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410 senior systems engineer level 3 jobs found

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Lockheed Martin
Mar 19, 2026
Senior Systems Engineer, Level 3 -Top Secret Clearance Required
Lockheed Martin King of Prussia, PA, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you. You will be responsible for developing system level artifacts and engaging with customers, mission partners, and other stakeholders to satisfy and fulfill customer directed objectives As a member of the the Systems Engineering/Integration team, in this role you will performing in an accelerated, collaborative, dynamic small team...
Lockheed Martin
Feb 11, 2026
Senior Systems Engineer, Level 3
Lockheed Martin Cape Canaveral, FL, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you! The FBM Program is experiencing significant growth and we are currently seeking a Senior...
Lockheed Martin
Mar 31, 2026
Field Sales Support Systems Engineer Senior, AMMM - Level 3
Lockheed Martin Marietta, GA, USA
Description: You will be a Field Sales Support Systems Engineer Senior for the Supply Operations planning and execution effort associated with Air Mobility & Maritime Missions (AMMM) including C-130J, C-5, LM-100J, & P-3 Weapon Systems. What You Will Be Doing As the Field Sales Support Systems Engineer Senior, AMMM - Level 3, you will manage the logistics of spare and repair parts for one of our Direct Commercial Sales (DCS) customer. You will also support proposal development, project management, and finance management teams. Daily tasks and responsibilities include: · Coordinate with local satellite Third-Party Logistics (3PL) provider. · Provide Supply and Logistical support in the procurement, manufacture, and repair of AMMM aircraft spares. · Manage repair action in accordance with customer orders to achieve timely repair and return of assets. · Manage repair purchase orders from DCS, FMS, or USG customers. · Manage spares purchase orders from DCS, FMS, or...
Lockheed Martin
Mar 26, 2026
Systems Engineer Senior - Level 3
Lockheed Martin Fort Worth, TX, USA
Description: You will be the Systems Engineer Senior - Level 3 for the Advanced Development Program (ADP). What You Will Be Doing As the Systems Engineer Senior - Level 3 you will be responsible for delivering end‑to‑end systems engineering support across the ADP product line, from new concepts to existing aircraft. You will operate in a fast‑paced, dynamic environment that embraces Agile methodology and design to solve cutting‑edge technical challenges. Your responsibilities will include: - Driving requirements tracking, decomposition, and flow‑down across multiple programs. - Conducting risk management and technical trade studies to form design decisions. - Developing and maintaining verification and validation plans, ensuring airworthiness compliance. - Collaborating with suppliers, functional experts, and senior engineers to integrate solutions. - Understanding of industry-standard requirement formulation, decomposition, flow-down, traceability, and metrics is important,...
Lockheed Martin
Mar 25, 2026
Systems Engineer Senior - Level 3
Lockheed Martin Palmdale, CA, USA
Description: You will be the Systems Engineer Senior - Level 3 for the historic Skunk Works. We are looking for world-class talent for this position to join the 75+ year tradition of creating advanced aircraft. What You Will Be Doing As the Systems Engineer Senior - Level 3 you will be responsible for delivering end‑to‑end systems‑engineering support for advanced aircraft programs. Your responsibilities will include: - Generating, decomposing, tracking, and verifying requirements; performing risk assessments and trade studies. - Developing supplier specifications and supporting technical planning, integration, and test activities. - Managing multiple, varied assignments simultaneously in a fast‑paced, evolving environment. - Collaborating across multidisciplinary teams, communicating solutions to senior leaders, and proactively elevating issues. - Leading creative problem‑solving as an emerging specialist in systems engineering. What’s In It For You We are committed to...
Lockheed Martin
Mar 25, 2026
Systems Engineer Senior - Level 3
Lockheed Martin Palmdale, CA, USA
Description: You will be the Systems Engineer Senior - Level 3 for the historic Skunk Works. We are looking for world-class talent for this position to join the 75+ year tradition of creating advanced aircraft. What You Will Be Doing As the Systems Engineer Senior - Level 3 you will be responsible for delivering advanced systems engineering support, driving innovation for cutting‑edge aircraft programs. Your responsibilities will include: - Generating, decomposing, tracking, and verifying requirements; performing risk assessments and trade studies. - Developing supplier specifications and supporting technical planning, integration, and test activities. - Managing multiple, varied assignments simultaneously in a fast‑paced, evolving environment. - Collaborating across multidisciplinary teams, communicating solutions to senior leaders, and proactively elevating issues. - Leading creative problem‑solving as an emerging specialist in systems engineering. What’s In It For You...
