Senior Mechanical Engineer - Space & Defense (Secret)

Jobleads-US

I2X Technologies seeks a Mechanical Engineer to support a customer in Littleton, CO. The on-site role requires a Secret clearance and extensive mechanical engineering experience in aerospace/defense, with CREO/EPDM and Windchill proficiency. U.S. citizenship is required.

Responsibilities include drafting support, generating drawings, and maintaining models to customer standards. The position emphasizes security, compliance, and active contribution to critical national programs.

#J-18808-Ljbffr Jobleads-US

Apply

Vacancy posted 2 days ago

Similar jobs that could be interesting for youBased on the Senior Mechanical Engineer - Space & Defense (Secret) in Littleton, CO vacancy

Senior Mechanical Engineer, Thermal Protection Systems
$130k - $180k
...About Canopy Aerospace & Defense Canopy A&D is built... ...materials for space, defense, and maritime... ...aero loads into robust mechanical designs. Develop detailed... ...pragmatic, creative engineering solutions. ~ Strong... ...Clearance Eligibility: Active Secret clearance (or higher),...
Senior
Permanent employment
Full time
Work at office
Shift work
Canopy A&D
Littleton, CO
10 days ago
Sr Mechanical Engineer
$124.77k - $171.56k
...production environment. As a Senior Mechanical Engineer, you will be responsible... ...Background in the Aerospace and Defense Industry. ~ Ability to... ...and maintain United States Secret security clearance.... ...components utilized in aircraft and space applications. Experience...
Senior
For contractors
Work experience placement
Work at office
Immediate start
Sierra Nevada Corporation
Englewood, CO
12 hours ago
Sr Mechanical Engineer
$95.9k - $178.1k
Standard Job Description Space is a critical domain,... ...of the US Golden Dome Engineering Team. Golden Dome stands as a layered defense shield, safeguarding the... ..., designs and develops mechanical products and systems such... ...and maintain a DoD Secret security clearance. Desired...
Senior
Full time
Temporary work
Work experience placement
Flexible hours
Lockheed Martin
Littleton, CO
4 days ago
Mechanical Engineer III
$108.5k - $149.18k
...production environment. As a Mechanical Engineer III, you will lead the... ...mechanical systems for aerospace and defense applications. This role... ...components utilized in aircraft and space applications. Experience... ...to obtain and maintain a Secret U.S. Security Clearance. U.S...
Suggested
For contractors
Work experience placement
Work at office
Immediate start
Sierra Nevada Corporation
Englewood, CO
5 days ago
Mechanical Engineer I
$71.34k - $98.09k
...production environment. As a Mechanical Engineer I, you will support the... ...systems in the aerospace and defense sectors. You will collaborate... ...and maintain United States secret security clearance. Qualifications... ...utilized in aircraft and space applications. Essential Functions...
Suggested
For contractors
Work experience placement
Internship
Work at office
Immediate start
Sierra Nevada Corporation
Englewood, CO
1 day ago
Senior Mechanical Analysis Engineer
$120k - $160k
...solutions serving the Defense, Aerospace, Cryogenics... ...Saturn’s moon Titan to engineering critical components... ...Position Summary: The Senior Engineer is a... ...Bachelor’s Degree in Mechanical Engineering, or equivalent... ...Government commercial space technology export regulations...
Senior
Permanent employment
Barber-Nichols, Inc.
Arvada, CO
13 days ago
Mechanical Engineer Sr
$50 per hour
...humanity. While others view space as a destination, we see it as... ...this role, you will work as an engineer focused on satellite Bus... ...include:- Independently develop mechanical design solutions of varying complexity... ...and posses active Top Secret clearance prior to start....
Senior
Full time
Temporary work
Work experience placement
Casual work
Flexible hours
Lockheed Martin
Littleton, CO
12 hours ago
Senior Structural Engineer
...Senior Structural Engineer DPP is seeking a Senior Structural Engineer... ...in the Aerospace and Defense industry. Work... ...to obtain/maintain a Secret security clearance... ...aircraft to orbital and space exploration systems.... ...of Science degree in Mechanical Engineering, Aerospace...
Senior
Contract work
DP Professionals
Englewood, CO
1 day ago
Senior Aerospace Engineer
$124.77k - $171.56k
