Remote Linux Security Jobs in California (NOW HIRING)

Date Posted:
2026-06-23
Country:
United States of America
Location:
US-CA-SAN JOSE-826 ~ 200 Holger Way ~ BLDG 826, Ast
Position Role Type:
Remote
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance Type:
DoD Clearance: Top Secret
Security Clearance Status:
Active and existing security clearance required after day 1
At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.
Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.
At Applied Signal Technology (AST), the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. Our team solves tough, meaningful problems that create a safer, more secure world. AST is seeking a Sr. Principal DevOps Architect to join our team.
This is a REMOTE role at Applied Signal Technology (AST). To learn more about AST, click the following link >> Who We Are
What You Will Do:

• Collaborate with Cyber teams to maintain and monitor system availability, performance, and logs using enterprise tools.
• Leverage industry standards to build out automation workflows
• Travel up to 10% (domestic) to other RTX locations

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.
• Experience supporting engineers in software, simulations, and hardware development.
• Experience integrating and maintaining DevSecOps process using the following tools or similar: Atlassian Jira/Confluence, Gitlab, Cloudbees CI (Jenkins), JFrog Artifactory
• Knowledge of successfully implementing in-process automated testing to the CI/CD pipeline
• Experience with containerization technologies such as Docker, Podman, Kubernetes, Helm
• Strong foundation in Agile software development
• Familiarity with compliance with key U.S. government cybersecurity regulations and standards such as NIST 800-171, FIPS, and DFARS
• Cross-platform development, focusing on RHEL (CentOS / Rocky) 8+ and Windows
• Experience with artifact repositories (JFrog Artifactory, Sonatype Nexus, Pulp), supply chain security scanning (JFrog Xray), and secrets management
• Skilled in cloud deployment, virtualization, and Infrastructure as Code (IaC) automation using Terraform modules and Ansible playbooks
• Experience with scripting languages such as Python, Bash, Groovy, and Ruby
• Excellent written and oral communication skills and ability to work with engineers and leadership at every level
• Ability to work collaboratively within multi-disciplinary teams
• Ability to obtain and maintain a U.S. government issued Top Secret (TS) security clearance is required after start.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer:

• Linux OS Certificate (RHCSA / LPIC)
• Experience with Splunk/Zabbix
• Experience with High Performance Computing (HPC) Environments
• Scripting Experience (Bash, Python, Ansible) and Kickstart
• Hold professional certifications with a background in managing enterprise-grade virtualization and cloud infrastructure
• Experience leading and developing junior software engineers
• Experience interpreting Standards
• Experience working with bit-level data
• Experience and/or knowledge of network protocols, such as TCP/IP
• Experience with or basic understanding of telecommunications systems concepts and/or signal processing
• Existing active and transferable TS/SCI security clearance (within the last 24 months)

What We Offer

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• And More!

Learn More & Apply Now!
Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customers succeed today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.
Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:
Remote: Employees who are working in Remote roles will work primarily offsite (from home). If you live within a reasonable commute of an RTX site with other colleagues you interact with, your manager will discuss whether there is a degree of onsite presence associated with this role.
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.
Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.
Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.
This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.
RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.
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