Jobs in the United States

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Added 3 mins ago
Test Engineering Technician II
Jabil Inc.
Florence, KY
· Supports the Test Engineer in the development and commission of test solutions executing the test qualification of the fixture and program as per the specific system qualification process.
Added 8 mins ago
Account Manager II
Arrow Electronics
Hawi, HI
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 9 mins ago
T
Cyber Countermeasure Specialist
TEKsystems
Honolulu, HI
- $60 to $65 USD / hour
Engineer, deploy, validate, and maintain defensive cyber countermeasures and detection capabilities.
Added 10 mins ago
Infrastructure Engineer II
Info Image
Coppell, TX
The Infrastructure Engineer II is a senior-level role responsible for owning, optimizing, and advancing enterprise infrastructure systems. This position goes beyond day-to-day operations…
Added 13 mins ago
M
Software Engineer II, MSVC Rust Compiler - CoreAI
Microsoft
WA · Redmond, WA · Redmond
- $102,100 to $219,200 USD / year
Added 14 mins ago
M
Software Engineer II
Microsoft
WA · Redmond, WA · Redmond
- $102,100 to $219,200 USD / year
As a Software Engineer II in Agentic Engineering Productivity, you will build LLM-powered agents that turn intent into tested, reviewable changes, keep build pipelines and internal tools…
Added 14 mins ago
M
Software Engineering II - AI Compiler Engineer
Microsoft
United States
- $102,100 to $219,200 USD / year
We are seeking a Software Engineer II - AI Compiler Engineer to join the Maia Code-gen team. You will work on the fundamental mechanisms for building and deploying application code to…
Added 14 mins ago
Account Manager II
Arrow Electronics
Augusta, ME
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 24 mins ago
Engineer II-Sensor Test & Evaluation
Earthscope Consortium, Inc.
Socorro, NM
Job Title: Engineer II – Sensor Test and Evaluation
Added 34 mins ago
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Research Engineer II - Building Energy Analysis
Pacific Northwest National Laboratory
UNAVAILABLE · Richland, WA · Seattle, WA · Portland, OR
- $89,300 USD / year
The BS&DG is seeking a Research Engineer II - Building Energy Analysis with strong knowledge of building energy systems, programming and data analysis skills, and experience evaluating…
Added 38 mins ago
Account Manager II
Arrow Electronics
Lincoln, NE
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 43 mins ago
Account Manager II
Arrow Electronics
Providence, RI
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 47 mins ago
Account Manager II
Arrow Electronics
Reno, NV
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 47 mins ago
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Industrial Engineer II
Barnes & Noble Purchasing Inc
Reno, NV
- $95,000 to $110,000 USD / year
Added 55 mins ago
Account Manager II
Arrow Electronics
Kossuth, MS
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 55 mins ago
Manufacturing Engineer II
General Atomics
Tupelo, MS
Under close supervision, this position supports the manufacturing production process in the welding/fabrication area with focus on the design, development, and implementation of new or…
Added 1 hour ago
Lead Data Management Engineer II
Deloitte US
Nashville, TN
As a Lead Data Management Engineer II on the AI & Data team, you will be responsible for…
Added 1 hour ago
Security Architect
Odyssey Systems Consulting Group, Ltd.
Colorado Springs, CO
Compliance Frameworks: Map architectural designs directly to NIST, CMMC, and DISA STIG requirements to support the Authorization to Operate (ATO) process.
Added 1 hour ago
Nondestructive Testing Engineer, Plain City Services Team
Amazon
Plain City, OH
…for you. We are currently seeking a Nondestructive Testing Engineer to serve as a technical resource within Amazon data…
Added 1 hour ago
Account Manager II
Arrow Electronics
Kettering, OH
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 1 hour ago
Software Engineer II
JPMorgan Chase
Columbus, OH
As a Software Engineer III at JPMorganChase within the Legal Technology Data Management team, you serve as a seasoned member of an agile team to design and deliver trusted market-leading…
Added 1 hour ago
Manufacturing Engineer II (Onsite)
Collins Aerospace
Troy, OH
Assure manufacturing process, equipment, tooling, fixture design, routings, programming, and standard work in support of production requirements for chemical/special processing (Anodizing,…
Added 1 hour ago
Software Development Engineer II, Amazon Connect Customer
Amazon Development Center U.S., Inc.
Seattle, WA
- 1+ years of software development engineer or related occupational experience
Added 1 hour ago
Account Manager II
Arrow Electronics
Baton Rouge, LA
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 2 hours ago
K
Cybersecurity Engineer
Kentro
Springfield, VA
- $145,000 to $180,000 USD / year
Kentro is hiring for a Cybersecurity Engineer to support NGA Vertex Information Technology (IT) Services Task Order

Muon Space

Senior Security Engineer - General

San Jose, CA, United States

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Job details

Experience: 5+ years of experience in information security or security engineering roles
Posting language: English
Posted: Jul 31, 2026

Original job description

About the Role

Muon seeks a Senior Security Engineer to join our Security Engineering & IT team. The ideal candidate brings deep expertise across multiple security domains and can operate independently to protect Muon’s infrastructure, data, and people. You will own and advance our security posture across endpoints, networks, cloud environments, and identity systems while contributing to compliance efforts including NIST 800-171 and ITAR/EAR requirements.

