Senior Mechanical Engineer
WSP USA Services
Arlington, VA · Posted November 10, 2026
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Where Arlington, VA ranks
Where Arlington, VA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for education pay after cost of living$124k · of 8
- #2Best all-round cities for AI careers in the Southeast89 / 100 · of 33
- #3Best cities for government pay after cost of living$140k · of 18
- #3Best cities for software and engineering jobs in the Mid-Atlantic456 openings · of 68
- #4Best cities for aerospace and defense pay after cost of living$152k · of 19
- #4Best cities for AI-skill jobs in the Southeast14% · of 87
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing does not state pay. Across 102 open senior mechanical engineer listings that state pay, the middle half runs $154,500 to $172,500 and the median is $170,000.
Listed pay is what employers advertise, not what people are paid.
Senior Mechanical Engineer salaries by state · Check your own pay
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
This Opportunity
WSP is currently initiating a search for a Senior Mechanical Engineer to work out of Denver, CO or Arlington, VA .
Join the WSP USA Solutions Inc. team and contribute to a growing organization dedicated to delivering innovative solutions that help clients achieve their objectives and overcome complex challenges.
Your Impact
Performance of mechanical engineering design and production support from project inception through construction.
Leverage analytical and design skills and ability to solve complex technical problems in professional discipline.
Utilize advanced analytical techniques and computer software tools and applications (i.e. REVIT, AutoCAD, Trace 3D Plus) in solving technical/mechanical engineering problems.
Exhibit learned practices to produce high quality technical and professional deliverables on Federal Government/military projects specifically as it relates to Energy Management Control Systems (EMCS), Building Management Controls Systems (BMCS), and Direct Digital Control Systems (DDC).
Incorporate advanced technology, modeling techniques, concept development, design requirements, load calculations, and operating strategies to account for the proper installation and functioning of equipment and systems according to specifications (SpecsIntact, UFGS); implementing future-ready solutions with mechanical engineering design standards (Unified Facilities Criteria (UFC).
Verify site characteristics and provide technical assistance on various engineering, design, and construction issues relating to automatic temperature control systems and specifications, air distribution (supply, return, exhaust), hydronic systems (chilled water, heating water, etc.) and plumbing systems (domestic water, waste, vent, storm, etc.).
Provide oversight with collecting, compiling, and analyzing data from the physical work site, surveys, blueprints, schematics, data, technical drawings, computer-generated reports, and other matrices for project development, design, and construction.
Apply high-level mechanical engineering techniques and processes to identify improvements involving more complex building and infrastructure engineering work including concept development, preliminary design, final design, procurement, construction, and operation.
Perform professional mechanical engineering work and conduct more complex/comprehensive investigations and inspections of proposed and existing site conditions, equipment, resources, facilities, building, infrastructure, usage, and mechanical systems to determine conformance with applicable rules, standards, and construction or operating permits.
Develop construction and installation plans, specifications, and cost estimates; preparing construction safety and phasing plans; and updating infrastructure layout plans that require coordination with owners, other disciplines, sub-consultants, and clients.
Involved from project inception to completion in the management of mechanical design and construction of building and infrastructure projects, including rehabilitation and reconstruction, new builds, operating specifications, building materials, phasing, and construction safety plans.
Oversees the development and implementation of advanced technologies, monitoring devices, building materials, modeling techniques, design requirements, load calculations, and operating strategies to account for the proper installation and functioning of equipment and systems; implementing future-ready solutions with mechanical engineering design standards.
Provide high-level technical assistance on various engineering, design, and construction issues relating to automatic temperature control systems and specifications, air distribution (supply, return, exhaust), hydronic systems (chilled water, heating water, etc.) and plumbing systems (domestic water, waste, vent, storm, etc.).
Lead larger-scale mechanical engineering projects ensuring contributors know what they are required to do and by when, preparing and overseeing relevant project budgets, monitoring external events, tracking hours and expenses, ensuring satisfactory performance, and supervising subcontractors, contract work, and employees.
Assist with engineering review of permit applications, mechanical engineering design plans and specifications, standby plans and engineering contracts, integrated waste management plans, and periodic construction inspections, to ensure that they comply with applicable state and/or federal regulations and sound engineering practice and standards.
Meet with various public or private entities or individuals to discuss issues relating to a variety of engineering/construction challenges and programs.
Ensure technical reports and presentations explain research, findings, and recommendations to prevent, control, restore, or address engineering, design, and/or construction issues or opportunities.
Develop a client base for providing high level mechanical engineering services including identifying additional business development opportunities.
Mentor staff to support their growth and professional development.
Remain current in latest mechanical engineering techniques and practices.
Collaborate with professionals from a variety of disciplines, other engineers, planners, building, and infrastructure authorities on Federal, State, regional, and locally funded improvement and development projects, as well as proposal and business development opportunities.
Exercise responsible and ethical decision-making regarding company funds, resources and conduct, and adhere to WSP’s Code of Conduct and related policies and procedures.
Perform additional responsibilities as required by business needs.
Who You Are
Required Qualifications
Bachelor’s Degree in Mechanical Engineering, or closely related discipline.
7+ years of relevant post education experience working on Mechanical Engineering/HVAC projects, preferably for Federal clients (i.e. DoD, NAVFAC, USACE).
