Mechanical Technician Senior Second Shift – Millennium Space Systems
Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Oct 1, 2026. Boeing scores A on the Alion truth index.
Company:
Millennium Space SystemsMillennium Space Systems (MSS), a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have a direct impact to Global Security, like Missile Warning and Earth Observation.
Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen.
We have an exciting opportunity for a Mechanical Technician Senior to join our dynamic team in El Segundo, California.
The Mechanical Technician will be responsible for performing a variety of tasks in support of fabrication, integration and test of space flight systems and support equipment.
This position’s internal job code is Spacecraft Mechanical Technician Sr. Our team is currently hiring for grade 24.
Position Responsibilities:
- Assembles, installs, tests, checks out and inspects mechanical spacecraft assemblies by interpreting blueprints, engineering drawings and specifications, and written assembly, integration, and test procedures
- Performs second party verifications and visually inspects mechanical assemblies to drawings, engineering specifications, and written assembly, integration, and test procedures
- Operates various materials handling equipment including forklifts, overhead cranes, aerial lift equipment, flight vehicle and sub-assembly transportation equipment, truck/tractor trailer combinations and other GSE as required
- Operates a wide range of machine tools. Included but not limited to, drill press, grinders, chop saw, power, and hand tools
- Interfaces and/or works closely with Design and Manufacturing Engineering, Manufacturing, Materials, Procurement and Shipping personnel on procedural issues involving design, methods, tooling, cost, and other areas involved in the control of product quality
- Supports in other mechanical areas defined by Millennium Space Systems Leadership as business needs require
- Cross-trains/mentors new hires
This position is expected to be 100% onsite. The selected candidate will be required to work onsite at one of the listed location options.
Shift:
This position is primarily 2nd shift; however, there may be additional shift requirements to support program objectives. Candidates must be able to work any shift assigned.
Union:
- This is an International Association of Machinists and Aerospace Workers (IAM) hourly union-represented position.
- New hires and employees transferring from non-union roles may be required to attend or complete training within their 90-day probationary period. Continued employment is contingent on successfully completing the probationary period.
Security Clearance:
This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. (An Interim and/or final U.S. Top Secret Clearance Post Start is required.)
Basic Qualifications (Required Skills/Experience):
- High School Diploma or GED
- More than 5 years of experience with Structures Assembly, Mechanical Assembly, Electrical Assembly, and/or Final Assembly
- More than 3 years of experience following written and verbal work instructions
- More than 3 years of experience in working with blueprints, specifications, assembly drawings, and standard operating procedures
- More than 3 years of experience in setting and using precision measuring tools and equipment such as micrometers, calipers, and/or dial indicators
- More than 3 years of experience working with at least one of the following materials (Adhesives; Composites; Epoxy; Fabrics; Honeycomb Core; Laminates/plastics; Resins)
- Ability to stand and move (reach, bend, or stoop) to handle products for extended periods of time with only short breaks
- Capable of lifting 20lbs or more on a frequent basis
Preferred Qualifications (Desired Skills/Experience):
- More than 3 years of experience using structures hand tools, test equipment, torque wrenches, dial indicators, micrometers, sheet metal brakes and sheers
- More than 3 years of experience using all the following Microsoft Office Applications (Word, Excel and PowerPoint)
- More than 3 years of experience working in at least a 100,000 Class Clean Room environment
- More than 5 years of experience building a variety of component-level space products (e.g. avionics boxes, batteries, mechanisms, optics, printed circuit board assemblies, solar arrays, etc.)
- More than 5 years of experience with mechanical trouble shooting, disassembly and repair
Conflict of Interest:
Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.
Relocation:
Relocation assistance is not a negotiable benefit for this position. Candidates must live in the immediate area or relocate at their own expense.
Travel:
Position may require travel up to 5% of the time.
Drug Free Workplace:
Millennium Space Systems, a Boeing Company, is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.
Pay & Benefits:
At Millennium Space Systems, a Boeing Company, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.
Millennium Space Systems also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.
The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.
Pay is based upon candidate experience and qualifications, as well as market and business considerations.
Summary Pay Range: $29.42 - $47.09
Millennium is a DDTC-registered, ITAR-compliant Company. This position is located at a facility that requires special access. Applicants MUST be U.S. citizens and eligible for a security clearance. Additionally, applicants must be willing to apply for and maintain a security clearance. We encourage all interested candidates to apply for any open position for which they feel they are qualified.
Category = Manufacturing
Language Requirements:
Not ApplicableEducation:
High School Diploma or EquivalentRelocation:
Relocation assistance is not a negotiable benefit for this position.Export Control Requirement:
Safety Sensitive:
Security Clearance:
This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Top Secret Clearance Post-Start is required.Visa Sponsorship:
Employer will not sponsor applicants for employment visa status.Contingent Upon Award Program
This position is not contingent upon program awardShift:
Shift 2 (United States of America)Stay safe from recruitment fraud! The only way to apply for a position at Boeing is via our Careers website. Learn how to protect yourself from recruitment fraud - Recruitment Fraud Warning
Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.
Boeing Participates in E - Verify
Right to Work Statement