Sr. Security Engineer (Infrastructure)
The full posting
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.
SR. SECURITY ENGINEER (INFRASTRUCTURE)
SpaceX is looking for a Sr. Security Engineer (Infrastructure) to join Information Security to help protect and drive the SpaceX mission. Information drives our business. We must protect the confidentiality, integrity, and availability of systems and processes across the enterprise, and defend against loss of control or confidence in our systems.
RESPONSIBILITIES
- Design on-premises Kubernetes platforms that security services run on, and the compute, storage, and networking they depend on.
- Lead cluster lifecycle work, including upgrades, capacity, failure domains, and safe change.
- Build the automation other engineers use to provision, configure, and operate the platform.
- Set standards for how security services are deployed, hardened, and run on Kubernetes.
- Harden clusters and workloads, including RBAC, policy, secrets, and secure configuration.
- Respond to the hardest production incidents and drive them to a durable fix.
- Define the signals, alerts, and operational practices that keep the platform supportable.
- Document what you run, keep it working, and advise other teams on it.
- Find systemic gaps with security and IT, then ship platform and deployment changes that reduce risk.
- Deliver solutions that are scalable, repeatable, maintainable, and secure.
- Coordinate with information security, IT, software, and other partners.
BASIC QUALIFICATIONS
- Bachelor's degree in computer science or another STEM discipline; OR 2+ years of professional experience operating production infrastructure and high school diploma or equivalency certificate in lieu of a degree.
- 5+ years of experience operating on-premises Kubernetes in a production environment.
- 5+ years of experience with Linux system administration and with Python, Go, or another language used to automate infrastructure.
PREFERRED SKILLS AND EXPERIENCE
- Production Kubernetes at scale, including control plane, networking, storage, RBAC, and upgrades.
- Designing on-premises compute, storage, and network architectures for container platforms.
- Cluster and node hardening, admission control, and secure workload configuration.
- Infrastructure as code and configuration management.
- Python or Go for platform tooling and automation.
- Linux internals and troubleshooting.
- Observability, alerting, and operational readiness for production platforms.
- CI/CD or GitOps-style delivery onto Kubernetes.
- Capacity planning, failure domains, and recovery for on-premises platforms.
- TCP/IP at the level needed to build and debug cluster networking.
- Root-cause debugging under time pressure.
ADDITIONAL REQUIREMENTS
- Must be willing to work extended hours and/or weekends as needed.
- This role requires you to be onsite. Hybrid or remote work will not be considered.
ITAR REQUIREMENTS
- To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here .
SpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
Applicants wishing to view a copy of SpaceX’s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to EEOCompliance@spacex.com .
Text as SpaceX published it; last compared with the original on 11 Nov 2026.
The application
Your details and CV, then 13 questions.
- 1.Please specifyShort answer · optional
- 2.GPA (Undergraduate)Pick one (13 options)
- 3.GPA (Graduate)Pick one (13 options)
- 4.GPA (Doctorate)Pick one (13 options)
- 5.SAT ScorePick one (156 options)
- 6.ACT ScorePick one (19 options)
- 7.GRE ScorePick one (156 options)
- 8.Active Security Clearance(s)Pick any (8 options)
- 9.SpaceX & SpaceXAI Employment HistoryPick one
- 10.Can you perform all of the essential functions of this role with or without reasonable accommodations?Yes or no
- 11.Are you legally authorized to work in the United States?Pick one
- 12.Citizenship StatusPick one
- 13.If (f) Other, please explain:Short answer · optional
Taken from SpaceX's application form as it stood on 11 Nov 2026.
The employer: SpaceX
Builds rockets, spacecraft and the Starlink network; its security staff protect satellites, ground systems and classified Starshield programs.
Pay and benefits: Full-time, on-site roles paid in salary plus SpaceX stock; some posts require a Top Secret clearance.
Let security teams come to you
Security teams sometimes ask us directly for someone with a given specialty, clearance or certification. Join the candidate pool once and we put you forward when a brief matches, and only after you say yes. No cost to you.
Hear first when SpaceX posts a security role
We read SpaceX's careers system around the clock and send its new security roles in a weekly email, along with comparable openings at other employers. Free; leave whenever you like.