Engineer license required (multi-state preferred).
5+ years’ experience with Revit.
5+ years’ experience with controls systems.
5+ years' experience in plumbing design.
Due to client requirements, US citizenship is required.
Ability to obtain and maintain a US government Secret/Top Secret clearance.
3+ years’ experience with Department of Defense and Federal Government projects.
Familiarity with Unified Facilities Criteria (UFC) system.
Experience with multiple project delivery methods.
Highly proficient with mechanical engineering principles, practices, process, design/build, and the application to permitting and project work-related issues.
Highly proficient with building and infrastructure design.
Experience with building and infrastructure planning, design, and program/construction management; including project involvement in a variety of rehabilitation and reconstruction, new design, and construction projects.
Strong knowledge of relevant mechanical engineering and construction laws, codes, regulations, compliance practices, and record-keeping requirements.
Highly proficient with making technical computations and calculations involving the application of engineering principles, understanding plans and specifications, and making factual comparisons to the appropriate regulations.
Experience with planning and conducting inspections and investigations on various aspects of the construction and design of facilities, structures and systems, applying applicable regulations and policies.
Highly effective interpersonal and communication skills when interacting with others, expressing intricate ideas effectively and professionally to an engineering and non-engineering audience.
Strong self-leadership and interpersonal communication skills with the ability to effectively, persuasively, and tactfully interact with clients, regulators, project managers, and employees at all levels of the organization.
Works independently to provide guidance and leadership to mid-level to senior level team or project members, with strict adherence to QA/QC.
Proficiency with technical writing, office automation, load calculations, discipline-specific design software, technology, math principles, predictive models, spreadsheets, and tools.
Experienced with providing critical review for documents and preparing technical deliverables and plans with a high degree of complexity.
Well-developed critical thinking and problem-solving skills required to apply technical knowledge to reach conclusions from testing results, data collation, load calculations, computations, statistical analysis and arriving at the most effective, economical, and logical solution.
Demonstrated effectiveness at coordinating and assertively directing subcontractors and others to consistently complete tasks safely and efficiently.
Proven track record of upholding workplace safety and ability to abide by WSP’s health, safety and drug/alcohol and harassment policies.
Must be flexible to a variety of schedules to meet business needs and able to prioritize responsibilities and quickly adapt to change in a pressure work environment.
Occasional travel may be required depending on project-specific requirements.
Preferred Qualifications
Active US Government-issued Secret clearance.
Project management experience with small to mid-level projects including tracking hours and expenses for project work.
WSP Benefits:
WSP provides a comprehensive suite of benefits focused on providing health and financial stability throughout the employee’s career. These benefits include coverage related to medical, dental, vision, disability, and life; retirement savings; paid sick leave; paid vacation (or other personal time); paid parental leave; and paid time off for purposes of bereavement, voting, and/or attendance at naturalization proceedings.
Compensation:
Expected Salary (all locations): $115,200 - $153, 750
WSP USA is providing the compensation range that the company in good faith believes it might pay and offer for this position, based on the successful applicant’s education, experience, knowledge, skills, abilities in addition to internal equity and specific geographic location. WSP USA reserves the right to ultimately pay more or less than the posted range and offer additional benefits and other compensation, depending on circumstances not related to an applicant’s sex or other status protected by local, state, and/or federal law.
Expected Salary (Colorado only): $115,200 - $153,700
WSP USA is providing the compensation range that the company in good faith believes it might pay and/or offer for this position within the state of Colorado, based on the successful applicant’s education, experience, knowledge, skills, and abilities in addition to internal equity and specific geographic location. WSP USA reserves the right to ultimately pay more or less than the posted range and offer additional benefits and other compensation, depending on circumstances not related to an applicant’s sex or other status protected by local, state, and/or federal law.
About WSP
WSP USA is the U.S. operating company of WSP, one of the world's leading engineering and professional services firms. Dedicated to serving local communities, we are engineers, planners, technical experts, strategic advisors and construction management professionals. WSP USA designs lasting solutions in the buildings, transportation, energy, water and environment markets. With more than 15,000 employees in over 300 offices across the U.S., we partner with our clients to help communities prosper.
www.wsp.com
WSP provides a flexible and agile workplace model while meeting client needs. Employees are also afforded a comprehensive suite of benefits including medical, dental, vision, disability, life, and retirement savings focused on providing health and financial stability throughout the employee’s career.
At WSP, we want to give our employees the challenges they seek to grow their careers and knowledge base. Your daily contributions to your team will be essential in meeting client objectives, goals and challenges. Are you ready to get started?
WSP USA (and all of its U.S. companies) is an Equal Opportunity Employer Race/Age/Color/Religion/Sex/Sexual Orientation/Gender Identity/National Origin/Disability or Protected Veteran Status.
The selected candidate must be authorized to work in the United States.
NOTICE TO THIRD PARTY AGENCIES:
WSP does not accept unsolicited resumes from recruiters, employment agencies, or other staffing services. Unsolicited resumes include any resume or hiring document sent to WSP in the absence of a signed Service Agreement where WSP has expressly requested recruitment/staffing services specific to the position at hand. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of WSP and WSP will have the right to hire that candidate without reservation – no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.