Raytheon Technologies

Linux System Administrator (Onsite)

Raytheon Technologies$86K — $165K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • University degree in a related field with 5+ years of experience or an advanced degree with 3+ years of experience
  • Active U.S. citizenship required for security clearance
  • DoD SECRET security clearance required on day one
  • DOD 8570 IAT Level II certification or higher
  • Experience with applying DoD STIGs to RHEL and Ubuntu systems
  • Proven experience as a System Administrator in Windows, Red Hat Linux, and Ubuntu environments
  • Strong knowledge of network protocols and security best practices.

Responsibilities

  • Install and configure Windows, Red Hat Linux, and Ubuntu servers
  • Perform system updates, patches, and configure security settings
  • Monitor system performance for high availability
  • Manage user accounts and access controls
  • Implement RHEL security policies and manage software packages
  • Provide technical support and troubleshooting for users
  • Develop and implement backup and recovery strategies.

Benefits

  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan with employer matching and contribution
  • Tuition reimbursement program
  • Student loan repayment assistance
  • Life insurance and disability coverage
  • Optional coverages including pet insurance and critical illness insurance
  • Parental leave benefits and family planning support
  • Access to wellness rewards and counseling services
  • Virtual doctor visits and child/elder care services.
Full Job Description
Date Posted:
2026-05-12
Country:
United States of America
Location:
US-IA-CEDAR RAPIDS-136 ~ 855 35Th St NE ~ BLDG 136
Position Role Type:
Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance Type:
DoD Clearance: Secret
Security Clearance Status:
Active and existing security clearance required on day 1

Collins Aerospace is seeking a skilled System Administrator with extensive experience in Windows, Red Hat Linux, and Ubuntu operating systems. The ideal candidate will be responsible for managing, maintaining, and troubleshooting our IT infrastructure, ensuring optimal performance and security.

**This is an onsite position in Cedar Rapids, IA**

What YOU will do:

System Administration:
  • Install, configure, and maintain Windows, Red Hat Linux, and Ubuntu servers.
  • Perform regular system updates, patches, and security configurations.
  • Monitor system performance and ensure high availability and reliability.
  • Manage user accounts, permissions, and access controls.


Red Hat System Administration:
  • Install and configure Red Hat Enterprise Linux (RHEL) systems.
  • Manage software packages using YUM and RPM package management.
  • Implement and manage system security policies and SELinux.
  • Configure and troubleshoot network settings and services.
  • Perform system monitoring and logging using tools like Rsyslog.
  • Automate administrative tasks using shell scripting and Ansible.


Technical Support:
  • Provide technical support and troubleshooting for end-users and internal teams.
  • Respond to and resolve system-related incidents and service requests.
  • Collaborate with other IT teams to resolve complex issues.

Security and Compliance:
  • Implement and maintain security best practices for system administration.
  • Conduct regular security audits and vulnerability assessments IAW NIST 800-53.
  • Ensure compliance with IT policies and regulatory requirements.


Backup and Recovery:
  • Develop and implement backup and recovery strategies.
  • Perform regular data backups and ensure data integrity.
  • Test and validate disaster recovery procedures.


Documentation and Reporting:
  • Maintain accurate and up-to-date documentation of system configurations and procedures.
  • Generate regular reports on system performance, security, and compliance.

Qualifications YOU Must Have:
  • Typically requires a University Degree and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.
  • U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
  • DoD SECRET security clearance is required day one.
  • DOD 8570 IAT Level II or higher.
  • Extensive experience with applying DoD STIGs to RHEL and Ubuntu servers and workstations.
  • Proven experience as a System Administrator with expertise in Windows, Red Hat Linux, and Ubuntu.
  • Strong knowledge of network protocols, firewall management, and network security.


Qualifications We Prefer:
  • Experience with virtualization technologies (VMware, KVM).
  • Familiarity with configuration management tools.


What We Offer:

Some of our competitive benefits packages include:
  • 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 part of a new, exciting initiative to combine foundational IT with new digital technologies? Our Digital Technology team is driving business efficiencies and a better customer experience by connecting technologies, people, information and processes. From making aircraft more electric, intelligent and integrated to building new software platforms such as Internet of Things, big data, artificial intelligence, and blockchain, there's no better place to be right now than in digital. If you're an agile thinker who enjoys utilizing modern technology to make big improvements, then you're a perfect fit for this team. Join Collins Aerospace to help us revolutionize the aerospace industry today!

WE ARE REDEFINING AEROSPACE.

* Please consider the following role type definitions as you apply for this role.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world - and access to Collins sites when their work requires in-person meetings.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that's redefining aerospace, every day.

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 86,800 USD - 165,200 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.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

Stay Connected

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Prepare for Your Future

Ready to apply? Enhance your resume and prepare for your interview with our comprehensive support tools and resources. Discover the exciting and rewarding career opportunities that await at Raytheon Technologies.

SEARCH RAYTHEON TECHNOLOGIES JOBS

Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

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