...explore and inspire. As a Senior Aerospace Engineer, you will serve as a... ...in the Aerospace and Defense Industry.... ...fundamentals of flight mechanics. Strong problem-solving... ...obtain and maintain a Secret U.S. Security Clearance... ...– sea, land, air, space and cyber. As a longstanding...
Senior
For contractors
Work experience placement
Work at office
Immediate start
Sierra Nevada Corporation
Englewood, CO
12 hours ago
Data Center Mechanical Engineer
...projects and services with supporting engineering calculations to include rough sizing of mechanical systems, piping, ductwork, and... ..., AutoCAD) - Ability to obtain Secret Security Clearance is required... ...Community and the Department of Defense. As a Service-Disabled, Veteran...
Contract work
Temporary work
Local area
vetegrity
Englewood, CO
more than 2 months ago
Senior Mission Architect — Space Systems Lead
...Redwire in Littleton, CO seeks a Senior Principal Mission Architect to lead architecture development for space missions and wins. You translate customer objectives into... ...avionics, and ground segments. You will mentor engineers, refine requirements, and support capture...
Senior
Jobleads-US
Littleton, CO
3 days ago
Senior Mechanical Engineer
...healthcare providers worldwide. Description Are you an engineer who thrives on solving complex problems in the medical device... ...intellectual curiosity? We have an exciting opportunity for a Sr. Mechanical Engineer who is looking to exercise their problem solving and...
Senior
Worldwide
Flexible hours
Diversatek Healthcare
Littleton, CO
12 hours ago
Senior Mechanical Engineer
$109k - $170.2k
...project, embracing the most extraordinary challenges to deliver creative solutions and proven results. Overview Our senior mechanical engineer requires thorough knowledge of HVAC design processes, from planning jobs, supervising heating/cooling load and...
Senior
ViziRecruiter
Greenwood Village, CO
12 hours ago
Senior Mechanical Engineer
$115k - $180k
...About Us Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact... ...our commitments to life every day. Job Summary The Senior Mechanical Engineer serves to work in a fast-paced multi-discipline team...
Senior
For contractors
Local area
Ultipro
Greenwood Village, CO
2 days ago
Senior Mechanical Engineer
$113k - $136k
...Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S.... ...individuals to join our team. We are looking to add a Senior Mechanical Engineer to our Internal Missions team. If you enjoy working in a startup...
Senior
Permanent employment
Full time
Contract work
Work experience placement
Local area
CesiumAstro
Denver, CO
1 day ago
Senior Staff Mechanical Engineer
...Senior Staff Mechanical Systems Engineer – Lunar Vehicle Programs We are supporting a leading space robotics company developing next-generation lunar mobility and planetary systems designed to support humanity’s long-term presence beyond Earth. As part of continued...
Senior
EVONA
Denver, CO
1 day ago
Senior Mechanical Design Engineer
$130k - $150k
...Senior Mechanical Design Engineer - 2026Q2 Littleton, United States Astro Digital designs, builds, and operates a diverse range of small satellite systems supporting space-based turnkey missions for several business applications, including Earth observation, communications...
Senior
Permanent employment
Full time
Astro Digital
Centennial, CO
12 hours ago
Senior Space Compute Architect & Orchestrator
...Blue Origin LLC seeks a Principal Software Engineer for Compute to architect and lead the software stack powering space-based data centers. You will define the spacecraft compute software and build the orchestration layer for distributed, containerized workloads across...
Senior
Jobleads-US
Littleton, CO
3 days ago
Senior Mechanical Design Engineer
$100k - $175k
...great quality of life inside and outside of work. Job Title Senior Mechanical Design Engineer Reporting To Head, Engrg. Sect. Work Schedule Hybrid – Arvada, CO Overview Our Moog Space Vehicles Group is looking for a Sr Mechanical Design Engineer to...
Senior
Relocation package
Monday to Friday
Flexible hours
Moog
Arvada, CO
3 days ago
Senior Mechanical Engineer
$146.4k - $219.6k
...for our clients industry-wide problems, design and construct spaces that become landmarks, and toast the good life at our happy... ...December 31st, 2026 at 12:59 AM Position Summary: A Senior Mechanical Engineer in our Mission Critical practice will have the opportunity...
Senior
For contractors
Casual work
Work at office
Remote work
Flexible hours