This position is hybrid and requires working on-site in our San Jose, CA office three days per week or fully remote from an approved U.S. location.

Responsibilities

Design, deploy, and manage endpoint security solutions (EDR/XDR) across macOS and Windows fleets, including policy tuning, alert triage, and incident response
Own network security architecture including firewall rule management, IDS/IPS tuning, network segmentation, and VPN infrastructure
Lead vulnerability management program - run scans, prioritize findings, coordinate remediation with engineering teams, and track closure metrics
Administer and harden IAM systems (Okta, AWS IAM) including SSO integrations, conditional access policies, privilege access reviews, and lifecycle automation
Develop and maintain security monitoring and alerting using SIEM platforms, building detection rules and response playbooks
Conduct security assessments of new tools, vendors, and architectural changes before deployment
Drive cloud security posture management across AWS environments including IAM policies, S3 bucket security, security group reviews, and CloudTrail/GuardDuty monitoring
Support CMMC Level 2 and NIST SP 800-171 compliance - maintain SSP control narratives, collect evidence, and prepare for assessments
Develop and deliver security awareness training and phishing simulation campaigns
Lead or support incident response activities including containment, forensic analysis, root cause determination, and post-incident reporting
Maintain and improve data loss prevention (DLP) controls for CUI and sensitive data
Contribute to security policy development and keep documentation current as the environment evolves

Qualifications

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
Solid networking knowledge - firewalls, proxies, DNS security, network segmentation, packet analysis
Familiarity with compliance frameworks such as NIST 800-171, CMMC, SOC 2, or ISO 27001
Excellent written and verbal communication skills - able to convey risk and technical findings to both engineers and leadership

Nice-to-Have Skills

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

Salary

The salary range for this role is $193,000 - $218,000, plus a competitive equity grant and comprehensive benefits package. Final compensation will be determined based on skills, qualifications, experience, and geographic location as assessed during the interview process. About Muon Space

Founded in 2021, Muon Space is an end-to-end Space Systems Provider that designs, builds, and operates LEO satellite constellations delivering mission-critical data. Our revolutionary, integrated technology stack enables customers to optimize every dimension of their missions for faster time-to-orbit and superior constellation remote sensing performance. Our state-of-the-art facility in the heart of Silicon Valley is optimized for manufacturing spacecraft and rapid, flexible payload integration at scale. From climate monitoring to national security, Muon Space is dedicated to delivering Earth Intelligence for a safer and more resilient world.

Taking Care of Our Team

At Muon salary is only part of our total compensation package. In addition to salary, full-time employees receive equity compensation as well as benefits including medical, dental, and vision insurance, a 401k retirement plan, short & long term disability and life insurance. We also offer three weeks paid vacation for new employees, along with 12 paid holidays, unlimited sick time and paid parental leave.

Our mission embraces the entire planet and we believe our team should too. Muon is dedicated to creating a diverse and dynamic company and workforce. We believe in equal employment opportunity regardless of race, color, ancestry, religion, sex, age, national origin, citizenship, sexual orientation, marital status, disability, or gender identity. We value diversity in the workplace, and that starts with our applicants. We encourage you to apply, even if you don't check all the boxes, and we look forward to reviewing your application! In addition, if you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know.

Muon is currently registered and able to hire in the following states:

AL, AZ, CA, CO, CT, DC, FL, GA, IL, IA, ID, MD, MA, MI, MN, MO, NJ, NY, NC, OH, OR, PA, TN, TX, VT, VA, WA

ITAR/EAR Requirements

This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. The Company may, for legitimate business reasons, decline to pursue any export licensing process.

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More about this job

Skills

Regulatory compliance
Apple macOS
Microsoft Windows
Incident response
IDS
IPS
VPN
Identity and access management
AWS
SSP
Reporting
Loss prevention
Policy development
Documentation
Cybersecurity
Rapid7
Microsoft Azure
Splunk
DNS
Communication skills
Leadership
CISSP
Infrastructure as code
IBM Terraform
CI/CD

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