Full-Time

Lead Communications Architect

CesiumAstro

CesiumAstro

501-1,000 employees

Designs satellite communications hardware and software

No salary listed

Munich, Germany

In Person

Master's

Category
Hardware Engineering (1)
Required Skills
FPGA

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Requirements
  • Master’s degree in electrical engineering, Communications Engineering, or a related discipline
  • 12+ years of experience developing advanced communications systems in satellite, defense, or aerospace - with demonstrable experience at system architecture level.
  • In-depth understanding of RF electronics, communication systems, and associated technologies such as digital systems, embedded software, FPGAs, and power electronics.
  • Track record of driving architecture decisions independently across multi-disciplinary engineering teams, without appreciable supervisory direction.
  • Proven experience working with technical customers, developing strong relationships, and translating their needs into actionable product requirements.
  • Excellent verbal and written communication skills, with the ability to clearly articulate technical concepts to both technical and non-technical audiences.
  • Experience with high-reliability electronics and systems, particularly in the aerospace industry.
  • Familiarity with small satellite systems and their unique requirements
  • Background in defense or aerospace platform integration
  • Comfortable operating as the senior technical authority in a new team build - setting standards, establishing processes, and making consequential design decisions.
  • Fluent in English; working proficiency in German beneficial.
Responsibilities
  • Own end-to-end technical architecture of phased array communication systems, from initial concept through detailed design, prototype, and production delivery
  • Define and maintain system requirements, interface control documents, and design verification plans
  • Lead internal and customer-facing technical design reviews, presenting to engineering leadership and external partners
  • Collaborate with the systems engineering team on requirements flow-down from operational and customer needs
  • Mentor and guide the Munich engineering team as it grows
Desired Qualifications
  • Working proficiency in German

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

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Health Savings Account/Flexible Spending Account

401(k) Retirement Plan

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Headcount

6 month growth

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1 year growth

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2 year growth

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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]