Multi-Systems Administrator (Onsite)

Overview

Applied Signal Technology, a company of innovators committed to building a safer, more secure world, seeks a Multi-Disciplined Systems Administrator to join our team in Digital Technology (DT) . This is an ONSITE position at our San Jose, CA location.

Location: CA827: 100 Headquarters Dr, San Jose, CA, 95134, USA. Date Posted: 2025-09-11. U.S. citizenship and an active, transferable U.S. government-issued security clearance (TS/SCI with Poly) are required prior to start date.

Role Type: Onsite.

Note: This role is intended for candidates eligible for a U.S. government security clearance and who meet the citizenship requirements.

What You Will Do

• Responsible for performing a full range of information technology functions in classified and unclassified spaces.
• Ensure that system hardware, operating systems, software, and related procedures adhere to organizational and security-based policies.
• Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity, including the integration of hardware, software and operating systems.
• Work with Cybersecurity professionals to maintain security requirements.
• Provide documentation and training on advanced IT processes, procedures and other tasks as assigned.
• Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment.
• Support infrastructure such as Cisco IOS and Network Appliance ONTAP.
• Build awareness for employees around Cyber Security and Compliance.
• Identify potential security risks in the organization and assist in risk mitigation.
• Support new security initiatives and projects within the organization.
• Be mentored by skilled professionals to build and grow your skills.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience.
• Typically requires 5 years of experience in one or more of the following: VMWare; Linux; Active IT Base Certifications; Centrify, Puppet, Lumension, Rapid7; Tenable Security Center, Nessus.
• Active and transferable U.S. government issued Top Secret SCI (TS/SCI) security clearance with polygraph is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Work independently, be self-motivated, and willing/able to learn through on-the-job training and documentation.
• Able to work within a team and foster teamwork and trust from both external and internal customers.
• Excellent written and verbal communication, analytical and problem-solving skills.
• Practical knowledge of project management.
• Practical to substantial knowledge of RTX projects, programs or systems with the ability to make enhancements and leverage in daily work.

What We Offer

• Medical, dental, and vision insurance
• Three weeks of vacation for new hires
• Generous 401(k) plan with employer matching and additional retirement contributions
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages (pet, home/auto, additional life and accidental insurance, critical illness, group legal, ID theft protection)
• Birth, adoption, parental leave benefits
• Ovia Health, fertility and family planning
• Adoption Assistance and Autism Benefit
• Employee Assistance Plan with counseling
• Wellness incentives and virtual care options
• Child and elder care services
• Relocation eligibility

Learn More & Apply Now

Click to learn more about Applied Signal Technology and to apply. This role is part of Collins Aerospace, with a mission to support civilian, military and government customers.

Role Type

Onsite

Salary

The salary range for this role is 90,000 USD - 182,000 USD. Salary offers consider experience, location, and other factors. RTX provides several benefits and incentives depending on the business unit and job level.

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 protected class.

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