Full-Time

Senior Linux Administrator

Updated on 9/4/2026

Sierra Space

Sierra Space

1,001-5,000 employees

LEO space transportation, habitats, satellites

Compensation Overview

$135.9k - $186.8k/yr

Centennial, CO, USA + 1 more

More locations: Louisville, CO, USA

In Person

Bachelor's

Category
IT Operations (1)
Required Skills
Chef
Kubernetes
Microsoft Azure
Puppet
Computer Networking
Docker
AWS
Jenkins
Ansible
DevOps
Linux/Unix

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Requirements
  • A Bachelor's degree in a related field, equivalent work experience in lieu of a degree, or a Master's degree plus six years of experience.
  • Typically 8+ years of related experience.
  • Advanced knowledge of systems administration and at least three years of experience with cloud computing platforms such as Amazon Web Services or Azure.
  • Expertise in designing and implementing scalable and secure infrastructure.
  • Experience with advanced security technologies and practices.
  • Knowledge of information technology project management methodologies.
  • Ability to lead and mentor junior system administrators.
  • Strong interpersonal and communication skills, including the ability to write proposals or papers, act as a vendor liaison, make presentations to customer, client, or professional peer audiences, and work closely with upper management.
  • Ability to solve problems quickly and automate processes.
  • Expertise with an operating system, including paging and swapping, inter-process communications, devices and device drivers, file system concepts such as inodes, clustering, and logical partitions, and performance analysis for system tuning.
  • Understanding of networking and distributed computing environment concepts, including routing, bridging and switching, client/server programming, and consistent network-wide filesystem layout design.
Responsibilities
  • Design, implement, and maintain scalable and secure information technology infrastructure.
  • Manage and optimize cloud computing platforms such as Amazon Web Services or Azure.
  • Implement advanced security technologies and practices to protect company data and systems.
  • Lead information technology projects using established project management methodologies.
  • Provide technical leadership and mentorship to junior system administrators.
  • Develop and maintain automation scripts to streamline information technology processes and improve efficiency.
  • Perform advanced systems administration tasks, including performance tuning and system optimization.
  • Use performance analysis tools to monitor and improve system performance.
  • Manage and troubleshoot complex networking and distributed computing environments.
  • Collaborate with cross-functional teams to support information technology projects and initiatives.
  • Write proposals, technical papers, and documentation for internal and external stakeholders.
  • Act as a vendor liaison.
  • Represent the company in presentations to customers, clients, and professional peers.
  • Stay current with industry trends and emerging technologies.
Desired Qualifications
  • Advanced certifications in relevant information technology fields, such as AWS Certified Solutions Architect or Microsoft Certified: Azure Solutions Architect Expert.
  • Experience with DevOps practices and tools such as Docker, Kubernetes, and Jenkins.
  • Proficiency in advanced scripting and automation tools such as Ansible, Puppet, and Chef.
  • Strong analytical and problem-solving skills.
  • Excellent communication and interpersonal skills.
  • Ability to work independently and as part of a team.
  • Strong organizational skills and attention to detail.

Sierra Space provides a space-as-a-service platform in low-Earth orbit with three main divisions: Transportation (Dream Chaser spaceplane), Destinations (LIFE inflatable habitat), and Applications (satellite buses such as Velocity, Horizon, and Titan) for government and commercial customers, including NASA and the DoD. Dream Chaser is a reusable lifting-body spaceplane that carries cargo (and future crew), launches with a detachable Shooting Star module, and can land on conventional runways for rapid cargo access. The LIFE habitat is an inflatable, three-story module that can operate in LEO, on the Moon, or for Mars missions and feeds into the Orbital Reef commercial space station concept with Blue Origin. The company aims to enable a growing LEO economy by delivering integrated space infrastructure and services—transportation, habitats, and satellite platforms—for government missions, commercial activity, and secure national space capabilities.

Company Size

1,001-5,000

Company Stage

Series C

Total Funding

$2.3B

Headquarters

Louisville, Colorado

Founded

2021

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Simplify Jobs

Simplify's Take

What believers are saying

  • March 2026’s $550 million Series C lifted valuation to $8 billion.
  • June 2026 CFO Jeff Schrader and government-relations hire Jill Pomeroy sharpen execution.
  • SDA Tranche 3 tracking contracts and Leidos sensors validate Sierra Space’s defense pipeline.

What critics are saying

  • Dream Chaser’s first flight shifted to a late-2026 free-flyer after NASA rebaselining.
  • A failed Tenacity demo would freeze crew ambitions and weaken Sierra Space’s launch narrative.
  • Revenue concentration in SDA and classified customers leaves procurement cuts immediately painful.

