Summer 2027 - Systems Engineering Internship

Posted 7 Days Ago
Be an Early Applicant
El Segundo, CA, USA
In-Office
Internship
Aerospace • Hardware • Software • Defense
CesiumAstro creates out-of-the-box communication systems for space and airborne platforms.
The Role
Supports the design and verification of space systems by developing requirements, defining interfaces, performing system-level analyses and trade studies, planning integration, and executing tests. Collaborates with electrical, mechanical, software, RF, and test teams. The internship is intended for engineering or technical students with space-systems exposure and may involve MBSE, hardware/software integration, and system-level testing.
Summary Generated by Built In
Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

As a Systems Engineering Intern, you will work alongside experienced engineers to contribute to the success of our projects. You will support the design and verification of real-world space systems, collaborating closely with electrical, mechanical, software, RF, and test teams. Tasks may include requirements development, interface definition, system-level analysis, trade studies, integration planning, and test execution. Specific assignments will be matched based on your interests and active program needs.
 
If you're passionate about multidisciplinary engineering and space systems—and want to be involved in defining how complex hardware and software come together into a unified system—this role is for you.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Current enrollment in a Bachelor of Science (BS), Master of Science (MS), or PhD program in Engineering (Aerospace, Electrical, Mechanical, Software), Physics, or a related technical discipline from an accredited university.
  • Targeting rising juniors or seniors with a GPA of 3.5 or higher.
  • Practical experience working with space systems through coursework, internships, clubs, or research.
  • Excellent written and verbal technical communication skills.
  • Strong sense of urgency and the ability to work effectively under pressure in a fast-paced environment.
  • Team player who works well with cross-functional groups and adapts quickly to changing priorities.

PREFERRED EXPERIENCE

  • Experience with systems engineering tools and methodologies, such as requirements flow-down, interface control, system budgets, or validation planning.
  • Familiarity with model-based systems engineering (MBSE) tools (e.g., Cameo, SysML) is a plus.
  • Participation in student design teams, such as CubeSat, rocketry, or aerospace competitions.
  • Exposure to hardware/software integration or system-level testing.
  • Aerospace or defense industry experience is a bonus.

All CesiumAstro internships are compensated competitively and located onsite at one of our facilities.
 
CesiumAstro is an Equal Opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Skills Required

  • Current enrollment in a BS, MS, or PhD program in engineering, physics, or a related technical discipline at an accredited university.
  • Targeting rising juniors or seniors.
  • GPA of 3.5 or higher.
  • Practical experience working with space systems through coursework, internships, clubs, or research.
  • Excellent written and verbal technical communication skills.
  • Ability to work effectively under pressure in a fast-paced environment.
  • Ability to work collaboratively in cross-functional groups and adapt quickly to changing priorities.
  • U.S. citizenship, lawful permanent residence, qualifying protected-individual status, or eligibility to obtain required U.S. Department of State authorizations.
  • Experience with systems engineering tools and methodologies, including requirements flow-down, interface control, system budgets, or validation planning.
  • Familiarity with MBSE tools such as Cameo or SysML.
  • Participation in student design teams such as CubeSat, rocketry, or aerospace competitions.
  • Exposure to hardware/software integration or system-level testing.
  • Aerospace or defense industry experience.

CesiumAstro Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CesiumAstro and has not been reviewed or approved by CesiumAstro.

  • Healthcare Strength — Health coverage includes medical, dental, vision, life and disability insurance, plus FSAs and mental health benefits. Feedback suggests the health package is comprehensive for a growth-stage aerospace firm.
  • Retirement Support — Offerings include a 401(k) with company matching and other retirement-plan elements. Feedback suggests core retirement mechanisms are in place alongside standard financial benefits.
  • Leave & Time Off Breadth — Generous PTO, paid holidays, paid sick days, and bereavement leave are included. Feedback suggests time-off options are broad on paper across multiple leave types.

CesiumAstro Insights

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The Company
HQ: Austin, TX
400 Employees
Year Founded: 2017

What We Do

We build high-throughput, plug-and-play phased array communication payloads for space and airborne platforms. CesiumAstro’s full-stack, multi-mission hardware and software products enable a diverse range of commercial and defense objectives. Full-system engineering design is at the heart of every CesiumAstro product. We deliver high-performance solutions under rapid development timelines.

Why Work With Us

At CesiumAstro, we’re a team. We’re passionate, respectful, and determined colleagues ready to help at a moment’s notice. We’re mentors excited to enable our peers with the knowledge they need to succeed. Together, we’re visionaries committing to building memories that will last a lifetime.

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