Muon Space

Senior Security Engineer

Muon Space · San Jose, CA

Posted about 3 months ago · $184,000 - $208,000

or apply directly on Muon Space's site. We never take the application ourselves.

Is this posting real?

This role has been open
82 days
Muon Space's roles stay open a median of 78 days
Reposted
No
Salary listed
Yes
88% of Muon Space's roles list one
Ghost-job risk at Muon Space
high
113 stale, 2 reposted of 115 open
Hiring momentum
131 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-24

Measured from postings appearing on and disappearing from Muon Space's own greenhouse board since 2026-08-03. Full hiring picture for Muon Space.

About this role

Muon is looking for a Senior Security Engineer to enhance their security posture across various domains including endpoints, networks, and cloud environments. The role involves designing and managing security solutions, leading vulnerability management, administering IAM systems, and ensuring compliance with frameworks like NIST 800-171. The position is hybrid, requiring three days in the San Jose office or can be fully remote from an approved U.S. location.

Our read on this posting3.8out of 5
benefits
5/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Muon Space as an employer.

What you need

  • 5+ years of experience in information security or security engineering roles
  • Strong hands-on experience with endpoint detection and response platforms (CrowdStrike, SentinelOne, or similar)
  • Demonstrated experience managing enterprise vulnerability scanning tools (Tenable, Qualys, Rapid7, or similar)
  • Deep understanding of identity and access management principles and hands-on Okta or Azure AD administration
  • Proficiency with cloud security in AWS (IAM, VPC, Security Groups, CloudTrail, GuardDuty, Config)
  • Experience with SIEM platforms (Splunk, Sentinel, Elastic, or similar) for log analysis and detection engineering

Nice to have

  • Relevant certifications (CISSP, GIAC, CEH, AWS Security Specialty, or similar)
  • Experience with infrastructure-as-code security (Terraform, CloudFormation) and CI/CD pipeline security
  • Background in environments subject to ITAR/EAR export control requirements

What you get

  • Salary range of $193,000 - $218,000
  • Competitive equity grant
  • Comprehensive benefits package including medical, dental, and vision insurance
  • 401k retirement plan
  • Short & long term disability and life insurance
  • Three weeks paid vacation for new employees

Worth weighing

  • Hybrid work model requires three days on-site in San Jose, CA
  • Position involves handling export controlled information, requiring U.S. citizenship or eligibility for export authorization

Summarised from Muon Space's posting. Read the full original.

Listed by Muon Space on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.

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