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Added 1 min ago
Member of Technical Staff, Software Engineer, Platform
Pantograph
San Francisco, CA
We're looking for an experienced software engineer to design and build the internal infrastructure that powers our customer-facing product. You'll work closely with our product, interface,…
Added 1 min ago
Software Engineer
Liberty Mutual Insurance
Plano
…Web Services (AWS). Quality champion: Ensure quality through test- and behavior-driven development, automated testing and thoughtful code reviews. End-to-end owner: Own the full lifecycle -…
Added 1 min ago
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Software Engineer - NatSec
Snowflake
McLean, VA
- $160,000 to $230,000 USD / year
…environments and move with an experimental mindset - who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to…
Added 1 min ago
Laboratory Test Engineer
MbSolutions Inc
Houston, TX
We have an exciting opportunity for a Laboratory Test Engineer to join the JETSII Contract with Nexus, a teammate company!
Added 2 mins ago
Critical Environments Operator II
CyrusOne Management Services LLC
Sterling, VA
Experienced with managing key performance indicators as provided by Assistant or Chief Engineer.
Added 2 mins ago
In-Business Risk for Equity Derivatives, Vice President
Citibank, N.A.
United States
· Work with partners in Market Risk, Quant (MQA), and others and stress test developers to create and utilize models for accurate measurement of clients’ overnight or intraday exposure.…
Added 2 mins ago
In-Business Risk for Equity Derivatives, Assistant Vice President
Citibank, N.A.
United States
· Work with partners in Market Risk, Quant (MQA), and others and stress test developers to create and utilize models for accurate measurement of clients’ overnight or intraday exposure.…
Added 2 mins ago
VI
AI/ML Platform Engineer
Vervic Inc.
Baltimore, MD
- $50 USD / hour
Added 3 mins ago
Quality Technician 3rd shift
Aumovio
Morganton, NC
6) Work with Sr. Quality Engineer (Jidoka), QAP and FA Operators to establish optimized Production line analysis strategy and support accordingly (Jidoka meetings, training…).
Added 4 mins ago
Senior CIAM Software Engineer
UT
We are seeking Senior CIAM Software Engineer in Salt Lake City to join our CIAM team to help support and enhance our Customer Identity and Access Management platform. CIAM is a critical…
Added 4 mins ago
Performance Test Engineer
ILAB LLC
Remote, United States
The Performance Test Engineer is a technical leader in the Advanced Services organization and a strategic participant in customer engagements. The Performance Test Engineer helps set the…
Added 5 mins ago
SF
Information Systems Security Engineer
Second Front Systems
Remote, United States
- $200,000 to $210,000 USD / year
Second Front Systems is looking for a technically deep, mission-focused, security-first Information Systems Security Engineer to strengthen our cybersecurity and solutions architecture…
Added 7 mins ago
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Trading Application Support Engineer, Senior Associate
SSB&T
Boston, MA
- $52,000 to $91,000 USD / year
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to…
Added 7 mins ago
Lead Structural Analysis Engineer
The Boeing Company
Titusville, FL
Boeing Defense, Space & Security (BDS) is seeking an experienced Lead Structural Analysis Engineer to join the team based in Titusville, Florida.
Added 7 mins ago
Experienced Structural & Payload Design Engineer
The Boeing Company
Titusville, FL
Boeing Defense, Space and Security (BDS) is looking for an Experienced Structural & Payload Design Engineer to join our team in Titusville, FL.
Added 7 mins ago
Senior Structural & Payloads Design Engineer
The Boeing Company
Titusville, FL
Boeing Defense, Space and Security (BDS) is looking for a Senior Structural & Payload Design Engineer to join our team in Titusville, FL.
Added 7 mins ago
Spacecraft Thermal Engineer (Early Career) - Millennium Space Systems
Millennium Space Systems
El Segundo, CA
Thermal Engineers support the Spacecraft Development Program Managers and Chief Systems Engineer through the development of all spacecraft thermal system configurations, designs, analyses,…
Added 7 mins ago
Design and Analysis Engineer (Electronic Sys Design & Analy)
The Boeing Company
Saint Charles, MO
The Boeing Company has an exciting opportunity for a Mission Systems Senior Lead Hardware Engineer to lead the definition and development of mission systems avionics and sensors for Phantom…
Added 8 mins ago
Identity and Access Management Specialist
Meriton
Irving, TX
Using designs and production approvals provided by the Senior IAM Engineer, stand up, configure, test, document, and troubleshoot SSO and automated provisioning integrations using SAML,…
Added 8 mins ago
Cyber-Physical Systems Reverse Engineer
Kudu Dynamics LLC
Chantilly, VA · Columbia, MD
…interfaces, and interactions between components. You will reverse engineer and emulate embedded devices, develop automated methods for exploring system behavior, and design experiments to…
Added 8 mins ago
RF Communications Engineer
Dynetics, Inc
Huntsville, AL
…Outpost, Leidos, as a key partner, is seeking RF Communications Engineer to support HALTV and other programs as part of a diverse team that develops lunar mobility systems, cislunar…
Added 8 mins ago
Sr. Cybersecurity Systems Engineer
LEIDOS, INC.
Linthicum Heights, MD
…no further! Leidos is currently looking to add a Sr. Systems Engineer to an Information Assurance Program near Ft. Meade,…
Added 9 mins ago
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Senior Software - Generalist
Orbit Neuro Co.
San Francisco, CA
- $185,000 to $215,000 USD / year
- Build shared libraries, simulators, replay tools, and development utilities that make the product easier to build and test.
Added 9 mins ago
ON
Senior IoT Software Engineer
Orbit Neuro Co.
San Francisco, CA
- $185,000 to $215,000 USD / year
- An engineer with a degree in computer science, electrical engineering, computer engineering, or a related field, and at least five years of relevant professional experience.
Added 9 mins ago
ON
Senior Embedded Software Engineer
Orbit Neuro Co.
San Francisco, CA
- $185,000 to $215,000 USD / year
- An engineer with a degree in computer science, electrical engineering, computer engineering, or a related field, and at least five years of relevant professional experience.

