Systems Engineer III-VI
X-energy
Job Description X-energy is hiring experienced Systems Engineers to join its team. This role executes rigorous systems engineering processes to support the design, integration, and management of complex nuclear systems throughout their lifecycles. Working within established model‑based systems engineering frameworks, the position ensures all system components work together effectively and meet project requirements. The Systems Engineer focuses on verifying and validating product requirements according to the systems engineering lifecycle process while maintaining clear documentation of design decisions and system interfaces. Job Profile Tasks/Responsibilities Apply systems thinking and take a holistic approach to solve problems, analyze and design systems, considering the interdependencies and interactions between various components. Lead and manage systems engineering lifecycle efforts surrounding: Stakeholder and operational analysis Requirement identification, decomposition, and management Functional decomposition and modeling Logical system architecture development and modeling Physical product definition, interface management, and change control Design integration and testing System verification and validation Concept of operations development and modeling Develop and maintain system behavior models using model‑based systems engineering (MBSE) tools within established Product Lifecycle Management (PLM) frameworks. Lead the identification and monitoring of technical risks and the development of risk mitigation strategies. Support value engineering activities including cost analyses, economic feasibility assessments, and cost reduction opportunity identification. Write and review engineering documentation, reports, and communicate technical details and project progress to technical and non‑technical stakeholders. Execute systems engineering processes within X-energy's quality management framework. Work across engineering disciplines to ensure effective integration of system components and subsystems. Perform work in accordance with X-energy quality assurance procedures to ensure engineering products meet required standards. Always maintain professional demeanor and behavior in all forms of communication. Perform other duties as assigned by manager. Minimum Qualifications Bachelor’s degree in industrial and systems engineering, or other engineering related discipline from an ABET accredited institution required. Level III: Typically, five years of experience in an engineering role required. Level IV: Typically, ten years of experience in an engineering role required. Level V: Typically, fifteen years of experience in an engineering role required. Level VI: Typically, twenty years of experience in an engineering role required. A master’s degree in engineering or related field may be in lieu of two years of experience. A Ph.D. in engineering or related field may be in lieu of three years of experience. Previous experience at X-energy exceeding performance standards may be in lieu of years of experience. Experience with systems engineering software tools. Experience and/or knowledge in the following areas: System Lifecycle Processes (ISO 15288) Operational & Stakeholder Analysis Requirements Management System Design & Interface Management Design Integration & Testing Verification & Validation Model-Based Systems Engineering (MBSE) Tools and Methods & Product Lifecycle Management Systems e.g. Teamcenter PLM, Cameo, Capella, Genesys, SysML, and DOORS Systems modeling and simulation Interface control and management Configuration management and change control Technical risk assessment and management Location 530 Gaither Road, Rockville, MD Work Site Expectations 4 days in office Travel Expectations Up to 10% as needed for project assignment Hours 8:00am – 5:00pm ET, Monday – Friday Compensation As required by Maryland and other applicable state law, X Energy, LLC lists the expected compensation range for a publicly advertised job opportunity based upon the job requirements (e.g., education/training, experience, skill sets, etc.). Individual candidates who meet the job requirements for the posted position will be offered a salary within this range based on their respective levels of education/training, experience, and other qualifications unique to them. Salary ranges may vary based on the specific office location and region referenced in the posting to take into consideration differences in cost of living and may not be reflective of all regions. Please note that compensation ranges listed for US job postings reflect base salary only and do not include benefits or other incentives. Position Job Classification: Full time – Exempt X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, Medical/Dental/Vision Insurance, Life and Disability Insurance, Paid Time Off, and a Tuition Reimbursement/Professional Development policy that supports the continuing education of our employees. An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. X Energy, LLC participates in E-Verify. Please visit the links below for more information about E-Verify and the protection of your Right to Work. Right To Work Link: If you have the right to work, don't let anyone take it away (e-verify.gov) E-Verify Participation Link: E-Verify Participation Poster English and Spanish #J-18808-Ljbffr X-energy
$120k - $145k
...DescriptionX-energy is hiring multiple experienced Systems Engineers to join its team. This role is... ...accredited institution required.Level III: Typically, five years of experience in... ...experience in an engineering role required.Level VI: Typically, twenty years of experience...SuggestedFull timeWork at office$160k - $200k
...Software Systems Engineer III Rockville, Maryland or Hawthorne, California Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility...SuggestedPermanent employmentFull timeWork experience placement- ...in the DMV area preferred as the client is located in Silver Spring, MD*Three references required POSITION DESCRIPTION:The Systems Engineer III will provide advanced engineering and systems engineering support to the NOAA by applying disciplined engineering processes...SuggestedTemporary workWork experience placementRemote work
$120k - $215k
...require a bachelors degree in industrial and systems engineering, or a closely related engineering... ...years of engineering experience for Level III, 10 years for Level IV, 15 years for Level V, and 20 years for Level VI. A masters degree in engineering or a related...SuggestedFull timeWork at officeMonday to Friday- Overview The Systems Engineer III provides comprehensive Systems Engineering support for the Product Manager Biometrics (PM BIO), under Project Manager Terrestrial Sensors (PM TS), Portfolio Acquisition Executive (PAE), Layered Protection and Chemical, Biological, Radiological...SuggestedTemporary workFlexible hours
- ...interface between internal teams (licensing, engineering, program/project management, supply chain... ...of relevant licensing experience. Level III: Typically, five years of relevant... ...of relevant licensing experience. Level VI: Typically, twenty years of relevant licensing...Full timeWork at office
- ...Model-Based Systems Engineer III - Position Description We anticipate future opportunities for a Model-Based Systems Engineer III who wants to grow with the Company and join our team in Washington, DC . ICI Services is a 100% Employee-Owned small business...Temporary workFor contractorsImmediate startFlexible hours
- ...encourage interested candidates to apply for future consideration. As a Systems Engineer, you will Lead administration of Linux and Windows systems in secure, mission-critical environments. Provide Tier II/III technical support, resolving hardware, software, and user issues...Immediate start
$166k - $200k
...As Sr. Systems Engineer III (6706) , you’ll serve as chief technologist across software architecture, AI/ML systems, data and enterprise integration. Define technical strategy, reference architectures, and guardrails; assure engineering excellence, security‑by‑design...Full timeWork experience placementLocal areaFlexible hours- Reinventing Geospatial, Inc. (RGi) is seeking a Systems Engineer to administer Linux and Windows systems in secure, mission-critical DoD environments. You will provide Tier II/III support, manage virtualization (VMware, KVM), and implement STIG-compliant configurations...
