Jobs in the United States

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Added 6 mins ago
Network Security Engineer
nVent
Bangalore, IN
We are looking for a hands-on Network Security Engineer to operate, enhance, and support enterprise network segmentation and access-control solutions, with a focus on secure and reliable…
Added 6 mins ago
Area Engineer - Small Molecule Building - Lilly Medicine Foundry
Lilly
Lebanon, IN · Indianapolis, IN
The Area Engineer is the site Subject Matter Expert (SME) for the Small Molecules (SM) building and the associated ancillary systems within the FUME (Facilities, Utilities Maintenance &…
Added 6 mins ago
Network and Systems Engineer III – IT Solutions Implementor
Amentum
Indianapolis, IN
Under IT leadership guidance, evaluate program or project requirements and make appropriate technical recommendations.
Added 6 mins ago
Senior Coronary District Manager - Central North
Medtronic
Indianapolis, IN
Negotiating and resolving price and contract issues (with reps, accounts, regional management and home office personnel): 10%
Added 7 mins ago
C
Regional Maintenance Manager
CBRE
Indianapolis, IN
- $200,000 to $210,000 USD / year
The purpose of this position is to lead a large portfolio or client account and provide senior technical and operational support to the account staff for the development of policies and…
Added 20 mins ago
Cloud Engineer
Progress Rail Services Corp.
Albertville, AL
The Cloud Engineer is responsible for designing, implementing, administering, and optimizing enterprise cloud and DevOps platforms that support application delivery, infrastructure…
Added 21 mins ago
Aerospace Systems Engineer - Mission and Fault Management
Bevilacqua Research Corporation
Huntsville, AL
Present technical results and participate in discipline, project, and program-level reviews, including document reviews and issue resolution
Added 28 mins ago
Quality Engineer Associate
Lockheed Martin
Grand Prairie, TX · Grand Prairie
Applies quality principles in the areas of: design, incoming material, production control, product evaluation, program performance, reliability, inventory control, and/or research and…
Added 28 mins ago
Systems Engineer Stf - E4
Lockheed Martin
Owego, NY · Owego
Integration and Test Engineer / UAS Operator Staff
Added 28 mins ago
Asset Manager Systems Integration/Test Engineer
Lockheed Martin
Grand Prairie, TX · Grand Prairie
…searching for a highly motivated Systems Integration and Test Engineer to support a program's engineering systems integration, and system qualification team initiatives. This individual…
Added 32 mins ago
Software Quality Engineer - E2
Lockheed Martin
Orlando, FL · Orlando
…operating criteria to ensure implementation of the software quality program according to project, process and contract requirements and objectives. Designs and implements software…
Added 32 mins ago
Systems Engineer (E4)
Lockheed Martin
Orlando, FL · Orlando
Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all…
Added 33 mins ago
Senior Systems Engineer (E3)
Lockheed Martin
Orlando, FL · Orlando
Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all…
Added 33 mins ago
Mechanical Engineer Asc - Entry Level
Lockheed Martin
Englewood, CO · Englewood
This position is for a Mechanical Engineer Asc. whose responsibilities will focus on propulsion hardware and test coordination. Collaborating well in a team environment and having excellent…
Added 33 mins ago
Quality Engineer - E2
Lockheed Martin
Pinellas Park, FL · Pinellas Park
Applies quality principles in the areas of: design, incoming material, production control, product evaluation, program performance, reliability, inventory control, and/or research and…
Added 33 mins ago
Quality Engineer Sr - E3
Lockheed Martin
Pinellas Park, FL · Pinellas Park
Applies quality principles in the areas of: design, incoming material, production control, product evaluation, program performance, reliability, inventory control, and/or research and…
Added 33 mins ago
Embedded Software Engineer Intern - Summer 2027
Lockheed Martin
Huntsville, AL · Sunnyvale, CA · Littleton, CO · Huntsville · Sunnyvale · Littleton
Performs assignments in technical/engineering organizations (e.g., Electronics Engineering, Software Engineering, Facilities Engineering, Manufacturing Engineering) during vacations and…
Added 33 mins ago
Embedded Software Engineer Intern - Summer 2027
Lockheed Martin
Huntsville, AL · Sunnyvale, CA · Littleton, CO · Huntsville · Sunnyvale · Littleton
Performs assignments in technical/engineering organizations (e.g., Electronics Engineering, Software Engineering, Facilities Engineering, Manufacturing Engineering) during vacations and…
Added 34 mins ago
Project Engineer Sr Stf - E5
Lockheed Martin
Littleton, CO · Littleton
…of assigned responsibility. Plans and formulates engineering program; reviews product design for compliance with engineering principles, company standards, customer contract requirements,…
Added 34 mins ago
Mechanical Test Engineer-INTERN
Lockheed Martin
Cape Canaveral, FL · Cape Canaveral
Performs assignments in technical/engineering organizations (e.g., Electronics Engineering, Software Engineering, Facilities Engineering, Manufacturing Engineering) during vacations and…
Added 34 mins ago
Mechanical Test Engineer-INTERN
Lockheed Martin
Cape Canaveral, FL · Cape Canaveral
Performs assignments in technical/engineering organizations (e.g., Electronics Engineering, Software Engineering, Facilities Engineering, Manufacturing Engineering) during vacations and…
Added 34 mins ago
Field Sales Support Systems Engineer - E2
Lockheed Martin
Fort Worth, TX · Fort Worth
Experience/understanding with problem analysis and technical issue resolution
Added 34 mins ago
Field Sales Support Systems Engineer Asc - E1
Lockheed Martin
Fort Worth, TX · Fort Worth
Experience/understanding with problem analysis and technical issue resolution
Added 34 mins ago
Systems Engineer Sr Stf - Level 5
Lockheed Martin
Fairfax, VA · Fairfax
…to work through issues/blockers across the team. Support LMS Office of the Chief Engineer (OCE) activities (e.g. performance reporting, meetings, actions, program reviews, etc.) as needed.…
Added 34 mins ago
Field Sales Support Systems Engineer Sr - Level 3
Lockheed Martin
Fort Worth, TX · Fort Worth
You will be a Field Sales Support Systems Engineer Sr - Level 3.

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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