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Antenna Assembler

Fisica


Job Location:

San Leandro, CA - USA

Hourly Salary: USD 29 - 54
Posted: 14 October 2026 (Yesterday)
Application Deadline: 11 January 2027
Vacancies: 1 Vacancy

Job Summary

Job Title: Mechanical AssemblyFabrication D (Antenna Assembler)

Job Type: Full-timeNon-Exempt

Job Location: San Leandro CA (This position is 100% onsite)

Business Unit:Randtron

Schedule:9/80:Employees work 9 out of every14 days totaling 80 hours worked and have every other Friday off.

Shift: 5am-2:30pm

About Fisica Inc.

Fisica ATI in San Leandro CA develops cutting edge pulsed power systems x-ray radiation sources high-voltage switches & power-conditioning components. These core technologies are applied to build systems for flash x-ray imaging electron beam sterilization fusion and simulating radiation environments such as space or a nuclear blast to study how electronics optics and materials are affected by x-ray radiation. The largest pulsed power systems built here produce millions of amps at millions of volts delivered within hundreds of nanoseconds. Succeeding at these fast-paced demanding conditions requires a talented team of curious self-motivated and passionate scientists designers technicians and engineers. Fisica conducts both R&D and manufacturing to serve a mix of government and commercial customers.

Our company operates as - ATI Randtron Datron and Space Vectoreach bringing deep expertise and innovation to the defense sector. Led by a seasoned management team Fisica is committed to excellence in engineering manufacturing and mission-critical solutions that enhance national security.

At Fisica we foster a strong collaborative work culture that values individual contributions and empowers our employees. Our commitment to innovation integrity and teamwork makes us a leader in the defense industry and an exceptional place to build a career.

Primary Function:

Responsible for fabricating building handling repairing and integrating complex parts assemblies and machines normally used in engineering prototypes one of a kind product or low volume manufacturing. Provides highly skilled labor for extremely tight or critical tolerances. Hardware is fabricated and assembled using engineering standards and is oftentimes considered fragile high precision highly sensitive and of high value. May interface with engineers in prototyping and optimizing assembly processes and procedures for manufacturability. May monitor and verify quality in accordance with statistical process or other control procedures. May require handling knowledge such as use of overhead cranes and equipment and rigging best practices. May design and fabricate manufacturing assembly aids and tooling. May lead and manage multiple builds and assemblies.

Major Responsibilities:

  • Documents results maintains records and prepares reports.
  • Maintain full compliance with respect to all EH&S and safety requirements. Advise technical lead and or management of any non-compliant issues immediately.
  • Performs complex mechanical assembly work utilizing blueprints and operation sheets.
  • Uses hand tools and various epoxies to perform operations.
  • Interfaces with engineering quality assurance and test personnel to ensure subassemblies are inspected and tested at specified checkpoints.
  • May perform duties relating to remote testing including preparing and transporting product and assisting test site personnel.
  • Performs rework and makes adjustments as required.
  • Performs pressure testing to locate leaks in subassemblies.
  • May perform hand soldering and wiring. (Once certified).
  • Support repair of product at customer site as required.
  • Must be able to identify document and incorporate with engineering any necessary changes on router and/or blueprints needed to improve or correct issues to insure a quality product to our customers.
  • May perform tasks with engineering to aid in the designs and manufacturing of needed upgrades for tooling and/or assemblies necessary for the improvement of our products.

Education/Experience/Training:

Requires highly developed job knowledge/skills. Requires a High School Diploma or equivalent and a minimum of 8 years of prior relevant experience or 2 years post-secondary/associates degree with a minimum of 4 years of prior related experience and the ability to read operation sheets and complex blueprints. Also requires soldering skills the ability to use measuring instruments and use of complex formulas and charts.

Additional Requirements:

  • Flexible to work varied shifts overtime weekends and travel on occasion.
  • Must have good repetitive manual dexterity with both hands.
  • Must have sufficient vision to see relative positions of small parts and able to discern symmetry and proper alignment.
  • Based upon the job duties and need to visit different areas within the company you may be exposed to; fumes dust toxic or caustic chemicals (well below OSHA and ACGIH exposure guidelines) outdoor weather moving mechanical parts and/or be part of a hearing conservation program due to noise levels around certain equipment.
  • Able to stoop bend kneel and squat for extended periods of time.
  • Able to push and reach for extended periods of time.
  • Able to work in confined space areas for extended periods of time.
  • Able to lift 25 pounds close to the body repetitively. (Employees need to ask for assistance and use material handling tools for lesser weight in awkward location and/or body positions and for any items over 50 pounds).
  • Must wear appropriate personal protective equipment as necessary. Must be able to pass a respirator medical physical. May not have facial hair and be clean shaven per California and Federal OSHA requirements to ensure a proper fit of respiratory protection.
  • Work at heights up to 30 feet after training. Wearing fall protection above 30 inches utilizing existing fall protection.
  • Must have a valid CA Drivers License.
  • Operate overhead crane lifts & rigging after training.
  • The ability to obtain and maintain a future Security Clearance is required for the role. Eligibility requires U.S. citizenship.

Why Join Fisica Inc.:

  • Competitive salary and benefits package!
  • Generous paid time off.
  • 401k with 6% match and vesting is immediate.
  • Strong work-life balance.
  • Tuition Reimbursement.
  • Paid parental leave.


In compliance with pay transparency requirements the salary range for this role is $29.33-54.33/ is not a guarantee of compensation or salary as the final offer amount may vary based on factors including but not limited to experience and geographic location. Fisica Inc also offers a variety of benefits including health and disability insurance 401(k) match flexible spending accounts EAP education assistance parental leave paid time off and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire and schedule type.

EEO Statement

Fisica is proud to be an Equal Opportunity Employer. Fisica is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race color religion age national origin ancestry ethnicity gender (including pregnancy childbirth breastfeeding or other related medical conditions) gender identity gender expression sexual orientation marital status military and veteran status disability genetic information citizenship status characteristic or membership in any other group protected by federal state or local laws. Fisica maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks where permitted by law.

Applicants with disabilities may contact Fisica Human Resources via e-mail to request and arrange for an accommodation. If you need assistance to accommodate a disability you may request an accommodation at any time.

Please contact the Fisica Human Resources Department at

Fisica is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work please click here for English or Spanish.