Henderson Engineers
Denver, CO
3 days ago
Senior Mechanical Engineer
$95.84k - $147.87k
...will provide development support, conceptual design and owner’s engineer services to clients including performing technical evaluations... ...support, and conceptual design. Particular experience in mechanical design of conventional power projects is desired. You will...
Senior
Hourly pay
Contract work
Work at office
Local area
Flexible hours
3 days per week
Sargent Lundy
Englewood, CO
1 day ago
Senior Mechanical Project Engineer
$130k - $145k
...building envelope, data center optimization, and EV charging; lighting/LED retrofits, HVAC/mechanical systems, and BMS/BAS improvements and implementation. The Senior Project Engineer helps clients identify, design, and implement utility and infrastructure improvements....
Senior
Temporary work
Work at office
Local area
Remote work
Flexible hours
Night shift
MANTIS INNOVATION
Greenwood Village, CO
12 hours ago
Mechanical Engineer Stf - E4
$50 per hour
...security and our humanity. While others view space as a destination, we see it as a realm... ...future.Being a valued member of the Mechanisms Engineering organization, your responsibilities may... ...the ability to obtain or maintain a Secret security clearanceDesired SkillsPrior experience...
Full time
Temporary work
Work experience placement
Casual work
Flexible hours
Lockheed Martin
Littleton, CO
1 day ago
Senior Mechanical Engineer - Thermo/Fluid Systems
$113.67k - $153.8k
...Structural Integrity Associates (SIA) is seeking a Senior Mechanical Engineer with expertise in thermo‑fluid systems to join our Energy Services... ...environments, which may include exposure to heat, noise, and confined space. Ability to comply with annual respirator fit testing...
Senior
Casual work
Structural Integrity Associates
Denver, CO
3 days ago
Senior Systems Test Engineer I
$100k - $130k
...Rocket Lab is the end-to-end space company building rockets,... ...manufacturing to national security and defense initiatives. The team has... ...space missions. SENIOR SYSTEM TEST ENGINEER I Based out of Rocket... ...LVDS, CAN, etc.) Active Secret or Top Secret Security clearance...
Senior
Permanent employment
Work at office
Local area
Rocket Lab Corporation
Littleton, CO
12 days ago
Senior Staff Mechanical Engineer
$158k - $189k
...conform with the United States Government Space Technology Export Regulations, the... ...-scale ground terminals for missile defense to commercial airline and helicopter... ...solutions. We are looking to add a Senior Staff Mechanical Engineer to our team. If you are great at...
Senior
Permanent employment
Full time
Contract work
Work experience placement
Local area
CesiumAstro
Denver, CO
1 day ago
Senior Manufacturing Engineer
$120k - $145.2k
...Industries is dedicated to Powering American Defense by revolutionizing the design,... ...defense by dramatically improving a jet engine’s speed to market, fuel efficiency, and... ...guidance Education ~ Bachelor’s degree in Mechanical Engineering, Manufacturing Engineering,...
Senior
Temporary work
Work experience placement
Beehive Industries
Englewood, CO
2 days ago
Senior Process Engineer
$135k - $145k
...Senior Process Engineer - Capital Projects (Consolidated Separations Plant) Wheat Ridge, CO Who... ...green energy, consumer electronics, and defense industries, and our battery grade... ...typical office environment, laboratory space, and construction site. Exposure will...
Senior
For contractors
Work at office
USA Rare Earth, Inc. (Nasdaq: USAR)
Denver, CO
1 day ago
Senior Mechanical Engineer 1 - Nuclear
$84.76k - $129.5k
...You'll spend three days a week in the office, giving you the flexibility to work remotely for two days. This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities. We are looking for...
Senior
Hourly pay
Work at office
Local area
Remote work
Worldwide
Flexible hours
3 days per week
Sargent Lundy
Englewood, CO
1 day ago
Senior Staff Mechanical Analysis Engineer
...passionate about shaping the future of humanity's presence in space? Lunar Outpost, an industry leader in space robotics... ...impacts here on Earth. Currently, we are seeking a Senior Staff Mechanical Analysis Engineer to contribute to our mission in a dynamic startup...
Senior
Permanent employment
Remote work
Monday to Friday
Lunar Outpost
Arvada, CO
13 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Mechanical Engineer - Space & Defense (Secret). Be the first to apply!