Full-Time

Guidance, Navigation, and Control Engineer

Axiom Space

Axiom Space

501-1,000 employees

End-to-end human spaceflight missions and infrastructure

No salary listed

No H1B Sponsorship

Houston, TX, USA

In Person

US Citizenship Required

Bachelor's

Category
Aerospace Engineering (1)
Required Skills
Agile
Python
Software Testing
Git
MATLAB
Quality Assurance (QA)
C/C++
DevOps
Linux/Unix

Get referred to Axiom Space

See people who can refer or advise you

Requirements
  • A Bachelor's degree in Aerospace Engineering or another related technical degree is required.
  • Four to nine years of experience, or an equivalent combination of education and experience, is required.
  • Experience developing six-degree-of-freedom Monte Carlo simulations of aerospace vehicles.
  • Proficiency with C++, MATLAB, and/or Python.
  • Development experience in a Linux environment.
  • Experience with software-in-the-loop and hardware-in-the-loop development, analysis, and testing.
  • Experience validating simulation models, including sensor and actuator models.
  • A broad understanding of guidance, navigation, and control technology domains.
  • Experience with Git continuous integration and continuous delivery and pipeline development or maintenance.
  • The ability to complete a U.S. government background investigation.
  • Proof of U.S. citizenship or U.S. permanent residency is required.
  • Willingness to work evenings and weekends as needed to meet critical project milestones.
  • Ability to deliver high-quality results under tight deadlines.
  • Ability to collaborate within teams and cross-functionally.
  • Excellent written and verbal communication skills.
Responsibilities
  • Design, analyze, and implement guidance, navigation, and control algorithms and simulations for aerospace vehicles.
  • Maintain and develop analysis tools, regression test scenarios, Monte Carlo frameworks, and simulation architecture.
  • Perform six-degree-of-freedom modeling, simulation, and performance analysis to evaluate system behavior under nominal and off-nominal conditions.
  • Build high-fidelity dynamic models of vehicles, sensors, actuators, and environmental models.
  • Conduct Monte Carlo analyses and sensitivity studies to validate robustness and reliability.
  • Validate simulation models against test data and engineering expectations.
  • Use C++, Python, and MATLAB or similar programming languages to develop simulations.
  • Collaborate with embedded software teams to integrate, test, and verify guidance, navigation, and control functionality on hardware-in-the-loop systems.
  • Support development of requirements, interface definitions, and verification plans for flight software.
  • Plan and execute verification and validation activities, including unit tests, software-in-the-loop and hardware-in-the-loop testing, and integrated system tests.
  • Analyze flight test or mission data to assess guidance, navigation, and control performance and identify areas for improvement.
  • Support troubleshooting and root-cause analysis for anomalies observed during testing or operations.
  • Work with hardware teams to define performance requirements and ensure compatibility with the guidance, navigation, and control architecture.
  • Contribute to system-level design reviews, requirements development, and architecture decisions.
  • Collaborate with propulsion, avionics, structures, and mission operations teams to align guidance, navigation, and control solutions with the overall vehicle design.
  • Provide technical leadership on sub-projects, mentor junior engineers, and support design trade studies.
  • Prepare technical reports, design documentation, test plans, and analysis summaries for internal and external stakeholders.
  • Present findings at design reviews, customer meetings, and cross-disciplinary engineering forums.
  • Ensure compliance with aerospace standards, safety requirements, and certification processes.
  • Communicate project progress, status, and potential issues to stakeholders and leadership.
  • Implement and maintain agile project management methodologies throughout the project lifecycle.
Desired Qualifications
  • Experience with NASA's Trick simulation framework and JSC Engineering Orbital Mechanics (JEOD).

Axiom Space provides human spaceflight services and space infrastructure development. It conducts missions to the International Space Station (ISS) and is building the Axiom Station as a commercial destination in low-Earth orbit. The company also designs and develops next-generation spacesuits (Extravehicular Mobility Units) for use in space. Its clients include private individuals and national astronauts, and it offers end-to-end space missions that cover training, launch, stay, and return. Revenue comes from charging for missions and future sales of spacesuits and other space-related infrastructure. Axiom Space collaborates with NASA and Thales Alenia Space and aims to create the world's first commercial space station, expanding how humans live and work in space with a mission to advance civilization.

Company Size

501-1,000

Company Stage

Late Stage VC

Total Funding

$1.2B

Headquarters

Houston, Texas

Founded

2016

Get referred to Axiom Space

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • Axiom closed more than $525 million on June 4, 2026, with MUFG joining.
  • Renato Krpoun's August 4, 2026 hire deepens European government access from Lucerne.
  • Prada's 2028 Artemis IV garment collaboration widens Axiom's premium brand and NASA visibility.

