{"schemaVersion":"jobsearcher.job.v1","id":"3bc1a79e7bfa440f64765dfa","url":"https://jobsearcher.com/jobs/3bc1a79e7bfa440f64765dfa","canonicalUrl":"https://jobsearcher.com/jobs/3bc1a79e7bfa440f64765dfa","title":"Senior Linux Security Engineer","description":"Space is a warfighting domain. True Anomaly seeks those with the talent and ambition to build the technology that secures it.\r\nOUR MISSION\r\nTrue Anomaly delivers decisive capabilities for space superiority. We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors — enabling the U.S. and its Allies to secure the space environment and counter threats from the ultimate high ground.\r\nOUR VALUES\r\nBe the offset. We create asymmetric advantages with creativity and ingenuity.\r\nWhat would it take? We challenge assumptions to deliver ambitious results.\r\nIt's the people. Our team is our competitive advantage and we are better together.\r\nYOUR MISSION\r\nAs a Senior Enterprise Security Engineer, Linux, you will be joining a team focused on securing the foundations that allow True Anomaly to fulfill its mission. In this position, you will be responsible for defining and executing our enterprise Linux security strategy— from establishing centralized identity and access management across our Linux fleet to deploying configuration management at scale. You will work closely with infrastructure, IT, and engineering partners to ensure Linux is secured from the ground up while meeting compliance requirements. You will regularly be faced with answering the question \"How can we enable the business to operate on Linux with as little risk as necessary?\"\r\nAs part of True Anomaly's Enterprise Security team, you will have significant autonomy to design and own solutions for our most critical infrastructure. In one project you might be architecting a centralized identity solution for thousands of Linux hosts, while in another you might be codifying security baselines and enforcing them through configuration management pipelines. You will be joining a fast-paced, challenging environment where your decisions and expertise will have direct, lasting impact on our security posture.\r\nThis is an ideal role for a self-starter who thrives on ownership, wants to leave their mark on an organization, and is energized by building something meaningful from the ground up.\r\nThis position requires the ability to obtain and maintain a security clearance.\r\nResponsibilities\r\nLead enterprise Linux security strategy across on-prem, cloud, and manufacturing environments.\r\nArchitect and implement centralized Linux identity and access management, integrating with cloud native identity (e.g. Entra, Okta, Google)\r\nOwn and deploy configuration management tooling (e.g. Puppet, Salt, Fleet) to enforce security baselines consistently across the Linux fleet.\r\nDevelop, maintain, and enforce CIS Benchmark-aligned or STIG-based hardening standards for Linux systems.\r\nConduct regular security assessments, vulnerability scans, and risk assessments to identify and mitigate threats across Linux infrastructure.\r\nDesign and implement solutions for privileged access management, sudo policy enforcement, and host-based access controls.\r\nMonitor and analyze security logs, audit trails, and telemetry from Linux systems; integrate with SIEM platforms to detect and respond to threats.\r\nCollaborate with cross-functional teams to embed Linux security requirements into the system development lifecycle and infrastructure-as-code workflows.\r\nProactively identify gaps in the current Linux security program and drive remediation.\r\nAssist in the development and maintenance of security policies, procedures, and guidelines specific to Linux environments.\r\nProvide subject matter expertise and guidance to internal stakeholders on Linux security best practices and compliance requirements.\r\nStay current with the Linux threat landscape, kernel-level vulnerabilities, and emerging security tooling.\r\nSupport incident response and forensics across Linux environments.\r\nQualifications\r\nMinimum of 6 years of experience in information security, with a strong focus on Linux systems security engineering.\r\nDeep expertise in Linux internals, including kernel security mechanisms, namespaces, cgroups, SELinux/AppArmor, and PAM, as well as managing userspace.\r\nHands-on experience architecting and deploying centralized Linux identity solutions, ideally with integrating with cloud native identity.\r\nProven experience with configuration management tools such as Ansible, Puppet, Chef, or Salt at enterprise scale.\r\nStrong understanding of Linux security hardening, including CIS Benchmarks, STIGs, and audit framework configuration.\r\nExperience integrating Linux systems with SIEM platforms and building detection logic for Linux-based threats.\r\nWorking knowledge of at least one scripting or programming language such as Python, Bash, Go, or Rust.\r\nExcellent analytical, problem-solving, and communication skills.\r\nAbility to work independently and collaboratively in a fast-paced environment.\r\nExperience handling on-call duties and incident response in Linux environments.\r\nPreferred Qualifications\r\nAn ideal candidate will also have\r\nActive TS/SCI clearance or ability to obtain and maintain security clearance.