{"id":3499447,"url":"https://alion.io/job/pae-engineers-senior-mechanical-engineer-2","title":"Senior Mechanical Engineer","company":{"id":2151648,"name":"PAE Engineers","domain":"pae-engineers.com","url":"https://alion.io/company/pae-engineers","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Paycom","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":127300,"max":159100,"currency":"USD","period":"year","gross":null,"usd_annual":159100},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AutoCAD","optional":false},{"name":"Microsoft Office","optional":false}],"status":"live","first_seen_at":"2026-10-30T03:05:52Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-10-31T23:20:15Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"The Opportunity\nPAE is looking for a highly capable Senior Mechanical Engineer in San Francisco, CA office to lead and manage multidisciplinary project teams through all phases of design and construction. This role is responsible for delivering high-quality mechanical engineering solutions on schedule and within budget while serving as a technical leader and mentor within the organization. The Senior Mechanical Engineer will oversee the development of detailed engineering deliverables including calculations, narratives, drawings, and specifications, while ensuring alignment across internal disciplines, external partners, and client stakeholders. This position requires expertise in HVAC, Plumbing, Fire Protection, and Energy Modeling, as well as a deep understanding of building codes, industry standards, and quality management principles. In this role, you will develop project workplans, assemble and guide project teams, conduct site visits, lead coordination efforts, support client relationships, and provide technical direction and mentorship to staff. You may also take on responsibilities as Project Manager or Engineer of Record (EOR) with approval. The ideal candidate is collaborative, detail-oriented, and skilled in project leadership, communication, and delegation. This is an excellent opportunity for an experienced mechanical engineer who thrives in a fast-paced environment and is committed to delivering innovative, efficient, and high-performing building systems.\nWho We Are\nPAE is an engineering and design firm that turns complex challenges into reality. By leveraging the latest technologies, we solve problems in unique ways, and our designs enable buildings and communities to be more resilient and efficient. PAE is trusted by our clients in every aspect of a project's lifespan, from idea to occupancy. We set ambitious goals backed by analysis to significantly conserve water and energy while balancing costs and long-term operational needs. As a B Corp, we measure success by the benefits our projects provide to our clients, our communities, and our planet. We embrace innovation, transparency, sustainability, and lifelong curiosity.\nWhat You'll Do\nProject team leadership and management, responsible for completing the project on time within budget\nResponsible for the preparation of deliverable documents including narratives, calculations, drawings and specifications\nAttend client meetings, lead the coordination effort between external and internal project teams\nIndependently evaluate and apply engineering judgment, techniques, and procedures to complete a project from concepts through construction\nProficient in mechanical system design, HVAC, Plumbing, Fire Protection and Energy Modeling\nAssemble effective project teams\nDevelop project workplans, tasks and assignments for the team\nThorough understanding of interdisciplinary coordination\nAdvanced understanding of the application of building codes and mechanical industry standards\nOversee engineering calculations and equipment selection\nPerform site visits and issues reports\nProvide training, guidance and mentorship for staff\nProvide updates to master specifications and standards, and improve company processes\nDevelop client relationships\nOversee the application of the project quality management plan (QMP)\nMay be responsible as a Project Manager or the Engineer of Record (EOR) with approval\nPerform other duties as assigned\nWhat You Bring\nBachelor’s Degree in Engineering for discipline work\nRelevant professional credential (i.e., PE)\nRequires a minimum of 1-3 years Mechanical 4, or 6-10 years’ related work experience\nInspire and motivate staff\nServe as a technical resource for the company\nAdvanced understanding of mechanical engineering concepts, able to effectively communicate design options\nAble to assemble and run a team\nStrong delegation skills\nAttention to detail and advanced organizational skills\nMicrosoft Office Suite\nRevit/AutoCAD\nWhat We Offer\nHiring Base Salary Range:$127,300-$159,100 annualThis position is eligible for time and a half overtime pay\n\nThe base salary is one component of PAE’s competitive compensation package for employees. We take into consideration a variety of factors including but not limited to skills, abilities, experience, education, credentials, internal equity and geographic location in determining exact salary offered. At PAE, employees are eligible for annual compensation reviews based on performance and business needs. The above range represents PAE's good faith and reasonable estimate of the range of possible compensation at the time of posting.\nIn addition, PAE offers a comprehensive benefits package which includes the following:\nEmployer paid health insurance (medical, dental, vision) \nAnnual 401k profit sharing based on company profit for the year and account contribution \nProfessional development reimbursements including state registration and professional association dues \nEmployer paid commuter/parking stipend\nCell phone stipend \nLife insurance and disability benefits \nHybrid work schedule \nEmployee Assistance Program \n9 paid holidays including an additional employee-selected day\nPaid time off for sick leave, family leave, community service, holidays and vacation\nTo learn more about our comprehensive benefits package, visit https://www.pae-engineers.com/careers/benefits. This information is provided per the Equal Pay Act\nOur commitment to pay equity\nPAE is a JUST label certified company; we demonstrate JUST label requirements within pay equity. Pay scales should meet or exceed applicable legislated wage requirements and industry standards and compensate, on the same basis, all individuals performing the same or similar work and work of equal value. We are committed to the principle of pay equity - paying employees equitably for substantially similar work. To learn more about pay equity and our commitments to equitable business practices, you may view our JUST label certification here: Living Future: Just Label Certification.\nTo find out more visit our website.\nWhat We’re Made Of\nFounded in 1967, PAE is a leading sustainable engineering and consulting firm on a mission to deliver clean air, energy, and water for all. We specialize in mechanical, electrical, and plumbing engineering, building performance analysis, technology design, and lighting design (LUMA). PAE designs some of the nation's highest-performing and most regenerative built environments across the U.S., from Living Buildings to all-electric buildings and beyond. Learn more at pae-engineers.com.\nOur portfolio includes over 100 LEED Platinum projects as well as dozens of projects that have either achieved or are pursuing the Living Building Challenge, Passive House, Architecture 2030, Carbon Neutral, Net Zero Energy, and Net Zero Water.\nFine Print\nPlease note that resumes received from third party recruiters or agencies will not be accepted unless requested directly by PAE Talent Acquisition and with a prior signed fee agreement. If candidates without a previously signed recruiter fee agreement are submitted, PAE reserves the right to engage with and hire those candidate(s) without any obligation financial or otherwise to the recruiter or agency.\nIn order to provide equal employment and advancement opportunities to all individuals, employment decisions at PAE will be based on merit, qualifications and abilities. PAE does not discriminate in employment opportunities or practices on the basis of race, color, religion, gender (sex), national origin, age, veteran status, sexual orientation, gender identity, physical characteristics historically associated with race, disability, genetic information or any other characteristic protected by applicable law.\nPAE will make reasonable accommodations for qualified individuals with known disabilities unless doing so would result in an undue hardship. 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