Software Engineer Intern

Job Title: Software Engineering Intern

Job Type: Summer 2026 Internship

Job Location: Simi Valley, CA OR San Leandro, CA (This position is 100% onsite)

Business Unit: Datron

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

About Fisica Inc.

Fisica, Inc. is a premier manufacturer of advanced defense products, specializing in the design and production of airborne and ground-based antennas, as well as cutting-edge electromagnetic systems and simulators. Headquartered in San Leandro, California, with additional operations in Simi Valley, Fisica plays a vital role as a trusted partner to leading defense primes and the U.S. Department of Defense.

Our company operates as - ATI, Randtron, Datron and Space Vector—each 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.

Overall Summary:

The Software Engineer Intern utilizes, adapts, and develops software and testing software for the command and control of satellite tracking antennas. The internship will take place in the summer of 2026 with flexibility for a May or June start time.

Key Responsibilities:

• This position reports to Manager of Software Engineering.
• Assists with regular collation and testing/validation of Linux security updates. Updates hardening scripts to meet latest requirements.
• Assists with developing and utilizing test software against existing C/C++, JavaScript, and SNMP interfaces for peripheral positioning/RF device embedded communication.
• Assists with performing and documenting security scans.
• Assists in the test and integration of the final products, as well as helps in troubleshooting issues with systems in operation as applicable.
• In-Office Work Required.

Education and Experience Required:

• Candidates must be currently pursuing a bachelor's degree or higher in computer science, computer engineering, or other related fields. A minimum of one (1) year related experience with Linux operating systems and software development/scripting is required, or the equivalent combination of education and experience thereof.
• Candidates must have experience with C/C++ and OOP concepts. Familiarity with Design Patterns in general is required.
• Candidates must have experience with scripting languages and concepts (PERL, Python, JavaScript, and/or Shell scripting).
• Candidates must have experience with Linux (Red Hat Enterprise Linux, CENTOS), SSH/SFTP, Yum/RPM usage.
• Candidates must have basic IT experience.
• Candidates must have experience with Microsoft Word and Excel.
• Candidates must have excellent written and verbal communication skills to communicate information effectively to internal customers, managers, and technical staff are required.
• The ability to obtain a future Security Clearance is required for the role. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Preferred Qualifications:

• Preferred experience with hardware/software electrical interfaces and concepts
• Preferred experience with image deployment and testing Linux within virtualized environments.

Benefits & Opportunities:

• Gain real-world, impactful experience on cutting-edge aerospace and defense technology.
• Opportunity for mentorship from industry veterans and experts.
• Competitive compensation package and potential eligibility for full-time employment offers upon graduation.
• Exposure to a wide range of engineering processes from concept to production manufacturing and testing.

In compliance with pay transparency requirements, the salary range for this role is $28.00/hr. - $35.00/hr. This 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.

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.

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.