- ...manner otherwise, please contact us at .Job DescriptionEngineer III/IV, Engineering Strategy & Operations plays a pivotal role in advancing... ...functions related to plant design including the nuclear island systems and conventional island systems.Create and maintain project...Full timeWork at office
$87.1k - $157.45k
Lead Systems Engineer - Agile Team Systems EngineeringLeidos is seeking Lead Systems Engineers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This work aligns with...Full timeRemote work$131.3k - $237.35k
Job Description:Lead the Technical Vision. Shape the Future.Leidos is seeking an experienced Systems Engineer Subject Matter Expert (SME) to provide technical leadership for the Chinook Program supporting the customers’ application. This is a high impact leadership role...Full timeContract workFor contractors$107.9k - $195.05k
Join Leidos and help shape the future of geospatial intelligence! We are seeking an experienced and innovative Senior Systems Engineer to support the Maru Program with our Intelligence Community customer. If you’re passionate about solving complex technical challenges,...Full timeContract work$108.8k
Overview Sr. Systems Administrator / Help Desk Engineer Gaithersburg, MD Are you ready to enhance your skills and build your career in a rapidly evolving... ...years of experience). DoD 8570 IAT Level II or Level III certification (Security+ CE, CASP+, CISSP, or...Work at officeWork from homeHome officeShift work- ...their Reliable Partner of Choice. CMT is seeking an Engineering Technician VI (HVAC) who possesses a comprehensive combination of experience... ...Technician roles, including advanced HVAC repair, control systems expertise, and mechanical maintenance of complex building...Contract workLocal areaShift work
$130.36k - $221.6k
...Job Description BAE Systems is seeking a Senior Systems Engineer to support our work as a prime contractor on a high-profile U.S. Navy weapon system. Accuracy, integrity, subject matter expertise, and the ability to work well independently and with others are important...Full timeFor contractorsWork experience placementLocal area- ...Leidos is seeking an experienced Systems Engineering SME to provide technical leadership for the Chinook Program supporting the customers' application. This role leads architecture, modernization strategies, and ensures high availability of cloud-based systems. You will...
- ...government’s most pressing business and technical challenges. Without you, it’s just data. AMDEX is seeking an experienced Systems Engineer to join our dynamic team supporting a federal client. The Systems Engineer shall serve as a subject matter expert in systems...Remote workFlexible hours
$130k - $180k
...Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues... ...management, acquisition and contracting, systems and digital engineering, software development, test and evaluation, sustainment and life...Full timeWork at officeFlexible hours$118.1k - $200.76k
...Principal Systems Engineer For System Verification And ValidationBAE Systems is seeking a Principal Systems Engineer for System Verification and Validation efforts in support of our work as a prime contractor on a high-profile U.S. Navy weapon system. The ideal candidate...Full timeFor contractorsWork experience placementLocal area- ...mission analysts to translate technical requirements into effective engineering solutions. Implement and manage Infrastructure‑as‑Code (IaC)... ...sprint planning, standups, and retrospectives. Assist with system integration, security hardening, and operational readiness to...Immediate start
- ...Senior Systems Engineer – HPC & GPU InfrastructureLeidos is looking for a senior Systems Engineer – HPC & GPU Infrastructure with a deep understanding... ...computing environment (CE) certification). An IAT Level III certification would also be acceptable (CASP+, CCNP Security,...
- ...Our key services include design and consulting, integration, and system support. At NTI, we stay curious and embrace the constantly... ...clients. Description We are looking for a skilled Systems Engineer to join our innovative team! In this role, you will play a...For contractors
$160k - $180k
...Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues... ..., earned value management, program management, system engineering, independent evaluation, and High Consequence Event prevention...Temporary workFlexible hours$73.45k - $132.78k
...technical challenges, keeping mission-critical systems running at peak performance, and... ...Mid-Level Systems Administrator / Helpdesk Engineer to join the Chinook Program supporting an... ...relevant experience. DoD 8570 IAT Level II or III certification (e.g., Security+ CE, CASP+,...Contract workShift workDay shiftAfternoon shift- Overview Job Title: Business Systems Engineer I & II - Essex Management (Contingent Roles) Notice to Candidates: Employment in these positions is expressly contingent upon Essex Management's receipt of a contract award from the Federal Government. Location...Contract workCasual workInternshipLocal areaRemote workWork from homeFlexible hours
$157k - $186k
...Senior Systems EngineerSupernus Pharmaceuticals is an award-winning biopharmaceutical company with more than 30 years of experience in... ...real impact on patient outcomes.Job Summary:The Senior Systems Engineer is responsible for designing, implementing, and maintaining complex...Visa sponsorship$131.3k - $237.35k
Description Leidos has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology...Contract workFor contractorsLocal areaImmediate startRemote workFlexible hours$141k - $181k
...Overview Senior Systems Engineer Gaithersburg, MD Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical IT solutions, producing actionable intelligence...
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