Senior Mechanical Engineer

Cesiumastro; Westminster (CO); On-site; USD 113,000 - 147,000; Full time

Benefits offered by this job

Stock options

Generous benefits package

Job summary

CesiumAstro is seeking a Senior Mechanical Engineer to drive mechanical designs for aerospace hardware. You will lead from concept through verification and field support, with emphasis on electronics packaging, thermal management, and environmental qualification.

Required skills include SolidWorks and ANSYS, familiarity with EMI/EMC mitigation, and DO-160G or MIL-STD-810. Strong communication and cross-functional collaboration are essential for success.

Qualifications

• Bachelor's degree in Mechanical or Aerospace Engineering.
• 5+ years in design/analysis of avionics or ruggedized electronics packaging.
• Experience with CAD and FEA tools (SolidWorks, ANSYS).
• Familiarity with EMI/EMC mitigation, DO-160G or MIL-STD-810.
• Strong written and verbal communication.

Responsibilities

• Lead mechanical designs from concept through testing and field support.
• Perform thermal management design, simulations, and GD&T.
• Present design reviews to customers and leadership; contribute to proposals.

Skills

Communication

Team collaboration

Problem solving

Education

Bachelor's degree in Mechanical or Aerospace Engineering

Tools

SolidWorks

ANSYS

CNC machining

Job description

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands‑on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

The Skylark product line is focused on the rapid design, build, and test ofcutting-edgeactive phased array antennas (AESA) for terrestrial and airborne applications. Current programs span high‑power, large-scale ground terminals for missile defense to commercial airline and helicopter connectivity solutions.

We are looking to add a Senior Mechanical Engineer to our team. If you are great at what you do, enjoy working in a startup environment, and are passionate about developing leading-edge hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you.

In this position, you will be responsible for mechanical designs of CesiumAstro products through all phases of the development process. The ideal candidate will be proficient in electronics packaging design, mechanical simulations and analyses, computer-aided design (CAD), aircraft mechanical interfaces, and environmental qualification of electronic assemblies (MIL-STD-810 and DO-160G).

As a CesiumAstro mechanical team member, you will be responsible for mechanical designs from initial concept design through requirements definition, detailed design, simulation, analysis, manufacturing, testing, qualification, and field support of Cesium's products. Required skills and experience include thermal management design, precision machining principles, thermal simulation and analysis, shock and vibration simulation and analysis, electromagnetic interference/compatibility (EMI/EMC) mitigation techniques, environmental compatibility analysis, geometric dimensioning and tolerancing (GD&T), finite element analysis (FEA), and cost analysis to develop, validate, and optimize mechanical designs.

The successful candidate will also present engineering design review materials to our customers and leadership team, as well asparticipatein proposal-writing efforts. As such, excellent written and verbal communication skills arerequired.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related technical field.
• Minimum of 5 years of industry experience in design and analysis of avionics or ruggedized embedded electronics packaging, including thermal, vibration, and stress dynamics or inaircraftstructures and mechanisms.AMaster’sdegree may count as two years of experience.
• Familiarity with electronics assemblies and experience working closely with electrical engineers.
• Familiarity with design for test, manufacturability, assembly, and reliability.
• Experience with CAD software packages, such as SolidWorks.
• Experience with professional mechanical and FEA CAD tools, such as Ansys.
• Experience with CNC manufacturing.
• Experience with EMI/EMC mitigation techniques.
• Excellent written and verbal communication skills.

PREFERRED EXPERIENCE

• Aerospace industry design, development, and qualification.
• Proven experience as a technical lead on a program or project.
• Experience with aircraft/airframe integration.
• Experience with FAA certification to DO-160G requirements or environmental qualification to MIL-STD-810 requirements.

$113,000 - $147,000 a year

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard torace, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.