Environmental Test Tech I

RTX is seeking an Environmental Test Technician I for an onsite position in Fairfield, CA. The role involves conducting pass/fail evaluations using a helium leak mass spectrometer, operating equipment, performing maintenance, and ensuring safety compliance. Candidates must have a high school diploma or equivalent and at least one year of relevant experience. U.S. citizenship is required for access to sensitive information.
Date Posted:

2026-04-14Country:

United States of AmericaLocation:

US-CA-FAIRFIELD-3530 3530 Branscombe Rd BRANSCOMBEPosition Role Type:

OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.Security Clearance Type:

None/Not RequiredSecurity Clearance Status:

Not Required



Joining Collins Aerospace isn’t just about finding a job; it’s about embarking on a journey to redefine the future of aerospace technology.



Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.



We are looking for an Environmental Test Technician to join our team onsite in Fairfield, CA. This position is a technical position, which requires working with Energetic Assemblies to conduct a pass/fail evaluation based on a given set of testing criteria using a helium leak mass spectrometer (leak detector). You will perform many of the Helium Leak operations under direct oversight by the Supervisor and/or Group Lead.



As an employee at Collins Aerospace-Fairfield, Safety is an expectation. Employees are expected to work safely, follow all safety rules, requirements, procedures, and instructions always. You are expected to actively participate in the safety program and be mindful of your safety and the safety of others. You are expected to complete all safety training in a timely manner.



What You Will Do

Operate various pieces of equipment, manually and remotely via HMI, per Manufacturing Procedure along with conducting routine TPMs and basic maintenance.

Perform routine daily setups, operations, and careful logging of process parameters.

Clean various equipment, tooling, and areas daily.

Accurately complete documentation of work (i.e. electronic data entries, log entries, data sheets, marriage logs, etc.).

Read and understand document revisions and standards governing documenting procedures.

Perform all production-related work assigned by supervisor or group leader in strict accordance with written procedures

Identification, control, in-plant transportation, storage, and disposal of hazardous and non-hazardous materials (i.e. solvents, explosives, lead, etc.).

Communicate potential mechanical and safety problems effectively and immediately.

Handle various amounts of energetics in accordance with safety regulations, while maintaining exact inventory.

This job specification should not be construed to imply that these requirements are the exclusive standards of the position. Incumbents will follow any other instructions and perform any other related duties as may be required by their supervisor/group lead.

Lift up to 35 pounds as required.



Qualifications You Must Have

Typically requires High School Diploma (or equivalent, e.g. G.E.D. in the US) or vocational/technical education in related discipline with a minimum 1 year of relevant experience.

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Must have the ability to obtain and maintain Alcohol, Tobacco, Firearms, and Explosives (ATF) access.



Qualifications We Prefer

Product Quality Testing or other manufacturing experience is preferred, explosive or chemical handling a plus for Level I.

Chemical / Energetic materials processing, manufacturing, and/or assembly experience a plus.

Mechanically inclined or mechanical aptitude.

Basic computer literacy

Ability to understand verbal and written instructions

Maintain organized workspace and proper documentation.

Ability to work in a team environment as well as solo tasks.

Must be capable of adapting to changing situations upon the direction of supervision

Willing to cross-train and work in all areas of operations as part of a flexible work environment

Experience with operating human machine interface (HMI) software to operate equipment and monitor control bands to detect and prevent defects from occurring in real time a plus.



What We Offer

Some of our competitive benefits package includes:



Medical, dental, and vision insurance

Three weeks of vacation for newly hired employees

Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option

Tuition reimbursement program

Student Loan Repayment Program

Life insurance and disability coverage

Optional coverages you can buy: pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection

Birth, adoption, parental leave benefits

Ovia Health, fertility, and family planning

Adoption Assistance

Autism Benefit

Employee Assistance Plan, including up to 10 free counseling sessions

Healthy You Incentives, wellness rewards program

Doctor on Demand, virtual doctor visits

Bright Horizons, child and elder care services

Teladoc Medical Experts, second opinion program

 And more! 



Learn More & Apply Now!

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.



Role Type

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.



Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.



The salary range for this role is 35,537 USD – 66,651 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.



At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.



Apply now and be part of the team that’s redefining aerospace, every day.







As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.









Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.



Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.



This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.



RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.



RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.





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