What critics are saying

  • NASA and Axiom postponed Ax-4 indefinitely on June 5, 2026 after ISS leak concerns.
  • Axiom's first station module slipped from 2026 to early 2028, compressing revenue recognition.
  • SpaceX remains Axiom's launch dependency; any Falcon 9 schedule slip freezes missions and station assembly.

What makes Axiom Space unique

  • Axiom bundles crewed missions, station modules, and suits under one commercial platform.
  • NASA's $1.26 billion xEVAS contract anchors Axiom's suit business through Artemis.
  • Ax-4 sent India, Poland, and Hungary back to orbit on June 26, 2026.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Flexible Work Hours

Hybrid Work Options

Growth & Insights and Company News

Headcount

6 month growth

-2%

1 year growth

-2%

2 year growth

-2%
GovConExec International
Aug 5th, 2026
Renato Krpoun named Axiom Space EMEA operations chief & Switzerland subsidiary head.

Renato Krpoun named Axiom Space EMEA operations chief & Switzerland subsidiary head. * Renato Krpoun will lead Axiom Space's operations across Europe, the Middle East and Africa from the company's new Swiss subsidiary * Krpoun will also serve as head of the Axiom Space Switzerland subsidiary * He will oversee regional market engagement, regulatory matters and relationships with government, industry and institutional partners What role will Krpoun hold at Axiom Space? The Houston-based human space exploration company said Tuesday Krpoun will spearhead operational activities in EMEA from Lucerne, Switzerland. His responsibilities include overseeing market engagement strategies, regulatory compliance efforts and relationships with governments, institutions and industry stakeholders. In addition, he will serve as a senior liaison connecting Axiom Space with the European Space Agency, government customers and commercial partners. Jonathan Cirtain, CEO and president of Axiom Space, said Krpoun will provide regional leadership as the company pursues international partnerships and expands access to low-Earth orbit opportunities for institutions and government organizations. Axiom Space established Axiom Space Switzerland in June to strengthen collaboration with the ESA, its member nations and the region's research and industrial sectors. The Lucerne-based subsidiary is intended to support long-term engagement with European governments, industry partners and academic institutions. What experience does Krpoun bring? Krpoun brings more than 15 years of experience in space policy and business leadership. He most recently chaired the ESA Council at the delegate level and spent about 10 years as head of the Swiss Space Office within Switzerland's State Secretariat for Education, Research and Innovation, where he directed national and international space policy, strategy, legal affairs and investments in space research and development. He also held engineering and project management roles at RUAG International, now Beyond Gravity, where he helped establish the company's composites production facility in Decatur, Alabama, through a partnership with United Launch Alliance.

Venture5
Jul 25th, 2026
The angel check that turned into a space company.

