Systems Engineer Sr- EXPAT - E3 with Security Clearance

Job Number 15204 Standard Job Description ****This is an OCONUS EXPAT long term assignment**** Lockheed 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 Environment

• Working 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 Responsibilities

• Operation Support
• Oversee 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 Oversight
• Provide 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 Maintenance
• Receive and integrate scheduled mission-software deployments.
• Execute regression testing for new releases or routine patches to maintain mission-capability availability.
• Corrective Maintenance
• Detect, isolate, and recover from faults across software and hardware domains.
• Perform cross-domain troubleshooting, document defects, and complete root-cause corrective-action reports.
• System Modifications
• Act 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 Management
• Track deployed software versions, including subcontractor firmware.
• Synchronize configuration changes with the factory GitLab repository.
• Hardware As-Built Configuration Management
• Record 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.
• Reporting
• Produce 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 Rhythms
• Support regular business-rhythm forums to enable planning, status tracking, and rapid issue resolution across LM, subcontractors, and government stakeholders.

Basic Qualifications • BS in Engineering STEM field • Security Clearance required Prior to Start: Top Secret • 5 years of Systems engineering integration and test for end-to-end hardware/software integrated systems • T-shaped professional with deep expertise in one of the disciplines listed under

Desired Skills as well as cross-disciplinary foundation across others • Strong analytical, communication, and interpersonal skills. Proven ability to generate clear technical briefings and reports for senior leadership or government stakeholders. • Extended deployment in OCONUS location

Desired Skills Experience in one or several of the disciplines below • RF and antenna systems • Software defined radio and signal processing • Cloud-based infrastructure including virtualized and containerized environments • Hardware engineering including drawings, schematics and bill of materials • Software engineering including integration of complex software systems • Cyber security systems architecture • Sustainment engineering and training • Reliability Maintainability and Availability engineering • Mission planning and command and control • Tools - Atlassian JIRA/Confluence, Gitlab • Information System - Linux, Bash, OpenShift • Equipment - oscilloscopes, spectrum analyzers, network analyzers, signal generators, power meters, and optical link testers Pay Information Full-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, candidates 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.
• For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays.

Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.