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

Mechanical Engineer Jobs

$125k - $150k

ClearanceJobs

Mechanical Engineer

Markon is building a talent pool of Mechanical Engineers to support future Intelligence Community facility and infrastructure projects. This pipeline opportunity is intended to identify qualified candidates to provide mechanical engineering expertise throughout the planning, design, and execution of construction and infrastructure efforts. Selected candidates will be considered for future openings supporting safe, compliant, reliable, and mission-ready facilities aligned to customer priorities.

Responsibilities

  • Support facility and infrastructure projects by performing mechanical engineering analyses, evaluating design needs, and developing practical engineering recommendations.
  • Manage and coordinate mechanical engineering efforts from planning through completion, including reviewing drawings, specifications, calculations, and technical documentation for accuracy, constructability, and compliance.
  • Recommend design modifications and engineering solutions to address technical issues, site constraints, and evolving project requirements.
  • Ensure mechanical systems and designs align with applicable building codes, local ordinances, federal regulations, engineering standards, and customer requirements.
  • Provide technical expertise across HVAC, plumbing, building automation, energy management, and related facility mechanical systems.
  • Collaborate with customers, architects, engineers, contractors, and other stakeholders while preparing clear technical reports, assessments, recommendations, and presentations.
  • Support multiple concurrent projects and priorities in a fast-paced, mission-focused environment.

Qualifications

  • U.S. citizenship required
  • Ability to obtain and maintain a TS/SCI clearance with Polygraph
  • Bachelor's degree in Mechanical Engineering or a related engineering discipline
  • 5+ years of progressive mechanical engineering experience
  • Experience performing technical engineering analyses for facility, infrastructure, or construction projects
  • Demonstrated experience managing, coordinating, and executing mechanical engineering efforts from planning through completion
  • Experience evaluating mechanical designs and recommending modifications based on project requirements and site conditions
  • Strong knowledge of mechanical engineering principles, building codes, industry standards, local ordinances, and applicable federal regulations
  • Experience collaborating with customers and multidisciplinary project teams
  • Ability to manage multiple priorities and stakeholders in a fast-paced project environment
  • Strong analytical, problem-solving, written, and verbal communication skills

Desired

  • Professional Engineer (PE) license
  • Experience with ICD 705 construction standards and requirements
  • Proficiency with AutoCAD or comparable engineering design software
  • Experience with HVAC, plumbing, building automation, central utility plants, energy management, or related facility mechanical systems
  • Experience supporting federal government or Intelligence Community facilities and infrastructure
  • Familiarity with applicable mechanical and building standards, including ASHRAE and NFPA standards
  • Proficiency with Microsoft Office and developing professional technical presentations

Salary Range USD $125,000.00 - USD $150,000.00 /Yr. The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Overview Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions. At Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work. Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services. Markon values people and the tremendous impact each individual can make - which is why we're consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation's most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients' missions. Join us and make a meaningful impact. Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Mechanical Engineer Jobs in McLean, VA vacancy
  • $90k - $125k

     ...Our team is growing and we are seeking a Control Systems Engineer to join our federal team supporting the Pentagon in Arlington, VA....  ...efficiency and sustainability needs, primarily related to the HVAC Mechanical and HVAC Controls (Building Automation Systems). At Johnson... 
    Suggested
    Worldwide
    Monday to Friday

    Johnson Controls

    Arlington, VA
    2 days ago
  •  ...Job Title Location: Metro Washington DC | Hybrid, work remote and on-site at client location(s) About CEG Solutions CEG Solutions...  ...to prioritize your tasks. Practice and refine your project engineering skills daily. Special Site Considerations - Working in... 
    Suggested
    For contractors
    Work experience placement
    For subcontractor
    Work at office
    Local area
    Remote work
    Shift work
    Night shift

    CEG Solutions LLC

    Arlington, VA
    5 days ago
  • $143.91k

     ...to 09/11/2026Schedule: Full-timeWork type: Multiple Appointment TypesRelocation: FalsePosition ID: DLADS-26-13037244-MPDocument ID: 881146300Grade: GS 14Job category: Mechanical Engineering (0830)Hiring path: fed-internal-search, fed-transition, vet, mspouse, disability
    Suggested

