Mechanical Engineer Sr - E3

Reposted 4 Days Ago
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Englewood, CO, USA
In-Office
96K-178K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Designs and develops mechanical and electromechanical systems while supporting sustainment activities for U.S. Navy programs. Responsibilities include cost and schedule estimation, supplier performance monitoring, trade studies, technical reviews, proposal and contract management, risk mitigation, failure investigations, and cross-functional coordination with engineering, quality, legal, finance, compliance, and Navy stakeholders. The role also serves as a technical interface to program leadership and supports new business development and product improvement.
Summary Generated by Built In
Standard Job Description

Researches, plans, designs and develops mechanical products and systems such as instruments, controls, robots, engines, machines and mechanical, thermal hydraulic or heat transfer systems for production, transmission, measurement, and use of energy. Applies research to the planning, design, development, and testing of mechanical and/or electromechanical systems, instruments, controls, engines, and/or machines.


Key Responsibilities:

  • Create, track, and oversee the implementation of the Sustainment Group’s Basis of Estimates(BOEs) to the US Navy.
  • Monitor supplier performance through Supplier Performance Reviews.
  • Assist with the Integrated Master Schedule (IMS); track critical path, manage risks, and implement mitigation plans.
  • Perform trade studies, sizing, and present findings to leadership.
  • Facilitate reviews and ensure action items are closed.
  • Draft, issue, and manage Solicitations/Requests for Proposals (RFPs); evaluate proposals and negotiate award decisions.
  • Ensure contract terms comply Lockheed Martin policies; oversee contract modifications and close‑outs.
  • Coordinate with Legal, Finance, and Compliance to resolve contractual issues, claims, and audits.
  • Contribute to new business trade studies 
  • Enhance cross discipline product development
  •  Participate in mentorship opportunities and professional development
  • Be the technical interface to FBM management, systems engineering, quality, and our Navy counterparts
Basic Qualifications
  • Proficiency in Microsoft Office
  • Any combination of experience in: engineering project management, supplier management, annual budget proposals, technical evaluations, tracking and/or development of cost/schedule
  •  Exposure to or participation with failure investigations, root cause analysis, and/or corrective action disposition
  •  Ability to obtain a DoD Secret Clearance
Desired Skills

Missile and/or aerospace related education or experience 
- Experience with FBM processes and products 
- Experience with CAD and hardware modeling tools (e.g. Pro-E/CREO, Matlab) 
- Experience in gas/fluid dynamics or energetics/propellants 
- Experience in Geometric Dimensioning and Tolerancing (GD&T) 
-Experience as CPE delegate or project lead 
- Risk and opportunity experience with an understanding of continuous improvement concepts 
- Excellent written and verbal communication skills, demonstrated leadership and initiative

Proficient in AI prompting as it applies to this position and practice

Pay Information

Full-Time Salary Range: $95900.00 - $178100.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.  

Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

  • Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
  • For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.

Skills Required

  • Proficiency in Microsoft Office
  • Experience in engineering project management, supplier management, annual budget proposals, technical evaluations, or cost and schedule tracking or development
  • Exposure to or participation in failure investigations, root cause analysis, or corrective action disposition
  • Ability to obtain a DoD Secret Clearance
  • Missile or aerospace-related education or experience
  • Experience with FBM processes and products
  • Experience with CAD and hardware modeling tools such as Pro-E/Creo or MATLAB
  • Experience in gas or fluid dynamics or energetics and propellants
  • Experience with Geometric Dimensioning and Tolerancing (GD&T)
  • Experience as a CPE delegate or project lead
  • Risk and opportunity management experience with understanding of continuous improvement concepts
  • Excellent written and verbal communication skills, leadership, and initiative
  • Proficiency in AI prompting as applied to the position

Lockheed Martin Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.

  • Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
  • Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.

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The Company
HQ: Bethesda, MD
108,588 Employees
Year Founded: 1912

What We Do

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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