\r\nBachelor's degree in Computer Science, Information Security, or equivalent professional experience.\r\nExperience securing Linux in manufacturing or operational technology (OT) environments.\r\nExperience with cloud-hosted Linux fleets across Azure, AWS, or Google Cloud.\r\nExperience with infrastructure-as-code paradigms, Terraform, GitOps, and CI/CD pipelines.\r\nFamiliarity with FedRAMP, CMMC, and NIST 800-53/800-171 frameworks and their application to Linux systems.\r\nExperience with privileged access management (PAM) tooling such as CyberArk, HashiCorp Vault, or similar.\r\nFamiliarity with eBPF-based security tooling and runtime threat detection.\r\nExperience working at a startup and/or in the defense industry.\r\nWork Environment\r\nCandidates must reside and be available for hybrid onsite work in our offices in Denver, CO, Long Beach, CA, or SF Bay Area, CA\r\nThis role operates in a fast-paced, high-stakes environment where rapid decision-making and adaptability are essential.\r\nOn-call rotation participation, including after-hours participation, is required in this role.\r\nMust be comfortable working under pressure during active security incidents.\r\nHigh degree of autonomy and ownership over the Linux security program.\r\nDirect access to leadership and opportunity to influence security strategy.\r\nCompensation\r\nBase Salary: Denver - $140,000 to $195,000, Long Beach - $145,000 to $205,000, SF Bay Area, CA - $160,000 to $225,000\r\nEquity + Benefits including Health, Dental, Vision, HRA/HSA options, PTO and paid holidays, 401K, Parental Leave\r\nYour actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, location, and experience.\r\nWhat We Offer\r\nCompetitive salary\r\nOpportunity to work on challenging, mission-critical security initiatives\r\nProfessional development and certification support\r\nCollaborative culture with experienced security professionals\r\nEquity + Benefits including Health, Dental, Vision, HRA/HSA options, PTO and paid holidays, 401K, Parental Leave\r\nTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.\r\nTrue Anomaly is committed to equal employment opportunity on any basis protected by applicable state and federal laws. If you have a disability or additional need that requires accommodation, please do not hesitate to let us know.\r\nJ-18808-Ljbffr","company":"Jobr","rawCompany":"jobr","city":"Long Beach","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-07-04T01:49:21.391Z","occupations":[{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1212.00","title":"Information Security Analysts","slug":"information-security-analysts"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Linux Security Engineer","description":"Space is a warfighting domain. True Anomaly seeks those with the talent and ambition to build the technology that secures it.\r\nOUR MISSION\r\nTrue Anomaly delivers decisive capabilities for space superiority. We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors — enabling the U.S. and its Allies to secure the space environment and counter threats from the ultimate high ground.\r\nOUR VALUES\r\nBe the offset. We create asymmetric advantages with creativity and ingenuity.\r\nWhat would it take? We challenge assumptions to deliver ambitious results.\r\nIt's the people. Our team is our competitive advantage and we are better together.\r\nYOUR MISSION\r\nAs a Senior Enterprise Security Engineer, Linux, you will be joining a team focused on securing the foundations that allow True Anomaly to fulfill its mission. In this position, you will be responsible for defining and executing our enterprise Linux security strategy— from establishing centralized identity and access management across our Linux fleet to deploying configuration management at scale. You will work closely with infrastructure, IT, and engineering partners to ensure Linux is secured from the ground up while meeting compliance requirements. You will regularly be faced with answering the question \"How can we enable the business to operate on Linux with as little risk as necessary?\"\r\nAs part of True Anomaly's Enterprise Security team, you will have significant autonomy to design and own solutions for our most critical infrastructure. In one project you might be architecting a centralized identity solution for thousands of Linux hosts, while in another you might be codifying security baselines and enforcing them through configuration management pipelines. You will be joining a fast-paced, challenging environment where your decisions and expertise will have direct, lasting impact on our security posture.\r\nThis is an ideal role for a self-starter who thrives on ownership, wants to leave their mark on an organization, and is energized by building something meaningful from the ground up.\r\nThis position requires the ability to obtain and maintain a security clearance.\r\nResponsibilities\r\nLead enterprise Linux security strategy across on-prem, cloud, and manufacturing environments.\r\nArchitect and implement centralized Linux identity and access management, integrating with cloud native identity (e.g. Entra, Okta, Google)\r\nOwn and deploy configuration management tooling (e.g. Puppet, Salt, Fleet) to enforce security baselines consistently across the Linux fleet.