Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Mechanical Engineer

Marathon TS

Senior Engineer, Mechanical

Key Responsibilities
  • Serve as the mechanical engineering technical authority across multiple programs and technology initiatives.
  • Provide hands-on leadership for mechanical design, integration, and product support activities across pre-production, production, and sustainment programs.
  • Oversee the complete product lifecycle.
  • Establish and mature engineering processes, design methodologies, and execution frameworks where formal infrastructure may not yet exist.
  • Participate in and lead engineering change activities, configuration management processes, and design reviews.
  • Perform and oversee system-level analyses, including tolerance analysis, manufacturability assessments, and design trade studies.
  • Interface with customers, suppliers, and manufacturing partners to identify technical solutions, manage risk, and support program execution.
Required Qualifications
  • Bachelor's degree in Mechanical Engineering or a related engineering discipline.
  • Minimum of seven (7) years of mechanical engineering leadership experience.
  • Demonstrated experience leading complex technical efforts throughout the entire product lifecycle.
  • Experience transitioning projects from prototype development to production environments.
  • Experience with engineering change management and configuration control processes on complex development programs.
  • Demonstrated ability to create structure, prioritize effectively, and drive execution in ambiguous, rapidly evolving environments.
  • Highly organized and capable of managing multiple priorities, technologies, and stakeholders simultaneously.
  • Self-motivated mindset with a demonstrated ability to build capability and deliver results in environments where processes, infrastructure, and support systems are still maturing.
  • Proficiency with 3D CAD modeling tools, including PTC Creo and/or SolidWorks.
  • Knowledge of design techniques, engineering analyses, and the development of precision technical plans, drawings, and models.
  • Experience creating detailed drawings and applying Geometric Dimensioning and Tolerancing (ASME Y14.5).
  • bility to obtain and maintain a U.S. Department of Defense security clearance.
Preferred Qualifications
  • Twelve (12) + years of relevant engineering and technical leadership experience.
  • Experience supporting proposal development, technology roadmaps, and business growth initiatives.
  • ctive U.S. Department of Defense security clearance.

Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status ").
Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Senior Mechanical Engineer in Lorton, VA vacancy
  • Nightwing Intelligence Solutions, LLC in Virginia is seeking a Senior Mechanical Engineer to join a multidisciplinary team of mechanical, civil, and electrical engineers. You will drive design from concept through prototype development, testing, documentation, and production... 
    Senior

    Nightwing Intelligence Solutions, LLC

    Lorton, VA
    1 day ago
  • $125k - $145k

    Mechanical Engineer, Senior Location US-VA-McLean ID 2026-4512 Category Engineering Position Type Full-Time Remote No Clearance Required Secret Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our... 
    Senior
    Full time
    For contractors
    Remote work

    American Systems

    McLean, VA
    5 days ago
  • $99k - $206k

     ...customers in the intelligence community, defense, civil, and commercial markets. Job Summary: Nightwing is hiring a Senior Mechanical Engineer for our Springfield, VA location to support technology development and mission programs. As part of a collaborative team... 
    Senior
    Full time
    Temporary work

    Nightwing

    Springfield, VA
    5 days ago
  • $160k - $240k

     ...Requardt & Associates, LLP (WRA) is a leading multidisciplinary engineering and architectural firm committed to providing innovative and...  ...services. We are seeking a talented and experienced Senior Mechanical Engineer to join our team in our Fairfax, VA office. As a Senior... 
    Senior
    Full time
    Temporary work
    H1b
    Work at office
    Local area
    Flexible hours

    Whitman Requardt and Associates

    Fairfax, VA
    2 days ago
  • $89k - $165k

    Position Title: SeniorMechanical Engineer Requisition ID: 1783 Position Location: Sterling, VA Position Reports To: Manager, Mechanical Engineering Supervises Others: No At Trident Systems...  ..., self-motivated, and experienced Senior Mechanical Engineer with demonstrated success... 
    Senior
    Full time
    Temporary work
    For contractors
    Local area

    Trident Systems

    Fairfax, VA
    5 days ago
  • A leading defense contractor located in Alexandria, VA, is hiring multiple Mechanical Engineers. The roles involve designing and developing mechanical systems for various complex projects. Candidates must possess relevant experience in engineering, hold appropriate degrees... 
    Senior
    For contractors

