System Support Engineer

We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.

As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing.

When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.

Location : Irvine, CA

Office : On-site, 5 days per week

ALTEN Technology is seeking a hands-on System Support Engineer to investigate, reproduce, and resolve in-service issues on fielded hardware/software systems. This role will be onsite in Irvine, CA lab, where dedicated equipment and platforms are available for troubleshooting and root cause analysis. This role will operate as part of a team, coordinating with development and integration engineering to drive issues to closure.

Responsibilities

• In-Service Issue Characterization — Proactively evaluate incoming issue data from the field. Identify, analyze, and document newly reported system issues across software and hardware domains. Formally document initial findings and recommended next steps for each issue.

• Laboratory Reproduction & Investigation — For each characterized issue, design and conduct laboratory tests and troubleshooting activities aimed at reproducing field-reported malfunctions in a controlled environment. Develop and implement troubleshooting plans autonomously using established methodologies and documented approaches.

• Root Cause Analysis — Conduct in-depth debugging, including code analysis and log gathering. Coordinate with involved parties — development engineering, third-party suppliers, integration teams, and hardware support — as required to determine root cause. Deliver detailed root cause analyses and supporting documentation for each issue.

• Reporting & Remediation Coordination — Document all investigation activities, findings, and resolutions in the designated issue tracking system. Coordinate fix requests, review design change proposals, provide technical challenges as necessary, and track each issue through to resolution.

Required Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related discipline.

• 5+ years of experience in system support, sustaining engineering, or system integration & test.

• Proficiency in C and C++ for debugging and code analysis.

• Strong shell scripting skills (Bash) in Linux/Unix environments.

• Demonstrated experience with root cause analysis and structured problem-solving methodologies (8D or equivalent).

• Experience using JIRA or comparable issue tracking systems.

• Ability to work onsite full-time at the Irvine, CA lab facility.

Preferred Qualifications

• Experience with system performance monitoring and trend detection.

• Data analytics and parsing experience.

• Exposure to AI/automation workflows, including LLM and RAG-based tooling.

• Background in avionics, in-flight entertainment, defense, or other regulated hardware/software systems.

Salary:

• $115,000-125,000 per year

• The actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy.

Please beware of job seeker scams and see this important notice ( on our careers page for more information about our recruiting process.

Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Drug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.