Full-Time

Electrical Engineer 1 – Phased Array Unit Lead

CesiumAstro

CesiumAstro

501-1,000 employees

Designs satellite communications hardware and software

Compensation Overview

$158k - $189k/yr

+ Stock options

No H1B Sponsorship

Westminster, CO, USA

In Person

US Citizenship Required

Bachelor's, Master's, PhD

Category
Electrical Engineering (1)
Required Skills
Quality Assurance (QA)

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Requirements
  • A Bachelor's degree or higher in Electrical Engineering or a related field is required.
  • At least 8 years of engineering experience in electronics hardware development is required.
  • Hands-on experience with technologies such as active phased array antennas is required.
  • Expertise in antennas and board-level radio frequency electronics is required.
  • Strong familiarity with power and digital support circuitry and design for manufacturability is required.
  • Experience testing active antennas, including measuring effective isotropic radiated power and G/T, is required.
  • Leadership experience, including mentoring or leading multidisciplinary engineering teams, is required.
  • Strong knowledge of systems engineering practices, requirements flowdown, verification and validation, and configuration management is required.
  • The ability to communicate complex technical information to diverse audiences is required.
Responsibilities
  • Serve as the AESA Unit Lead and primary technical point of contact for the box throughout the product development lifecycle.
  • Lead the end-to-end engineering effort for the box, including architecture, design, prototyping, integration, testing, environmental qualification, and flight readiness.
  • Coordinate and direct a team of radio frequency, digital, power, mechanical, thermal, software, and systems engineers to ensure consistent and timely technical execution.
  • Hold schedule accountability for the box development.
  • Develop and review payload control schemes, internal data interfaces, command and telemetry architecture, and firmware and software integration as needed.
  • Manage flight qualification activities, including environmental test planning for thermal vacuum, vibration, shock, and electromagnetic compatibility; margin assessment; and final acceptance testing.
  • Own the transition to volume production, including manufacturability, testability, and customer-facing documentation.
  • Generate and maintain box-level documentation, including requirements, interface control documents, block diagrams, test plans, verification matrices, risk registers, and design reviews.
  • Interface with spacecraft systems engineering, mission assurance, manufacturing, vendors, and test facilities.
  • Drive root cause analysis, anomaly resolution, and technical risk mitigation throughout development and test campaigns.
  • Communicate status, technical trades, risks, and design decisions to internal leadership and external customers.
Desired Qualifications
  • Proven experience executing or overseeing flight qualification and environmental test campaigns, including thermal vacuum, vibration and shock, electromagnetic compatibility, and radiation considerations.
  • Experience managing hardware and software product development projects.
  • Experience with radiation-tolerant design.
  • Experience with high-rate manufacturing, rapid development cycles, and NewSpace ecosystems.
  • Prior experience as a Responsible Engineer, Technical Lead, Integrated Product Team Lead, or Chief Engineer on flight hardware.
  • Experience in high-frequency antenna design, such as Ka-band design.
  • Experience mentoring less-experienced project engineers and design engineers in the associated discipline.

CesiumAstro develops end-to-end space and airborne communications systems, including active phased array antennas, software-defined radios, and complete payloads. Its technology enables electronically steered beams for inter-satellite links, high-rate downlinks, lunar and deep-space communication, and 5G/NTN networks. It ships plug‑and‑play, commercially manufactured hardware and SDR software as a full-stack solution, reducing development time and cost. The company targets both government programs (NASA, DoD) and commercial space ventures, aiming to make space-based connectivity more accessible and adaptable.

Company Size

501-1,000

Company Stage

Debt Financing

Total Funding

$678.2M

Headquarters

Austin, Texas

Founded

2017

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Simplify Jobs

Simplify's Take

What believers are saying

  • April 21, 2026 MDA awarded CesiumAstro a GMD IFICS contract for Skylark.
  • March 6, 2026 announced $500 million Bee Cave expansion signals customer demand and production scaling.
  • February 2026 settlement cleared the headquarters site, reducing legal friction around Texas manufacturing growth.

What critics are saying

  • AnySignal trade-secret litigation from 2024 still clouds CesiumAstro's competitive playbook and hiring.
  • Bee Cave buildout through August 2026 delays revenue if equipment installs, permits, or grant milestones slip.
  • A failed integration of Vidrovr, Jariet, and 1Aardvark would fracture the full-stack strategy.

What makes CesiumAstro unique

  • CesiumAstro vertically integrates phased arrays, RF-SoCs, mission software, and satellites after 2026 acquisitions.
  • Its Bee Cave campus targets domestic manufacturing of Element and Skylark for defense customers.
  • The company sells software-defined, electronically steered systems for contested space and airborne missions.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account/Flexible Spending Account

401(k) Retirement Plan

Stock Options

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
GovCon Wire
Aug 26th, 2026
CesiumAstro buys 1Aardvark to add mission software for defense space.