    Huntington Ingalls Industries

    Alexandria, VA
    5 days ago
  • Wiley|Wilson, a 100% employee-owned architecture and engineering firm, is looking to add a seasoned Senior Mechanical Engineer with expertise in district utilities to our Alexandria, VA office. This role is ideal for a driven professional eager to help grow our established... 
    Senior
    Work at office
    Work from home

    Wiley & Wilson

    Alexandria, VA
    5 days ago
  • Cornerstone Concilium is seeking a Heavy Mechanical Engineer in Alexandria, Virginia to design and maintain central systems for heavy machinery. The ideal candidate will hold at least a Bachelor's degree in mechanical engineering, possess 6+ years of relevant experience... 
    Senior

    Cornerstone Concilium

    Alexandria, VA
    5 days ago
  • $95k - $122k

    Dewberry is seeking a Mechanical Engineer at their Fairfax, VA headquarters. In this role, you will design and produce mechanical construction documents for various projects, including commercial and federal works. Candidates should possess a BSME or Arch Engineering degree... 
    Senior
    Remote work
    Flexible hours

    Dewberry

    Fairfax, VA
    5 days ago
  • ASRC Federal is actively hiring a Senior Cybersecurity Tools Architect/Engineer in support of our Defense Counterintelligence Security Agency (DCSA) program based out of Quantico, VA.This is primarily a Telework position with a requirement to be onsite at least two (2)... 
    Senior
    Work experience placement
    Work at office
    Remote work
    Flexible hours
    2 days per week

    ASRC Federal Holding Company

    Quantico, VA
    4 days ago
  • DescriptionGPI seeks a Project Manager - Senior Mechanical HVAC Engineer for our Metro DC branch in Rockville, MD, or the Fairfax, VA office. In this role, you will have the opportunity to grow and direct a project team. Do you value a company that puts employee satisfaction... 
    Senior
    Contract work
    For subcontractor
    Work at office

    GPI

    Fairfax, VA
    4 days ago
  • $128k - $238k

     ...Job Description Job Description Position Title: Senior Mechanical Engineering Manager Requisition ID: 1860 Position Location: Fairfax, VA Position Reports To: Director, Hardware Engineering Supervises Others: Yes At Trident Systems Space Electronic... 
    Senior
    Full time
    Temporary work
    For contractors
    Local area

    Trident Systems LLC

    Fairfax, VA
    4 days ago
  • Position SummaryOdyssey Systems is seeking a Senior Spectrum/Signal Processing Engineer to support advanced situational awareness and multi-domain operations (MDO) programs. This role focuses on the design, analysis, and integration of RF and signal processing systems... 
    Senior
    Full time
    Contract work
    Live out

    Odyssey Systems Consulting Group

    Fort Belvoir, VA
    1 day ago
  • Lorton, VirginiaOnsiteDirect Hire$140k - $180kA public-sector consulting firm is seeking a Mechanical Engineer to join its team in a fully onsite role. The ideal candidate will have 5+ years of professional mechanical engineering experience, with a background in the design... 
    Full time

    Motion Recruitment

    Lorton, VA
    2 days ago
  • Delta System & Software, Inc. is seeking a Business Process Engineer for Fort Belvoir, VA, onsite five days a week. The role focuses on organizing studies of current and future business processes and developing methods to improve productivity, efficiency, and cost. The... 
    Senior

    Delta System & Software, Inc.

    Fort Belvoir, VA
    5 days ago
  • $70k - $150k

    A reputable HVAC company in Lorton, Virginia, is seeking experienced Residential HVAC Installers to join their team. This role offers an earning potential of $70,000 to $150,000+ annually without sales pressure. Responsibilities include installing HVAC systems, conducting...
    Senior

    F.H. Furr Plumbing, Heating, Air Conditioning, & Electrical

    Lorton, VA
    5 days ago
  • General Dynamics Information Technology is seeking a skilled VDI/EUC Systems Engineer to design, deploy, and manage enterprise VDI environments. You will optimize Windows golden images, automate image creation, and ensure secure, compliant desktop infrastructure. The role... 
    Senior

    General Dynamics Information Technology

    Newington, VA
    4 days ago
  • $70k - $90k

     ...are committed to supporting your success in both your professional and personal lives. Position Overview As a QinetiQ US Mechanical Engineer, you will support the design, testing and demonstration of prototype EO/IR sensors, weapon systems and soldier equipment at... 
    Work experience placement