What makes Sierra Space unique

  • Dream Chaser’s runway landing and 1.5g return stay unmatched in commercial space.
  • Sierra Space combines spacecraft, satellites, and subsystems under one defense-tech supplier umbrella.
  • John Shaw and Dan Jablonsky deepen national security credibility with Pentagon and NASA buyers.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

401(k) Retirement Plan

401(k) Company Match

Paid Vacation

Growth & Insights and Company News

Headcount

6 month growth

-1%

1 year growth

-3%

2 year growth

-1%
PR Newswire
Sep 2nd, 2026
Sierra Space secures national security and commercial contracts for Dream Chaser's inaugural flight

Sierra Space has secured contracts with undisclosed national security and commercial customers to carry payloads on Dream Chaser's inaugural flight. The reusable spaceplane will serve national security, commercial, and civil customers through NASA's Cargo Resupply Services programme on a single mission. Dream Chaser is the only commercial spaceplane capable of returning cargo from orbit at less than 1.5g and landing on any 737-capable runway. Its unique pressurized volume and controlled runway return allow customers to fly hardware with partial space certification rather than full environmental qualification, reducing development costs. The spacecraft will launch from Kennedy Space Center, conduct multiday orbital operations, and land at Vandenberg Space Force Base. Sierra Space is finalising the manifest with defence, civil, and commercial payloads for the mission.

PR Newswire
Aug 3rd, 2026
Leidos to supply flight-proven infrared sensors to Sierra Space for 18 missile defence satellites

Sierra Space has selected Leidos to provide infrared sensing payloads for 18 missile warning and tracking satellites as part of the Accelerated Missile Defense Tranche 3 (AMDT3) Tracking Layer programme. The satellites will detect and track hypersonic and other advanced missile threats from low Earth orbit. Leidos' payloads combine infrared sensing with onboard digital signal processing, enabling mission-relevant tracking data to be generated directly aboard the satellite. The company will also provide ground support equipment and operations support throughout the programme. The award extends Leidos' contributions across Space Development Agency tranches 0, 1, and 2. The company's four Tranche 0 payloads have operated successfully since 2023, and it is delivering 14 sensors for Tranche 1 and 16 for Tranche 2.

Logicity
Aug 1st, 2026
Exploration Company in talks for $2bn round led by Bessemer, Atomico.

Exploration Company in talks for $2bn round led by Bessemer, Atomico. Advertisements The Exploration Company, a Franco-German startup building reusable space capsules, is in advanced talks for a funding round that would value the company at roughly $2 billion post-money. Bessemer Venture Partners and Atomico are negotiating to co-lead the round, which is expected to raise approximately $254 million. The deal would mark one of Europe's largest space-tech rounds this year and position the Munich-headquartered company alongside a handful of private space ventures commanding multi-billion-dollar valuations. $2 billion Target post-money valuation for The Exploration Company's current funding round Advertisements What Logicity know about the round. The company has previously raised around $550 million in total funding. This round would push cumulative investment past $800 million and give The Exploration Company firepower to accelerate development of its Nyx capsule system, designed for orbital and suborbital cargo transport. Existing backers include Heartcore Capital, Plural Platform, Balderton, and the European Innovation Council's venture arm. The EIC's European Space Fund, backed by EIF, has been competing to participate in the round alongside the new lead investors. Founded in 2021 by CEO Hélène Huby, the company has built its thesis around reusable capsule technology that can return payloads to Earth. It secured a €770 million contract in late 2023 and announced headquarters in the US with a facility set up in Brownsville, Texas, signaling ambitions beyond the European market. Why Bessemer and Atomico are betting on space now. European space investment has lagged behind the US, where SpaceX dominates launch and Rocket Lab has carved out a significant niche. But recent movement in European defense spending and a push for sovereign launch capability have created tailwinds for homegrown players. Atomico has been building exposure to capital-intensive deep tech, while Bessemer has a long history in space through investments in Rocket Lab and Planet Labs. Their joint lead suggests conviction that The Exploration Company can compete globally, not just serve European institutional customers. The timing aligns with broader European government efforts to reduce reliance on US launch providers. French and German space agencies have signaled interest in supporting reusable capsule development for science missions and satellite servicing. Advertisements The competitive picture. The Exploration Company's funding trail mirrors other European deep-tech raises. Isar Aerospace, another German space startup, raised €165 million last year. Swedish satellite company Ovzon closed a €2 billion deal earlier this year. The company is part of a cohort trying to prove that Europe can build space infrastructure at scale. In the US, Sierra Space is developing the Dream Chaser spaceplane for cargo missions. The Exploration Company's Nyx capsule targets a different form factor but competes for similar commercial and government contracts. Logicity's take. A $2 billion valuation for a pre-revenue space capsule company is aggressive, but Bessemer and Atomico are not writing checks on vibes alone. The real signal here is that major VCs now see a path to returns in European space beyond government grants. For founders in adjacent hardware sectors, watch whether this round closes at the reported terms. If it does, it raises the ceiling for what European deep-tech startups can command. What happens next. The round is not yet closed. Terms could shift, and the final investor syndicate may include additional participants from the EIC or sovereign funds. If the deal lands near the reported $2 billion mark, The Exploration Company will become one of Europe's most valuable private space companies. The next milestone to watch: whether Nyx reaches orbit on schedule. Hardware startups at this valuation live or die by technical execution, and investors will want proof that the capsule can perform before any talk of a follow-on round. Need help implementing this? Logicity helps founders track funding trends and identify comparable deals for benchmarking. Reach out to its research team if you're raising and need market context. Advertisements Huma Shazia Senior AI & Tech Writer Produced with AI assistance and reviewed by the Logicity editorial team. Learn more in its Editorial Policy.