    United States Government

    Arlington, VA
    1 day ago
  • $86.8k - $198k

    Mechanical EngineerThe Opportunity:Provide mechanical engineering review, coordination, and oversight for operations, maintenance, repair, and construction work and oversee and coordinate activities with trade shops, including prioritizing work, reviewing ongoing projects... 
    Suggested
    Full time
    Contract work
    Part time
    For contractors
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    12 hours ago
  •  ...?Watch Our Story:' We believe building engineering is more than systems and structures, it’...  ...and human experience. We bring together mechanical, electrical, structural, and civil engineering...  ...built environment. This isn’t just a job, it’s a chance to lead innovation,... 
    Suggested
    Contract work

    HDR

    Arlington, VA
    1 day ago
  • $103.8k - $218.1k

    Job Title: Mechanical EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee...  ...supporting National Security Initiatives as a Mechanical Engineer. Come grow your career at CACI, your potential is limitless... 
    Contract work
    For contractors
    Work experience placement
    Local area
    Flexible hours

    CACI International

    McLean, VA
    12 hours ago
  • $91.8k - $137.6k

     ...collaborative teams. As a Structural Analysis Engineer - Level 2 or 3 located in Dulles or...  ...telecommute work.The East Engineering Vehicle and Mechanical Engineering team is looking for a...  ...business.The application period for the job is estimated to be 20 days from the job posting... 
    Full time
    Remote work
    Relocation package
    Shift work

    Northrop Grumman

    McLean, VA
    1 day ago
  • $114k - $171k

     ...collaborative teams. As a Structural Analysis Engineer - Level 3 or 4 located in Dulles or...  ...telecommute work.The East Engineering Vehicle and Mechanical Engineering team is looking for a...  ...business.The application period for the job is estimated to be 20 days from the job posting... 
    Full time
    Remote work
    Relocation package
    Shift work

    Northrop Grumman

    McLean, VA
    1 day ago
  •  ...global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and...  ...purpose to deliver a better world. Join us.Job DescriptionAECOM is seeking a creative and highly talented Senior Mechanical Engineer for immediate employment in our... 
    Contract work
    For contractors
    Work at office
    Local area
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    AECOM

    Arlington, VA
    12 hours ago
  • $120k - $148k

    ARA is seeking a Senior Mechanical Engineer to support the design of equipment, tooling, and equipment interfaces for energetics chemical manufacturing...  ...: Relevant mechanical design experience with a Bachelors.Job SummaryRequisition Number: SENIO010029Job Category:... 
    Full time

    Applied Research Associates

    Arlington, VA
    12 hours ago
  • $125k - $150k

     ...Mechanical Engineer Markon is building a talent pool of Mechanical Engineers to support future Intelligence Community facility and infrastructure...  ...include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as... 
    Temporary work
    For contractors
    Work at office
    Local area
    Flexible hours

    Markon

    McLean, VA
    12 hours ago
  • $168k - $205k

    At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our... 
    Temporary work
    For contractors
    Work at office
    Local area
    3 days per week

    Mott MacDonald

    Arlington, VA
    1 day ago
  • $56.86k - $98.09k

     ...Mechanical Engineer As a Mechanical Engineer, you will apply conceptual engineering techniques, design various types of mechanical systems from the ground up. Responsible for envisioning, designing, and delivering innovative design solutions that meet customer needs... 
    Temporary work
    For contractors
    Local area

    Harris

    Arlington, VA
    4 days ago
  •  ...Summary See below for important information regarding this job. Learn more about this agency Duties Help As a Mechanical Engineer you will be responsible for the following duties: Lead and manage complex engineering, construction, and facility... 
    Full time
    Contract work
    Temporary work
    Part time
    For contractors
    Internship

    Defense Logistics Agency

    Arlington, VA
    4 days ago
  • Job Description Job Title: Mechanical Engineer - Digital Twin (Diesel Generators) Overview We are seeking a highly skilled Mechanical Engineer with deep expertise in diesel generators and digital twin modeling to support advanced engineering and simulation initiatives.... 
    Permanent employment
    Local area

    Kavaliro

    Arlington, VA
    2 days ago
  • $84k - $115k

     ...opportunities and professional growth. Discover your future with us. Our Falls Church, VA office has an immediate opening for a Mechanical Engineer. This is an exempt, non-supervisory, full-time position. Primary responsibilities: Develop system specifications /... 
    Full time
    Work experience placement
    Local area
    Immediate start
    Flexible hours

    Areté

    Falls Church, VA
    4 days ago
  •  ...Mechanical Engineer CMTA, a Legence company, is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise...  ...candidate's exact pay will be determined based on relevant job-related factors, including any of the following: candidate's... 
    For contractors
    Work at office
    Local area

    Black Bear Energy Inc.