    QinetiQ

    Fort Belvoir, VA
    4 days ago
  • Southern Home Services seeks a dynamic HVAC Lead Install Technician to oversee residential installations, upgrades, and replacements. You will lead a team of technicians, mentor helpers, and ensure high-quality, safe work while maintaining strong customer communication....
    Senior

    Southern Home Services

    Lorton, VA
    5 days ago
  • $70k - $150k

    A reputable HVAC company in Virginia is seeking experienced Residential HVAC Installers who value quality workmanship and desire a stable, long-term career without sales pressure. This role focuses on installations while offering strong earning potential, with income of...
    Senior
    Relocation package

    F.H. Furr Plumbing, Heating, Air Conditioning, & Electrical

    Woodbridge, VA
    5 days ago
  • Mechanical Engineer I Position Overview As a QinetiQ US Mechanical Engineer, you will support the design, testing and demonstration of prototype EO/IR sensors, weapon systems and soldier equipment at our Ft. Belvoir, VA location. The selected candidate will be responsible... 
    Work experience placement

    QinetiQ U.S.

    Fort Belvoir, VA
    5 days ago
  •  ...Description Transform technology into opportunity as a Network Engineer at GDIT. Shape what’s next for mission-critical government...  ...EVPN Serve as a trusted technical advisor to stakeholders and senior leadership Translate complex technical requirements into actionable... 
    Senior

    General Dynamics Information Technology

    Newington, VA
    5 days ago
  •  ...MITRE Corporation is seeking a Solution Lead Senior Principal in McLean, Virginia, to be responsible for leading and growing disruptive solution projects. This role requires a hands-on, entrepreneurial candidate with at least 12 years of experience and a proven track... 
    Senior

    MITRE

    McLean, VA
    1 day ago
  •  ...Senior Network EngineerLocation: Fort Belvoir, VA - OnsiteDuration: 12 MonthsFTE Intended Clearance: Active TS-SCI required + ability to obtain Client Entry On Duty SCI RequirementsBachelor's + 8 years or Master's + 6 years relevant experienceCCNP requiredStrong Cisco... 
    Senior

    ClearanceJobs

    Lorton, VA
    1 day ago
  • Lorton, VirginiaOnsiteDirect Hire$120k - $180kA public-sector consulting firm is seeking a Senior Software Engineer to join its team in a fully onsite role. The ideal candidate will have 5+ years of professional software engineering experience, with strong expertise in... 
    Senior
    Full time

    Motion Recruitment

    Lorton, VA
    2 days ago
  • Leidos seeks a Network Architect SME to design, deploy, and optimize enterprise application delivery and DDI infrastructure at Fort Belvoir, VA or Albuquerque, NM. You will lead F5 BIG-IP (LTM/GTM) and Infoblox deployments, ensure secure, high-availability networks, and...
    Senior

    Koitecc Solutions

    Fort Belvoir, VA
    1 day ago
  •  ...JCS Solutions LLC is seeking a seasoned Senior Network Architect to lead design and optimization of enterprise delivery and DDI infrastructure. Responsibilities include deploying F5 BIG-IP LTM/GTM and Infoblox DDI in a hybrid multi‑cloud environment to ensure high availability... 
    Senior

    JCS Solutions LLC

    Fort Belvoir, VA
    3 days ago
  •  ...defining success, and guiding cross-functional teams from diagnosis through sustained execution. You will serve as a trusted advisor to senior leaders while ensuring delivery excellence across multiple workstreams. The role demands autonomy, strong client relationships, and... 
    Senior

    Mcchrystalgroup

    Alexandria, VA
    5 days ago
  • Leidos is seeking a Network Architect SME to lead design, deployment, and optimization of enterprise application delivery and DDI infrastructure at Fort Belvoir, VA or Albuquerque, NM. The role requires hands-on expertise with F5 BIG-IP (LTM/GTM) and Infoblox, ensuring...
    Senior

    Leidos

    Fort Belvoir, VA
    2 days ago
  •  ...RTI's Fort Belvoir, VA-based Financial Execution, Planning, and Executive Portfolio Support Senior Analyst position requires an active SECRET clearance. You will develop POM/BES exhibits, justify RDT&E programs, and prepare budget materials for Congress and the President... 
    Senior

    People Technology & Processes LLC

    Fort Belvoir, VA
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Mechanical Engineer. Be the first to apply!