CesiumAstro

Senior Spacecraft Systems Engineer – Software

Westminster, CO, United States

$133,908 to $160,991 USD / year

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Job details

Pay: $133,908 to $160,991 USD / year
Posting language: English
Posted: Nov 9, 2026

Original job description

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.

The Senior Spacecraft Systems Engineer – Software is responsible for translating system-level operational concepts, customer requirements, and architecture into detailed software requirements, verification strategies, and integrated technical solutions for complex embedded systems. This role serves as a critical bridge between Systems Engineering and Software Engineering, ensuring requirements are properly decomposed, traceable, testable, and aligned to overall program objectives.

The position is organizationally aligned within the Systems Engineering function while working closely day-to-day with the Software Engineering team to support planning, development, integration, and verification activities. This role is instrumental in defining software verification approaches, required hardware/software configurations, and ensuring system functionality meets mission and performance objectives.

ESSENTIAL ROLES AND RESPONSIBILITIES

Requirements Decomposition & Flow Down

Analyze customer, mission, and system-level requirements and decompose them into clear, verifiable software-level requirements.
Ensure software requirements maintain traceability to higher-level system requirements, architecture, and Concept of Operations (CONOPS).
Collaborate with systems, software, and hardware teams to refine requirements for completeness, feasibility, and technical accuracy.
Support requirements management processes, baseline control, and change impact assessments.
Identify requirement gaps, ambiguities, and risks early in the development lifecycle.

Verification Planning & Validation

Develop software verification approach including verification descriptions, methods (test, analysis, demonstration, inspection), levels, and acceptance criteria aligned to system and program requirements.
Identify required verification configurations, including hardware setups, software loads, firmware versions, and test environments.
Support verification cross-reference matrices (VCRM), traceability matrices, and evidence packages.
Partner with test and software teams to ensure efficient execution of planned verification activities.

Systems & Software Integration

Serve as a technical liaison between Systems Engineering and Software Engineering teams.
Support software integration planning, readiness reviews, and release coordination.
Evaluate impacts of software changes to system behavior, interfaces, and verification scope.
Participate in architecture, design, and interface reviews to ensure requirements alignment.
Support issue resolution involving system functionality, interoperability, and software performance.

Embedded Systems & Interfaces

Apply working knowledge of embedded systems architectures, constraints, and development environments.
Understand hardware/software interfaces, communication protocols, and subsystem interactions.
Support interface definition and validation between embedded devices, processors, sensors, payloads, and external systems.
Assess integration and verification implications of firmware, software, and hardware revisions.

Program Execution & Technical Leadership

Support Program Increment (PI) planning, staffing assessments, and execution readiness activities.
Prioritize verification and requirements activities to meet schedule and milestone commitments.
Mentor junior engineers on requirements quality, traceability, and verification planning.
Drive continuous improvement in systems/software collaboration, process efficiency, and engineering rigor.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Bachelor's degree in Systems Engineering, Software Engineering, Computer Engineering, Electrical Engineering, or related technical discipline with 5–8 years of experience in systems engineering, software engineering, embedded systems, or integration environments.
Experience decomposing system requirements into software-level requirements.
Experience creating verification plans, descriptions, procedures, or acceptance criteria.
Strong understanding of embedded systems and software development lifecycles.
Experience with hardware/software interfaces and communication protocols.
Ability to interpret and apply system-level CONOPS to engineering execution.
Programming Languages: Python, C++, C, Java, Bash, or similar.
Development Tools: Git, IDEs, debuggers, CI/CD platforms.
Operating Systems: Linux, Windows, Unix.
Protocols/Interfaces: TCP/IP, UDP, Serial, USB, Ethernet, APIs.
Other Tools: Requirements tools, issue tracking systems, automated test tools.

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

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.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

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