Lockheed Martin
Mar 25, 2026
Systems Engineer Senior - level 3
Lockheed Martin Fort Worth, TX, USA
Description: You will be the Systems Engineer Senior for the Simulation Design team which is responsible for delivering high‑fidelity simulation solutions that enable customers to validate complex systems early in the development lifecycle. What You Will Be Doing As the Systems Engineer you will be responsible for bridging stakeholder needs with technical execution, driving Agile Methodologies and Model‑Based Systems Engineering (MBSE) practices, and ensuring that every design is verifiable and mission‑ready. Your responsibilities will include: Provide systems engineering support across multiple projects, ensuring solutions meet stakeholder needs and project objectives. Support Model‑Based Systems Engineering (MBSE) efforts on multiple projects. Generate, analyze, and manage customer and stakeholder requirements to inform system design and development. Create procedures for system verification to ensure designs meet operational needs....
Lockheed Martin
Mar 13, 2026
Systems Engineer Senior - Level 3
Lockheed Martin Fort Worth, TX, USA
Description: You will be the Systems Engineer Senior for the Common Stim team which is responsible for managing multi‑spectral lab stimulator procurement activities across Lines of Business used in the development of real‑time simulation systems. What You Will Be Doing As the Systems Engineer Senior you will be responsible for serving as the technical bridge between simulation lab teams and external hardware suppliers, ensuring stimulator systems meet program requirements. Your responsibilities will include: Procure Electronic Warfare, RADAR, Communication, Navigation & Interrogation, and EO/IR stimulator subsystems. Develop subsystem requirements and translate laboratory customer needs into clear specifications for suppliers. Manage requirements change implementation between internal engineering teams and external product suppliers. Support system integration and verification of new capabilities in hardware‑in‑the‑loop (HITL) simulation...
Lockheed Martin
Mar 10, 2026
Systems Engineer Senior - Level 3
Lockheed Martin Marietta, GA, USA
Description: You will be the Systems Engineer Senior - Level 3 for the Skunk Works which is responsible for advancing the 75‑year tradition of creating cutting‑edge aircraft. What You Will Be Doing As the Systems Engineer Senior - Level 3 you will be responsible for leading end‑to‑end systems engineering activities in a model‑based environment. Your responsibilities will include: - Generating, decomposing, tracking and verifying requirements; performing risk assessments and trade studies. - Writing supplier specifications and supporting technical planning for integration and test activities. - Collaborating across multidisciplinary teams while working independently to meet assigned deadlines. - Communicating solutions and status updates effectively to senior leaders and proactively elevate issues. - Contributing to innovative aircraft concepts that uphold the Skunk Works legacy. What’s In It For You We are committed to supporting your work‑life balance and overall...
Lockheed Martin
Feb 17, 2026
Systems Engineer Senior - Level 3
Lockheed Martin Palmdale, CA, USA
Description: You will be the Systems Engineer Senior - Level 3 for the Advanced Development Program (ADP) which is responsible for pioneering next‑generation aircraft technologies. What You Will Be Doing As the Systems Engineer Senior - Level 3 you will be responsible for translating ambitious concepts into verifiable system designs, driving the integration of cutting‑edge engineering disciplines, and delivering results in a fast‑paced, innovative environment. Your responsibilities will include: - Leading system architecture and trade‑study activities for advanced aircraft concepts. - Driving Model‑Based Systems Engineering (MBSE) practices and tool adoption. - Coordinating multidisciplinary teams to execute agile development cycles. - Managing multiple concurrent assignments while maintaining technical rigor and schedule commitments. - Producing technical risk assessments and present actionable solutions to senior leadership. What’s In It For You We are committed to...
Lockheed Martin
Feb 17, 2026
Systems Engineer Senior - Level 3
Lockheed Martin Fort Worth, TX, USA
Description: We are Lockheed Martin You will be the Systems Engineer Senior for the F-35 Technical Management / Life Cycle Management (LCM) Team. What You Will Be Doing As the Systems Engineer Senior your responsibilities will include: • Leading and overseeing the execution of the Systems Engineering (SE) process, including development, evaluation, and measurement of technical processes to ensure program requirements are met. • Conducting integrated technical planning and control, managing the requirements process, generating and analyzing metrics, and reporting on technical efforts. • Developing, leading, and presenting engineering milestone events such as Systems Engineering Technical Review (SETR) events, including SRR, PDR, CDR, TRR, FCA, PCA, and more. • Performing detailed technical integration across critical program functions, ensuring seamless coordination and communication. • Creating bids and Bases of Estimates (BOEs), identifying risks and opportunities, and...
Lockheed Martin
Dec 12, 2025
Systems Engineer Senior - Level 3
Lockheed Martin Palmdale, CA, USA
Description: This position is with the historic Skunk Works in Palmdale, CA. We are looking for world-class talent for this position to join the 75+ year tradition of creating advanced aircraft. What You Will Be Doing: · The candidate will have experience across the spectrum of systems engineering activities, ideally in a model-based environment. · The candidate must be able to handle multiple and widely varying assignments simultaneously in a fast paced, ever changing environment. · The candidate will generate, decompose, track and verify requirements, perform risk assessments, perform trade studies, write supplier specifications, support technical planning, and support integration and test activities. · The candidate must have the ability to work independently in addition to being a team player, successfully meet assigned deadlines, effectively communicate solutions to senior leaders and proactively elevate issues when necessary. · The ideal candidate is an emerging...
