experience You will have the following qualifications and relevant experience University degree in the domain of engineering, physics or equivalent Handson experiences in RF testing of spacetoground interfaces Procurement, installation, use and maintenance of relevant test equipment such as RF suitcases Preparation of test documentations test plans, specifications, procedures and reports Preparationexecution of tests, RF design, Kaband link designtesting Fluency in English is mandatory knowledge of another European language is an advantage. This job is located in Darmstadt, Germany. We welcome applicants who are available from September 2015 or as soon as possible thereafter. If you think you have what it takes for this job, please send us your CV together with a letter of motivation both in English and in Word to Ms Veronika Horvath at jobshespace.com, quoting job DEDSC2717 before 04092015. An exciting and dynamic international working environment awaits you! Please note Due to work permit restrictions for this position, please apply only if you are citizen of a European Union state or if you are eligible to obtain a work permit for Germany.

Tags: engineer validation verification verification validation

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