CesiumAstro buys 1Aardvark to add mission software for defense space. * 1Aardvark is a service-disabled veteran-owned and HUBZone-certified business in Manassas, Virginia * Its work covers missile defense and missile tracking programs * The deal follows CesiumAstro's purchases of Vidrovr and Jariet Technologies this year CesiumAstro has acquired 1Aardvark, adding mission software and systems engineering to a portfolio built around satellites and communications payloads. CesiumAstro announced the deal Tuesday. 1Aardvark, based in Manassas, Virginia, builds software, algorithms and systems engineering for national defense programs. It holds service-disabled veteran-owned small business and HUBZone certifications. What does 1Aardvark bring to CesiumAstro? 1Aardvark's software supports missile defense and missile tracking work. The company builds systems that enable distributed platforms to coordinate and execute missions in contested or disconnected environments. CesiumAstro expects the pairing to yield spacecraft that adjust to changing conditions and keep operating when connectivity degrades. Shey Sabripour, founder and CEO of CesiumAstro, said defense space systems increasingly require software that can adapt and make decisions. According to Ryan Kenward, president of 1Aardvark, joining CesiumAstro extends the company's work pushing mission capability to the edge. How does the deal fit CesiumAstro's acquisition strategy? The 1Aardvark deal lands days after CesiumAstro closed its purchase of Jariet Technologies, a semiconductor firm focused on millimeter-wave radio frequency system-on-chip designs. That deal gave the company in-house chip capability to pair with its phased-array antenna and payload work. The company also acquired Vidrovr in March, an AI firm specializing in real-time multimodal signal analysis. Vidrovr co-founder Joe Ellis oversees integration of machine learning tools into the CesiumAstro portfolio. CesiumAstro closed a $470 million Series C round in February and took $200 million in Export-Import Bank financing in January to acquire a 270,000-square-foot West Austin facility.

Noah Business Intelligence
Aug 25th, 2026
CesiumAstro's latest acquisition enhances resilience and integration for government space missions

CesiumAstro’s purchase of Virginia-based 1Aardvark advances its strategy to deliver more resilient, software-defined communications and onboard systems for government missions, strengthening its position in the defence...

BISinfotech
Aug 13th, 2026
CesiumAstro acquires Jariet Technologies for defense capabilities

CesiumAstro acquires Jariet Technologies, expanding semiconductor capabilities across SATCOM, electronic warfare, radar and space systems.

AInvest Fintech Inc.
Jun 9th, 2026
CesiumAstro raises $270.5M in private placement offering

CesiumAstro has raised $270.5 million in a private placement offering, according to a Form D filing with the Securities and Exchange Commission. The offering was conducted under Regulation D, Rule 506. The filing provides details about the offering structure, including shares issued and offering price, though the company did not disclose the identities of participating investors or specific terms beyond SEC requirements. The capital will support CesiumAstro's business operations and strategic initiatives. The Form D filing is a standard requirement for Regulation D offerings to provide regulatory transparency. The company has not indicated whether additional offerings are planned.

CesiumAstro
Apr 21st, 2026
CesiumAstro selected to support GMD Weapon System (GWS) in-flight interceptor communications system (IFICS) for Missile Defense Agency.

CesiumAstro selected to support GMD Weapon System (GWS) in-flight interceptor communications system (IFICS) for Missile Defense Agency. Image Credit: CesiumAstro AUSTIN, Texas, April 21, 2026 - CesiumAstro, a leader in advanced space communications, has been awarded a contract to deliver a new active phased array variant as part of an expansion to its Skylark product line. This large-aperture array, built on CesiumAstro's scalable active phased array architecture, will support modernization of the Ground-based Midcourse Defense (GMD) Weapon System (GWS), a critical part of missile defense. This award underscores Skylark's value as a software-defined, mobile-ready terminal. The system's modular design allows it to adapt to evolving mission needs, including integration across a wide range of platforms, from ground vehicles to next-generation airborne assets. "We are honored to support the Missile Defense Agency in strengthening national security through resilient, high-performance communications," said Shey Sabripour, Founder and CEO of CesiumAstro. "With our phased array architecture and ability to deliver advanced solutions with speed and reliability, CesiumAstro will provide our customer and the Missile Defense Agency a high-performance solution." CesiumAstro will collaborate with the customer to meet mission requirements with a focus on ensuring the system meets the highest standards for performance, security and readiness. About CesiumAstro CesiumAstro is a global leader in advanced connectivity solutions for space and defense, delivering next-generation systems that connect, detect, and defend across commercial, government and national security missions. Its standardized product platforms span satellites, high-performance communications payloads, terminals and advanced computing systems, all designed for scalable production and mission-ready deployment. CesiumAstro maintains complete vertical integration with in-house design, manufacturing and testing capabilities certified to AS9100D and ISO 9001:2015 standards. Headquartered near Austin, Texas, the company operates additional facilities in Colorado, California, the United Kingdom, Germany and Japan. To learn more, visit cesiumastro.com. Media Contacts Griffin Communications Group: [email protected] Aimée Ahiers, CesiumAstro: [email protected]