Lockheed Martin
Mar 20, 2026
Systems Engineer Senior - Requirements (Level 3)
Lockheed Martin Littleton, CO, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world’s hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible products? We provide the resources, inspiration and focus—if you have the passion and courage to dream big, then we want to build a better tomorrow with you. Lockheed Martin Space is looking for an innovative and experienced Systems Engineer to support the team that designs, develops, fields and operates systems for a variety of national security mission partners for a growing program in SPP Mission area. This a key role in...
Lockheed Martin
Mar 14, 2026
Embedded Systems Security Engineer, Senior - Level 3
Lockheed Martin Orlando, FL, USA
Description: You will be a Cyber Systems Security EMBEDDED Engineer in the Program Protection Organization. Our organization oversees all aspects of Anti-Tamper and embedded Cybersecurity across Missiles and Fire Control. We are chartered with providing the skills and innovative technologies to develop, design, produce and sustain secure products across our Lines of Business. What You Will Be Doing As the Cyber Systems Security Engineer you will be responsible for providing embedded System Security Engineering design and implementation in all aspects of System Security Engineering (SSE) process in development of Department of Defense (DoD) Weapon Systems. Your responsibilities will include: • Assessing and mitigating System Security threats/risks throughout the embedded Weapon System development life cycle. • Validating System Security Engineering requirements decomposition, allocation and analysis for embedded Weapon Systems. • Implementing System Security Engineering...
Lockheed Martin
Feb 19, 2026
Senior Software Systems Engineer - Level 3
Lockheed Martin King of Prussia, PA, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re re-imagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. The Software Systems Engineer will use Model-Based Systems Engineering (MBSE)...
Lockheed Martin
Feb 17, 2026
Systems Engineer Senior - Payload Integration (Level 3)
Lockheed Martin Littleton, CO, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every day we use our unique skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you. Going to space is just the beginning. It’s what you do when you get there that matters. Lockheed Martin builds the satellites and spacecraft that do amazing things in space for government and commercial customers. Connecting people. Advancing discovery. And protecting what matters most. Lockheed Martin-built satellites...
Lockheed Martin
Feb 11, 2026
Systems Test Engineer Senior (Level 3)
Lockheed Martin King of Prussia, PA, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours What does this role look like? Lockheed Martin Space is seeking a senior systems test engineer to join the Global Security Future...
Lockheed Martin
Mar 31, 2026
ElectroMechanical Harness Engineer III
Lockheed Martin Englewood, CO, USA
Description: The Fleet Ballistic Missile Avionics team is seeking an experienced Lead Electromechanical Harness Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics Cable and Harnessing and ultimately advance them for flight use. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton or Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Support trade studies on cable and harness design approaches and will provide technical data for informal and formal design review documentation and presentations. • Coordinate with thermal, dynamic, stress, reliability, EMC, and survivability analyses to assure compliant designs. • Support manufacturing and test disciplines in minimizing cycle time and resolving problems. • Establish specifications for contract assemblers and...
Lockheed Martin
Mar 31, 2026
ElectroMechanical Harness Engineer III
Lockheed Martin Englewood, CO, USA
Description: The Fleet Ballistic Missile Avionics team is seeking an experienced Electromechanical Harness Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics Cable and Harnessing and ultimately advance them for flight use. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton or Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Support trade studies on cable and harness design approaches and will provide technical data for informal and formal design review documentation and presentations. • Coordinate with thermal, dynamic, stress, reliability, EMC, and survivability analyses to assure compliant designs. • Support manufacturing and test disciplines in minimizing cycle time and resolving problems. • Establish specifications for contract assemblers and...
Lockheed Martin
Mar 31, 2026
Quality Engineer Sr
Lockheed Martin Arlington, TX, USA
Description: Lockheed Martin is seeking a seeking Senior Level Quality Engineer to support an Advanced Programs significant development program with the potential to be a franchise program. to be based in Grand Prairie, TX. The position will require working flexible hours and travel out of the assigned geographical area to support suppliers across the United States. What You Will Be Doing Your responsibilities will include, but are not limited to: -Performance at suppliers of scheduled product source inspections, first articles, and product validations as outlined by AS9102 and applicable company and industry standards -Provide internal and supplier support for root cause and corrective/preventive actions. -Support Supplier requests tied to program requirements, interface with customer needs and program management activities -Participate (as required) in supplier's failure/diagnosis and Material Review Board (MRB) activities -Perform on-going surveillance of...
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