The angel check that turned into a space company. By John Gannon | 07/24/2026 Tej Bhatia and I go back to 1999, when Venture5 Media were fresh out of college, working at the same dot-com company in New York. Venture5 Media has stayed close ever since, through his first angel investment in a space company, his run as CEO of that same company, and now his new venture, Nebex, which has been backed by the likes of Google Ventures, Eniac, and Better Tomorrow Ventures. But his fascination with space goes back even further than any of that. I sat down with him to get the story behind it all. "My fascination with space started when I was young, like three years old. It was more than a fascination, it was an obsession. But daydreams, not something real." In this interview, Tej breaks down why Nebex is built as an exchange and not a marketplace, walks through a $138 billion market that still runs largely on barter, and explains why he brought his executive coach on as a co-founder before he brought on a single investor. He also gets into the exact moment, on his fourth mission as Axiom's CEO, when he realized he was playing with house money. The angel check that became a career. Tej and I met through Pitch and Run, a running group that started in New York and has since gone nationwide. During the pandemic, when the group got tight-knit from socially distanced runs, Tej told me he was about to make his first angel investment ever, in a space company called Axiom Space. He didn't have much of a framework for it. As he put it: "I don't really have a thesis besides I think space is cool." Axiom called him post-COVID for advice on go-to-market and revenue. That advisory role turned into something bigger. "What started as a small angel investment in a company turned out to be a full-time job." Tej quit his job at Google to become Axiom's Chief Revenue Officer, working deals ranging from $50 million to $150 million with sovereign governments, deals that operated at the level of presidents, prime ministers, and ministers of agencies he didn't know existed before he took the job. He describes himself as unconventional for the role, a founder type dropped into a sector he knew nothing about. "It turns out I'm a pretty good CRO when it comes to zero to one deals that have never happened before." That approach got him promoted to CEO of Axiom, a multi-billion-dollar space company, where he helped bring in a billion dollars in revenue in three years, a pace the space industry had rarely seen outside of SpaceX and Starlink. He left Axiom last October and started what would become Nebex soon after. Why he calls it an exchange, not a marketplace. I asked Tej to walk me through what Nebex actually does, and he stopped me on the word "marketplace." "We've honed in on the word 'exchange' as opposed to 'marketplace.'" Nebex is built around three parties in every transaction: * a buyer * a seller * capital market(s) It makes money on all three sides of a deal. Nearly every transaction in the space industry crosses national borders, whether that's a European government buying commercial launch capacity or a prime contractor sourcing a subcontractor overseas. That creates friction most other industries solved long ago: import-export regulations, tariffs, industrial return requirements, and geopolitics. Historically, space agencies dealt with that friction by bartering instead of using money directly. "A barter system only works if one side needs what the other side has and vice versa at exactly the same time. That has never existed in human history, literally never." Nebex positions itself as a neutral third party that can see every transaction happening across the market at once, not just one bilateral deal at a time, and structure what Tej calls "match book transactions," borrowing a page from merchant banking to make sure the timing of money works even when a direct trade doesn't. The platform is heavily AI-driven, and GV is Nebex's primary investor alongside a handful of AI-focused funds. The company raised an unusually large seed round for either space or fintech, and Tej said that size was intentional given what the exchange needs to do from day one. A $138 billion market stuck in a time warp. Human spaceflight is the part of the business Tej is best known for, and it's a small fraction of the actual space market. "Human spaceflight... is the sexiest part. It's the most critiqued part because it's the most visible, but it's less than a percent of the entire market." Governments spend $138 billion a year on space overall, and most of that has nothing to do with astronauts. Tej argues the financial infrastructure around that spending hasn't caught up to how business gets done anywhere else. "Every single one of these buildings cost way more than what a space station would cost to build... You're telling me we can't put up space stations?" He used SpaceX as the clearest example. If a European country needs to buy launch capacity, policy in some cases prevents money from simply crossing the Atlantic. Historically, agencies like the European Space Agency and NASA handled that through value-in-kind barter arrangements rather than direct payment. A commercial company doesn't have that option. Nebex's pitch is that it can step in as the trusted counterparty that lets a real transaction happen instead of a barter workaround. Coaching, built into the company from day zero. Nebex's team page lists a colleague named Wilson Kriegel with the title Behavioral Organization. Next to a roster of space and finance executives, it looks out of place. That's until you learn that Wilson is Tej's executive coach. "Wilson is our coach, and we have embedded coaching into the company from day zero." Tej and Wilson met decades ago, back when Tej was working at ESPN around 2002. They lost touch and reconnected years later through Pitch and Run, eventually realizing they'd worked together long before. About a year before Nebex existed, while Tej was CRO at Axiom, he asked Wilson to become his executive coach, not for startup advice specifically, but because he wanted the kind of coaching an athlete gets, support with recovery and rest, not just results. "A professional athlete would have a coach. Why wouldn't a professional business person have one?" His co-founder, Anand Subramanian, built Context Web in the late 90s, the first ad exchange alongside DoubleClick, and later built Nimble TV. He's also a trained aerospace engineer, which makes him a natural fit for Nebex twice over. Tej and Anand made a deliberate choice to bring Wilson on as a co-founder before they signed a term sheet or brought on outside investment, precisely because they'd both seen how fast co-founder relationships can fracture. "Even if we're aligned 99% of the time, that 1% of misalignment can go like this very quickly." Tej has written more about how he thinks about working style, psychological safety, and leadership on his own Medium page, in a post he calls a user guide to working with him. It predates Nebex, but it's a good window into the kind of self-awareness that led him to build coaching into the company from the start rather than bolt it on later. Playing with house money. "Anything I do from this point forward in the game of purpose is going to be playing with house money." Tej told me about a specific moment that changed how he thinks about everything he's built. It happened after Axiom's fourth crewed mission, the first three of which he'd worked as CRO before becoming CEO. That mission sent India's first astronaut to the International Space Station, under Tej's watch as CEO. He didn't fully register the significance of it, being the first person of Indian descent to lead a space company while sending up India's first astronaut, until the crew was safely back on the ground. "This is 45 years in the making. This is that moment when I was three years old and I recognized my calling." That's the moment that put him in what he calls house money territory, the sense that everything from here is bonus. The full conversation covers more ground, including his first three startups and why none of them had a coach in the room, what its mutual friend Jerry Colonna has to do with all of this, and the answer he gave me when I asked what he wants to tell his grandkids about Nebex someday. Watch it above.