    Arlington, VA
    12 hours ago
  •  ...CMTA ( is one of the fastest growing engineering firms in the U.S., with nationally recognized...  ...for students pursuing a degree in Mechanical Engineering, Electrical Engineering, and...  ...full time employment upon graduation. Job Description: This position provides a... 
    Hourly pay
    Full time
    Internship
    Work at office
    Local area
    Flexible hours

    CMTA Inc

    Arlington, VA
    4 days ago
  • Hardware/Mechanical Power Engineer - Federal Customer(on-site 5 days per week: TS/SCI Required) Job summaryThe Systems & Power Engineering professional supports Dell Mission Operations by designing, integrating, validating, and sustaining technical infrastructure required... 

    Dell Technologies

    McLean, VA
    8 hours ago
  •  ...Mechanical Engineer Intern/Co-op Fall 2026CMTA, a Legence company, is one of the fastest growing engineering firms in the U.S., with nationally...  ...consideration for full time employment upon graduation.Job Description: This position provides a unique opportunity for... 
    Hourly pay
    Full time
    Internship
    Work at office
    Flexible hours

    Black Bear Energy Inc.

    Arlington, VA
    2 days ago
  • $80k - $125k

    Job ID: 42860Location: Arlington, Virginia, United StatesCapabilities: MechanicalOffice Setup: HybridSalary: $80,000.00 - $125...  ...that transform the world for good.Your impactWe’re seeking a Mechanical Engineer to join our team in Arlington, VA. As part of our team, you’ll... 
    Civilian Contractor
    Full time
    Remote work
    Worldwide

    Jacobs

    Arlington, VA
    2 days ago
  •  ...Job Description Job Description About ISI Professional Services: ISI Professional Services provides mission-critical expertise...  .... Position Summary: ISI is looking for an experienced Mechanical Engineer with expertise in the design and construction industry to... 
    For contractors
    Work at office
    Monday to Friday

    ISI Professional Services

    Arlington, VA
    4 days ago
  •  ...Senior Mechanical Engineer CMTA, a Legence company CMTA is one of the fastest growing engineering firms in the U.S., with nationally recognized...  ...candidate's exact pay will be determined based on relevant job-related factors, including any of the following: candidate's... 
    For contractors
    Work at office
    Local area
    Immediate start
    Flexible hours

    Black Bear Energy Inc.

    Arlington, VA
    5 days ago
  • $132.9k - $182.7k

     ...Senior Mechanical (Plumbing) Engineer At Jacobs, we challenge what is currently accepted, so we can shape innovative and lasting solutions for...  ...determined by work location and additional factors, including job-related skills, experience, and relevant education or... 
    Full time
    Flexible hours

    Jacobs Solutions

    Arlington, VA
    4 days ago
  •  ...you're interested in a rewarding career working with?the?industry's best and most innovative engineers, then Jacobs is where you belong. We're looking for a Senior Mechanical (Plumbing) Engineer who is excited about working on advanced facilities projects that enable... 
    Flexible hours

    Jacobs

    Arlington, VA
    5 days 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... 
    Full time
    For contractors
    Remote work

    American Systems

    McLean, VA
    5 days ago
  •  ...reinvention, with a focus on realizing complex large scale manufacturing engineering initiatives. This includes transformation of large brownfield...  ...roles that may be hired as set forth below.We anticipate this job posting will be posted until 09/27/2026.Accenture offers a... 
    Full time
    Work experience placement
    Live in
    Work at office
    Local area

    Accenture

    Arlington, VA
    8 hours ago
  • $41.5 per hour

    Union Depot in Arlington, VA is seeking a Building Engineer to operate, monitor, and perform minor maintenance on boilers, chillers, HVAC equipment, pumps and related systems to achieve maximum performance and efficiency on a daily basis. The position offers an hourly... 
    Hourly pay

    Union Depot

    Arlington, VA
    2 days ago
  • $50 - $67 per hour

     ...Job Description Job Description Job Title: Mechanical Engineer Job Description The Mechanical Engineer will design, develop, and produce customized container solutions that serve as hubs and workshops for advanced products such as rocket components and small... 
    Contract work
    Temporary work
    Work at office
    Immediate start

    Actalent

    Greenway, VA
    4 days ago
  •  ...If you love high profile and challenging programs and Marine Engineering projects supporting the U.S. Navy and commercial customers - Serco...  ...not limited to, the scope of the role, relevant experience, job-related knowledge, education and training, key skills, and geographic... 
    Full time
    Contract work
    Part time
    Local area
    Flexible hours

    Serco

    Arlington, VA
    1 day ago

Do you want to receive more vacancies?

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