Yahoo Finance
Jul 3rd, 2026
Papa Johns CFO joins American Eagle Outfitters, Comcast ex-CFO to lead company after split

Papa Johns CFO Ravi Thanawala is leaving to become chief financial officer of American Eagle Outfitters. Chris Collins, SVP of corporate finance, will serve as interim CFO whilst the company searches for a permanent replacement. Comcast's former CFO Michael Angelakis will become CEO as part of a planned split between its media and technology businesses. Angelakis served as CFO from 2008 to 2015 before founding investment firm Atairos. Greggs CFO Richard Hutton is retiring after 28 years with the UK bakery chain. Ben Waldron will join as CFO designate in October and assume the role from January 2027. Waldron spent 14 years at Bakkavor Group, most recently as CFO. Defence-tech space firm Sierra Space appointed Jeff Schrader as CFO from his role as chief strategy officer.

Sierra Space
Jun 30th, 2026
Sierra Space names Jeff Schrader chief financial officer.

Sierra Space names Jeff Schrader chief financial officer. * June 30, 2026 * | News LOUISVILLE, Colo. - June 30, 2026 - Sierra Space Corp. ("Sierra Space"), a defense-tech space company delivering solutions for the nation's most critical missions and advancing the future of security in space, announced today the appointment of Jeff Schrader as chief financial officer. Schrader, who joined Sierra Space earlier this year as chief strategy officer, will now lead the company's financial strategy, capital planning and enterprise execution priorities as Sierra Space advances its next phase of growth. "Our nation depends on us to execute and deliver," said Dan Jablonsky, CEO of Sierra Space. "Jeff has a proven record in business and financial leadership, deep national security expertise, strategic insight and is the right leader for this role at a pivotal moment for the company. He has spent more than 25 years providing leadership on national security missions - from the U.S. Air Force to RTX to Lockheed Martin Space - and he brings that full capability to bear as CFO to help us scale mission performance, allocate capital with precision, and deliver on our customers' highest priorities." Schrader began his career as a U.S. Air Force financial analyst, advancing to chief financial officer for special programs and later the Air Force Rapid Capabilities Office. He held P&L responsibility as president of SEAKR Engineering and Blue Canyon Technologies, overseeing a combined workforce of more than 1,000 employees, and guided corporate development, M&A strategy and capital-efficient growth across complex aerospace and defense organizations. Before joining Sierra Space, Schrader served as vice president of strategy and business development at Lockheed Martin Space, where he supported a $13 billion business area. "I'm honored to step into this role at such an exciting time for Sierra Space," said Schrader. "Over the past few months, I've seen firsthand the strength of our portfolio. Both of our business areas - Satellites and Spacecraft Missions, and Space Subsystems - have significant differentiators and I am impressed by the caliber of our team. The opportunities ahead of us are significant. I'm energized by the chance to help shape our financial strategy and capital planning in service of the missions we support, ensuring Sierra Space is positioned to scale efficiently, invest wisely, and deliver exceptional value to our customers." With this appointment, and the recent announcement of Jill Pomeroy as senior vice president of government relations, Sierra Space continues to strengthen its leadership team to support critical customer missions across the defense and commercial space markets. About Sierra Space Headquartered in Colorado, Sierra Space is an industry-leading defense-tech space company. Sierra Space Corporation design, manufacture, and deliver satellites, spacecraft and space subsystems including reusable spaceplanes, hypersonic technologies, propulsion systems, and infrastructure for the nation's most critical missions. With more than three decades of space flight heritage, expansive classified and unclassified infrastructure and disruptive cutting-edge technology, Sierra Space is trusted by National Security, civil and commercial customers. Its flight-proven technologies advance its customers' missions, including safeguarding its nation, protecting space-based assets, and enabling the next generation of space exploration and economic development. Sierra Space is dedicated to defining the new era of space defense, strengthening deterrence today and preserving freedom of action for generations to come. MEDIA CONTACT: [email protected]