TMMG, LLC · 13 hours ago
(C) Senior Propulsion Alignment Engineer (Shafting & Reduction Gears)
San Diego, CA
Full-time
Onsite
Senior Level, Lead/Staff
15+ years expTMMG, LLC is seeking a Senior Propulsion Alignment Engineer to serve as the shipyard’s technical authority for propulsion shafting and reduction gear alignment across various programs. This hands-on role is responsible for ensuring mechanical integrity and preventing propulsion failures during trials and service.
Asset ManagementIndustrial EngineeringProject Management
No H1B
U.S. Citizen Only
Responsibilities
Act as the final technical authority for propulsion shaft alignment, including:
Cold and hot alignment
Bearing offsets, slopes, and reaction loads
Sag & gap and laser alignment measurements
Jacking load evaluation
Review, approve, or reject alignment results prior to final coupling and bolt-up
Ensure alignment conditions meet OEM, NAVSEA, and classification society requirements
Lead technical integration of propulsion reduction gears with shafting systems
Review and validate OEM installation and alignment procedures
Verify gear foundation flatness and chocking
Gear seating and mounting tolerances
Gear-to-shaft interface geometry
Serve as the technical interface with gear OEMs, class, and government stakeholders
Translate design assumptions into executable shipyard practices
Identify And Resolve Conflicts Related To hull deflection and distortion
Foundation tolerances
Bearing placement and geometry
Shaft straightness and fit-up
Provide real-time deckplate support during installation and alignment activities
Perform or review shaft alignment models and calculations
Evaluate thermal growth, hull girder effects, and bearing load distributions
Validate alignment assumptions against actual ship conditions
Identify design or installation risks early to avoid rework and schedule impacts
Support propulsion system testing during dock and sea trials
Monitor bearing temperatures, vibration trends, and propulsion behavior
Diagnose abnormal conditions and recommend corrective actions
Support root-cause analysis for propulsion discrepancies and failures
Prevent propulsion-related failures, rework, and trial delays
Protect the shipyard from warranty exposure and post-delivery claims
Maintain technical documentation supporting alignment decisions and approvals
Serve as a single point of accountability for propulsion alignment integrity
Qualification
Required
Bachelor's degree in Mechanical Engineering or equivalent experience
15+ years of hands-on shipyard or marine propulsion experience
Demonstrated Expertise In propulsion shaft alignment and bearing load analysis
Reduction gear installation and integration
Large rotating marine machinery
Strong knowledge of NAVSEA, ABS, and OEM propulsion requirements
Proven ability to work onsite in active shipyard environments
Willingness and authority to stop work when propulsion risk is identified
Preferred
Navy, MSC, or large commercial vessel programs
New construction and major repair shipyard environments
Experience serving as the primary or sole propulsion alignment authority
Familiarity with laser alignment systems and traditional alignment methods
Company
TMMG, LLC
TMMG is a systems engineering and logistics company, serving the public and private sectors.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
unknownKey Investors
Artinia Group
2025-12-15Private Equity
Leadership Team
Shane Dowling
Chief Executive Officer; Owner
Richard Cunningham
COO
Recent News
Washington Technology
2025-12-18
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