Systems Engineer Sr- EXPAT - E3

Field Systems EngineerLockheed Martin Rotary & Mission Systems seeks a highly skilled Field Systems Engineer to sustain a large-scale, ground-based, software-defined radio-frequency (RF) system located overseas. The installation consists of parabolic-dish antennas, high-power amplifiers, and a cloud-hosted application stack that integrates RF, hardware, software, network, and IT subsystems. The engineer will focus on the sustainment of the integrated mission-application software and the physical transmit/receive RF paths that deliver mission capabilities. Required expertise includes Linux-based mission-software operation and familiarity with RF test equipment. The role is embedded with government operators, providing day-to-day technical support, preventive and corrective maintenance, and ensuring operational availability.Work EnvironmentWorking at height inside large antenna structures is frequently required.Shift work or offset hours may be needed to de-conflict activities or align with CONUS time zones.Key ResponsibilitiesOperation SupportOversee system operation by government operators and document subsystem availability per the Mission Essential Subsystem List (MESL).Implement RF-link health and application-availability monitoring methods.Generate periodic status reports.Technical OversightProvide on-site subject-matter expertise for both mission-application software and RF/antenna hardware.Collaborate with the factory on O&M manuals, incorporating field lessons and driving continuous-improvement updates.Preventive MaintenanceReceive and integrate scheduled mission-software deployments.Execute regression testing for new releases or routine patches to maintain mission-capability availability.Corrective MaintenanceDetect, isolate, and recover from faults across software and hardware domains.Perform cross-domain troubleshooting, document defects, and complete root-cause corrective-action reports.System ModificationsAct as system integrator for upgrades and modifications.Work with the factory on Modification Test Plans, execute test procedures, and supply data for Modification Test Reports.Software As-Built Configuration ManagementTrack deployed software versions, including subcontractor firmware.Synchronize configuration changes with the factory GitLab repository.Hardware As-Built Configuration ManagementRecord hardware replacements in the defect-report and maintenance-management system.Verify as-built hardware baselines against drawings and schematics, especially during remove/replace or new-install activities.Communicate redlines to the factory for baseline updates.ReportingProduce daily reports, mission logs, regression-test data, and defect reports.Deliver data to satisfy customer CDRLs, O&M dashboards, internal status tracking, and cross-functional technical collaboration.Business RhythmsSupport regular business-rhythm forums to enable planning, status tracking, and rapid issue resolution across LM, subcontractors, and government stakeholders.Basic QualificationsBS in Engineering STEM fieldSecurity Clearance required Prior to Start: Top Secret5 years of Systems engineering integration and test for end-to-end hardware/software integrated systemsT-shaped professional with deep expertise in one of the disciplines listed under Desired Skills as well as cross-disciplinary foundation across othersStrong analytical, communication, and interpersonal skills. Proven ability to generate clear technical briefings and reports for senior leadership or government stakeholders.Extended deployment in OCONUS locationDesired SkillsRF and antenna systemsSoftware defined radio and signal processingCloud-based infrastructure including virtualized and containerized environmentsHardware engineering including drawings, schematics and bill of materialsSoftware engineering including integration of complex software systemsCyber security systems architectureSustainment engineering and trainingReliability Maintainability and Availability engineeringMission planning and command and controlTools – Atlassian JIRA/Confluence, GitlabInformation System – Linux, Bash, OpenShiftEquipment - oscilloscopes, spectrum analyzers, network analyzers, signal generators, power meters, and optical link testersPay InformationFull-Time Salary Range: $95900.00 - $178100.00 At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally. The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability. Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.