\r\nDevelop, maintain, and enforce CIS Benchmark-aligned or STIG-based hardening standards for Linux systems.\r\nConduct regular security assessments, vulnerability scans, and risk assessments to identify and mitigate threats across Linux infrastructure.\r\nDesign and implement solutions for privileged access management, sudo policy enforcement, and host-based access controls.\r\nMonitor and analyze security logs, audit trails, and telemetry from Linux systems; integrate with SIEM platforms to detect and respond to threats.\r\nCollaborate with cross-functional teams to embed Linux security requirements into the system development lifecycle and infrastructure-as-code workflows.\r\nProactively identify gaps in the current Linux security program and drive remediation.\r\nAssist in the development and maintenance of security policies, procedures, and guidelines specific to Linux environments.\r\nProvide subject matter expertise and guidance to internal stakeholders on Linux security best practices and compliance requirements.\r\nStay current with the Linux threat landscape, kernel-level vulnerabilities, and emerging security tooling.\r\nSupport incident response and forensics across Linux environments.\r\nQualifications\r\nMinimum of 6 years of experience in information security, with a strong focus on Linux systems security engineering.\r\nDeep expertise in Linux internals, including kernel security mechanisms, namespaces, cgroups, SELinux/AppArmor, and PAM, as well as managing userspace.\r\nHands-on experience architecting and deploying centralized Linux identity solutions, ideally with integrating with cloud native identity.\r\nProven experience with configuration management tools such as Ansible, Puppet, Chef, or Salt at enterprise scale.\r\nStrong understanding of Linux security hardening, including CIS Benchmarks, STIGs, and audit framework configuration.\r\nExperience integrating Linux systems with SIEM platforms and building detection logic for Linux-based threats.\r\nWorking knowledge of at least one scripting or programming language such as Python, Bash, Go, or Rust.\r\nExcellent analytical, problem-solving, and communication skills.\r\nAbility to work independently and collaboratively in a fast-paced environment.\r\nExperience handling on-call duties and incident response in Linux environments.\r\nPreferred Qualifications\r\nAn ideal candidate will also have\r\nActive TS/SCI clearance or ability to obtain and maintain security clearance.\r\nBachelor's degree in Computer Science, Information Security, or equivalent professional experience.\r\nExperience securing Linux in manufacturing or operational technology (OT) environments.\r\nExperience with cloud-hosted Linux fleets across Azure, AWS, or Google Cloud.\r\nExperience with infrastructure-as-code paradigms, Terraform, GitOps, and CI/CD pipelines.\r\nFamiliarity with FedRAMP, CMMC, and NIST 800-53/800-171 frameworks and their application to Linux systems.\r\nExperience with privileged access management (PAM) tooling such as CyberArk, HashiCorp Vault, or similar.\r\nFamiliarity with eBPF-based security tooling and runtime threat detection.\r\nExperience working at a startup and/or in the defense industry.\r\nWork Environment\r\nCandidates must reside and be available for hybrid onsite work in our offices in Denver, CO, Long Beach, CA, or SF Bay Area, CA\r\nThis role operates in a fast-paced, high-stakes environment where rapid decision-making and adaptability are essential.\r\nOn-call rotation participation, including after-hours participation, is required in this role.\r\nMust be comfortable working under pressure during active security incidents.\r\nHigh degree of autonomy and ownership over the Linux security program.\r\nDirect access to leadership and opportunity to influence security strategy.\r\nCompensation\r\nBase Salary: Denver - $140,000 to $195,000, Long Beach - $145,000 to $205,000, SF Bay Area, CA - $160,000 to $225,000\r\nEquity + Benefits including Health, Dental, Vision, HRA/HSA options, PTO and paid holidays, 401K, Parental Leave\r\nYour actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, location, and experience.\r\nWhat We Offer\r\nCompetitive salary\r\nOpportunity to work on challenging, mission-critical security initiatives\r\nProfessional development and certification support\r\nCollaborative culture with experienced security professionals\r\nEquity + Benefits including Health, Dental, Vision, HRA/HSA options, PTO and paid holidays, 401K, Parental Leave\r\nTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.\r\nTrue Anomaly is committed to equal employment opportunity on any basis protected by applicable state and federal laws. If you have a disability or additional need that requires accommodation, please do not hesitate to let us know.\r\nJ-18808-Ljbffr","datePosted":"2026-07-04T01:49:21.391Z","dateModified":"2026-07-04T01:49:21.391Z","hiringOrganization":{"@type":"Organization","name":"Jobr","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Long Beach","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"3bc1a79e7bfa440f64765dfa"},"url":"https://jobsearcher.com/jobs/3bc1a79e7bfa440f64765dfa"}}