MECHANICAL SENIOR ENGINEER (PE REQUIRED)

Job Description Benefits:401(k)401(k) matchingCompetitive salaryDental insuranceHealth insuranceOpportunity for advancementPaid time offTraining & developmentVision insuranceWellness resourcesLocation: San Diego, California (On-site)Compensation: $130,000 $149,000 annuallyAbout the Role:This role is for a licensed Mechanical Professional Engineer who wants to lead complex HVAC projects, influence technical standards, and operate at a high level within a growing MEP firm.You will not be a production-only engineer. You will be trusted with design authority, QA/QC accountability, and client-facing leadership.Who This Role Is For:You take ownership of your work and project outcomesYou are confident making technical decisions and standing behind themYou have strong experience with U.S.-based commercial HVAC designYou want to grow into higher-level leadership within a structured firmWhat Youll Do:Lead HVAC system design for commercial, mixed-use, and institutional projectsOversee QA/QC across multiple projects to reduce errors and liabilityPerform and review heating/cooling load calculations and system sizingDesign and review ductwork, piping, and hydronic systemsSupport project managers with technical forecasting and risk planningParticipate in client meetings and represent the firm at a senior levelContribute to internal standards and technical trainingWhat Success Looks Like (First 90 Days):Fully integrated into active project teamsIndependently leading mechanical design scopesContributing to QA/QC improvementsDemonstrating reliability in deadlines and coordinationNon-Negotiable Requirements:Active Professional Engineer (PE) license (U.S.)8+ years of mechanical (HVAC) design experienceStrong experience with U.S. commercial projectsProficiency in Revit and mechanical design softwareStrong understanding of mechanical codes and California requirementsExperience performing HVAC load calculations and system designAbility to lead coordination and communicate with clientsCompensation & Benefits:At 120 Degreez, we invest in our teams long-term successprofessionally and personally.401(k) with up to 3% employer match70% employer-paid medical insurance + 100% dental and vision$1,500 annual professional development and certification allowancePaid Company Holidays + 2 weeks of Paid Time Off (PTO) + 1 week Paid Sick Leave100% employer-paid life insuranceClear career advancement pathway from Designer through PrincipalCollaborative, structured, and growth-focused work environmentWork Authorization:We are not able to provide visa sponsorship for this role. Candidates must be authorized to work in the United States without current or future sponsorship requirements.Who Should NOT Apply:Candidates with less than 4 years of relevant MEP experienceCandidates without U.S.-based project experienceCandidates not proficient in RevitIndividuals seeking heavily supervised or entry-level roles