Jobs in the United States

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Added 46 mins ago
Senior Solutions Engineer
DomainTools
Remote, United States
…DNS roots, and positioning our data at the center of where cybersecurity is heading in the age of…
Added 46 mins ago
Senior Product Marketing Manager
DomainTools
Remote, United States
…beyond our DNS roots, and positioning at the center of where cybersecurity is heading in the age of…
Added 46 mins ago
Senior Product Marketing Manager
DomainTools
Remote, United States
…beyond our DNS roots, and positioning at the center of where cybersecurity is heading in the age of…
Added 46 mins ago
Senior Product Marketing Manager
DomainTools
Remote, United States
…beyond our DNS roots, and positioning at the center of where cybersecurity is heading in the age of…
Added 46 mins ago
Senior Product Marketing Manager
DomainTools
Remote, United States
…beyond our DNS roots, and positioning at the center of where cybersecurity is heading in the age of…
Added 46 mins ago
Senior Product Marketing Manager
DomainTools
Remote, United States
…beyond our DNS roots, and positioning at the center of where cybersecurity is heading in the age of…
Added 1 hour ago
DN
AWS Cloud Data Engineer 3065-18
Delaware Nation Industries
Dahlgren, VA
- $150,000 to $170,000 USD / year
DNI is seeking a highly qualified Data Engineer to support the Joint Warfare Analysis Center (JWAC) under Air Force JWAC IT Services (JITS) Task Order 2. The Data Engineer will design,…
Added 1 hour ago
Senior Linux System Administrator - 306502
Delaware Nation Industries
Dahlgren, VA
Administer, engineer, optimize, and maintain enterprise Linux systems and services across multiple security levels and operational environments.
Added 1 hour ago
DN
Cybersecurity System Engineer-306341
Delaware Nation Industries
Alexandria, VA
- $140,000 to $145,000 USD / year
Systems Integration Engineer IV is responsible for the design, development, and implementation of security and monitoring technology solutions in support of a federal agency's…
Added 1 hour ago
DN
(Temporary Full Time) Senior Network Engineer - 303620
Delaware Nation Industries
Oklahoma City, OK
- $140,000 USD / year
- Full-time
Delaware Nation Investments/Emerging Technologies is seeking a highly qualified and motivated Network Engineer to join our team. We work with the Air Force Sustainment Center (AFSC) located…
Added 1 hour ago
DN
AWS Cloud Data Engineer 3065-19
Delaware Nation Industries
Dahlgren, VA
- $150,000 to $170,000 USD / year
DNI is seeking a highly qualified Data Engineer to support the Joint Warfare Analysis Center (JWAC) under Air Force JWAC IT Services (JITS) Task Order 2. The Data Engineer will design,…
Added 1 hour ago
TT
Founding Forward Deployed Engineer
True Talent Solutions Partners
California, CA
- $187,000 to $225,000 USD / year
Join an early-stage cybersecurity team building a platform to secure and control enterprise AI. As a Founding Forward Deployed Engineer, you will work closely with enterprise security and…
Added 2 hours ago
Managed IT Services Sales Executive for Small - Mid-Market
Delaney Computer Services, Inc.
Mahwah
…opportunities for managed IT services, managed network services, cybersecurity, Microsoft 365 management, help desk support, backup/business continuity, and other recurring…
Added 3 hours ago
Director, Federal Sales: Air Force and Space Force (Government)
AT&T
Columbia, MD
…advanced networking, mobility and 5G, edge, cloud connectivity, cybersecurity, AI-enabled operations, professional services, and managed…
Added 3 hours ago
Director, Federal Sales: Navy and Marine Corps (Government)
AT&T
Columbia, MD
…advanced networking, mobility and 5G, edge, cloud connectivity, cybersecurity, AI-enabled operations, professional services, and managed…
Added 3 hours ago
PKI Engineer, Senior
BOOZ, ALLEN & HAMILTON, INC.
Laurel, MD
You know that the user is the last frontier for cybersecurity. It's where the peri met er is drawn, and securing identities is pivotal in the fight against cybercriminals. As a PKI spe cia…
Added 3 hours ago
Graduate Development Program, Associate Technology Engineer, Technology Engineering
natgridProd
Marlboro, MA · Waltham, MA
…digital experience for employees? As an Associate Technology Engineer on the Technology Engineering team, you’ll help design, configure, test, and improve the technology employees use every…
Added 3 hours ago
Graduate Development Program, Associate Analyst, Technology Security
natgridProd
Brooklyn, NY · Syracuse, NY · Waltham, MA
This opportunity can also help you build toward future roles such as Cybersecurity Analyst, Threat Intelligence Analyst, Network Security Engineer, Security Automation Engineer, or other…
Added 3 hours ago
Graduate Development Program, Associate Technology Engineer, Technology Engineering
natgridProd
Northboro, MA
…systems that help keep the lights on? As an Associate Technology Engineer on the Technology Engineering team, you’ll support the applications that help National Grid monitor and manage the…
Added 4 hours ago
CyberArk Engineer Senior
SAIC
Washington, DC
SAIC is currently seeking a CyberArk Engineer Senior to support DOT. As a CyberArk Senior Systems Engineer, you'll play a key role in enhancing our cybersecurity and identity management…
Added 4 hours ago
Senior Cloud Security Engineer
Altera Corporation
San Jose, CA
The Senior Cloud Security Engineer is a hands-on technical lead responsible for designing, implementing, and improving security across the organization’s Microsoft Azure and Amazon Web…
Added 6 hours ago
AT
Infrastructure Server Engineer (Top Secret)
Apex Technology, Inc.
Los Angeles, CA
- $150,000 to $250,000 USD / year
The IT Engineer (Infrastructure Server Engineer) is responsible for the design, implementation, administration, and optimization of Apex’s technology infrastructure. This role encompasses…
Added 6 hours ago
AT
IT Engineer (Active Top Secret)
Apex Technology, Inc.
Los Angeles, CA
- $150,000 to $250,000 USD / year
The IT Engineer is responsible for the design, implementation, administration, and optimization of Apex’s technology infrastructure. This role encompasses systems engineering, network…
Added 6 hours ago
C
Senior DevSecOps Engineer
Credence
Remote, United States
- $150,000 to $180,000 USD / year
We have an immediate need for a highly skilled Senior-level DevSecOps Engineer to support federal programs hosted on AWS GovCloud. This role requires expertise in DevSecOps best practices,…
Added 6 hours ago
C
Test and Evaluation Engineer II - Data Analyst
Credence
Aberdeen Proving Ground, MD
- $110,000 to $150,000 USD / year
Credence has an immediate need for a self-motivated Test and Evaluation Engineer II to support the development, testing, analysis, and evaluation of Positioning, Navigation, and Timing…

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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