Senior Mechanical Engineer - Structural/Thermal Analysis and Design (Onsite)

RTX (Raytheon); Largo (FL); On-site; USD 100,000 - 160,000; Full time

Benefits offered by this job

Sign-on Bonus Eligible

Job summary

RTX in Largo, FL seeks a Senior Mechanical Engineer to perform structural analysis, design updates, and documentation for military equipment. You will provide analysis inputs to design groups, report findings, and support certifications for rugged environments.

The role requires a DoD security clearance (citizenship) and experience with ANSYS tools, Creo CAD, and Windchill. On-site work in Largo with a sign-on bonus eligibility.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM) with experience or an advanced degree with relevant experience.
• Must be able to obtain and maintain a DoD security clearance; U.S. citizenship required.
• Experience with thermal analysis using CFD tools (e.g., ANSYS Icepak).
• Experience with modal analysis, internal stress, fatigue, margins of safety, and FEA software.
• Knowledge of PLM/PDM (PTC Windchill) and 3D CAD (PTC Creo).

Responsibilities

• Communicate technical topics clearly to engineers and non‑technical teammates.
• Mentor peers, participate in peer reviews, and document knowledge.
• Identify risks and opportunities with IPTs and drive design robustness.
• Ensure designs meet environmental specs (MIL-STD‑810) and program requirements.
• Document analysis results for internal and customer use; support certifications.
• Lead investigations into complex tasks and identify root causes.
• Create military compliant designs using machined parts and COTS items as needed.
• Collaborate with designers to create and release part/assembly drawings.
• Support testing activities to verify product requirements.

Skills

Security clearance

Thermal analysis

Modal analysis

FEM analysis

Creo CAD

Windchill

Jira

MIL-STD-810

Environmental testing

Education

Bachelor's degree in STEM

Advanced degree (preferred)

Tools

ANSYS Icepak

ANSYS Mechanical

PTC Creo

Job description

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Location: US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type: DoD Clearance: Secret

Security Clearance Status: Active and existing security clearance required after day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world‑class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

The Strategic Defense Solution (SDS) team is seeking a highly motivated Senior Level Mechanical Engineer that enjoys contributing to the analysis, design updates, and documentation of military equipment. This individual will provide structural analysis to the design groups as well as design inputs, changes, and considerations as required. This position will require working with other mechanical engineers to properly analyze, document, and report analysis findings to customers in the form of deliverable items that support downstream military applications and certifications.

This is an onsite position located in Largo, FL.

Sign-on Bonus Eligible

What You Will Do:

• Communicate technical topics and issues in a clear and concise manner to both technical peers as well as non-technical team members.


• Conduct and provide constructive feedback during peer reviews. Mentor and document knowledge to provide technical guidance to both members of own team and beyond.


• Work proactively with an integrated product team (IPT) to identify risks and opportunities.


• Coordinate with and contribute to design teams on designs to ensure robust design choices and compliance with program requirements for environmental needs, such as shock, vibration, and crash loading per MIL-STD-810 loads.


• Document results from analyses both for internal and external customers such that data can be easily referenced in the future or support customer certification on military platforms.


• Participate in and lead investigations into highly complex, open-ended tasks. Search for and identify root cause of issues.


• Create military compliant designs that incorporate custom machined/sheet metal parts with a selection of commercial off the shelf items as required.


• Work with designers and drafters to create, modify, and release documentation such as part and assembly drawings.


• Contribute to testing activities to verify product requirements compliance and correlation to relevant analyses.

Qualifications You Must Have:

• The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.


• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.


• Experience with thermal issues using computational fluid dynamics software (ANSYS Icepak or comparable).


• Previous experience with modal analysis, internal stress loading, fatigue, and margins of safety calculations and documentation, as well as with finite element analysis software for structural considerations (ANSYS Mechanical or comparable).


• Prior knowledge of PLM/PDM software, PTC Windchill, and 3D CAD software (preferably PTC Creo).

Qualifications We Prefer:

• Active DoD security clearance or Top Secret Clearance.


• Practical skills in designing electronics packaging designs (enclosures and/or racks) with strict size, weight, and power (SWaP) criteria, as well as environmental (static and dynamic) mitigation.


• Previous experience with designing printed circuit boards (PCBs) and supporting non-mechanical duties like component layout and selection to guarantee mechanical environmental considerations are fulfilled.


• According to ASME Y14.5 standards, interpret Geometric Dimensioning and Tolerancing (GD&T).


• Previous experience with military standards such as MIL-STD-810 and MIL-STD-1472.


• Extensive knowledge of Jira-driven hardware development techniques and abilities designing and qualifying devices for extreme environments.

What We offer:

Some of our competitive benefits package in"