Welder III

Sierra Space Careers

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.

Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission‑ready throughout space.

We are mission‑driven, and together, we are an extraordinary team.

The Welder III performs advanced welding on cutting‑edge space hardware, specializing in orbital tube welding. This role involves precision fabrication of aerospace components including structural, hydraulic, zirconium, and stainless steel systems. Responsibilities include operating specialized welding equipment, maintaining precise measurements, and adhering to aerospace safety standards to ensure flight hardware integrity.

Our mission is driven by an unyielding commitment to advancing space‑based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission.

We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

• Perform advanced cutting, trimming, fitting, and fabricating weldments to dimensions for building and assembly using standard tools, materials, and welding trade practices.
• Lead welding projects and collaborate with engineers to ensure proper weld procedures, programs, types of materials, setups, and approaches are accurately assessed.
• Utilize different types of welding systems, following various technical drawings and detailed work instructions.
• Perform tasks according to procedures, specifications, and test instructions.
• Use precision measurement tools to ensure components meet specified tolerances.
• Fabricate fixtures for use, including non‑flight parts with standard alloys and complex geometry.
• Adhere to standard shop practices, following personal protective equipment (PPE) and safety requirements.
• Follow 5S, FOD, and ESD awareness protocols.
• Record daily work completion accurately and report to the lead technician.
• Contribute to enhancing operations, minimizing turnaround times, streamlining workflows, and fostering effective collaboration.

• Typically 5+ years of related experience.
• Familiarity with general best shop practices including PPE and shop safety requirements.
• Ability to use precision measurement tools and fabricate fixtures for use including non‑flight parts with standard alloys and complex geometry.
• Understanding of 5S, FOD, and ESD awareness.
• Ability to follow correct packaging and handling requirements for all hardware.
• Advanced understanding of welding techniques and processes, including MIG, TIG, and Orbital arc welding.

• Formal training or education in welding or a related field.
• Strong mathematical, basic computer, problem‑solving, and decision‑making skills, and strong written and verbal communication skills.
• Advanced understanding of welding techniques and processes, including MIG, TIG, and Orbital arc welding.
• Previous experience in an aerospace manufacturing or welding environment.
• Proficiency in using hand and power tools.
• Ability to interpret technical drawings and blueprints.
• Ability to work independently and as part of a team.
• Good communication skills and a willingness to learn and adapt.

Pay Range: $29.46 - $40.52 per hour.

Your actual base compensation will be determined on a case‑by‑case basis and may vary based on job‑related knowledge and skills, education, experience, internal equity and market competitiveness.

To conform to U.S. Government international trade…