Orbital Today
Jul 8th, 2026
Google Ventures fund Nebex space exchange venture by former Axiom Space execs.

Google Ventures fund Nebex space exchange venture by former Axiom Space execs. 8 July 2026 Former CEO of Axiom Space Tejpaul Bhatia - a person with Indian roots- is back as an entrepreneur. This time he and Anand Subramanian-also with Indian roots- have founded Nebex a platform/marketplace/exchange focussed on space sector to bring together buyers, sellers and capital. Nebex is named after the Nebra Sky Disk, which is one of the oldest astronomical devices in the world. Nebex has raised $30 million in seed funding from Google Ventures (GV), the venture fund arm of Alphabet. GV was founded in 2009 and has many people with Indian names. Interestingly, Bhatia was also a former executive of Google. According to GV, Bhatia and his team are building market infrastructure for the global space economy, helping sovereign, commercial, and financial participants source globally, execute confidently, and build space programs faster. As rocket launches become more frequent and reliable, CEO and Co-founder Tejpaul Bhatia sees a broader economy beginning to take shape. He and his co-founders, Subramanian and Manlio Di Stefano bring deep, hands-on experience in commercial space, including c-suite roles at Axiom Space and have worked across complex sovereign and commercial space initiatives, GV said. Nebex is focused on building the commercial rails to help that market grow with greater speed, order, and transparency. Orbital Today is excited to support them as they build what's next for the global space economy. Earlier as a founder and executive, Bhatia led start-ups, namely Explain Everything, Chatwala, and Kaptur, and was an early pioneer in modern-day video streaming at ESPN, where he spearheaded the company's international digital expansion across the United States, Mexico, Brazil, and Europe. Born in the US to parents who had emigrated from India years ago, Bhatia holds a bachelor's degree in computer science from Columbia University. He has served in non-profit leadership and board positions at the Make-A-Wish Foundation and the Startup Leadership Programme. Bhatia lives in New York with his wife and son. "I've been inspired by space exploration since childhood, and leading Axiom Space at this critical inflection point in human spaceflight is the realization of a lifelong ambition," Bhatia had commented when he became the head honcho of Axiom Space. Bhatia brings more than two decades of experience as a seasoned technology and business leader and founder of three investor-backed start-ups with two acquisitions under his belt. Bhatia joined Axiom Space from Google, where he led strategic narrative and ecosystem management for Google Cloud, engaging Fortune 100 executives, venture capital firms, and start-up founders, supporting over $4 billion in sales pipeline. On the other hand, Nebex's Chief Operating Officer and Co-founder Subramanian is a B.Tech. Graduate from the prestigious Indian Institute of Technology (IIT), Bombay. In the early 1990s Subramanian had built and ran a successful healthcare software business in Bombay, India. Later in the US he founded Nimble TV which was acquired by Synacor Inc in 2015. Some years later he joined Axiom Space as its Chief Growth Officer. Last updated: 8th Jul 2026 Published by Venkatachari Jagannathan V.Jagannathan (Byline Venkatachari Jagannathan), is a freelance journalist based in Chennai, India covering the country's space, nuclear, insurance, automobile and several other industries. Jagannathan was with IANS newswire, one of India's premier news agencies and his articles - news, news analysis, interviews, profiles and others- on various sectors were published in several leading print, online publications within and outside India. He was also with India's first online business magazine www.domain-b.com. A school and college chess player Jagannathan also writes about Indian chess and has covered World Chess Championships, Chess Olympiads and others. Space 8 July 2026

Axiom Space
Jul 3rd, 2026
Axiom Space Closed Oversubscribed Financing at $525M+

Jun 04, 2026 - Opportunistic Upsize Reflected Continued Investor Demand Following February Capital Raise

Associated Press
Jun 25th, 2026
Axiom Space and Prada design new spacesuit for Artemis IV moon landing

Axiom Space and Prada have partnered to design spacesuits for Artemis IV astronauts' anticipated moon landing. Seamstresses in Houston are currently producing the suits for this and future space missions. The collaboration between the aerospace company and luxury fashion house represents a new approach to spacesuit development for NASA's Artemis programme, which aims to return humans to the lunar surface.